摘要
变频调速技术是20世纪90年代涌现出来的一种新的交流调速技术,现广泛应用于国民经济和人民生活的各个领域,文中阐述了变频调速技术的原理及防雷问题。
The technique of frequency-conversion governing is newly developed in the 1990s, which is widely used in every domain in national economy and people's life. This paper discusses its fundamentals and the issue of protection against lighming.
出处
《长沙民政职业技术学院学报》
2005年第2期57-58,共2页
Journal of Changsha Social Work College