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Journal articles on the topic 'Active inverter'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Iwаszkiewicz, Jаn, and Adam Muc. "The active filtering of the inverter output voltage by use of orthogonal vectors’ control strategy." Renewable Energy and Power Quality Journal 20 (September 2022): 817–21. http://dx.doi.org/10.24084/repqj20.446.

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he paper proposes a creative control method permitting to filter output voltage waveforms of the inverter. The main idea is based on the assumption that the total inverter output space vector is carefully chosen as a composition of two space vectors generated by 2 two-level inverters. The total built-up inverter is assembled of two standard three-phase inverters: a main inverter (MI) and an auxiliary one (AI) serving as an active filter. The output voltage space vector of the built-up inverter is composed of one or two space vectors generated by the respective inverters. The space vectors of t

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2

Muc, A., and J. Iwaszkiewicz. "Performance of an OVT inverter reliant on the switching frequency of the filtering inverter." Renewable Energy and Power Quality Journal 21, no. 1 (2023): 683–88. http://dx.doi.org/10.24084/repqj21.450.

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The paper presents an inverter based on the orthogonal space vectors theory (OVT inverter) and its performance. The OVT inverter consists of two constituent twolevel 3-phase inverters: the main inverter (MI) and the auxiliary one (AI). The MI is controlled in a simple way to generate the stepped output voltage and the AI works as an active filter limiting the higher harmonics in the OVT output voltage. The filtering process is formed by the use of the orthogonal space vector theory. The output voltage of the OVT inverter takes the shape of a stepped voltage comparable to the voltage generated

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3

Peng, Yuqi, Yuanbin He, and Lijun Hang. "Low-Loss Active Grid Impedance Cancellation in Grid-Connected Inverters with LCL Filter." Applied Sciences 9, no. 21 (2019): 4636. http://dx.doi.org/10.3390/app9214636.

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Distributed power inverters with inductive capacitive–inductive (LCL) filters have become popular in distributed power generation system. However, due to unknown grid impedance, the inverters are confronted with challenges of local filter resonance, poor power quality, and multiple interactive resonance. This paper proposes a low-loss active compensator that can counteract effects of the grid impedance on the current control performance of single-phase grid-connected inverter with an LCL filter. The compensator utilizes dual unit point-of-common-coupling voltage feedforward control mechanisms

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4

Chang, Chien-Hsuan, Chun-An Cheng, Hung-Liang Cheng, and Yen-Ting Wu. "An Active-Clamp Forward Inverter Featuring Soft Switching and Electrical Isolation." Applied Sciences 10, no. 12 (2020): 4220. http://dx.doi.org/10.3390/app10124220.

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Traditional photovoltaic (PV) grid-connection inverters with sinusoidal pulse-width modulation (SPWM) control suffer the problem of buck-typed conversion. Additional line-frequency transformers or boost converters are required to step-up output voltage, leading to low system efficiency and high circuit complexity. Therefore, many flyback inverters with electrical isolation have been proposed by adopting a flyback converter to generate a rectified sine wave, and then connecting with a bridge unfolder to control polarity. However, all energy of a flyback inverter must be temporarily stored in th

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Zhu, Jiaxiong, Zhigang Xiao, and Chang FENG. "Simulation of LLCL filter based on active damping weighted current control strategy." MATEC Web of Conferences 336 (2021): 01011. http://dx.doi.org/10.1051/matecconf/202133601011.

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Grid-connected inverters is the core component of distributed generation system, and the filter is the core component of the inverters. When the inverter works, the filter can effectively filter and suppress the high-frequency harmonics in the output current of the inverter side, so as to ensure the stability of the power grid and improve the working effect of the whole grid connected inverter system. The filter is a high order underdamped system, and the LLCL Filter also has a resonance peak. In this paper, a weighted current method based on active damping is used. In this method, the output

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6

Jia, Die, Jianwei Zhong, Yongchao Yang, Shidong Tian, and Wenli Zheng. "Research on Control Strategy of Grid-connected Inverter with Active Filter Function." Journal of Physics: Conference Series 2203, no. 1 (2022): 012073. http://dx.doi.org/10.1088/1742-6596/2203/1/012073.

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Abstract Grid-connected inverters incorporate distributed energy sources such as photovoltaics and wind energy into the micro-grid. Due to the volatility of distributed energy generation and the presence of a large number of non-linear loads in the micro-grid, harmonic wave seriously affect power quality. The grid-connected inverter with active filtering function is formed by adding the harmonic wave suppression function to the grid-tie inverter, which not only realizes the inverter grid connection but also achieves the purpose of harmonic wave compensation. The traditional model predictive co

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7

Foti, Salvatore, Antonio Testa, Salvatore De Caro, Tommaso Scimone, Giacomo Scelba, and Giuseppe Scarcella. "Multi-Level Open End Windings Multi-Motor Drives." Energies 12, no. 5 (2019): 861. http://dx.doi.org/10.3390/en12050861.

