K65-12B Voltage Regulator Caterpillar


Wiring Diagrams

Usage:

SR4BHV A4X
The following wiring diagrams are shown below:

Table 1
No. of Generator Leads     Voltage Sensing     No. of Illustration    
6     three-phase     1    
6     single-phase     2    
Attachments    
Cross Current Compensation     3    
Manual Voltage Control     4    

The following notes are referred to throughout each illustration:

Table 2
Note     Comment    
Note 1     Connect the wire to terminal 5 for a 1 Ampere CT. Connect the wire to terminal 5a for a 5 Ampere CT.    
Note 2     Connect the remote voltage adjust rheostat between terminals 6a and 7. Remove the jumper between terminals 4 and 7. The remote voltage adjust rheostat should be rated at 10 kOhm and 2 Watt.
Place the jumper between terminals 6a and 8 for 1 V/Hz underfrequency slope. Remove the jumper between terminals 6a and 8 for 2 V/Hz underfrequency slope. Place the jumper between terminals 6a and 9 for three-phase sensing.
Remove the jumper between terminals 6a and 9 for single-phase sensing.    
Note 3     Connect terminals 2 and 3 to the VAR/PF controller. Short terminals 2 and 3 when the VAR/PF controller is not used.    

Generators with three-phase sensing




Illustration 1g00885737

(CR1-CR6) Rotating rectifiers

(CR7, CR8) Surge suppression diodes

(E1) Positive heat sink

(E2) Negative heat sink

(L1) Exciter field (stator)

(L2) Exciter armature (rotor)

(L3) Revolving field (main rotor)

(L4) Main stator

(L5) PM exciter stator

(M) Rotating permanent magnet

(R2) Remote level rheostat

(R5) Suppression resistor

(RFA) Revolving field assembly

(T1) Voltage droop transformer (option)

Note: Refer to Table 2 for notes.

Generators with single-phase sensing




Illustration 2g00885741

(CR1-CR6) Rotating rectifiers

(CR7, CR8) Surge suppression diodes

(E1) Positive heat sink

(E2) Negative heat sink

(L1) Exciter field (stator)

(L2) Exciter armature (rotor)

(L3) Revolving field (main rotor)

(L4) Main stator

(L5) PM exciter stator

(M) Rotating permanent magnet

(R2) Remote level rheostat

(R5) Suppression resistor

(RFA) Revolving field assembly

(T1) Voltage droop transformer (option)

Refer to Table 2 for notes.

Cross Current Compensation




Illustration 3g00884611

Note: Refer to Table 2 for notes.

Note: Transformer T1 must be a 5 Ampere CT.

Manual Voltage Control




Illustration 4g00884847

(CR1-CR6) Rotating rectifiers

(CR7, CR8) Surge suppression diodes

(E1) Positive heat sink

(E2) Negative heat sink

(L1) Exciter field (stator)

(L2) Exciter armature (rotor)

(L3) Revolving field (main rotor)

(L4) Main stator

(L5) PM exciter stator

(M) Rotating permanent magnet

(R2) Remote level rheostat

(R5) Suppression resistor

(RFA) Revolving field assembly

(T1) Voltage droop transformer (option)

Note: Refer to Table 2 for notes.

Caterpillar Information System:

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