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明纬电源是否可使用于 45~440Hz ,如果可以,是否有其他的影响?

2020-11-10 15:15

明纬的标准品一般皆可使用于此频率范围内。但使用频率过低,将造成效率的下降,例如:SP-200-24操作于输入电压230VAC及额定负载时,当输入交流电的频率为60Hz,其效率为84%,但若输入交流电的频率降为50Hz,其效率则为83.8%;而过高时会使得具有PFC 功能的机型,其PF数值下降,另外也会造成泄漏电流的增加,例如:SP-200-24操作于输入电压230VAC及额定负载时,当输入交流电的频率60Hz,功率因子为0.93且漏电流为0.7mA;而当输入交流电的频率为440Hz时,功率因子降为0.75,而漏电流增加至4.3mA。

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