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A multi-level open-end winding converter topology for multiple-motor drives is presented featuring a main multi-level inverter processing the power delivered to the motors and an active filter based on an auxiliary two-level inverter. The main inverter operates at the fundamental frequency in order to achieve low switching power losses, while the active filter is Pulse Width Modulation (PWM) operated to suitably shape the motor currents. The proposed configuration features less phase current distortion than conventional multi-level inverters operating at the fundamental frequency, while achiev

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8

Sulong, Dome, and Chuttchaval Jeraputra. "A Grid Connected Flyback Inverter with a DC Active Filter for Photovoltaic Cells." Applied Mechanics and Materials 781 (August 2015): 406–9. http://dx.doi.org/10.4028/www.scientific.net/amm.781.406.

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This paper presents the design and control of a grid-connected flyback inverter with a DC active filter for photovoltaic (PV) cells. The proposed topology consists of a flyback DC-AC inverter and a DC active filter that can operate independently. The flyback inverter, controlled in digital peak current mode, regulates the full-wave rectified sinusoidal current later, which is alternately inverted and injected into the grid. The DC active filter regulates the smooth current/power drawn from a PV module by using cascaded proportional-integral (PI) controllers. Analysis, design and control of the

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9

Xiong, Yu, Yu Ling Li, Yan Ping Guo, and Bo Yang. "A Novel Three-Phase Current Source Active Power Filter." Applied Mechanics and Materials 667 (October 2014): 383–89. http://dx.doi.org/10.4028/www.scientific.net/amm.667.383.

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A novel topology for efficient utilization of parallel inverters as current source active power filter (APF) for high-power applications is presented and analyzed. The proposed technique operates the master inverter with high-power low-switching-frequency devices to compensate the low-order large-amplitude current harmonic components and the slave inverter with low-power high-switching-frequency devices to compensate the high-order small-amplitude current harmonic components. This paper discusses the operating principle, main circuit and control system design. Simulation and experimental resul

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Vijayakumar, Arun, Albert Alexander Stonier, Geno Peter, Praghash Kumaresan, and Elenor M. Reyes. "A Modified Seven-Level Inverter with Inverted Sine Wave Carrier for PWM Control." International Transactions on Electrical Energy Systems 2022 (July 21, 2022): 1–12. http://dx.doi.org/10.1155/2022/7403079.

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The conventional multilevel inverter necessitates more active switching devices and high dc-link voltages. To minimalize the employment of switching devices and dc-link voltages, a novel topology has been proposed. In this paper, a novel minimum switch multilevel inverter is established using six switches and two dc-link voltages in the proportion of 1 : 2. In addition, the proposed topology is proficient in making seven-level voltages by appropriate gate signals. The PWM signals were produced using several inverted sine carriers and a single trapezoidal reference. When compared to other exist

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11

Suhendar, Firmansyah Teguh, Maulana Alief, Zuldiag, and Dewanto Vektor. "Shunt Active Power Filter Based on P-Q Theory with Multilevel Inverters for Harmonic Current Compensation." TELKOMNIKA Telecommunication, Computing, Electronics and Control 15, no. 4 (2017): 1632–40. https://doi.org/10.12928/TELKOMNIKA.v15i4.6363.

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A shunt active power filter based on P-Q theory combined with high pass filters (HPFs) for harmonic-current compensation was proposed in this paper. A dual level H-bridge inverter (DLHI) and clamp diode multilevel inverter (CDMI) as inverters was used. The proposed active power filter was applied to 3-phase power system with 220V voltage and 50Hz frequency. the simulation model was constructed by using Simulink MATLAB. The results show that the proposed active power filter with CDMI produces lower total harmonic distortion (THD) than the active power filters with DLHI. Additionally, the propos

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12

Hou, Tianhao, Yunhao Jiang, and Zishuo Cai. "Study on the Resonance Characteristics and Active Damping Suppression Strategies of Multi-Inverter Grid-Connected Systems Under Weak Grid Conditions." Energies 17, no. 23 (2024): 5889. http://dx.doi.org/10.3390/en17235889.

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When a multi-inverter grid-connected system is influenced by the parasitic parameters of LCL-type inverters and the impedance of the connected system’s lines, its resonance characteristics become more complex and difficult to predict. For LCL-type multi-inverter grid-connected systems, a mathematical model that considers the effects of parasitic parameters and line impedance has been established, leading to the derivation of the system’s Norton equivalent circuit and a general expression for the inverter output current. The resonance characteristics of multi-inverter grid-connected systems com

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13

Tang, Yu, Xianmei Dong, and Yaohua He. "Active Buck–Boost Inverter." IEEE Transactions on Industrial Electronics 61, no. 9 (2014): 4691–97. http://dx.doi.org/10.1109/tie.2013.2293694.

