SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Caterpillar


Voltage Connections

Usage:

Three Phase

The connections for both high and low voltage are given in the following diagrams.


TYPICAL LOW VOLTAGE CONNECTION

The terminals must be connected securely and insulated with a good quality electrical tape.


TYPICAL HIGH VOLTAGE CONNECTION

Single Phase Current From A Three-Phase Generator

Three phase and single phase current can be taken simultaneously from a generator connected for three phase service. Connecting the load to any two of the three phase leads will provide single phase voltage at the same voltage as three phase power. Connecting the load to any phase lead and to neutral will produce voltage at 58% of the three phase voltage. DO NOT exceed the nameplate current rating for any one phase.

Single phase power taken from a three phase source can be a problem unless the single phase loading is equally distributed.

Caterpillar Information System:

SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Neutral Connections
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Generator Lead Connections
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Generator Identification
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Safety
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Model Views
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Foreword
D379, D398, D399 INDUSTRIAL AND GENERATOR SET ENGINES When Required
D379, D398, D399 INDUSTRIAL AND GENERATOR SET ENGINES Every 4000 Service Hours
D379, D398, D399 INDUSTRIAL AND GENERATOR SET ENGINES Every 2000 Service Hours
D379, D398, D399 INDUSTRIAL AND GENERATOR SET ENGINES Every 1000 Service Hours
D379, D398, D399 INDUSTRIAL AND GENERATOR SET ENGINES Maintenance Periods for Engine Filters, Oils, and Breather(s)
D379, D398, D399 INDUSTRIAL AND GENERATOR SET ENGINES Every 500 Service Hours
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Generator Performance
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Generator Set Control Panel (If Equipped)
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Generator Set Control Panel (If Equipped)
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Generator Set Control Panel (If Equipped)
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Oilfield Generator
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Single Unit Operation
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Parallel Operation
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Load Division-(Speed Droop)
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Circulating Currents
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Parallel Operation of Governors
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Parallel Operation of Governors
SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Electronic (2301) Governor
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