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Magnet wire insulation for inverter duty motors
Magnet wire insulation for inverter duty motors
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机译:逆变器负载电动机的电磁线绝缘
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摘要
A magnet wire insulation designed to withstand voltage wave shapes present in inverter driven motors for a sustained period of time. A large surface area inorganic oxide, e.g., fumed silica, may be added into the magnet wire insulation for providing improved resistance to insulation degradation. Alternatively, a mixture of the large surface area inorganic oxide with a low resistivity oxide, e.g., chromium oxide, provides a greater improvement in resistance to insulation degradation. The present invention is particularly useful for extending the life of windings in a motor that is subjected to high voltage, steep wave shapes such as those found in inverter driven motors.
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