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14

Tharuka Lulbadda, Kushan, and Udayanga Hemapala. "Use of solar PV inverters during night-time for voltage regulation and stability of the utility grid." Clean Energy 6, no. 4 (2022): 646–58. http://dx.doi.org/10.1093/ce/zkac042.

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Abstract Photovoltaic (PV) inverters are vital components for future smart grids. Although the popularity of PV-generator installations is high, their effective performance remains low. Certain inverters are designed to operate in volt-ampere reactive (VAR) mode during the night. Yet, this approach is ineffective due to the consumption of active power from the grid (as internal losses) and the regulation necessity of the direct-current (DC) bus. This paper will demonstrate the operation of a PV inverter in reactive power-injection mode when solar energy is unavailable. The primary focus is on

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15

Udhayakumar, G., Rashmi M R, K. Patel, G. P. Ramesh, and Suresh A. "Supply Power Factor Improvement in Ozone Generator System Using Active Power Factor Correction Converter." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 2 (2015): 326. http://dx.doi.org/10.11591/ijpeds.v6.i2.pp326-336.

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<p>Artificial Ozone Generating system needs High Voltage, High Frequency supply. The Ozonator distorts the supply currents and henceforth affect the supply power factor. This paper presents the performance comparison of PWM inverter to Power Factor Corrected (PFC) converter with PWM inverter based High-voltage High-frequency power supply for ozone generator system. The conventional inverter has front end bridge rectifier with smoothing capacitor. It draws non-sinusoidal current from ac mains; as a result input supply has more harmonics and poor power factor. Hence, there is a continuous

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16

Liu, Yuhan, and Haowen Zou. "Stability of LCL grid-connected inverter under weak current network." MATEC Web of Conferences 404 (2024): 02009. http://dx.doi.org/10.1051/matecconf/202440402009.

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With the development of energy generation technology, In today’s weak grid environment, the research on the stability of gridconnected inverters is becoming more and more important, whose main task is to improve grid-connected current. The paper concludes the widely-used control strategy of LCL grid-connected inverter, including adjusting inverter parameters, introducing a filter, voltage source admittance control strategy, and passive/active damping method. This paper compares the different effects of upgrading strategies of LCL inverters and recognizes their advantages and limits. For exampl

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17

Pasaribu, Faisal Irsan, Noorly Evalina, and Partaonan Harahap. "Inverator Starting Energy Saver Design For Electric Power Efficiency In Water Pumps." Journal of Electrical Technology UMY 5, no. 1 (2021): PRESS. http://dx.doi.org/10.18196/jet.v5i1.12096.

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The use of a Water Pump at the initial start is the use of electricity with a large capacity which sometimes faces various kinds of efficiency problems. These problems include an increase in current that occurs in the channel by improving the quality of electric power, especially in the electrical system in the area of the use of the Water Pump, which is expected to be able to improve the quality of electric power. The purpose of the research was to design an inverter starting energy saver as an effort to improve power quality for electricity savings, electric power efficiency in water pumps.

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18

Osorio, Fausto, María A. Mantilla, Juan M. Rey, and Johann F. Petit. "A Flexible Control Strategy for Multi-Functional PV Inverters with Load Compensation Capabilities Considering Current Limitations and Unbalanced Load Conditions." Energies 17, no. 17 (2024): 4218. http://dx.doi.org/10.3390/en17174218.

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Multi-functional photovoltaic (PV) inverters incorporate ancillary services to enhance power quality and mitigate stability issues in distribution networks. These next-generation PV inverters will achieve a higher utilization of the inverter’s rated capacity, improving the cost-effectiveness of PV technology. However, the power required to perform ancillary services, such as load compensation capabilities, could exceed the inverter’s capacity, risking the components’ integrity. Therefore, multi-functional control algorithms must limit the power capacity according to the system’s nominal curren

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19

Salem, Qusay, Rafat Aljarrah, Mazaher Karimi, and Ayman Al-Quraan. "Grid-Forming Inverter Control for Power Sharing in Microgrids Based on P/f and Q/V Droop Characteristics." Sustainability 15, no. 15 (2023): 11712. http://dx.doi.org/10.3390/su151511712.

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Grid-forming inverters are anticipated to be integrated more into future smart microgrids commencing the function of traditional power generators. The grid-forming inverter can generate a reference frequency and voltage itself without assistance from the main grid. This paper comprehensively investigates grid-forming inverter modelling and control methodology. A decentralized method employing an active power versus frequency P − f droop and a reactive power versus voltage Q − V droop is exploited to drive the operation of the grid-forming inverter. This decentralized method ensures balancing t

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20

Chang, Wen Yeau. "An Active Islanding Detection Method for Grid-Connected Renewable Energy Generation System." Applied Mechanics and Materials 479-480 (December 2013): 580–84. http://dx.doi.org/10.4028/www.scientific.net/amm.479-480.580.

