1. cut off the power if we do not use the frequency invertera. frequency inverter is electrical product, even you take it as standby application, it is better to make power on for emergency usingb. there are electrolytic capacitors in the inverter, users should charge and discharge it periodicallyc. with power on but no using, there is only current in the control circuit, so it will not cause electric energy loss and life reduce 2. it is better to choose big capacity frequency invertera. use big capacity inverter could meet heavy load application, but the cost is highb. for normal applic...
发布时间:
2016
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05
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03
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