Avr (Automatic Voltage Regulator); Avr Connector - MMD Equipment SDG25S-6A7 Service Manual

3.2.4 AVR (Automatic voltage regulator)

SDG25S-6A7,SDG45S• | 150S-6A6(AVR model : DST-100-2FA/2FA4)
( 4)
(1)
(2)
(3)
(4)
(5) Time constant, ADJ

AVR CONNECTOR

Line color
1 Brown
2 Red
3 Orange
6 pins
4 Yellow
(female)
5 Green
6
1 Brown
2 Red
3 Orange
9 pins
4 Yellow
(female)
5 Green
6
7 Purple
8 Gray
9
3. Electrical Parts
Name
V. F. ADJ V/Hz adjust variable resistor
VOLT. ADJ Voltage setting variable resistor
STAB. ADJ Stability adjust variable resistor
CPR Over-excitation protection circuit protector
Time constant adjustment
Connection
Hand trimmer
Hand trimmer
NIL
No.5 of connector 6P
No.4 of connector 6P
NIL
Generator cable No.3
Generator cable No.4
Generator cable E3
Generator cable J
Generator cable K
NIL
Generator cable U
Generator cable V
NIL
9 Pin(female)
1:Brown 4:Yellow 7:Purple
2:Red 5:Green 8:Gray
3:Orange 6: • ^ 9:
Function
Variable resistor 2kƒ ¶
To get corner frequency 57Hz, No.5
connector 6P and No.4 connector 6P short
circuited
AVR power supply (Generator cable No.3
& No.4)
Detect generator output voltage between
generator cable No.3 and E3
Field winding of exciter
Field winding of exciter
Auxiliary winding
Auxiliary winding
3-9
(5)
(1)
( 2)
( 3)
6 Pin(female)
1:Brown 4:Yellow
2:Red 5:Green
• ^ 3:Orange 6: • ^
Remarks
5W
SG06019