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This study proposes an active islanding detection method for use of grid-connected inverter of renewable energy generation system (REGS). With a digital signal processor (DSP) integrated, the proposed method is capable of detecting the islanding fault of grid-connected inverters of REGS during the variable load conditions. To verify the effectiveness of the proposed method, the method was tested on a practical inverter of REGS, the field practical operations of the proposed method were studied in accordance with the conditions for the different loads and fault types. Test results are presented

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21

Muhammed, Hussein Baqir, Mohd Haziq Nor, and Izzri Abdul Wahab Noor. "Design of the inverter in high accuracy and development of work therein by using compound ligation." Eastern-European Journal of Enterprise Technologies 6, no. 5 (120) (2022): 29–41. https://doi.org/10.15587/1729-4061.2022.270314.

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A ligation (CL) system with a very high frequency in an inverter was used, it is a novelty in this study. We also employed a three-phase dynamic load (positive sequence voltage) to correct the power factor and account for active and reactive power in the output system this work is a novelty. The technique through compound ligation (CL) can improve inverter output waveform by reducing losses caused by ingrained agents in voltage source inverters (VSI), such as dead time caused by overload or voltage drop in an inverter's output, or abnormal load current conditions such as a short circuit cu

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Ebinyu, Emmanuel, Omar Abdel-Rahim, Diaa-Eldin A. Mansour, Masahito Shoyama, and Sobhy M. Abdelkader. "Grid-Forming Control: Advancements towards 100% Inverter-Based Grids—A Review." Energies 16, no. 22 (2023): 7579. http://dx.doi.org/10.3390/en16227579.

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Changes are being implemented in the electrical power grid to accommodate the increased penetration of renewable energy sources interfaced with grid-connected inverters. The grid-forming (GFM) control paradigm of inverters in active power grids has emerged as a technique through which to tackle the effects of the diminishing dominance of synchronous generators (SGs) and is preferred to the grid-following (GFL) control for providing system control and stability in converter-dominated grids. Therefore, the development of the GFM control is important as the grid advances towards 100% inverter-bas

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23

Sellakumar, S., and M. Vijayakumar. "T Source Inverter Based Shunt Active Filter with LCL Passive Filter for the 415V 50 Hz Distribution systems." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 2 (2015): 268. http://dx.doi.org/10.11591/ijpeds.v6.i2.pp268-273.

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The inverter topology is being used as an active filter to reduce the harmonics in the power system. The traditional voltage source or current source inverters are having the disadvantages of limited output voltage range hence it may not be able to supply enough compensating currents during heavy switching surges, Vulnerable to EMI noise and the devices gets damaged in either open or short circuit conditions and the main switching device of VSI and CSI are not interchangeable. The active filters are the type of DC-AC system with wide range of voltage regulation and integration of energy storag

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24

Baqir, Muhammed Hussein, Nor Mohd Haziq, and Noor Izzri Abdul Wahab. "Design of the inverter in high accuracy and development of work therein by using compound ligation." Eastern-European Journal of Enterprise Technologies 6, no. 5 (120) (2022): 29–41. http://dx.doi.org/10.15587/1729-4061.2022.270314.

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A ligation (CL) system with a very high frequency in an inverter was used, it is a novelty in this study. We also employed a three-phase dynamic load (positive sequence voltage) to correct the power factor and account for active and reactive power in the output system this work is a novelty. The technique through compound ligation (CL) can improve inverter output waveform by reducing losses caused by ingrained agents in voltage source inverters (VSI), such as dead time caused by overload or voltage drop in an inverter's output, or abnormal load current conditions such as a short circuit curren

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25

Toro, Vladimir, Eder David Baron, and Eduardo Mojica-Nava. "Optimized Hierarchical Control for an AC Microgrid Under Attack." Ingeniería 24, no. 1 (2019): 64–82. http://dx.doi.org/10.14483/23448393.13760.

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Context: An inverter-based microgrid working in islanded mode can suffer cyber- attacks, these can be done against either the local controller or the communication links among the inverters. Secondary control is able to reject those attacks, however, a tertiary control action is necessary in order to stabilize the power flow among the microgrid. Method: Confidence factor technique allows to reject attacks in a microgrid acting directly over the secondary control, however, this technique omits other factor related to the power available. In this case, secondary control was complemented wi

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26

Odeh, Charles, Arkadiusz Lewicki, Marcin Morawiec, and Andrzej Jąderko. "Enhanced Four-Level Active Nested Neutral Point-Clamped Inverter." Energies 17, no. 13 (2024): 3213. http://dx.doi.org/10.3390/en17133213.

