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1

Hamidi, Muhammad Najwan, Dahaman Ishak, and Muhammad Ammirul Atiqi Mohd Zainuri. "Comparative evaluation of multilevel DC link inverter using symmetrical and asymmetrical DC sources." Journal of Electrical Engineering 70, no. 2 (2019): 122–29. http://dx.doi.org/10.2478/jee-2019-0018.

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Abstract This paper presents a comparative evaluation of multilevel DC link inverter of photovoltaic (PV) renewable energy system using either symmetrical or asymmetrical dc sources. The four units of dc source can have the same dc voltage level, ie 81.32 V, resulting in symmetrical dc sources. The asymmetrical dc sources consist of input dc voltages in binary sequence, 21.68 V, 43.37 V, 86.74 V and 173.48 V. The boost converters with maximum power point tracking (MPPT) capability which is regulated by perturb and observe (P&O) based control are connected between the PV panels and the four
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2

Maheswaran, Anusuya, Geetha Ramanujam, Ilango Rengaraju, Iyyappan S. Arumugam, and Gayathri Ramachandran. "Dual tri-isolated DC H-6 inverter with minimal power components design." Indonesian Journal of Electrical Engineering and Computer Science 35, no. 2 (2024): 711. http://dx.doi.org/10.11591/ijeecs.v35.i2.pp711-719.

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Multilevel inverters have been forecasted in recent years for industrial and renewable energy applications due to its inherent characteristics of shaping the output voltage nearer to sinusoidal shape through concatenating several two/three level inverters using isolated DC sources or DC-link capacitors. However, the classical topologies used for synthesizing stepped voltage have several outwards like more number of DC sources or DC-link capacitors and switching devices used. In this paper, an effort has been sighted to bring a new topology for generating stepped voltage to overcome the above m
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3

Anusuya, Maheswaran Geetha Ramanujam Ilango Rengaraju Iyyappan S. Arumugam Gayathri Ramachandran. "Dual tri-isolated DC H-6 inverter with minimal power components design." Indonesian Journal of Electrical Engineering and Computer Science 35, no. 2 (2024): 711–19. https://doi.org/10.11591/ijeecs.v35.i2.pp711-719.

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Multilevel inverters have been forecasted in recent years for industrial and renewable energy applications due to its inherent characteristics of shaping the output voltage nearer to sinusoidal shape through concatenating several two/three level inverters using isolated DC sources or DC-link capacitors. However, the classical topologies used for synthesizing stepped voltage have several outwards like more number of DC sources or DC-link capacitors and switching devices used. In this paper, an effort has been sighted to bring a new topology for generating stepped voltage to overcome the above m
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4

Neelagiri, Suganthi, and Pasumarthi Usha. "Energy management of PV wind based microgrid with hybrid energy storage systems." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 4 (2022): 2128. http://dx.doi.org/10.11591/ijpeds.v13.i4.pp2128-2138.

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Power demand all around the world is increasing day by day and conventional energy sources are getting depleted. In order to meet the power demand and to reduce the carbon emission caused by the conventional energy sources, alternate renewable energy sources are important. wind and solar are two reliable energy sources among the various renewable energy sources. In this proposed paper wind and photovoltaic (PV) energy-based direct current (DC) microgrid is proposed with super capacitor and battery hybrid energy storage systems. Constant DC link voltage is the replication of energy balance in D
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Suganthi, Neelagiri, and Usha Pasumarthi. "Energy management of PV wind based microgrid with hybrid energy storage system." International Journal of Power Electronics and Drive Systems 13, no. 4 (2022): 2128~2138. https://doi.org/10.11591/ijpeds.v13.i4.pp2128-2138.

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Power demand all around the world is increasing day by day and conventional energy sources are getting depleted. In order to meet the power demand and to reduce the carbon emission caused by the conventional energy sources, alternate renewable energy sources are important. wind and solar are two reliable energy sources among the various renewable energy sources. In this proposed paper wind and photovoltaic (PV) energy-based direct current (DC) microgrid is proposed with super capacitor and battery hybrid energy storage systems. Constant DC link voltage is the replication of energy balance in D
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Kołodziejski, Wojciech, Jacek Jasielski, Witold Machowski, Juliusz Godek, and Grzegorz Szerszeń. "Single-Phase Transformerless Three-Level PV Inverter in CHB Configuration." Electronics 14, no. 2 (2025): 364. https://doi.org/10.3390/electronics14020364.

