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关注：1
2013-05-23 12:21
求翻译：1、频率下限主要防止现场操作人员的不当设置，避免电机因运转频率过低可能产生的过热或者其他的机械故障。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
1、频率下限主要防止现场操作人员的不当设置，避免电机因运转频率过低可能产生的过热或者其他的机械故障。
问题补充： |
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2013-05-23 12:21:38
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2013-05-23 12:23:18
1, frequency range mainly to prevent the improper settings on-site operating personnel to avoid electrical because too low frequency operation possible overheating or other mechanical failure.
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2013-05-23 12:24:58
1st, the lower frequency limit mainly prevents the scene operator not when establishes, because avoids the electrical machinery the revolution frequency excessively being low possibly has superheat or other mechanical breakdowns.
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2013-05-23 12:26:38
1, the frequency lower primary prevention field operations personnel incorrectly set, avoid possible overheating of the motor operating frequency is too low, or other mechanical problems.
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2013-05-23 12:28:18
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