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Journal articles on the topic 'Control DC link'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Alharbi, Mohammed. "Control Approach of Grid-Connected PV Inverter under Unbalanced Grid Conditions." Processes 12, no. 1 (2024): 212. http://dx.doi.org/10.3390/pr12010212.

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In grid-connected photovoltaic (PV) systems, power quality and voltage control are necessary, particularly under unbalanced grid conditions. These conditions frequently lead to double-line frequency power oscillations, which worsen Direct Current (DC)-link voltage ripples and stress DC-link capacitors. The well-known dq frame vector control technique, which is effective under normal conditions, struggles with oscillatory component management in unbalanced grid conditions. To address this issue, this paper presents an advanced control approach designed for grid-connected PV inverters. The propo

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2

Habibullah, Al Faris, Faris Adnan Padhilah, and Kyeong-Hwa Kim. "Decentralized Control of DC Microgrid Based on Droop and Voltage Controls with Electricity Price Consideration." Sustainability 13, no. 20 (2021): 11398. http://dx.doi.org/10.3390/su132011398.

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In this paper, a power flow control strategy (PFCS) for the decentralized control of DC microgrids (DCMGs) is proposed to enhance the flexibility and scalability of the microgrid power system. The proposed scheme is achieved by combining the droop control and DC-link voltage control with the consideration of the electricity price condition. Generally, the droop control method can be used effectively in decentralized DCMGs to achieve power-sharing without additional communication links. However, the deviation of the DC-link voltage caused by the droop control affects the amount of power deliver

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Wang, Haifeng, and Haili Zhang. "An Adaptive Control Strategy for a Low-Ripple Boost Converter in BLDC Motor Speed Control." Power Electronics and Drives 6, no. 1 (2021): 242–59. http://dx.doi.org/10.2478/pead-2021-0019.

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Abstract Conventional boost converters are widely used for connecting low-voltage power sources and inverters in motor control. However, a large filter capacitor bank is often used to reduce DC-link ripples that occur when an inverter is connected to a boost converter. Otherwise, significant voltage and current perturbations can impact on battery performance degradation and cause torque ripple, speed ripple and vibration in brushless DC (BLDC) motors. To suppress the converter’s DC-link ripple, this paper proposes a new control strategy for boost converter controller to generate low-ripple DC-

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Ko, Park, and Lee. "Regenerative Battery Charging Control Method for PMSM Drive without a DC/DC Converter." Electronics 8, no. 10 (2019): 1126. http://dx.doi.org/10.3390/electronics8101126.

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This paper illustrates regenerative battery charging control method of the permanent magnet synchronous motor (PMSM) drive without DC/DC converter. Conventional control methods for battery current and voltage control methods generally use a bidirectional DC/DC converter for regenerative control. The reason to use this DC/DC converter is the DC-Link current ripple of the inverter of is affected by switching of the inverter and the motor speed. This problem causes to use a low pass filter (LPF) for sensing the DC-link current, however, it occurs deteriorating the control performance. In this pap

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Wook-Jin Lee and Seung-Ki Sul. "DC-Link Voltage Stabilization for Reduced DC-Link Capacitor Inverter." IEEE Transactions on Industry Applications 50, no. 1 (2014): 404–14. http://dx.doi.org/10.1109/tia.2013.2268733.

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Hao, Ke Peng, and Hong Mei Li. "Open-Circuit Fault Diagnosis and Fault-Tolerant Control of IPMSM System." Applied Mechanics and Materials 416-417 (September 2013): 658–69. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.658.

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The integrated mathematical model of an interior permanent magnet synchronous machine (IPMSM) system is set up suitable for healthy state, open-circuit fault state and fault-tolerant state in this paper. An on-line open-circuit fault diagnosis method is proposed, the fault-tolerant structure is set to connect the fault phase to the middle of DC link, considering that DC link voltage is not balanced, therefore, an optimized adaptive space vector pulse width SVPWM of four-switch three-phase inverters (FSTPI) under DC-link voltage ripple condition is presented to achieve the maximum torque per am

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7

Wang, Yu, Yuewu Wang, Si-Zhe Chen, Guidong Zhang, and Yun Zhang. "A Simplified Minimum DC-Link Voltage Control Strategy for Shunt Active Power Filters." Energies 11, no. 9 (2018): 2407. http://dx.doi.org/10.3390/en11092407.

