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高效節(jié)能電機(jī)主要指一次繞組采用較大的一次繞組，從而可以獲得較高的效率。它主要應(yīng)用于：變頻器驅(qū)動。高效節(jié)能電機(jī)的安裝位置，一般要避開三相不平衡區(qū)，同時要注意散熱及通風(fēng)要求。1.高效節(jié)能電機(jī)可以實現(xiàn)更高的效率，運行穩(wěn)定可靠。高效節(jié)能電機(jī)的特點是效率高，但運行時會產(chǎn)生一定損耗，從而導(dǎo)致設(shè)備成本增加，并對電網(wǎng)有一定沖擊。 [4]高效節(jié)能電機(jī)在負(fù)載變化時，可以實現(xiàn)恒功率運行。 [5]效率提高后，相應(yīng)的

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