Caterpillar Digital Voltage Regulator Service (CDVR) Manual

Specifications
Systems Operation
Testing and Adjusting

Table of Contents
Specifications Section
Electrical ……………………………………………………….. 4
Dimensions ……………………………………………………. 7
Systems Operation Section
General Information ………………………………………… 8
Startup Profile Function …………………………………. 10
Loading and Stopping Profile …………………………… 11
Voltage Regulation ………………………………………… 12
Line Loss Compensation ……………………………….. 12
Reactive Voltage Droop …………………………………. 13
Cross Current Compensation …………………………. 14
KVAR Regulation ………………………………………….. 14
Power Factor Regulation ……………………………….. 15
Parameters ………………………………………………….. 16
Remote Communication ………………………………… 17
Testing and Adjusting Section
Testing and Adjusting
General Information ………………………………………. 20
Service Tools ……………………………………………….. 20
Startup Procedure …………………………………………. 21
Parameter Viewing and Configuration (Caterpillar PC
Software) ……………………………………………………. 23
Parameter Viewing and Configuration (Caterpillar
Electronic Technician) ………………………………….. 57
Gain Setting – Adjust ……………………………………… 61
Troubleshooting ……………………………………………. 62
No Voltage – Troubleshoot ……………………………… 62
Low Voltage – Troubleshoot ……………………………. 65
High Voltage – Troubleshoot …………………………… 66
Unstable Voltage – Troubleshoot ……………………… 66
Generator Overcurrent – Troubleshoot ……………… 67
Reverse VAR Condition – Troubleshoot ……………. 68
Poor Voltage Regulation – Troubleshoot …………… 68
No Line Loss Compensation – Troubleshoot ……… 69
No Voltage Droop – Troubleshoot ……………………. 69
Wiring Diagrams …………………………………………… 71