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English Translations » 历史存档[信息] » 【Joint Study*】【Electrical Version 20160309】

【Joint Study*】【Electrical Version 20160309】

2016-03-09View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. The key to controlling the forward and reverse rotation of a three-phase asynchronous motor is to change ( ). A. Power supply voltage B. Power supply phase sequence C. Power supply current D. Load size
Reply #22016-03-09
The key to controlling the forward and reverse rotation of a three-phase asynchronous motor is to change (B). A. Power supply voltage B. Power supply phase sequence C. Power supply current D. Load size
Reply #32016-03-09
B. Power supply phase sequence! ~~~~~

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Translated at 2026-07-21 00:44:34

Original: https://bbs.hcbbs.com/thread-1566146-1-1.html

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