摘要
介绍了MG4 0 0 / 92 0WD电牵引采煤机变频调速系统的结构。
The structure,work rule and haulage characteristic of ac variable of frequency speed_regulating system of MG400/920WD electric haulage coal winning machine are introduced.
出处
《煤炭技术》
CAS
2002年第8期11-12,共2页
Coal Technology
关键词
电牵引
交流变频
调速
调制
electric haulage
?ac variable frenquency
?speed_regulating
?modulation