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The active power filter (APF) is a popular electrical device to eliminate harmonics in power systems. The rational design and effective control of DC-link capacitor voltage are important for implementing APF functions. In this study, the influences from the DC-link voltage on the APF compensating current characteristic and compensation performance are analyzed, and the reason to maintain DC-link voltage at a minimum value is investigated. On this basis, a simplified minimum DC-link voltage control strategy for APF is proposed. Compared with the existing DC-link voltage control strategies, the

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Eltamaly, Ali M., and Zeyad A. Almutairi. "Synergistic Coordination Between PWM Inverters and DC-DC Converters for Power Quality Improvement of Three-Phase Grid-Connected PV Systems." Sustainability 17, no. 8 (2025): 3748. https://doi.org/10.3390/su17083748.

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Grid-connected photovoltaic (PV) systems require a power converter to extract maximum power and deliver high-quality electricity to the grid. Traditional control methods, such as proportional-integral (PI) control for DC-link voltage regulation, often struggle under abnormal operating conditions, resulting in voltage fluctuations and instability in the maximum power point tracker (MPPT). This paper proposes a synergistic control strategy that combines a musical chairs algorithm (MCA) MPPT with sliding mode control (SMC) together for the boost converter DC-link control. This approach enhances D

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9

Suman, Satyam. "Design and Modeling of a DC-Link Capacitor Droop Controller for a PV System: A Comprehensive Review." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 06 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem36114.

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This paper presents an in-depth review of the design and modeling of a DC-link capacitor droop controller for photovoltaic (PV) systems. The DC-link capacitor droop controller plays a crucial role in stabilising the DC-link voltage, managing power fluctuations, and ensuring reliable operation of grid-connected PV systems. This review covers the fundamental principles of droop control, the architecture of PV systems, the role of DC-link capacitors, and the detailed design process of the droop controller. Additionally, we explore various control strategies, simulation methods, practical implemen

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Jalluri, Srinivasa Rao, Ramesh Babu Veligatla, Ranjit Mahamkali, and Purushothama Raghavendra Reddy Gogireddy. "Simulation of solar PV system by FLC based bidirectional DC-DC converter for DC loads." E3S Web of Conferences 309 (2021): 01124. http://dx.doi.org/10.1051/e3sconf/202130901124.

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Solar energy is among the abundant forms of energy, it is very important to make the best use of it. But intermittent nature of solar energy makes PV generation unreliable at times. The use of a battery as an energy storage device can help to mitigate this problem to some extent. A Bidirectional DC-DC converter must be used to connect the battery to the DC link in order to maintain a steady voltage. DC link then connected to a load. In this paper, P&O MPPT technique used to get maximum power from PV array. Fuzzy logic control is used for the effective control of Bidirectional DC-DC convert

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11

Verma, Amit, Prabhakar Tiwari, and Desh Deepak Sharma. "Combination of Evolutionary Algorithms and Direct Search Approaches for Improving the Dynamic Performance of Grid Connected Solar Power System." Engineering technologies and systems 35, no. 2 (2025): 333–54. https://doi.org/10.15507/2658-4123.035.202502.333-354.

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Introduction. The Grid Connected Photovoltaic System comprises two fundamental control loops: an external loop responsible for overseeing the DC link voltage, and an internal control loop that regulates the inverter current. The primary element of any control loop is the proportional-integral controller and determining the appropriate gains for this controller is a difficult issue.Aim of the Study. The study aimed to adjust the gains of the PI controllers in both static and dynamic irradiance scenarios for improving DC-link voltage by novel hybrid optimization method named Genetic Algorithm- S

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Xu, Yu, Anton Kersten, Simon Klacar, and David Sedarsky. "Maximizing Efficiency in Smart Adjustable DC Link Powertrains with IGBTs and SiC MOSFETs via Optimized DC-Link Voltage Control." Batteries 9, no. 6 (2023): 302. http://dx.doi.org/10.3390/batteries9060302.

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In recent years, the push towards electrifying transportation has gained significant traction, with battery-electric vehicles (BEVs) emerging as a viable alternative. However, the widespread adoption of BEVs faces multiple challenges, such as limited driving range, making powertrain efficiency improvements crucial. One approach to improve powertrain energy efficiency is to adjust the DC-link voltage using a DC-DC converter between the battery and inverter. Here, it is necessary to address the losses introduced by the DC-DC converter. This paper presents a dynamic programming approach to optimi

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Su, G. J. "Multilevel DC-Link Inverter." IEEE Transactions on Industry Applications 41, no. 3 (2005): 848–54. http://dx.doi.org/10.1109/tia.2005.847306.

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14

Adzic, Evgenije, Vlado Porobic, Milan Adzic, and Zoran Ivanovic. "Advanced induction motor drive control with single current sensor." Thermal Science 20, suppl. 2 (2016): 421–36. http://dx.doi.org/10.2298/tsci150928027a.

