Disclosed is a motor-driving device capable of protecting an inverter from breakdown. First current-protecting section retains reference voltage value Vref1 as a preset value. If the current to be fed into inverter exceeds value Vref1, first current-protecting section shuts off the output of driver and...http://www.google.fr/patents/US7615952?utm_source=gb-gplus-shareBrevet US7615952 - Electric motor driving device, and air conditioner using the same
Electric motor driving device, and air conditioner using the same