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The paper proposes an original single-phase transformerless three-level (S-PT) photovoltaic (PV) inverter in the cascade H bridge (CHB) configuration. The DC-link voltage of the inverter is created by two serial voltage sources with a voltage twice as low as the DC-link voltage. An appropriate VCC DC-link voltage is generated by a two-phase DC-DC boost converter, fed from the string panel output at a level determined by the maximum power point tracking (MPPT) algorithm. Two symmetrical sources with VCC/2 are formed by a divider of two series-connected capacitors of large and the same capacitan
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7

Darwish, Ahmed. "A Modular Step-Up DC/DC Converter for Electric Vehicles." Energies 17, no. 24 (2024): 6305. https://doi.org/10.3390/en17246305.

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A step-up DC/DC converter is required to match the fuel cell’s stack voltage with the DC-link capacitor of the propulsion system in fuel cell-based electric vehicles (FCEVs). Typically, the nominal voltage of a single fuel cell ranges from 0.5 V to 1 V, and the DC-link voltage usually lies between 400 V and 800 V. This article proposes a new modular step-up DC/DC converter capable of providing a wide voltage-boosting range from the input to the output side using series-connected isolated boosting submodules (SMs). Modified versions of boost and Cuk converters are designed and used as the SMs t
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8

Chitrakala, G., N. Stalin, and V. Mohan. "Normally Bypassed Cascaded Sources Multilevel Inverter with RGA Optimization for Reduced Output Distortion and Formulaic Passive Filter Design." Journal of Circuits, Systems and Computers 29, no. 02 (2019): 2050019. http://dx.doi.org/10.1142/s021812662050019x.

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The distributed generation involving multiple photovoltaic sources and synthesizing high-quality ac voltage from those multiple dc sources are nascent research ambits. A host of multilevel inverters (MLIs) has been ascertained for performing above errand diligently, where the component count is obnoxious. The single phase seven-level inverter is an acquiescent compromise between the circuit complexity and the quality of the output. Further enhancement on the performance can be succored through optimizing dc link voltages and switching angles. This paper proposes a component count pruned MLI st
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9

Hojabri, Hossein. "Unidirectional isolated high‐frequency link DC/AC converter for grid integration of DC sources." IET Renewable Power Generation 13, no. 15 (2019): 2880–87. http://dx.doi.org/10.1049/iet-rpg.2019.0284.

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10

Hasan, Md Mubashwar, Ahmed Abu-Siada, and Mohamed S. A. Dahidah. "A Three-Phase Symmetrical DC-Link Multilevel Inverter With Reduced Number of DC Sources." IEEE Transactions on Power Electronics 33, no. 10 (2018): 8331–40. http://dx.doi.org/10.1109/tpel.2017.2780849.

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11

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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12

Uthirasamy, R., and U. S. Ragupathy. "Design and Experimentation of Boost Cascaded DC Link Inverter for Domestic UPS Applications." Journal of Circuits, Systems and Computers 24, no. 10 (2015): 1550156. http://dx.doi.org/10.1142/s021812661550156x.

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A new structure of Boost Cascaded DC Link H-Bridge Inverter (BCDCLHBI) is proposed for domestic UPS applications. It consists of DC-DC converter, sub-multilevel modules and H-bridge inverter circuits. The proposed sub-multilevel modules synthesize a stepped DC link voltage with reduced voltage stress across the H-bridge inverter. Compared with conventional two-level inverter the proposed stepped DC link inverter configuration has reduced Power Spectral Density (PSD) and reduced voltage stress. Compared with conventional Cascaded Multilevel Inverter (CMLI) configuration, the proposed system has
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13

Vasquez Mayen, Eduardo, and Emmanuel De Jaeger. "Average Modeling of High Frequency AC Link Three-Port DC/DC/DC Converters." Electricity 5, no. 2 (2024): 397–425. http://dx.doi.org/10.3390/electricity5020021.

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The current transition towards renewable energies has led to an increased utilization of Photovoltaic (PV) sources and battery energy storage systems to complement the PV panels. To facilitate energy transfer among PVs, batteries, and loads, multiple converters are required. Thus, this transformation in the energy system has resulted in an increase in converter-interfaced elements. Within this context, three-port converters allow for replacing multiple converters with a single one. These three-port converters use a high-frequency AC resonant link for the bidirectional transfer of energy across
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14

Rajendran, Senthilnathan, Vigneysh Thangavel, Narayanan Krishnan, and Natarajan Prabaharan. "DC Link Voltage Enhancement in DC Microgrid Using PV Based High Gain Converter with Cascaded Fuzzy Logic Controller." Energies 16, no. 9 (2023): 3928. http://dx.doi.org/10.3390/en16093928.

