The test results show that commutation performance of the D. C. motor is better.
试验结果表明这种直流电动机的换向性能是较好的。
This has the advantages of simplicity, reliability, high frequency accuracy, strong commutation ability and less strict demand for SCR off-time the paper concludes with a list of the test results.
该变频调速系统具有简单、可靠、频率精度高、换流能力强和对可控硅关断时间要求不高等优点。最后给出了试验结果。
Combining the principle of commutation fault with real test phenomena, the reasons of the whole incident are analyzed, and the method to deal with this accident is described and explained.
通过将换相失败的原理与实际的试验现象相结合，分析了整个事故原因，并对事故解决方法进行了描述和解释。
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