电厂闭式水泵永磁调速器改造的经济效益分析

赵勇1，张春杰1，王刚1，杨金发1，周丽萍2，李文武3

Analysis on economic benefit of reformation of permanent magnet speed controller of closed water pump in a power plant

ZHAO Yong1, ZHANG Chunjie1, WANG Gang1, YANG Jinfa1, ZHOU Liping2, LI Wenwu3

华电技术 . 2015, (3): 38 -41 .