摘要
主提升鼠笼式异步电动机变频调速系统的改造,其中以产生SPWM的HEF4752为控制核心,实现了鼠笼式异步电动机变频调速的闭环控制。
The transformation of the frequency controlling system of main hoisting squirrel-cage asynchronous motors realizes the closed-loop frequency control with the HEF4752 that produces SPWM as the core.
出处
《山西科技》
2011年第5期79-80,84,共3页
Shanxi Science and Technology