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This paper proposes induction motor drive control method which uses minimal number of sensors, providing only DC-link current as a feedback signal. Improved DC-link current sampling scheme and modified asymmetrical switching pattern cancels characteristic waveform errors which exist in all three reconstructed motor line-currents. Motor linecurrent harmonic content is reduced to an acceptable level, eliminating torque and speed oscillations which were inherent for conventional single sensor drives. Consequently, use of single current sensor and line-current reconstruction technique is no longer

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15

Balamurugan, R., and R. Nithya. "Solar PV Based Shunt Active Filter with p-q Theory Control for Improvement of Power Quality." Journal of Circuits, Systems and Computers 26, no. 09 (2017): 1750133. http://dx.doi.org/10.1142/s021812661750133x.

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In this paper, fuzzy logic controller (FLC)-based three-phase shunt active power filter with photovoltaic (PV) system is proposed. This filter comprises voltage source converter (VSC) with DC link capacitor at the input side and is supplied by PV system. The salient feature of the filter is that it provides reactive power compensation with line current harmonic reduction and also neutral compensation at point of common coupling (PCC). The PV system and a battery are connected with VSC through DC–DC converter. This paper also proposes a control algorithm using instantaneous [Formula: see text]-

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16

Xue, Sheng, Xinggui Wang, and Xiaoying Li. "Output Voltage Control of MMC-Based Microgrid Based on Voltage Fluctuation Compensation Sliding Mode Control." Mathematical Problems in Engineering 2020 (August 20, 2020): 1–11. http://dx.doi.org/10.1155/2020/9404259.

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As a novel topology of microgrid, the output voltage control of MMC half bridge series microgrid (MMC-MG) is rarely studied. In this paper, on the basis of fully analyzing the mechanism of output voltage fluctuation of MMC-MG under the condition of islanded mode, a control strategy of a hybrid energy storage system is proposed to reduce the generating module (GM) DC-link voltage fluctuation caused by the randomness of renewable energy microsource output power. Moreover, in order to further improve the stabilization of the MMC-MG output voltage and meet the requirements of fast voltage recovery

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17

Zhang, Yi, Tao Yang, and Yiru Miao. "Research on the Modulation and Control Strategy for a Novel Single-Phase Current Source Inverter." Energies 16, no. 18 (2023): 6729. http://dx.doi.org/10.3390/en16186729.

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Compared to the voltage source inverter, the current source inverter (CSI) can boost voltage and improve filtering performance. However, the DC side of CSI is not a real current source, and the DC input current comprises a DC power supply and an inductor. In the switching process, the DC-link inductor is charged or discharged and is in an uncontrollable state. This paper proposes a novel CSI topology containing five switching tubes and a modulation strategy based on the hysteresis control strategy of the DC-link current. Due to the conduction and switching loss being positive to the DC-link cu

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18

Suganthi, Neelagiri, and Usha Pasumarthi. "Modelling and control of grid connected microgrid with hybrid energy storage system." International Journal of Power Electronics and Drive Systems ( 14, no. 3 (2023): 1791~1801. https://doi.org/10.11591/ijpeds.v14.i3.pp1791-1801.

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This paper presents a photovoltaic (PV) microgrid with battery and super capacitor hybrid energy storage systems. The proposed microgrid system is designed for both grid connected and standalone mode with coordinated control-based energy management system, which controls DC link voltage, voltage and frequency balance at point of common coupling. DC link voltage control is implemented using dual loop PI controller-based voltage controller and inverter control is based on D-Q reference frame technique. The microgrid system is demonstrated in MATLAB/Simulink. The presentation of the planned energ

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19

Zhang, Zhigang, Pengcheng Zhang, Yang Zhang, Wenjuan Zhang, Mengdi Li, and Zichen Xiong. "Calculation of RMS Current Load on DC-Link Capacitors for Multiphase Machine Drives under Carrier-Phase Shift Control." Journal of Control Science and Engineering 2023 (April 25, 2023): 1–11. http://dx.doi.org/10.1155/2023/6909403.

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The reliability and economy of dc-link capacitors are important concerns in multiphase drive systems. Due to the parallel connection of several converters, the dc-link capacitors are subjected to a higher RMS current, and the root mean square (RMS) current of dc-link capacitors is an important reference standard to determine its lifetime, cost, and volume. In this paper, the RMS current of dc-link capacitor is calculated by using the dual Fourier integral method and the effect of carrier interleave is studied. Meanwhile, the modulation ratio, harmonic sidebands, and switching frequency are als

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20

Sal y Rosas, Damián, and Alvaro Zarate. "Single-Phase Grid-Forming Strategy with Power Decoupling Implementation for Electrolytic-Capacitor-Free EV Smart Battery Charger." Energies 16, no. 2 (2023): 894. http://dx.doi.org/10.3390/en16020894.

