Selection of Current Transformer for Low-voltage Distribution System

Hu Dai（China Tianjin Chemical Engineering Design Institute，Tianjin 300193，China）

Abstract The selection and verification of current transformers in low-voltage distribution system are analyzed in this paper, and some viewpoints about some problems that are common and easy to overlook are put forward.

Key words Current transformer Current deviation Phase difference Excitation current

 

摘 要 分析了在低压配电系统中电流互感器的选用和校验，对一些常见和容易忽视的问题提出了一些看法。

关键词 电流互感器 电流误差 相位差 励磁电流