基于城区无功补偿装置解决低电压问题的方案研究  

Research on Solution of Low Voltage Problem Based on Urban Reactive Power Compensation Device

作　　者：陈冠宇 CHEN Guanyu(Guangdong Power Grid Co.,Ltd.,Zhaoqing Power Supply Bureau,Zhaoqing 526000,China)

机构地区：[1]广东电网有限责任公司肇庆供电局,广东肇庆526000

出　　处：《通信电源技术》2023年第21期67-69,共3页Telecom Power Technology

摘　　要：通过设计一种基于电压控制的单相无功补偿装置,以解决城区低电压问题。具体方案包括单相无功补偿电容器的选型与参数计算、电压型无功补偿继电器的工作原理与设计、单独控制的无功补偿控制器的设计与功能实现、基于电压偏差的无功分段投入策略以及电容串并联切换技术的应用。通过该方案的实施,可以提高城区低电压台区用户的电压水平,改善供电设备和用户侧的电力质量。By designing a single-phase reactive power compensation device based on voltage control,the problem of low voltage in urban areas is solved.The specific scheme includes the selection and parameter calculation of single-phase reactive power compensation capacitor,the working principle and design of voltage-type reactive power compensation relay,the design and function realization of independently controlled reactive power compensation controller,the reactive power input strategy based on voltage deviation and the application of capacitor series-parallel switching technology.Through the implementation of this scheme,the voltage level of users in urban low-voltage stations can be improved,and the power quality of power supply equipment and users can be improved.

关 键 词：城区电网 低电压问题 无功补偿装置 单相无功补偿 

分 类 号：TM761.12[电气工程—电力系统及自动化]