大金商用机房精密空调FNVQ203AABD工厂恒温恒湿7.5KW 3P单冷
In the UPS charger design, a common practice is to take powerfrom the DC bus, and charge the battery after reducing voltagethrough the circuit. In this way, it provides a flexible way todeal with the energy feedback of the motor: whether in the mainsmode or in the battery mode, the excess energy is transferred tothe battery storage through the charger.
大金商用机房精密空调FNVQ203AABD工厂恒温恒湿7.5KW 3P单冷