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Renewable-based sources can be interconnected through power electronic converters and connected with local loads and energy storage devices to form a microgrid. Nowadays, DC microgrids are gaining more popularity due to their higher efficiency and reliability as compared to AC microgrid systems. The DC Microgrid has power electronics converters between the DC loads and renewable-based energy sources. The power converters controlled with an efficient control algorithm for maintaining stable DC bus voltage in DC microgrids under various operating modes is a challenging task for researchers. With
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15

Hussain, Ali Nasser, Ahmed Jadaan Ali, and Firas Saaduldeen Ahmed. "Power quality improvement based on hybrid coordinated design of renewable energy sources for DC link channel DSTATCOM." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (2020): 5108. http://dx.doi.org/10.11591/ijece.v10i5.pp5108-5122.

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This paper presents a comprehensive analysis of power quality for static synchronous compensator on the distribution power system (DSTATCOM) when a different types of energy sources are used to supply the dc link channel of DSTATCOM. These types of power supplies have a different effect on the compensation of DSTATCOM due to operation nature of these sources. The dynamic response of the DSTATCOM has been investigated that produced by individual and hybrid energy sources to evaluate the influence of these sources in terms of time response, compensation process and reduce the harmonics of curren
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16

Ali, Nasser Hussain, Jadaan Ali Ahmed, and Saaduldeen Ahmed Firas. "Power quality improvement based on hybrid coordinated design of renewable energy sources for DC link channel DSTATCOM." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (2020): 5108–22. https://doi.org/10.11591/ijece.v10i5.pp5108-5122.

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This paper presents a comprehensive analysis of power quality for static synchronous compensator on the distribution power system (DSTATCOM) when different types of energy sources are used to supply the DC link channel of DSTATCOM. These types of power supplies have a different effect on the compensation of DSTATCOM due to operation nature of these sources. The dynamic response of the DSTATCOM has investigated that produced by individual and hybrid energy sources to evaluate the influence of these sources in terms of time response, compensation process and reduce the harmonics of current sourc
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17

Kumar, Ashwini, and Omveer Singh. "Optimal AGC of a power system incorporated BESS-EHVAC/DC link using evolutionary techniques." International Journal of Power Electronics and Drive Systems (IJPEDS) 14, no. 3 (2023): 1322. http://dx.doi.org/10.11591/ijpeds.v14.i3.pp1322-1330.

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This research paper reveals the design of controller with optimization techniques for automatic generation control (AGC) in multi-area power system incorporated with diverse energy sources. The diverse sources are conventional thermal, hydro and gas power station (THG). The frequency deviations should be remains constant in modern power systems. Optimization techniques used for proposed model for proportional integral (PI) controller which is tuned for AGC with diverse energy sources. The battery energy storage system (BESS) and extra high voltage alternating current/ direct current (EHVAC/DC)
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18

Ashwini, Kumar, and Singh Omveer. "Optimal AGC of a power system incorporated BESSEHVAC/DC link using evolutionary techniques." International Journal of Power Electronics and Drive Systems 14, no. 3 (2023): 1322~1330. https://doi.org/10.11591/ijpeds.v14.i3.pp1322-1330.

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This research paper reveals the design of controller with optimization techniques for automatic generation control (AGC) in multi-area power system incorporated with diverse energy sources. The diverse sources are conventional thermal, hydro and gas power station (THG). The frequency deviations should be remains constant in modern power systems. Optimization techniques used for proposed model for proportional integral (PI) controller which is tuned for AGC with diverse energy sources. The battery energy storage system (BESS) and extra high voltage alternating current/ direct current (EHVAC/DC)
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19

Choi, Sang-Jae, and Sung-Hun Lim. "Fluctuation Suppression of DC-Link Voltage Using Control of Converters Connected with DC Distributed Generation." Energies 13, no. 21 (2020): 5832. http://dx.doi.org/10.3390/en13215832.

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Due to the increase in DC load and DC Power generation, the need for DC power system is emerging. Accordingly, FRT (fault ride through) and LVRT (low voltage ride through), which are related regulations for renewable energy sources, have been enacted, and operation algorithms of each converter are required for this. However, the operation of the converter according to LVRT regulations causes DC voltage fluctuations. In the current study, DC voltage fluctuation is suppressed through converter control of DC-linked battery. The controller was designed from the relational equation between DC volta
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20

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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21

V., Vasudevan, and Balaji K. "Performance of Cuk-KY Converter Fed Multilevel Inverter for Hybrid Sources." Indonesian Journal of Electrical Engineering and Computer Science 10, no. 2 (2018): 436–45. https://doi.org/10.11591/ijeecs.v10.i2.pp436-445.

