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link 4.09.2007 12:45 |
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Subject: have normally stated limits for how much distortion is allowed обычно имеет установленные пределы допущения искажений?The classification rules have normally stated limits for how much distortion is allowed, and in practice if the THD is less than 5% on the main switchboard voltage, harmonic distortion should not cause any problem on the distribution system and normal equipment. |
| да |
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