浅谈微机型电动机综合保护装置在火电厂的应用前景

Application Prospect of Microprocessor Based Motor Protection Apparatus in Thermal Power Plant

交流异步电动机启动电流大，持续时间长，电磁型保护无法解决启动时保护误动和运行中可靠性差之间的矛盾，而微机型保护即可解决此矛盾，并对电机有较好的保护作用。微机型电动机保护应用在火电厂中，将有效地提高机组运行的安全性和经济性，其应用前景十分广阔。

Alternate motor have some features such as larger startup current,long startup duration,these Features would result in error startup of electromagnetic protection apparatus.And the micro processor based motor protection apparatus can solve the problem and have a good application prospect in thermal power plant.The paper gives a full introduction to this new protection apparatus.