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Distributed energy source based electricity generation is an essential factor for the economic growth and development of a country. The photovoltaic, fuel cell and battery based power generation offer a high voltage gain. The DC-DC CUK converter based on both buck and boost mode of operation is proposed for high gain dc link voltage. The hybrid CUK –KY Converter based multilevel inverter is designed and implemented. Here, the main advantages of hybrid boost mode operation of Cuk converter, step up configuration is used which will result in improve conversion voltage ratio and better damp
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22

Uthirasamy, R., U. S. Ragupathy, and R. Naveen. "Structure of 15-Level Sub-Module Cascaded H-Bridge Inverter for Speed Control of AC Drive Applications." International Journal of Power Electronics and Drive Systems (IJPEDS) 5, no. 3 (2015): 404. http://dx.doi.org/10.11591/ijpeds.v5.i3.pp404-414.

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This paper deals with the implementation of a single phase 15-level Sub-Multilevel Cascaded H-Bridge Inverter (SMCHBI) for variable speed industrial drive applications. It consists of sub-multilevel modules and H-bridge inverter configuration. Sub-multilevel switches synthesize stepped DC link voltage and current from the DC sources. H-bridge inverter switches renovate stepped DC link voltage and current into sinusoidal waveform. Compared with conventional Cascaded Multilevel Inverter (CMLI), the proposed system employs the reduced number of power switches, DC sources and gate driver requireme
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23

Vasudevan, V., and K. Balaji. "Performance of Cuk-KY Converter Fed Multilevel Inverter for Hybrid Sources." Indonesian Journal of Electrical Engineering and Computer Science 10, no. 2 (2018): 436. http://dx.doi.org/10.11591/ijeecs.v10.i2.pp436-445.

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<span lang="EN-US">Distributed energy source based electricity generation is an essential factor for the economic growth and development of a country. The photovoltaic, fuel cell and battery based power generation offer a high voltage gain. The DC-DC CUK converter based on both buck and boost mode of operation is proposed for high gain dc link voltage. The hybrid CUK –KY Converter based multilevel inverter is designed and implemented. Here, the main advantages of hybrid boost mode operation of Cuk converter, step up configuration is used which will result in improve conversion voltage ra
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24

Pachipala, Siva, Amarsrinadh Guda, Mentimi Sandeep Babu, Veeranarayana B., K. V. S. Ramachandra Murthy, and Abhilash Tirupathi. "A series-connected switched source and an H-bridge based multilevel inverter." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 2 (2021): 673. http://dx.doi.org/10.11591/ijeecs.v24.i2.pp673-679.

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An inverter circuit is promoted in this paper, using series-connected switched dc sources along with an H-bridge circuit with optimized circuit elements like switching devices and diode clamped (DC) sources. This configuration uses DC supplies that can be strung together in series to create a significant voltage level. This topology consists of two parts, namely: 1) level production part and 2) polarity production part. The combination of some of the dc sources and switching devices completes the level production part. The H-bridge in the presented structure produces the polarity generation pa
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Pachipala, Siva, Amarsrinadh Guda, Mentimi Sandeep Babu, Veeranarayana B., K. V. S. Ramachandra Murthy, and Abhilash Tirupathi. "A series-connected switched source and an H-bridge based multilevel inverter." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 2 (2021): 673–79. https://doi.org/10.11591/ijeecs.v24.i2.pp673-679.

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An inverter circuit is promoted in this paper, using series-connected switched dc sources along with an H-bridge circuit with optimized circuit elements like switching devices and diode clamped (DC) sources. This configuration uses DC supplies that can be strung together in series to create a significant voltage level. This topology consists of two parts, namely: 1) level production part and 2) polarity production part. The combination of some of the dc sources and switching devices completes the level production part. The H-bridge in the presented structure produces the polarity generation pa
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26

Oliveira, Catia F., Ana M. C. Rodrigues, Delfim Pedrosa, Joao L. Afonso, and Vitor Monteiro. "A Current-Source Converter with a Hybrid Dc-dc Converter Interfacing an Electric Vehicle and a Renewable Energy Source." EAI Endorsed Transactions on Energy Web 9, no. 5 (2023): e4. http://dx.doi.org/10.4108/ew.v9i5.3047.

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The increasing demand for electricity and the impact of the consumption of fossil fuels leads to the need for approaching new alternatives of energy production, namely energy storage systems (ESS) and renewable energy sources (RES). For this purpose, this paper presents a single-phase current-source converter (CSC) with a hybrid dc-dc converter connected to the dc-link, which not only allows the interface of an electric vehicle (EV) and a RES, but also operates as shunt active power filter (SAPF). The operation as SAPF is performed through the CSC connected to the power grid, compensating some
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27

Kurtoğlu, Mehmet, and Fatih Eroğlu. "Design and simulation of bidirectional DC-DC converter topology for battery applications." E3S Web of Conferences 551 (2024): 03002. http://dx.doi.org/10.1051/e3sconf/202455103002.

