标准摘要
[中文适用范围]: 涉及各类固态控制装置的设计、制造、检验及安装过程,为相关工程实践提供了基础依据。文档详细规定了设备在正常工作条件下的性能表现及异常状态下的保护措施,对保障电力系统稳定运行具有技术支撑作用。该规范在制定过程中充分考虑了国际技术协调需求,为区域市场的技术对接提供了参考框架。 [外文原描述]: This standard applies to controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c.
英文名称Low-voltage switchgear and controlgear - Part 4: Contactors and motor-starters - Section 2: AC semiconductor motor controllers and starters