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Smart Battery Chargers (SBCs) implementing grid-forming (GFM) control strategies are a promising solution to provide voltage and frequency support, increasing the grid reliability. Typically, GFM studies consider inverters with high DC-link capacitance. Therefore, there is a research gap in two-stage DC-AC converters with small DC-link capacitance implementing GFM strategies. This article proposes a novel approach to implement a GFM control strategy along with active power decoupling (APD) in an isolated, single-phase, electrolytic-capacitor-free two-stage DC-AC structure. The structure is com

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21

Vukadinović, Dinko, and Mateo Bašić. "A Stand-Alone Induction Generator with Improved Stator Flux Oriented Control." Journal of Electrical Engineering 62, no. 2 (2011): 65–72. http://dx.doi.org/10.2478/v10187-011-0011-5.

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A Stand-Alone Induction Generator with Improved Stator Flux Oriented ControlThis paper presents an improved stator flux oriented (SFO) control system for a stand-alone induction generator. The induction generator supplies a variable resistive dc load. In order to provide an essentially constant terminal voltage, the product of the rotor speed and the stator flux reference should remain constant. However, in this case the control system is not able to function properly at different loads and dc-link voltages. In this paper, we introduce a new algorithm in which this product is constant at certa

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22

Khan, Shagufta, and Suman Bhowmick. "Effect of DC Link Control Strategies on Multiterminal AC-DC Power Flow." Advances in Electrical Engineering 2015 (April 19, 2015): 1–15. http://dx.doi.org/10.1155/2015/685943.

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For power-flow solution of power systems incorporating multiterminal DC (MTDC) network(s), five quantities are required to be solved per converter. On the other hand, only three independent equations comprising two basic converter equations and one DC network equation exist per converter. Thus, for solution, two additional equations are required. These two equations are derived from the control specifications adopted for the DC links. Depending on the application, several combinations of valid control specifications are possible. Each combination of a set of valid control specifications is kno

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Uddin, Muhammad Helal, Sharith Dhar, Asif Mohammed Siddiqee, Rahul Chowdhury, Akramul Haque, and Mohammed Saifuddin Munna. "Analysis of a field oriented control based variable direct current link drive for electric vehicles." Indonesian Journal of Electrical Engineering and Computer Science 32, no. 1 (2023): 52. http://dx.doi.org/10.11591/ijeecs.v32.i1.pp52-60.

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<p>The performance and efficiency of electric vehicles (EVs) depend mostly on the EVs powertrains. Therefore, one of the most vital research areas is the efficiency analysis of the drivetrain parts in electric vehicles. In this work, two basic drivetrain configurations of EVs are considered and evaluated. Firstly, the one with constant direct current (DC) link voltage and second one having a bidirectional DC-DC converter which supplies variable DC link voltage to the inverter. In order to control a permanent magnet synchronous machine (PMSM), field oriented control (FOC) technique is per

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Muhammad, Helal Uddin, Dhar Sharith, Mohammed Siddiqee Asif, Chowdhury Rahul, Haque Akramul, and Saifuddin Munna Mohammed. "Analysis of a field oriented control based variable direct current link drive for electric vehicles." Analysis of a field oriented control based variable direct current link drive for electric vehicles 32, no. 1 (2023): 52–60. https://doi.org/10.11591/ijeecs.v32i1.pp52-60.

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The performance and efficiency of electric vehicles (EVs) depend mostly on the EVs powertrains. Therefore, one of the most vital research areas is the efficiency analysis of the drivetrain parts in electric vehicles. In this work, two basic drivetrain configurations of EVs are considered and evaluated. Firstly, the one with constant direct current (DC) link voltage and second one having a bidirectional DC-DC converter which supplies variable DC link voltage to the inverter. In order to control a permanent magnet synchronous machine (PMSM), field oriented control (FOC) technique is performed. F

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Busquets-Monge, Sergio, Robert Grino, Joan Nicolas-Apruzzese, and Josep Bordonau. "Decoupled DC-Link Capacitor Voltage Control of DC–AC Multilevel Multileg Converters." IEEE Transactions on Industrial Electronics 63, no. 3 (2016): 1344–49. http://dx.doi.org/10.1109/tie.2015.2495295.