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Recently, energy storage has become a significant topic for renewable energy based power system applications. Batteries are one of the most popular energy storage devices adopted by renewable energy sources, electrical vehicles and grid connected systems. In this context, the bidirectional DC-DC converter (BDC) enables bidirectional power flow by controlling the charging and discharging stage of the battery in battery applications. Accordingly, the battery current is regulated through the duty cycle of the BDC considering the state of charge of the battery and current direction. In this study,
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Acharjya, Kalyan, Ravi Kant Pareek, Kavitha R, and Kuldeep Singh Kulhar. "Novel Energy Management System of PMSG based Standalone Wind Power Generation System." E3S Web of Conferences 540 (2024): 01006. http://dx.doi.org/10.1051/e3sconf/202454001006.

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Renewable energy sources based electric power generating units are often power supply units for many rural areas worldwide especially where power supply is impossible through the power grid. Permanent Magnet Synchronous Generation (PMSG) based wind power conversion system is considered in this paper and equipped with an efficient maximum power tracker (MPPT) circuit. However, electricity produced through wind turbine will be always fluctuating according to wind speed. Hence, an energy storage device (i.e., batteries) is also connected through a dc to dc bidirectional circuit. Moreover, during
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Vijay, D. Mali, and R. Thorat A. "AN ISOLATED THREE-PORT BIDIRECTIONAL DC-DC CONVERTER FOR PV BATTERY APPLICATION." JournalNX - a Multidisciplinary Peer Reviewed Journal RIT PG Con-18 (April 22, 2018): 190–95. https://doi.org/10.5281/zenodo.1413389.

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this paper anisolated three-port bidirectional DC-DC converter for Photovoltaic (PV) battery application is presented. This converter is capable of parallel power management of various renewableenergy sources. The proposed converter is designed for controlling power of photovoltaic panel, load and rechargeablebattery. The advantage of this converter is it utilizes less number of controllable switches and provides soft switching for converter primary switch. This is achieved by an inductor-capacitor-inductor resonant circuit. This converter has ability to control the battery power when there is
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Mishra, Apoorva, and J. N. Rai. "Renewable Energy Fed DC Microgrid: An Overview." International Journal of Advance Research and Innovation 7, no. 2 (2019): 92–97. http://dx.doi.org/10.51976/ijari.721915.

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This paper lays emphasis on need of renewable energy sources for power due to increase in the demand for energy and depletion of conventional sources of energy. We propose to integrate the renewable energy with our DC Micro grid. In this paper we study the interfacing of the Solar P-V , Wind Turbine with the DC Micro grid through the rectifier, Buck Boost and Fly back converter respectively. We present a model of a wind turbine using a Fly back converter as it can provide isolation due to the use of high frequency transformer in its design. This isolation provides the advantage of protection o
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Omar, Abu Hassan, Aizam Zulkifli Shamsul, Shamian Zainal Mohd, Alabqari Ma' Radzi Ahmad, Shukri Ahmad Muhammad, and Nadzlin Tengku Ibrahim Tengku. "Independent high voltage DC source development for renewable-grid integration interface." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 1 (2020): 374–81. https://doi.org/10.11591/ijpeds.v11.i1.pp374-381.

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Recent advancement in renewable-grid integration research, due to the concern on the environmental impact, leads to extensive study in isolated power converter as their interface. As part of isolation capability in power converter interface, extensive study of magnetic component has been carried out, especially on the design, construction and optimisation to achieve optimal operation. One of the main issue in verifying the analytical power loss model is to have independent HVDC link power source for an experimental validation work. This paper focus on the design and construction of DC link sou
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Mohan, V., G. Chitrakala, and N. Stalin. "A Low Frequency PWM Based Multilevel DC-Link Inverter with Cascaded Sources." Asian Journal of Research in Social Sciences and Humanities 7, no. 1 (2017): 686. http://dx.doi.org/10.5958/2249-7315.2016.01401.5.

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Nassoro, Nassoro Sadick, Consalva Joseph Msigwa, Aviti Thadei Mushi, and Bakari M. M. Mwinyiwiwa. "MPPT DC-DC Buck-Boost Converter for Off Grid Hybrid Solar-Wind-Battery System in Ikuza Island, Tanzania." Tanzania Journal of Engineering and Technology 42, no. 3 (2023): 171–88. http://dx.doi.org/10.52339/tjet.v42i3.933.