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The classical four-level nested neutral point-clamped (4L NNPC) inverter-leg is a hybrid of the flying-capacitor and diode-clamped 4L-inverter-leg configurations. Though uniform reduced voltage stress (1/3 of input voltage) on constituting switches is evident in the 4L NNPC inverter-leg, trails of the drawbacks of the diode-clamping concept still exist. With the significantly rated off-the-shelf IGBT switch modules (6.5 kV, 1200 A), chances of deployment of the newly evolved Four-Level Nested T-Type inverter (4L NTTI) in certain applications is high. Compared with the classical 4L NNPC inverte

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27

Zubiaga, Markel, Alain Sanchez-Ruiz, Eneko Olea, Eneko Unamuno, Aitor Bilbao, and Joseba Arza. "Power Capability Boundaries for an Inverter Providing Multiple Grid Support Services." Energies 13, no. 17 (2020): 4314. http://dx.doi.org/10.3390/en13174314.

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It is getting more common every day to install inverters that offer several grid support services in parallel. As these services are provided, a simultaneous need arises to know the combined limit of the inverter for those services. In the present paper, operational limits are addressed based on a utility scale for a real inverter scenario with an energy storage system (ESS) (1.5 MW). The paper begins by explaining how active and reactive power limits are calculated, illustrating the PQ maps depending on the converter rated current and voltage. Then, the effect of the negative sequence injecti

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Osaloni, Oluwafunso Oluwole, and Akshay Kumar Saha. "Voltage Dip/Swell Mitigation and Imaginary Power Compensation in Low Voltage Distribution Utilizing Improved Unified Power Quality Conditioner (I-UPQC)." International Journal of Engineering Research in Africa 49 (June 2020): 84–103. http://dx.doi.org/10.4028/www.scientific.net/jera.49.84.

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The main purpose of this work is to introduced power quality improvement in low voltage distribution networks with the application of Improved Unified Power Quality Conditioner (I-UPQC). Ordinarily, in the normal UPQC, the series inverter handles active injection while the shunt inverter provides load imaginary power injection. However, in the case of I-UPQC, the series inverter of the UPQC performs two functions concurrently as a sag and swell compensator and assists the shunt inverter in load reactive power requirements. The reactive power sharing is achieved by the integration of the Power

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29

Rosero, Carlos Xavier, Milton Gavilánez, and Cosme Mejía-Echeverría. "Droop-Free Sliding-Mode Control for Active-Power Sharing and Frequency Regulation in Inverter-Based Islanded Microgrids." Energies 16, no. 18 (2023): 6442. http://dx.doi.org/10.3390/en16186442.

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This paper introduces a simple decentralized sliding-mode (SM) approach to control active power sharing by regulating the local frequency in inverter-based islanded microgrids (MGs). Its sliding surface arises from the frequency correction term introduced in the droop-free technique; it relates local active power to neighboring MGs’ active power by considering available communications among voltage source inverters. Then, this schema allows one to avoid hierarchical control just as the droop-free method does, and the benefits associated are twofold. First, it reduces the steady-state frequency

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Li, Shengnan, Yun Hu, Xin He, et al. "Fault Condition Testing of Photovoltaic Inverter Controller Based on Active Support Technology using Hardware-In-the-Loop in RTDS." Journal of Physics: Conference Series 2774, no. 1 (2024): 012054. http://dx.doi.org/10.1088/1742-6596/2774/1/012054.

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Abstract Photovoltaic power generation is an important component of sustainable power generation and has been widely utilized. Grid connected inverters are key equipment in photovoltaic integrated systems, which directly affect the stability of the system. In this paper, the transient model of photovoltaic inverter controller based on active support technology is derived. The transient mathematical model and corresponding self-closing loop control strategy are analyzed. Based on the RTDS, a hardware controller semi-physical simulation platform is established to simulate and test photovoltaic i

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Memon, Abdul Jabbar, Mukhtiar Ahmed Mahar, Abdul Sattar Larik, and Muhammad Mujtaba Shaikh. "A Comprehensive Review of Reduced Device Count Multilevel Inverters for PV Systems." Energies 16, no. 15 (2023): 5638. http://dx.doi.org/10.3390/en16155638.

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This article presents a comprehensive review of reduced device count multilevel inverter (RDC MLI) topologies for PV systems. Multilevel inverters are widely used in medium-voltage and high-power applications such as wireless power transform applications, flexible AC transmission (FACT), active filters, AC motor drives, high-voltage DC transmission (HVDC), and renewable energy sources due to their high modularity and high-power quality output. Multilevel inverters have the ability to diminish the harmonics content in the output voltage by applying various modulation techniques. The literature

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Michalczuk, Marek, Marcin Nikoniuk, and Paweł Radziszewski. "Multi-Inverter Linear Motor Based Vehicle Propulsion System for a Small Cargo Transportation." Energies 14, no. 15 (2021): 4459. http://dx.doi.org/10.3390/en14154459.