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Azelhak, Younes, Loubna Benaaouinate, Hicham Medromi, Youssef Errami, Tarik Bouragba, and Damien Voyer. "Exhaustive Comparison between Linear and Nonlinear Approaches for Grid-Side Control of Wind Energy Conversion Systems." Energies 14, no. 13 (2021): 4049. http://dx.doi.org/10.3390/en14134049.

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In this paper, we propose a comparative study of linear and nonlinear algorithms designed for grid-side control of the power flow in a wind energy conversion system. We performed several simulations and experiments with step and variable power scenarios for different values of the DC-link capacity with the DC storage element being the key element of the grid-side converter. The linear control was designed on the basis of the internal model control theory where an active damping was added to avoid steady state errors. Nonlinear controls were built using first and second order sliding mode contr

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Zar, Thin, Mai Kai Suan Tial, and Tun Lin Naing. "DC-link voltage balancing and control of qZ-source inverter fed induction motor drive." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 3733. http://dx.doi.org/10.11591/ijece.v13i4.pp3733-3746.

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<span lang="EN-US">Poor performance of the motor drive system is caused when the direct current-link (DC-link) capacitor voltages of the inverter are not sufficiently generated. This is mainly because of the various load torque changes and input voltage fluctuation. The qZ-source inverter operates with a fully shoot-through technique. This technique causes mismatching between the upper and lower DC-link capacitor voltages. Without capacitor voltage-balancing function, the desired DC-link capacitor voltages could not be provided or maintained when there are load and speed changes. A Sawto

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Thin, Zar, Kai Suan Tial Mai, and Lin Naing Tun. "DC-link voltage balancing and control of qZ-source inverter fed induction motor drive." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 3733–46. https://doi.org/10.11591/ijece.v13i4.pp3733-3746.

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Poor performance of the motor drive system is caused when the direct currentlink (DC-link) capacitor voltages of the inverter are not sufficiently generated. This is mainly because of the various load torque changes and input voltage fluctuation. The qZ-source inverter operates with a fully shoot-through technique. This technique causes mismatching between the upper and lower DC-link capacitor voltages. Without capacitor voltage-balancing function, the desired DC-link capacitor voltages could not be provided or maintained when there are load and speed changes. A Sawtooth carrier-based simple b

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Lee, Jung-Hyo, and Chung-Yuen Won. "A Performance Improvement Method of PMSM Torque Control Considering DC-link Voltage Variation." Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 28, no. 11 (2014): 112–22. http://dx.doi.org/10.5207/jieie.2014.28.11.112.

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Thitichaiworakorn, Nuntawat, Nattapon Chayopitak, and Natchpong Hatti. "Efficiency Improvement of Three-Phase Cascaded H-Bridge Multilevel Inverters for Photovoltaic Systems." International Journal of Photoenergy 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/2162190.

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Medium-scale photovoltaic (PV) systems using cascaded H-bridge multilevel inverters have a capability to perform individual maximum power point tracking (MPPT) for each PV panel or each small group of panels, resulting in minimization of both power losses from panel mismatch and effect of partial shading. They also provide high power quality, modularity, and possibility of eliminating dc-dc boost stage and line-frequency transformer. However, each PV panel in the system is subjected to a double-line-frequency voltage ripple at the dc-link which reduces the MPPT efficiency. This paper proposes

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Nikonenko, Y., and M. Filonenko. "PARAMETERS OBSERVER OF BUCK- BOOST DC-DC CONVERTERS." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2025, no. 70 (2025): 75–83. https://doi.org/10.15407/publishing2025.70.075.

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A new algorithm for self-commissioning procedure of reversible boost-buck DC-DC converters is presented. It does not require prior information about any of their model parameters. It is based on the closed-loop adaptive observer of the DC-link voltage and input current of converter model in average coordinates. Observer provides identification of all parameters namely: resistance and inductance of input inductor, DC-link capacitance and input voltage. Local stability properties are proven for physical operating conditions based on second Lyapunov method. Due to the simple structure of the obse

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Lewicki, Arkadiusz. "DC-link voltage balancing in cascaded H-Bridge converters." Archives of Electrical Engineering 63, no. 3 (2014): 439–55. http://dx.doi.org/10.2478/aee-2014-0032.

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Abstract In this paper a DC-link voltage balancing strategy for multilevel Cascaded H-Bridge (CHB) converter is proposed. Presented solution bases on optimal choice of active vector durations in Space-Vector Pulse Width Modulation (SV-PWM). It makes it possible to DC-link voltages control and to properly generate the output voltage vector in the case of DC-link voltage unbalance. Results of simulation and experimental researches on proposed control strategy are presented in the paper

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Khalkhali, Hassan, Arman Oshnoei, and Amjad Anvari-Moghaddam. "Proportional Hysteresis Band Control for DC Voltage Stability of Three-Phase Single-Stage PV Systems." Electronics 11, no. 3 (2022): 452. http://dx.doi.org/10.3390/electronics11030452.

