配电低压线路保护的选择性探讨

The selection of low- voltage distribution line protection

叙述了《低压配电设计规范》对保护和保护选择性要求，强调了低压保护电器的选型和整定，指出了当前配电低压线路设计中存在的普遍问题，提出了解决的探讨方案，对简易、经济的有选择性的断路器提出了想法。

The selection of low voltage lines protection is not clear, easy to malfunction and other problems. This paper describes the request of protect and protect selection in ＂Design standard in low voltage distribution＂, emphasizes on the selection and setting for low - voltage protection device, pointes out the common problems of the desigt~, in low voltage distribution line, proposes the solution, and put forward ideal on simple and economic circuit breaker.