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The paper provides an analysis of a transportation system with a long stator linear drive. The presented analysis for an in-house transportation system may be easily scaled into large transportation systems like maglev and hyperloop. It investigates the impact of the division of the stator into shorter parts which are sequentially supplied. Then it compares the concept of single-inverter and multi-inverter drive systems. The presented research includes the analysis of drive system power parameters. The drive system characteristics depending on the length of the active part of the linear motor

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Almeida, Dilini, Jagadeesh Pasupuleti, Janaka Ekanayake, and Eshan Karunarathne. "Mitigation of overvoltage due to high penetration of solar photovoltaics using smart inverters volt/var control." Indonesian Journal of Electrical Engineering and Computer Science 19, no. 3 (2020): 1259. http://dx.doi.org/10.11591/ijeecs.v19.i3.pp1259-1266.

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The modern photovoltaic (PV) inverters are embedded with smart control capabilities such as Volt/Var and Volt/Watt functions to mitigate overvoltage issues. The Volt/Var control has gained a significant attention in regulating grid voltage through reactive power compensation. However, the reactive power capability of a PV inverter is limited during peak irradiance and could be improved by curtailing the active power generation and by oversizing the PV inverter. This paper analyzes the performance of Volt/Var function of smart PV inverters in mitigating overvoltage issues due to high PV integra

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Dilini, Almeida, Pasupuleti Jagadeesh, Ekanayake Janaka, and Karunarathne Eshan. "Mitigation of overvoltage due to high penetration of solar photovoltaics using smart inverters volt/var control." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 19, no. 3 (2020): 1259–66. https://doi.org/10.11591/ijeecs.v19.i3.pp1259-1266.

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The modern photovoltaic (PV) inverters are embedded with smart control capabilities such as Volt/Var and Volt/Watt functions to mitigate overvoltage issues. The Volt/Var control has gained a significant attention in regulating grid voltage through reactive power compensation. However, the reactive power capability of a PV inverter is limited during peak irradiance and could be improved by curtailing the active power generation and by oversizing the PV inverter. This paper analyzes the performance of Volt/Var function of smart PV inverters in mitigating overvoltage issues due to high PV integra

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35

Chang, Feng Jun, Hong Quan Ma, Chang Cui, and Jing Zhang. "Photovoltaic Inverter Output Current Research of Adaptive Active Harmonic Compensation Device." Advanced Materials Research 989-994 (July 2014): 1173–76. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.1173.

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With the continuous improvement of photovoltaic power generation technology, people has higher requirement on the performance of the photovoltaic inverter. Currently, PV Inverter Grid process of the home and abroad, because the inverter put DC power into AC power frequency electric use the inverter principle and PWM control technology inevitably produce harmonics problems at the sine wave inverter formed. According to this kind of harmonic interference problem, the adaptive in-place active harmonic compensation technology were proposed, this effectively suppress the harmonic pollution to power

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Qi, Xiaojing, and Jianyong Zheng. "VSG Control for Cascaded Three-Phase Bridge Based Battery Inverter." World Electric Vehicle Journal 14, no. 8 (2023): 203. http://dx.doi.org/10.3390/wevj14080203.

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With the increasing number of new energy sources connected to the grid, the unbalanced output of three-phase grid-connected inverters and the lack of no inertia and damping characteristics in the traditional microgrid control system will seriously affect the stability of voltage, frequency, and power angle for microgrids. This paper proposes a novel cascaded three-phase bridge inverter topology for the battery system used for the electric vehicle. Compared with traditional cascaded H-bridge inverters, the proposed multilevel inverter can achieve self-adaptive balance for three phases. The math

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Muc, Adam, and Jan Iwaszkiewicz. "Active Filtering of Inverter Output Waveforms Based on Orthogonal Space Vector Theory." Energies 15, no. 21 (2022): 7861. http://dx.doi.org/10.3390/en15217861.

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This paper presents a DC/AC converter consisting of two two-level inverters. The complex converter is built using two standard three-phase inverters: the main inverter (MI) and the auxiliary one (AI). The MI is controlled in a simple way to generate the stepped output voltage and the AI works as an active filter limiting the higher harmonics in the MI output voltage. The filtering process is based on the orthogonal space vector theory. A development and modification of the basic solution are presented here. The output voltage of the MI takes the shape of a stepped voltage comparable to the vol

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Mecke, R. "Multilevel inverter with active clamping diodes for energy efficiency improvement." Renewable Energy and Power Quality Journal 20 (September 2022): 138–42. http://dx.doi.org/10.24084/repqj20.245.

