A Four-port Bidirectional DC-DC Converter for Renewable Energy-Battery-DC Microgrid System

Ning, Jiahong; Zeng, Jianwu; Du, Xia

doi:10.1109/ecce.2019.8912185

Cited by 16 publications

(10 citation statements)

References 8 publications

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“…The parameters considered for comparison are number of components, HV port gain, number of bidirectional (BD) ports, and number of unidirectional (UD) ports, efficiency, and cost. The proposed MPC is having operability as that of the converters in references [14][15][16][17][18][19][20][21][22][23][24][25] and is devoid of coupled inductors for high voltage port. The proposed converter possesses a non-isolated high voltage port with a boost configuration and the converter gain is regulated for output and input modes ascertained by ( 3) and (5), respectively.…”

Section: Comparison With Some Similar Topologiesmentioning

confidence: 99%

“…The high voltage at the load port is obtained using a coupled inductor and a transformer. Another four port converter with two unidirectional input ports for connecting renewable energy sources and two output ports is presented in reference [14]. Renewable energy ports and a battery port are operated at low voltages and a high voltage DC load port is attained through the isolated coupled inductors.…”

Section: Introductionmentioning

confidence: 99%

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A non‐isolated bidirectional high gain integrated multiport converter for grid tied solar PV fed telecom load

Sheeja

Kalpana

Singh

et al. 2022

IET Power Electronics

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A multiport converter (MPC) with a non-isolated high gain bidirectional port is proposed for the grid integration of solar photovoltaic array (SPA) fed telecommunication load. The SPA along with a battery energy storage (BES) meets the power demand of the telecom DC load and the excess/deficit power is exchanged with AC grid. The MPC feeds the DC link of a voltage source converter for bidirectional operation with the AC grid. The small signal analysis of the converter shows that its operation is stable. The SPA, BES, and telecommunication load are rated for lower voltages, consecutively reducing the complexity with series-connected SPA. The proposed MPC possesses the merits of high voltage gain, reduced inductor size, and reduced number of components. Moreover, a power flow management algorithm is devised for the proposed converter that regulates the DC voltage at the telecom load and ensures smooth power flow control among various ports. The MPC is able to operate at various modes by controlling the ports independently. The converter performance during steady state and dynamic operating conditions under various modes are analyzed with detailed simulation studies. An experimental prototype is developed and test results are demonstrated to prove the viability of the designed converter.

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Section: Comparison With Some Similar Topologiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A non‐isolated bidirectional high gain integrated multiport converter for grid tied solar PV fed telecom load

Sheeja

Kalpana

Singh

et al. 2022

IET Power Electronics

View full text Add to dashboard Cite

show abstract

“…4. The effectiveness test of the logic controller for the bidirectional converter [27][28] is done to regulate the charge and discharge of the battery pack.…”

Section: Contribution Of This Papermentioning

confidence: 99%

Design and Simulate an Off-Grid PV System with a Battery Bank for EV Charging

Mohamed¹,

Mohamed²

2020

ujeee

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This paper presents the control and design of a stand-alone photovoltaic (PV) system with a battery bank for an electric vehicle (EV) battery charging. It also describes the necessary requirements and power electronic converters design for the EV battery charging station. The design of a bidirectional converter to allow for bidirectional power flow control to regulate the charging and discharging of the battery bank is presented. The PV system connected to the battery bank system is used to enhance the power output of renewable energy sources, regulate electrical power to effectively charge batteries, draw maximum power from solar panels, and provide a high-quality DC output for electric vehicle charging. The PV is the primary power source of the system, and a battery bank is used as a backup storage system. A comparison between the performance both of lithium-ion batteries and lead-acid batteries based on using it as a backup storage system for the off-grid PV system is presented. The proposed system has been designed and simulated in the MATLAB-Simulink environment. The effective performance of the proposed station for EV battery charging is achieved through the simulation results. A proposed charging station cost estimation is performed to present a powerful index of the proposed charging station's effectiveness.

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“…In [11], a power management strategy utilizing a PV-battery system is described to distribute the required power for load to maintain the load voltage. In [12,13], it is suggested that taking into account several power units will strengthen the control approach. However, the mentioned literature does not consider the control of positive and negative voltage in DC networking with multiple elements.…”

Section: Introductionmentioning

confidence: 99%

Coordinated control strategy based on voltage balancer in the bipolar DC network with PV power generation

Ming,

Li,

et al. 2023

Fourth International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2023)

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In the bipolar DC network, the unbalanced loads and distributed power generations will result in unbalanced voltage on the DC bus and load side. The unbalanced voltage will lead to power losses and influence the regular operation of the power system. Voltage balancer (VB) can be introduced to adjust the unbalanced voltage in the bipolar DC network. This paper studies the regulation of unbalanced voltage in a bipolar DC network with voltage source converter (VSC), photovoltaic (PV) power generation and energy storage system (ESS) with the participation of VB. In this paper, it is proposed that the coordinated control based on VB can realize the voltage regulation of all parts in the bipolar DC network. It is pointed out that the proposed control strategy can realize adaptive adjustment of voltage droop coefficient. The MATLAB/Simulink platform is built to verify the effectiveness of the proposed coordinated control method for DC bus and load voltage regulation.

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A Four-port Bidirectional DC-DC Converter for Renewable Energy-Battery-DC Microgrid System

Cited by 16 publications

References 8 publications

A non‐isolated bidirectional high gain integrated multiport converter for grid tied solar PV fed telecom load

A non‐isolated bidirectional high gain integrated multiport converter for grid tied solar PV fed telecom load

Design and Simulate an Off-Grid PV System with a Battery Bank for EV Charging

Coordinated control strategy based on voltage balancer in the bipolar DC network with PV power generation

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