XYCOM PM101229

XYCOM PM101229

XYCOM PM101229风机、水泵都属于减转矩负载，即随着转速的下降，负载转矩与转速的平方成比例减小，而具有节能控制功能的变频器设计有V/f模式，这种模式可改善电动机和变频器的效率，其可根据负载电流自动降低变频器输出电压，从而达到节能目的，可根据具体情况设置为有效或无效。

要说明的是，电子热过载保护和频率限制这两个参数是很先进的，但有一些用户在设备改造中，根本无法启用这两个参数，即启用后变频器跳闸频繁，停用后正常。 究其原因有：①原用电动机参数与变频器要求配用的电动机参数相差太大。 ②对设定参数功能了解不够，如节能控制功能只能用于V/f控制方式中，不能用于矢量控制方式中。 ③启用了矢量控制方式，但没有进行电动机参数的手动设定和自动读取工作，或读取方法不当。

XYCOM PM101229 

Reliance Electric 0-52860 VSAA Drive Regulator 052860

Reliance Electric DVDT Interface Board 0-58706-23

Reliance Electric MD65 2HP AC Drive 6MDEN-3P0102

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RELIANCE ELECTRIC CCRA 809.44-00 CONTROL CARD

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