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Ikuza Island in Tanzania faces lack of electricity. Therefore, this paper undertakes to design hybrid renewable energy sources for the island by specifically focusing on the buck-boost converter for the energy conversion from these renewable resources. The design of the bidirectional buck-boost converter for maximum power point tracking in off-grid hybrid renewable energy systems is multifaceted due to the inhomogeneity nature of the renewable energy sources. The bidirectional buck-boost converter, solar PV, wind-based generator, and energy storage system were designed and simulated in MATLAB/
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Bahri, Ahmed, Nabil Mezhoud, Mohcene Bechouat, Thameur Abdelkrim, and Bilel Ayachi. "Enhancing stability of standalone hybrid solar-wind power systems using TID controllers with fuzzy logic optimization." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 2 (2024): e12238. https://doi.org/10.54021/seesv5n2-794.

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In recent years, hybrid solar-wind power systems incorporating photovoltaic (PV) and wind turbines (WT) have been employed to mitigate the intermittent nature of renewable energy sources. This study proposes enhanced control strategies using Tilt Integral Derivative (TID) controllers to manage a standalone hybrid energy system comprising solar photovoltaics, wind generators, and a Battery Energy Storage system (BES) across varying weather conditions. To improve the efficiency of energy supplied to AC loads, a three-level NPC inverter is integrated. Fluctuations in solar radiation or AC loads c
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Krishna, T. V., M. K. Maharana, and C. K. Panigrahi. "Integrated Design and Control of Renewable Energy Sources for Energy Management." Engineering, Technology & Applied Science Research 10, no. 3 (2020): 5857–63. http://dx.doi.org/10.48084/etasr.3613.

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Growing population and expanding industry set off the demand for electrical energy and issues, such as the problem of peak load demand, emerge. To balance the supply and load demand problem, the energy management system has the vital role of Electric Peak shaving with the integration of microgrid into the utility grid. The combination of demand-side management with storable energy sources helps us resolve the matters concerned with the peak load demand. However, in a microgrid, whenever the distributed energy sources are interconnected, the DC bus link voltage will vary due to the inherent beh
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Krishna, T. V., M. K. Maharana, and C. K. Panigrahi. "Integrated Design and Control of Renewable Energy Sources for Energy Management." Engineering, Technology & Applied Science Research 10, no. 3 (2020): 5857–63. https://doi.org/10.5281/zenodo.3934808.

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Growing population and expanding industry set off the demand for electrical energy and issues, such as the problem of peak load demand, emerge. To balance the supply and load demand problem, the energy management system has the vital role of Electric Peak shaving with the integration of microgrid into the utility grid. The combination of demand-side management with storable energy sources helps us resolve the matters concerned with the peak load demand. However, in a microgrid, whenever the distributed energy sources are interconnected, the DC bus link voltage will vary due to the inherent beh
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37

Sladić, Saša, Srđan Skok, and David Nedeljković. "Efficiency Considerations and Application Limits of Single-Phase Active Power Filter with Converters for Photoenergy Applications." International Journal of Photoenergy 2011 (2011): 1–8. http://dx.doi.org/10.1155/2011/643912.

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A new way of connecting PV sources to adaptive voltage active power filter (AV APF) has been compared with classic approach including active power filter (APF). In standard active power filter applications a relatively high DC link voltage (500 V or even more) with a buck converter or lower voltage (approx. 100 V) with boost converter can be used. These two converters appear also in adaptive voltage circuit of AV APF, but in this case it is possible to achieve many different connections of DC source. Benefit of this approach is that the same circuit is used for improving switching conditions i
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38

Poun Raj, K., V. Raja Sekaren, S. Selvaperumal, and N. Mageswari. "Performance Investigation of D-Q Model for PI and Fuzzy Controller Based UPFC." Applied Mechanics and Materials 573 (June 2014): 310–16. http://dx.doi.org/10.4028/www.scientific.net/amm.573.310.

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– The unified power flow controller (UPFC) is the most versatile and complex power electronic equipment that has emerged as the indispensable equipment for the control and optimization of power flow in electrical power transmission system. In this manuscript is investigated the control of real and reactive power flow through a transmission line with the use of UPFC at the sending end. Computer simulation using MATLAB Simulink is done and the behavior of the UPFC is studied. In the UPFC based control of transmission line parameter control systems, it is observed that whenever the SSSC sources s
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39

Gaddala, Ravi Kumar, Mriganka Ghosh Majumder, and Kaushik Rajashekara. "DC-Link Voltage Stability Analysis of Grid-Tied Converters Using DC Impedance Models." Energies 15, no. 17 (2022): 6247. http://dx.doi.org/10.3390/en15176247.