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Multilevel inverters can replace commonly used two-level inverters for three-phase electrical drives. In this lowvoltage range new wide-bandgap power switches (SiC MOSFET, GaN FET) are available. In the four-, five- and sevenlevel inverters, the majority of the power losses are caused by the threshold voltage of the clamping diodes. The new idea is the replacement of the clamping diodes by active switches, since they only have low on-resistance in the forward direction. In this case freewheeling paths of the clamping diodes would have to be actively switched. However, the control signals for t

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Zhang, Shao Ru, and Shao Yuan Li. "A Reference Compensation Current Control of Grid-Connected Inverter for Three-Phase Distributed Generators." Applied Mechanics and Materials 433-435 (October 2013): 1183–87. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.1183.

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Renewable energy resources (RES) are being increasingly connected in distribution systems by utilizing power electronic converters. However, the extensive use of power electronics has resulted in a rise in power quality (PQ) concerns faced by the utility. A novel control strategy implementing reference compensation current was proposed in this paper. So that these grid-connected inverters can achieve maximum benefits when they installed in 3-phase 4-wire distribution systems. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. Th

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Dietz, Daniel, and Andreas Binder. "Bearingless PM-synchronous machine with axial active magnetic bearing fed by zero-sequence current." e & i Elektrotechnik und Informationstechnik 138, no. 2 (2021): 62–69. http://dx.doi.org/10.1007/s00502-021-00867-4.

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AbstractA novel inverter supply for bearingless PM-synchronous motors with magnetic suspension allows the reduction of the number of power electronic switches. Hence, all six motional degrees of freedom of bearingless AC machines may be controlled via 3-phase inverter topologies. In this paper, instead of a bearingless motor consisting of two half motors, one bearingless motor with an additional radial active magnetic bearing is treated. Bearingless machines with cylindrical rotors in contrast to double cone rotors generate – apart from the electromagnetic torque – only radial magnetic forces.

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Hamza, Amar, Sara Altahir, and Xiangwu Yan. "Synchronverter Control for Parallel Operation of Cascaded H-Bridge Inverter." Indonesian Journal of Electrical Engineering and Computer Science 2, no. 1 (2016): 107. http://dx.doi.org/10.11591/ijeecs.v2.i1.pp107-114.

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<p>A 21-levels cascaded H-bridge multilevel inverter topology based on three-phase voltage source inverter has been proposed as a superior replacement for conventional two-level in high voltage applications. In this work we have presented the usage of the new technique called virtual synchronous generator based synchronverter model to operate the multilevel inverter as synchronous generator, and to share active and reactive power automatically in case of parallel operated inverters of the same type. Carrier-based PWM is used to control each phase leg of the cascaded H-bridge multilevel i

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Ali, Ali Riyadh, Rakan Khalil Antar, and Abdul Ghani Abdulrazzaq Abdulghafoor. "Harmonics mitigation technique for asymmetrical multilevel inverter fed by photovoltaic sources." Bulletin of Electrical Engineering and Informatics 13, no. 2 (2024): 865–73. http://dx.doi.org/10.11591/eei.v13i2.6607.

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A multilevel inverter is an electrical device that converts a DC voltage into a higher AC voltage by generating a stepped waveform with several voltage levels. Unlike traditional inverters that produce a square wave or a pulse-width modulated (PWM) waveform with only two voltage levels, multilevel inverters can generate waveforms with three or more levels, resulting in reduced harmonic distortion, improved efficiency, and decreased electromagnetic interference. The design and control of multilevel inverters are active research areas that aim to enhance their performance, reliability, and scala

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Barrero-González, Fermín, Carlos Roncero-Clemente, María Isabel Milanés-Montero, Eva González-Romera, Enrique Romero-Cadaval, and Oleksandr Husev. "Quasi-Z Source T-Type Power Converter for PV Based Commercial and Industrial Nanogrids with Active Functions Strategy." Electronics 9, no. 8 (2020): 1233. http://dx.doi.org/10.3390/electronics9081233.

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Since most power electronics used in photovoltaic (PV) inverters at commercial and industrial facilities exhibit behavior as non-linear loads from the grid side, these high-power demand installations are expected to have a major impact on the network’s power quality. In an attempt to facilitate their integration into the distribution grid, this paper presents a comprehensive control strategy for Quasi-Z Source T-Type PV inverters inside a facility, which performs active and reactive power control, and harmonic and imbalance compensation at expenses of the spare inverter power capacity. Unlike

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Darwish, M. K. "Single-chip inverter for active filters." Electronics Letters 38, no. 20 (2002): 1159. http://dx.doi.org/10.1049/el:20020814.

