MVME141-2
MVME141-2 即速度控制、轉距控制、PID控制或其他方式。 採取控制方式後,一般要根據控制精度進行靜態或動態辨識。
2、低運行頻率
即電機運行的小轉速,電機在低轉速下運行時,其散熱性能很差,電機長時間運行在低轉速下,會導致電機燒毀。 而且低速時,其電纜中的電流也會增大,也會導致電纜發熱。
3、高運行頻率
一般的變頻器大頻率到60Hz,有的甚至到400Hz,高頻率將使電機高速運轉,這對普通電機來說,其軸承不能長時間的超額定轉速運行,電機的轉子是否能承受這樣的離心力。
4、載波頻率
載波頻率設置的越高其高次諧波分量越大,這和電纜的長度,電機發熱,電纜發熱變頻器發熱等因素是密切相關的。
MVME141-2
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