对于轻载调压使铜损等于铁损的这一节能方法而言，在线辨识出电机的参数是一个关键点。
In order to implement an energy-saving method which keeps iron loss equal to copper loss using variable-voltage in light load, induction motor parameter identification at any moment is a key problem.
该调制方法引入了负载反馈机制，有效解决了轻载和空载输出电压不可控的问题。
This modulation method effectively solves the problem of output voltage is not controllable with light load and no-load by the introduction of feedback mechanism to it.
提出了以电流为反馈量进行负载跟踪，实现电机轻载节能的控制方法。
A control method of combining the current feedback and load tracking controller is presented.
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