【作者】 方如举；

【Author】 FANG Ru-ju Xuchang University,Xuchang 461000,China

【机构】 许昌学院电气信息工程学院；

【摘要】 针对一条输电线路在农网改造过程技术要求,为了保证电网的供电电压质量、保证电网设备运行的安全性和可靠性,需要对整个系统进行合理的串联无功补偿进而来提高电力输电线路对电力设备的供电电压。通过计算补偿前的线路末端电压数值以及要达到的补偿要求,计算出所需要补偿的无功功率数值。根据所选电容器的型号来确定电容器数量极其联结方式。并从电压和电流两个边界条件对所配备的电力电容器进行校验和重新选择。从而完成输电线路串联补偿电容器的选择和配置工作。更多还原

【Abstract】 In allusion to engineering requirements of electric transmission line in the process of rural network modification,the whole system needs a reasonable series of reactive power compensation which can further improve supply voltage of transmission lines,in order to assure the quality of power supply voltage power supply voltage and assure security and reliability of network system equipment.Through calculating uncompensated line-terminal voltage and the need to meet the requirements of compensation, calculated the reactive power compensation numerical.Amount and connecting method of power capacitor are confirmed,according to selected model number.Further the power capacitor is selected reasonably from the voltage and current.After selected capacitor is checked,the selection and configuration of serial compensation capacitor are completed.更多还原