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VI
CONTENTS
7.1 Inspection items.............................................................................. 212
7.1.1 Daily inspection .......................................................................................................................... 212
7.1.2 Periodic inspection ..................................................................................................................... 212
7.1.3 Daily and periodic inspection...................................................................................................... 213
7.1.4 Display of the life of the inverter parts ........................................................................................ 214
7.1.5 Checking the inverter and converter modules ............................................................................ 214
7.1.6 Cleaning ..................................................................................................................................... 214
7.1.7 Replacement of parts ................................................................................................................. 215
7.2 Measurement of main circuit voltages, currents and powers .......218
7.2.1 Measurement of powers ............................................................................................................. 220
7.2.2 Measurement of voltages and use of PT.................................................................................... 220
7.2.3 Measurement of currents............................................................................................................ 221
7.2.4 Use of CT and transducer .......................................................................................................... 221
7.2.5 Measurement of inverter input power factor ............................................................................... 221
7.2.6 Measurement of converter output voltage (across terminals P and N) ...................................... 221
7.2.7 Insulation resistance test using megger ..................................................................................... 222
7.2.8 Pressure test .............................................................................................................................. 222
8 SPECIFICATIONS 223
8.1 Rating............................................................................................... 224
8.2 Common specifications................................................................... 225
8.3 Outline dimension drawings............................................................ 226
APPENDIX 231
Appendix 1 Specification change................................................................................ 232
Appendix 1-1 SERIAL number check .................................................................................................... 232
Appendix 1-2 Changed Functions ......................................................................................................... 232
Appendix 2 Index........................................................................................................... 233