实现分区均衡的直流配电系统控制方法研究OA北大核心CSTPCD
Research on Control Strategy of DC Distribution Grid with Balanced Load Ratio Between Connected AC Zones
利用直流配电网中电压源变流器主动控制传输功率的能力,可以实现多个配电分区之间的潮流交换.提出一种基于下垂控制的互联配电分区负载率均衡控制方法,根据配电分区主变容量设定下垂斜率系数,运行中动态调整各电压源变流器下垂功率参考值,实时保证互联的各个配电分区运行在相同的负载率水平.在PSCAD中搭建交直流配电系统电磁暂态仿真模型进行仿真分析,验证了所提方法的有效性.
Active power exchange between different AC zones can be controlled precisely by VSC power controlling. A droop control strategy was proposed which could achieve balanced load ratio between connected AC distribution zones. Firstly droop gradient was calculated according to transformer capacity of different AC zones. And then power reference of droop control was dynamically adjusted during operation of each voltage source converter. Load ration of different AC…查看全部>>
曾杰;张弛;袁志昌;曾嵘;余占清;姚大伟;赵伟;钟国彬;胡伊凡
广东电网有限责任公司电力科学研究院,广东 广州 510080广东电网有限责任公司电力科学研究院,广东 广州 510080清华大学电机系,北京 100084清华大学能源互联网创新研究院,北京 100084清华大学电机系,北京 100084清华大学能源互联网创新研究院,北京 100084清华大学电机系,北京 100084清华大学能源互联网创新研究院,北京 100084清华大学电机系,北京 100084
信息技术与安全科学
直流配电网电压源变流器交流配电分区下垂控制负载率均衡
DC distribution gridvoltage source converter(VSC)AC distribution zonedroop controlbalanced load ratio
《电气传动》 2019 (9)
46-51,6
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