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Ensuring the stability of DC-link voltage in grid-connected photovoltaic (PV) systems plays a critical role in their reliable and continuous operation. DC voltage fluctuation and, in the worst case, DC voltage collapse will dramatically hamper real and reactive power delivery to the grid. This is more the case in single-stage inverters with no DC-DC boost stage, and the DC voltage has a varying nature. This paper proposes a new control approach for ensuring DC-link voltage stability in single-stage PV systems. The proposed control strategy is based on an adaptive hysteresis band controller (HB

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Et. al., D. Sathisha,. "A Simplified Control Approach of AC-DC-TLBC for Bi-Polar DC Microgrid Applications." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 2 (2021): 818–24. http://dx.doi.org/10.17762/turcomat.v12i2.1090.

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In this paper the main focus is to convert 3-Phase AC to DC and DC to 3-level Boost conversion for bipolar DC micro grid applications. The input side of AC-DC converter acts as active PWM rectifier and this can be controlled by using a new Min Max (MM) control algorithm to maintain the regulated DC link voltage. The DC link voltage is boosted according to the duty cycle along with voltage balance compensation algorithm in 3-L Boost (TLBC) converter. Hence the combination of two control approaches can provide better dynamic and steady state responses and the output results are carried out by MA

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Shree, Bindhu. "A REVIEW ON POWER CONVERTERS WITH DIFFERENT CONTROL TECHNIQUES FOR PV APPLICATION." International Journal of Innovative Research in Advanced Engineering 9, no. 2 (2022): 52–62. http://dx.doi.org/10.26562/ijirae.2022.v0902.03.

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Nowadays, in most of the industrial applications, power converters are required because it is very essential to convert the fixed voltage dc source into variable voltage dc source for some applications and for some more applications, it is required to convert the variable voltage dc source into fixed voltage dc source based on the application. In this paper, different types of dc-dc converters are studied based on their applications. In recent days, dc-dc converters are implemented in photovoltaic applications like solar panel, wind energy integration, dc grid system, etc. In order to obtain t

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Siton, Yarden, Vladimir Yuhimenko, Dmitry Baimel, and Alon Kuperman. "Baseline for Split DC Link Design in Three-Phase Three-Level Converters Operating with Unity Power Factor Based on Low-Frequency Partial Voltage Oscillations." Machines 10, no. 9 (2022): 722. http://dx.doi.org/10.3390/machines10090722.

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The study sets a baseline for split DC link capacitance values and voltage set points in three-phase three-level AC/DC (or DC/AC) converters operating with unity power factor. In order to equalize the average values of partial DC link voltages, the controller generates a zero-sequence containing DC components only while employing neither dedicated DC link capacitance balancing hardware nor high-order zero-sequence component injection. Such a baseline is required in order to evaluate the effectiveness of different DC link capacitance reduction methods proposed in the literature. Unlike most pre

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Singh, Satendra, A. Kannagi, Laxmi Goswami, and Dhananjay Kumar Yadav. "LSTM-ANN based DTC of Induction Motor with 5 Level Inverter." E3S Web of Conferences 540 (2024): 02002. http://dx.doi.org/10.1051/e3sconf/202454002002.

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Medium voltage drives especially induction motor drives are mostly using in industries for many applications. The precious intelligent control of induction motors are high required in nuclear power generation units. Direct torque control (DTC) of induction motors is commonly selected for achieving smooth speed torque characteristics as compared with other existing control techniques. However, conventional DTC suffers from many issues because of maintaining constant reference flux in all the speed regions. Hence two ANN controllers based novel DTC is implemented in this paper. Three phase five

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Luo, Chengwei, Derong Luo, Shoudao Huang, Gongping Wu, Hongzhang Zhu, and Qianjun He. "A Novel Control Strategy for DC-Link Voltage Balance and Reactive Power Equilibrium of a Single-Phase Cascaded H-Bridge Rectifier." Energies 12, no. 1 (2018): 51. http://dx.doi.org/10.3390/en12010051.