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With the integration of renewable energy sources into the power grid, a number of power electronic converters need to be connected together in parallel. Due to this interconnection among the power converters with a common DC bus, the equivalent impedance of the DC network, i.e., DC network impedance (DCNI) of these parallel converters, may vary and can cause oscillations in the DC link voltage (DCLV). In the literature, impedance models of grid-tied converters (GCs) based on the AC side are well reported without including these variations in DCNI. In addition, the dynamics of a phase-locked lo
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40

Sindhura Nunna, Sai Divya, Akhilesh Ketha, Srivastav Sai Goud Padamat, K. Rambabu, Ujwala Anil Kshirsagar, and Abhilash Tirupathi. "A single-phase simplified DC-AC converter using DC-link capacitors and an H-bridge." Bulletin of Electrical Engineering and Informatics 10, no. 6 (2021): 2964–71. http://dx.doi.org/10.11591/eei.v10i6.2788.

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This paper introduces a simplified inverter circuit using a single dc source and an H-bridge with a least possible number of “switching devices”. This topology does not employ multiple “dc sources”, which enhances the reliability of the configuration. The topology consists of two parts, namely: “Level generation parts” as well as “Polarity generation parts”, it is the mixture of some of the switching devices, DC-link capacitor and a single DC source completes the part of level generation. The H-bridge in the proposed structure produces the polarity generation part. A detailed explanation of th
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41

Maamir, Madiha, Achour Betka, and Hania Aboub. "Modeling and Simulation of Energy Management Hybrid Sources System composed of Solar-PV and Battery." International Journal of Energetica 1, no. 1 (2016): 12. http://dx.doi.org/10.47238/ijeca.v1i1.6.

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This paper describes the modeling and control of a hybrid source consisting of PV generator (as main source) along with a battery (as an auxiliary source) and a dc-load are connected through power converters and a dc-link. The main objective of this paper is to design a power manager to control effectively the power of the different sources. To test the effectiveness of the different control techniques involved, simulation results are plotted and commented.
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42

Sai, Divya Sindhura Nunna, Ketha Akhilesh, Sai Goud Padamat Srivastav, Rambabu K., Anil Kshirsagar Ujwala, and Tirupathi Abhilash. "A single-phase simplified DC-AC converter using DC-link capacitors and an H-bridge." Bulletin of Electrical Engineering and Informatics 10, no. 6 (2021): 2964–71. https://doi.org/10.11591/eei.v10i6.2788.

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This paper introduces a simplified inverter circuit using a single dc source and an H-bridge with a least possible number of “switching devices”. This topology does not employ multiple “dc sources”, which enhances the reliability of the configuration. The topology consists of two parts, namely: “Level generation parts” as well as “Polarity generation parts”, it is the mixture of some of the switching devices, DC-link capacitor and a single DC source completes the part of level generation. The H-bridge in the proposed structure produces the polari
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43

Lee, Dong-Geun, and Rae-Young Kim. "Design and Control of Ultra-High-Speed Sensorless Drive with Two-Input Power Source for Portable Consumer Electronics." Electronics 11, no. 7 (2022): 1024. http://dx.doi.org/10.3390/electronics11071024.

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The convenience and usability of portable consumer electronics that require a motor, such as vacuum cleaners and hair dryers, will be greatly improved if both ac and dc two-input power sources can be used. The dc input power is mostly composed of a dc battery, and single-phase voltage is used as ac input power. A converter system capable of converting ac and dc voltage with control technology is required to supply the voltage for motor driving to apply both ac and dc input to the product. Because a limited number of batteries are used to decrease the weight and size of portable products, a sys
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44

Bai, Xuefeng, Yan Zhang, Chang Xu, Zhuyu Zhao, and Jun Wang. "Two-Stage Research on AC/DC Hybrid High-Voltage Distribution Network Based on Network Reconfiguration and SOP Coordinated Control." Journal of Sensors 2022 (August 27, 2022): 1–11. http://dx.doi.org/10.1155/2022/2401475.

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DC power grid has the advantages of large power supply capacity, easy access to clean energy, low loss, and easy power control. With the increasing penetration rate of distributed generation and DC load in low-voltage transmission network, the traditional radial AC distribution form develops into AC-DC hybrid form. Large-scale distributed energy access is an important feature of future distribution system. Aiming at the AC-DC hybrid distribution system with soft tie-in switch and voltage source converter, considering the network congestion caused by large-scale access of distributed energy, a
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45

Ahmad, Javed, Mohammad Zaid, Adil Sarwar, et al. "A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications." Energies 14, no. 9 (2021): 2629. http://dx.doi.org/10.3390/en14092629.

