有源电子式电流互感器高压侧电源的研究

电流互感器是电力系统中的重要设备,介绍一种适用于有源电子式电流互感器的悬浮式直流电源的设计原理。提出一种用补偿线圈和充电电池相结合的方法对母线电流取能方式进行改进的新方案,使电源在更宽的一次侧电流动态范围内满足电子式电流互感器对电源的要求。实验结果表明,该电源能够满足高压侧电子电路的供能要求。该方法是目前解决有源电子电流互感器高压侧电源问题的有效方法之一。

Research of the High Potential Circuit Power Supply for Active Electronic Current Transformer

The current transformer is an important equipment in power system.The principle of a floating type DC power supply is introduced,which is used in the active electronics current transformer at high voltage side.This paper proposes a new method combining compensation coil and rechargeable batteries,to improve the method that take power from bus current and to make the power meet electronic current transformer requirements in a wider current of high voltage side.The results show that it can satisfy the requirements of the high potential circuit power supply.It is one of effective method to solve active electronic current transformer high potential circuit power supply.