Mitsubishi Electric A800-GF Instruction Manual page 6

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2.10.2
Connection of the high power factor converter (FR-HC2) ..............................................................................64
2.10.3
Connection of the power regeneration converter (MT-RC).............................................................................65
3 PRECAUTIONS FOR USE OF THE INVERTER 67
3.1
Electro-magnetic interference (EMI) and leakage currents
3.1.1
Leakage currents and countermeasures ........................................................................................................68
3.1.2
Countermeasures against inverter-generated EMI.........................................................................................71
3.1.3
Converter unit (FR-CC2) built-in EMC filter ....................................................................................................74
3.2
Power supply harmonics
3.2.1
Power supply harmonics.................................................................................................................................75
3.2.2
Harmonic Suppression Guidelines in Japan...................................................................................................76
3.3
Installation of a reactor
3.4
Power-OFF and magnetic contactor (MC)
3.5
Countermeasures against deterioration of the 400 V class motor insulation
3.6
Checklist before starting operation
3.7
Failsafe system which uses the inverter
4 PROTECTIVE FUNCTIONS
4.1
Inverter fault and alarm indications
4.2
Reset method for the protective functions
4.3
Check and clear of the fault history
4.4
List of fault displays
5 PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
5.1
Inspection item
5.1.1
Daily inspection...............................................................................................................................................94
5.1.2
Periodic inspection..........................................................................................................................................94
5.1.3
Daily and periodic inspection ..........................................................................................................................95
5.1.4
Checking the inverter and converter semiconductor devices .........................................................................96
5.1.5
Cleaning..........................................................................................................................................................97
5.1.6
Replacement of parts......................................................................................................................................97
5.1.7
Removal and reinstallation of the control circuit terminal block ......................................................................99
5.2
Measurement of main circuit voltages, currents and powers
5.2.1
Measurement of powers ...............................................................................................................................103
5.2.2
Measurement of voltages .............................................................................................................................103
5.2.3
Measurement of currents..............................................................................................................................103
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94
101
5
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