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The dc-link voltage balance and reactive power equilibrium of the cascaded H-bridge rectifier (CHBR) are the prerequisites for the safe and stable operation of the system. However, the conventional PI (Proportional-Integral) control strategy only puts emphasis on the CHBR dc-link voltage balance without taking into account its reactive power equilibrium under capacitive and inductive working conditions. For this reason, this paper has proposed a novel control strategy for the CHBR that can not only balance dc-link voltage, but also achieve reactive power equilibrium and eliminate the coupling

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Cao, Xudong, Shaozhe Zhou, Jingze Li, and Shaohua Zhang. "A DC Voltage Control Strategy for Active Power Filter." Open Electrical & Electronic Engineering Journal 10, no. 1 (2016): 166–80. http://dx.doi.org/10.2174/1874129001610010166.

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Active Power Filter (APF) is capable of changing the size and frequency of harmonics as well as changes in reactive power compensation. It is important to control the stability of the DC-link capacitor voltage stability for it. For DC voltage controls of APF, there are two important achievements. First, it is indicated that the control of DC voltage directly affects the compensation performance of APF. Second, the value of DC voltage influences the power loss of APF. This paper firstly introduces the design of the DC voltage controller. Then the relationship between DC voltage and the power lo

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Cheng, Xiaoman, Youjun Yue, Hui Zhao, and Hongjun Wang. "Coordinated control strategy for microgrid based on improved virtual DC motor." Journal of Physics: Conference Series 2708, no. 1 (2024): 012003. http://dx.doi.org/10.1088/1742-6596/2708/1/012003.

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Abstract The coordinated control strategy based on the improved virtual DC motor (VDCM) is proposed to address the bus voltage fluctuation of an isolated DC microgrid and the power distribution problem of multiple energy storage units. Firstly, the memory converter control process unit is enhanced by adding the VDCM link and low-pass filtering link. Secondly, considering factors such as photovoltaic power, constant-power loads, and battery charging state, six working modes are defined to ensure stable DC bus voltage in each mode. Finally, a simulation model of the isolated DC microgrid is foun

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Gandotra, Rupika, Kanika, and Kirti Pal. "The VSC-HVDC Transmission System Performance Assessment." Journal of Physics: Conference Series 2570, no. 1 (2023): 012025. http://dx.doi.org/10.1088/1742-6596/2570/1/012025.

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Abstract As the use of renewable resources increases the transfer of power from remote area to consumer is a big challenge. Therefore, Voltage Source Converter High Voltage Direct Current (VSC-HVDC) transmission is gaining more popularity for integration of renewable energy generators to the consumers using smart grid. Even after many advantages of HVDC transmission system it is not used popularly due to unexpected instability in the system. However recent developments in semiconductor devices and control techniques the HVDC link operation in transmission system becomes easier. In this paper V

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Akash, G. Bhople. "Controlling the Speed of PMBLDC Motor Drive for an Air Conditioner by Using BL-SEPIC Converter." Recent Trends in Control and Converter 2, no. 3 (2020): 1–6. https://doi.org/10.5281/zenodo.3605519.

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<em>This paper presents the smooth speed control of a permanent magnet brushless DC motor drive (PMBLDCM) for an air conditioner. The bridgeless single ended primary inductor converter is used for proposed scheme. A bridgeless single ended primary inductor converter is basically boost converter followed by buck –boost converter. An analysis of speed control of permanent magnet brushless DC motor drive is done. The proposed scheme is used to combine the power factor correction controller and DC link voltage control in a single stage. With the implementation of proposed scheme conduction l

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Vandoorn, Tine L., Bart Meersman, Lieven Degroote, Bert Renders, and Lieven Vandevelde. "A Control Strategy for Islanded Microgrids With DC-Link Voltage Control." IEEE Transactions on Power Delivery 26, no. 2 (2011): 703–13. http://dx.doi.org/10.1109/tpwrd.2010.2095044.

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Saranya, T. L., G. Ezhilarasan, and Subhransu Sekhar Dash. "Mitigation of Power Quality Problems Using DSTATCOM with Reduced DC Link Voltage." Advanced Materials Research 768 (September 2013): 301–7. http://dx.doi.org/10.4028/www.scientific.net/amr.768.301.

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This paper mainly presents the DSTATCOM (Distribution Static Compensator) and its control methodology of DC capacitor voltage. Generally, the dc capacitor voltage is regulated using a PI controller where various control algorithms are used for load compensation. Whenever there is a change in load there is considerable variation in dc capacitor voltage which might affect compensation. In this work, a supervisory method is proposed to reduce the dc link rating. The reduction in dc link voltage leads to the reduction in switching frequency and hence switching losses A considerable reduction in th

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Chen, Wei, Jialong Wu, Xinmin Li, and Chen Li. "Overvoltage Avoidance Control Strategy for Braking Process of Brushless DC Motor Drives with Small DC-Link Capacitance." Actuators 13, no. 5 (2024): 185. http://dx.doi.org/10.3390/act13050185.