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Gao, Yingqi, Zhixiang Li, and Feiyang Sun. "Comparative Analysis of Grid-Connected Inverter for Photovoltaic Generation." Applied and Computational Engineering 127, no. 1 (2025): 50–58. https://doi.org/10.54254/2755-2721/2025.20244.

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The global energy mix is currently facing a major transformation, with the non-renewability of traditional fossil energy sources such as coal, oil and natural gas and environmental pollution becoming increasingly prominent. This paper presents an in-depth comparison between different grid-connected photovoltaic (PV) inverters, focusing on the performance, cost-effectiveness, and applicability of these two inverter technologies in PV grid-connected applications. These inverters are highly adaptable to dynamic grid conditions and provide significant harmonic suppression, but the relatively high

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Yong, Swee Xiang, Yap Hoon, Hou Kit Mun, and Foo Wah Low. "Fuzzy-based voltage balancing technique for better operation of Multilevel Inverter in Harmonics Mitigation." Journal of Physics: Conference Series 2923, no. 1 (2024): 012001. https://doi.org/10.1088/1742-6596/2923/1/012001.

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Abstract The deployment of renewable energy sources, particularly in grid-connected inverters, necessitates efficient power electronics converters to ensure seamless integration in distributed generation (DG) systems. However, challenges such as power quality issues, specifically harmonics induced by non-linear loads, persist in these systems, necessitating innovative solutions. This paper proposes the implementation of a Multilevel Inverter-based Active Power Filter (MI-APF) to enhance harmonic filtering capabilities and address power quality issues. Despite its potential, MI-APF faces voltag

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Kumar, Raja Sathish, Y. V. Balarama Krishna Rao, and Venkata Koteswara Rao N. "Grid-connected Systems Powered by Solar Energy Implemented with Fuzzy based Voltage Source Converters." WSEAS TRANSACTIONS ON POWER SYSTEMS 19 (March 12, 2024): 62–67. http://dx.doi.org/10.37394/232016.2024.19.8.

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Solar energy systems connected to the electrical grid are known as grid-tied solar power systems or solar power-connected grid systems. Grid-tied solar inverters are only capable of producing active electricity since they are made to produce power at a unity power factor. The grid alone can meet the load’s requirement for reactive power. Reactive power drawn from the grid relative to active power has increased significantly with the sharp rise in the deployment of distributed energy resources based on renewable energy. This has an impact on the grid’s power quality. The amount of reactive powe

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El-Alami, Adnane, Radouane Majdoul, and Abdelhafid Ait Elmahjoub. "A novel eight-switch nine-level modified ANPC inverter topology and its optimal modulation strategy." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 4 (2024): 2234. http://dx.doi.org/10.11591/ijpeds.v15.i4.pp2234-2242.

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An eight-switch nine-level modified ANPC inverter (8S-9L-MANPC) is designed and simulated in this paper. With this topology, only one DC voltage source and eight active semiconductor switches are required, significantly reducing system size, weight, and cost. The structure consists of a five-level ANPC inverter cascaded with a two-level leg converter. This arrangement extends the 5L-ANPC structure to a 9L configuration without requiring the use of additional capacitors. To maintain the balancing of the flying capacitor (FC), a modulation strategy using a switching state redundancy-based contro

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El-Alami, Adnane, Radouane Majdoul, and Abdelhafid Ait Elmahjoub. "A novel eight-switch nine-level modified ANPC inverter topology and its optimal modulation strategy." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 4 (2024): 2234–42. https://doi.org/10.11591/ijpeds.v15.i4.pp2234-2242.

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An eight-switch nine-level modified ANPC inverter (8S-9L-MANPC) is designed and simulated in this paper. With this topology, only one DC voltage source and eight active semiconductor switches are required, significantly reducing system size, weight, and cost. The structure consists of a five-level ANPC inverter cascaded with a two-level leg converter. This arrangement extends the 5L-ANPC structure to a 9L configuration without requiring the use of additional capacitors. To maintain the balancing of the flying capacitor (FC), a modulation strategy using a switching state redundancy-based contro

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Wu, Mingkang, Min Cheng, Jiawei Yu, Yayao Zhang, Yuanfu Zhu, and Yihua Zhu. "Multi-Inverter Synchronization and Dynamic Power Allocation via Distributed Communication for PV Station Rapid Power Control to Enhance Power System Stability." Energies 18, no. 12 (2025): 3065. https://doi.org/10.3390/en18123065.

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There is increasing penetration of photovoltaic (PV) systems into modern power grids; however, existing centralized communication architectures for PV stations often suffer from high latency and poor scalability, and the synchronization and coordinated control of multi-inverter clusters at millisecond timescales remain unresolved challenges. Hence, this paper proposes a distributed communication-based framework integrating multi-inverter synchronization and dynamic power allocation for rapid power regulation in PV stations. The architecture employs decentralized control logic to achieve the re

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