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VI
CONTENTS
6.1.6 Cleaning ..................................................................................................................................... 266
6.1.7 Replacement of parts ................................................................................................................. 267
6.2 Measurement of main circuit voltages, currents and powers ...... 271
6.2.1 Measurement of powers ............................................................................................................. 273
6.2.2 Measurement of voltages and use of PT.................................................................................... 273
6.2.3 Measurement of currents............................................................................................................ 274
6.2.4 Use of CT and transducer .......................................................................................................... 274
6.2.5 Measurement of inverter input power factor ............................................................................... 274
6.2.6 Measurement of converter output voltage (across terminals P and N) ...................................... 274
6.2.7 Insulation resistance test using megger ..................................................................................... 275
6.2.8 Pressure test .............................................................................................................................. 275
7 SPECIFICATIONS 277
7.1 Rating.............................................................................................. 278
7.2 Common specifications.................................................................. 280
7.3 Outline dimension drawings........................................................... 281
APPENDIX 285
Appendix1 Index........................................................................................................... 286