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Automatic Voltage Regulator – GRT7-TH4E / GRT7-TH4PE l 9

INDEX

1 SAFETY INFORMATION ............................................................................................ 11

2 STORAGE INFORMATION ......................................................................................... 11

3 INTRODUCTION ......................................................................................................... 11

4 TECHNICAL CHARACTERISTICS ............................................................................. 12

5 REGULATOR NAMEPLATE ....................................................................................... 12

6 BLOCK DIAGRAM ...................................................................................................... 13

7 TRIMPOTS FUNCTION ............................................................................................... 13

8 TRIMPOTS ADJUSTMENT ......................................................................................... 13

9 OPERATION ............................................................................................................... 14

9.1 VOLTAGE REGULATOR .................................................................................................................. 14

9.2 POWER CIRCUIT CONNECTION .................................................................................................... 14

9.3 FIELD FLASHING ............................................................................................................................. 14

9.4 U/F OPERATION .............................................................................................................................. 14

9.5 PARALLEL OPERATION FOR TWO OR MORE ALTERNATORS ................................................... 15

10 CONNECTION DIAGRAMS ........................................................................................ 16

11 DIMENSIONAL DRAWINGS ....................................................................................... 16

12 IDENTIFICATION OF CONNECTION TERMINALS ................................................... 17

13 DIAGRAM FOR TEST WITHOUT ALTERNATOR ...................................................... 17

14 PROBLEMS, CAUSES AND CORRECTIVE ACTIONS ............................................. 18

15 PREVENTIVE MAINTENANCE................................................................................... 18

16 WARRANTY ................................................................................................................ 18

WEG GRT7-TH4E User Manual

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