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1.
SAFETY INFORMATION .................................................................................................................................. 11
2.
STORAGE AND TRANSPORT ........................................................................................................................ 11
3.
INTRODUCTION ............................................................................................................................................... 11
4.
TECHNICAL CHARACTERISTICS .................................................................................................................. 12
5.
NOMENCLATURE OF WEG ANALOG VOLTAGE REGULATORS ............................................................... 13
6.
BLOCK DIAGRAM ............................................................................................................................................ 13
7.
IDENTIFICATION LABEL ................................................................................................................................. 14
8.
FUSES ............................................................................................................................................................... 15
8.1
PROTECTION FUSE ............................................................................................................................................ 15
8.2
FUSE FOR THE INTERNAL POWER SUPLLY .................................................................................................... 15
9.
TRIMPOTS FUNCTION .................................................................................................................................... 15
10.
TRIMPOTS ADJUSTEMENT ............................................................................................................................ 16
11.
LED INDICATION ............................................................................................................................................. 16
12.
OPERATION ..................................................................................................................................................... 16
12.1
VOLTAGE REGULATOR ...................................................................................................................................... 16
12.2
POWER CIRCUIT CONNECTION ........................................................................................................................ 16
12.3
VOLTAGE BUILT UP ............................................................................................................................................ 17
12.4
PARALLEL OPERATION WITH TWO OR MORE GENERATORS ....................................................................... 17
13.
PROTECTIONS ................................................................................................................................................. 17
13.1
U/F PROTECTION ................................................................................................................................................ 17
13.2
ANALOG INPUT .................................................................................................................................................... 18
13.3
DIGITAL INPUT ..................................................................................................................................................... 19
14.
FIRST USE ........................................................................................................................................................ 19
15.
CONNECTION DIAGRAM WRGA-02 .............................................................................................................. 20
15.1
15.2
15.3
15.4
15.5
SENSING VOLTAGE ............................................................................................................................................ 24
16.
CONNECTION DIAGRAM WRGA-02/D ........................................................................................................... 25
16.1
CONNECTIONS IN A GENERATOR WITH PMG AND THREE-PHASE SENSING VOLTAGE ........................... 25
16.2
SENSING VOLTAGE ............................................................................................................................................ 26
17.
DIMENSIONS OF WRGA-02 MODELS (MM) .................................................................................................. 27
18.
DESCRIPTION OF THE TERMINALS AND JUMPERS CONNECTIONS FOR WRGA-02 MODEL .............. 28
19.
WRGA-02 MODEL COMPONENT IDENTIFICATION ..................................................................................... 29
20.
DIAGRAM FOR TESTING THE WRGA-02 WITHOUT GENERATOR ............................................................ 30
21.
DIMENSIONS OF MODEL WRGA-02 /D (MM) ................................................................................................ 31
22.
DESCRIPTION OF TERMINAL AND JUMPER CONNECTIONS FOR WRGA-02/D MODEL ....................... 32
23.
COMPONENT IDENTIFICATION OF THE WRGA-02/D MODEL .................................................................... 32
24.
DIAGRAM FOR TESTING THE WRGA-02/D WITHOUT GENERATOR ........................................................ 33
25.
PT SPECIFICATION FOR POWER SUPPLY .................................................................................................. 34
26.
PT SPECIFICATION FOR SENSING VOLTAGE ............................................................................................. 34
27.
CT SPECIFICATION FOR PARALLELISM ...................................................................................................... 34
28.
DEFECTS, CAUSES AND SOLUTIONS .......................................................................................................... 35
INDEX
Automatic Voltage Regulator - GRT7-TH4-R2
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