柴油发电机组带脉冲负载储能补偿试验研究

Study on energy storage compensation test of diesel generator set with pulse load

柴油发电机组带脉冲负载引起系统交流电压畸变、交流频率波动以及直流电压振荡,为改善系统电能质量、提高稳定裕度、增强系统带负载能力,本文提出了在直流侧加储能控制以提升系统稳定性。储能电池一方面可作为系统的冗余备用,一方面可以降低直流侧母线电压波动,进而改善交流侧电能质量,满足负荷对电源的需求。在直流侧配置储能单元改善柴油发电机-整流器的运行特性,搭建储能补偿柴油发电机组带脉冲负载试验平台,验证本文提出的方法。

diesel generator set with pulse load causes system AC voltage distortion, AC frequency fluctuation and DC voltage oscillation. In order to improve the power quality of the system, improve stability margin and enhance load capacity of the system, this paper proposes adding energy storage control on DC side to improve the stability the system. Energy storage battery can be used as redundant backup of the system, and it can also reduce the voltage fluctuation of DC side bus, improve the power quality of AC side and meet the demand of load for power supply. The energy storage unit is configured on the DC side to improve the operation characteristics of diesel generator rectifier, and the energy storage compensation diesel generator set with pulse load test platform is built to verify the method proposed in this paper.