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Constant frequency operation of parallel resonant converter for constant-current constant-voltage battery charger applications 被引量:1
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作者 Taha Nurettin GüCIN Muhammet BIBEROGLU Bekir FINCAN 《Journal of Modern Power Systems and Clean Energy》 SCIE EI CSCD 2019年第1期186-199,共14页
This paper proposes a design and control approach to parallel resonant converter(PRC) based battery chargers.The proposed approach is particularly suitable for the constant-current constant-voltage(CC-CV)charging meth... This paper proposes a design and control approach to parallel resonant converter(PRC) based battery chargers.The proposed approach is particularly suitable for the constant-current constant-voltage(CC-CV)charging method, which is the most commonly utilized one.Since the PRC is operated at two different frequencies for each CC and CV charging modes, this approach eliminates the need for complicated control techniques such as the frequency-control and phase-shift-control.The proposed method not only simplifies the design and implementation processes of the converter unit but also simplifies the design of output filter configuration and decreases the number of the required components for the control of the charger.The proposed method is confirmed by two experimental setups.The results show that the designed charger circuit ensured a very stable constant current in CC charging phase, where the charging current is fixed to 1.75 A.Although a voltage increase in CV phase is observed, the charger circuit is able to decrease the charging current to 0.5 A in CV phase, as depicted in battery data-sheet.The efficiency of the charger is figured out to be in the range of 86%-93% in the first setup, while it is found to be in the range of 78%-88% in the second setup,where a high frequency transformer is employed. 展开更多
关键词 Resonant converter Parallel resonant converter battery charger constant-current constant-voltage(CC-CV)charging
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Cascaded Multilevel Inverter Based Power and Signal Multiplex Transmission for Electric Vehicles 被引量:6
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作者 Yixuan Zhang Guipeng Chen +2 位作者 Yihua Hu Chao Gong Yangang Wang 《CES Transactions on Electrical Machines and Systems》 CSCD 2020年第2期123-129,共7页
Power&signal multiplex transmission(P&SMT)is a technique that uses power electronic circuits for communication signal transmission.In this paper,a three-phase cascaded multilevel inverter-based P&S MT syst... Power&signal multiplex transmission(P&SMT)is a technique that uses power electronic circuits for communication signal transmission.In this paper,a three-phase cascaded multilevel inverter-based P&S MT system is proposed.The proposed method can transmit communication signals without using a Controller Area Network bus,thereby reducing the wiring cost of the conventional electric vehicle(EV)communication system.The designed system can achieve motor speed regulation and battery balance discharging for EVs.With the combined pulse width modulation scheme and frequency shift keying method,both power and communication signals are transmitted successfully in a simulation model implemented in Matlab/Simulink.By evaluating the bit error rate of the transmitted signal,the maximum signal rate of the proposed system is determined as 600 bit/s. 展开更多
关键词 battery state of charge controller area network frequency shift keying motor speed control pulse width modulation three-phase DC-AC converter
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