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Single-phase input rectifier brushless DC motor drives with a small film capacitor have many advantages, such as high power density and high reliability. However, when the motor system operates in regenerative braking mode, the dc-link capacitor with reduced capacitance may suffer from overvoltage without adding additional hardware circuits. At the same time, the braking torque control of the motor will be affected by speed variations. In order to ensure smooth and reliable operation of the motor system, an anti-overvoltage braking torque control method is proposed in this article. The relatio

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P, Elangovan, and Nalin Kant Mohanty. "FPGA Based V/f Control of Three Phase Induction Motor Drives Integrating Super-Lift Luo Converter." International Journal of Power Electronics and Drive Systems (IJPEDS) 5, no. 3 (2015): 393. http://dx.doi.org/10.11591/ijpeds.v5.i3.pp393-403.

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The significance of Elementary Positive Output Super-Lift Luo Converter (EPOSLLC) in constant Voltage/Hertz (V/f) controlled Induction Motor (IM) drive is presented. The traditional IM drive which integrates phase controlled rectifier or boost converter in the facade end upshot tribulations like DC link fluctuations and deprived DC link voltage level. To overcome the problem, the conventional DC-DC converter is replaced with Proportional plus Integral (PI) controlled EPOSLLC in the front end of IM drive that produce the DC link voltage in geometric progression. The Voltage Source Inverter (VSI

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Hamza, Tedjini, Messaoud Fatima Zahra, and Kadri Boufeldja. "Robust optmized control of multi levels STATCOM." Indonesian Journal of Electrical Engineering and Computer Science 16, no. 3 (2019): 1203. http://dx.doi.org/10.11591/ijeecs.v16.i3.pp1203-1212.

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<p>Reactive power compensation is an essential part of a power system and the static synchronous compensator (STATCOM) plays an important role in controlling the reactive power flow over the transmission line. The basic building block of the STATCOM is a voltage source inverter (VSI) that generates a synchronous sinusoidal voltage and because of the high MVA ratings, it would be expensive to provide independent, equal, regulated dc voltage sources to power the multilevel converters which are presently proposed for STATCOMs. Dc voltage sources can be derived from the dc link capacitances

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Takayama, Yuto, and Hiroaki Yamada. "Variable DC-Link Voltage Control of Dual Active Bridge Converter in a Standalone Wind Power Generation System for High-Efficiency Battery-Discharging Operation." Energies 14, no. 20 (2021): 6786. http://dx.doi.org/10.3390/en14206786.

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In this study, we deal with a dual active bridge (DAB) converter-based battery charger in a standalone wind power generation system (WPGS) with a small-scale wind turbine. However, the power conversion efficiency under the low power output in the discharging mode is low. In this paper, we propose variable DC-link voltage control in a standalone WPGS with a DAB converter under a light load. The proposed control can compensate for the shortage of generated power and suppress the peak value of the transformer current. Simulation results demonstrate that the proposed control can decrease the peak

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Ahmed, Mostafa, Mohamed Abdelrahem, Ahmed Farhan, Ibrahim Harbi, and Ralph Kennel. "DC-link sensorless control strategy for grid-connected PV systems." Electrical Engineering 103, no. 5 (2021): 2345–55. http://dx.doi.org/10.1007/s00202-021-01228-2.

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AbstractSensorless strategies become very popular in modern control techniques because they increase the system reliability. Besides, they can be used as back-up control in case of sensor failure. In this paper, a DC-link sensorless control approach is developed, which is suited for grid-connected PV systems. The studied system is a two-stage PV scheme, where the DC–DC stage (boost converter) is controlled using an adaptive step-size perturb and observe (P&O) method. Further, the inverter control is accomplished by voltage oriented control (VOC). Generally, the VOC is implemented with two

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Singh, Jaswant, Surya Prakash Singh, and Kripa S. Verma. "Performance Evaluation of LMPO-Based MPPT Technique for Two-Stage GIPV System with LCL Under Various Meteorological Conditions." Processes 13, no. 3 (2025): 849. https://doi.org/10.3390/pr13030849.

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This paper presents a variable step-size efficient learning modified P&O (LMPO) MPPT algorithm and adaptive proportional–integral (API)-based control techniques for a two-stage three-phase grid-integrated photovoltaic (TS-GIPV) system using an LCL filter. The proposed novel controlled technique introduces two-stage systems under different meteorological conditions and load deviations. The two-stage system with the presented control technique includes maximum power point tracking (MPPT) techniques, intermediate DC-link voltage, and grid current synchronization with a voltage source converte

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