Electro-magnetic interference (EMI) and leakage currents ....................................................................................70
3.2
Power supply harmonics.........................................................................................................................................75
3.3
Power shutdown and magnetic contactor (MC)......................................................................................................76
3.4
Countermeasures against deterioration of the 690 V class motor insulation..........................................................77
3.5
Checklist before starting operation .........................................................................................................................78
3.6
Failsafe system which uses the inverter .................................................................................................................81