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The growth of renewable energy in the last two decades has led to the development of new power electronic converters. The DC microgrid can operate in standalone mode, or it can be grid-connected. A DC microgrid consists of various distributed generation (DG) units like solar PV arrays, fuel cells, ultracapacitors, and microturbines. The DC-DC converter plays an important role in boosting the output voltage in DC microgrids. DC-DC converters are needed to boost the output voltage so that a common voltage from different sources is available at the DC link. A conventional boost converter (CBC) su
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Seeramshetti, Mamatha, and Mallesham Gaddam. "Performance analysis of interlinking converter exchanging power between AC/DC renewable microgrids with advanced control technique." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 4 (2024): 2344. http://dx.doi.org/10.11591/ijpeds.v15.i4.pp2344-2356.

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In a distribution system there are many types of AC/DC microgrids integrated at different locations. These microgrids may contain conventional or renewable sources which generate power using natural resources. The power generated by these microgrid sources is uncertain as the natural resources are unpredictable. Therefore, powers from these AC/DC micro grids need to be shared so as to compensate the load demand throughout the distribution system. An interlinking converter (ILC) is connected between the AC/DC microgrids operated by a novel advanced PQ control technique. Both the DC and AC micro
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47

Seeramshetti, Mamatha, and Mallesham Gaddam. "Performance analysis of interlinking converter exchanging power between AC/DC renewable microgrids with advanced control technique." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 4 (2024): 2344–56. https://doi.org/10.11591/ijpeds.v15.i4.pp2344-2356.

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In a distribution system there are many types of AC/DC microgrids integrated at different locations. These microgrids may contain conventional or renewable sources which generate power using natural resources. The power generated by these microgrid sources is uncertain as the natural resources are unpredictable. Therefore, powers from these AC/DC micro grids need to be shared so as to compensate the load demand throughout the distribution system. An interlinking converter (ILC) is connected between the AC/DC microgrids operated by a novel advanced PQ control technique. Both the DC and AC micro
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48

Maloth, Naresh. "Power Flow Control in Distributed Generation System of PFC Rectifier for DC Motor Drive." Scientific Bulletin of Naval Academy XXI, no. 2 (2018): 68–79. http://dx.doi.org/10.21279/1454-864x-18-i2-007.

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In this paper is to performance and analysis of grid connected power flow control and power quality improvement in distribution generation (DG) system a new topology of harmonic injection current, connected for a grid mode and DC motor drive. Inherently the system power factor is low and it has high harmonic content in the current. The Swiss rectifier is based on harmonic current injection methods on power flow control and implementation of Power factor correction (PFC), Rectifier, the harmonic mitigating pulse width modulation (PWM) technique have been used to reduce the harmonics for power q
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49

Ge, Xuefeng, Mengxing Chen, Mingming Shi, et al. "A Single-Stage Buck-Boost Three-Level Neutral-Point-Clamped Inverter with Two Input Sources for the Grid-Tied Photovoltaic Power Generation." Mathematical Problems in Engineering 2019 (April 2, 2019): 1–15. http://dx.doi.org/10.1155/2019/3238159.

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This paper proposes a novel single-stage buck-boost three-Level neutral-point-clamped (NPC) inverter with two independent dc sources coupled for the grid-tied photovoltaic (PV) application, which can effectively solve the unbalanced operational conditions generally appearing between two independent PV sources. The proposed control scheme can simultaneously guarantee the maximum power point (MPP) operation of both PV sources and maintain the output waveform quality. Compared to the traditional two-stage PV inverter, the proposed NPC inverter could reduce the PV array voltage requirement and the
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50

Aravind, S. P., and E. Darwin Suthar. "Design & Analysis of Hybrid Micro Grid with DC Connection at Back to Back Converter." Asian Journal of Electrical Sciences 3, no. 1 (2014): 1–10. http://dx.doi.org/10.51983/ajes-2014.3.1.1919.

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A micro grid is a localized grouping of electricity generation, energy storage, and loads that normally operate connected to a traditional centralized grid (macro grid). This single point of common coupling with the macro grid can be disconnected. The micro grid can then function autonomously. Generation and loads in a micro grid are usually interconnected at low voltage. From the point of view of the grid operator, a connected micro grid can be controlled as if it were one entity. Micro grid generation resources can include fuel cells, wind, solar, or other energy sources. The necessity of an
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