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1.0 INTRODUCTION
EGCP-03 is a 3-phase Automatic/Manual Generator Controller module that includes protection for GEN-SETS. Use
of advanced micro controller in the design platform provides easy and trouble free control and operation mechanism
of GEN-SETS in case of failure of mains power. Upon failure of mains power (due to faults like loss of power, over
voltage, under voltage, phase reversal, phase unbalance etc.), EGCP-03 initiates Start Cycle including transfer of load
to GEN-SET by using the Generator contactor. When the mains power gets restored, the load gets automatically
transferred back to the mains and the GEN-SET stops after a cool-down time. During runtime, the GEN-SET is
protected against malfunction. All alarms occurring at abnormal GEN-SET conditions are computed and displayed
either via LED or on the LCD through alphanumeric messages.
Values of over/under voltage, frequency and overload current, cooling-down time are programmable. EGCP-03
provides Forty-five programmable parameters to suit customer’s needs.
1.1. FEATURES
45 Programmable Parameters, Programmable Site Code
Programmable Current Transformer Ratio
Display of 3 Phase Generator voltage, 3 Phase Mains voltage, 3 Phase Load Current
Frequency and RPM, 11 Digital Inputs, 12 Digital Outputs
Outputs for Mains and Generator contactor
KWH for Mains and DG Set, Power Factor of R, Y, B Phases,
99 Fault Log Data & DG start-stop events, DG Battery Voltage monitoring
Remote Monitoring of parameters RS232 on request
Three Phase OR Single Phase selection (3 Phase EB/3Phase OR 3 Phase EB/1 Phase DG)
1.2 OPERATION
EGCP-03 has two basic operating modes, namely AUTO and MANUAL mode. In AUTO mode, EGCP-03 controls the
GEN-SET automatically according to the parameter settings. Two push buttons (“START” and “STOP”) have been
provided to operate the engine manually (MANUAL mode).
AUTO MODE:
To enter into the AUTO mode Switch ON the Auto/Manual Switch of the Control Panel to “AUTO” Position. “AUTO
MODE OPERATION.” message will be displayed on the LCD.
Mains Fail:
When mains power fail due to any fault in the system, EGCP-03initiates an auto-start sequence to start the
GEN-SET. After successful start of the GEN-SET, the load is transferred from mains to EGCP-03automatically.
However, in case of phase reversal, “Phase Reverse Message” appears on the LCD for corrective action.
Starting Sequence: -
Crank will be given to the Generator. The LCD will display “DG START MODE….” message.
If the Generator starts within the number of attempts set in the program (programming parameter no.8), the load will get
shifted to the Generator. If the Generator does not start within the programmed number of attempts, “FAIL TO
START” message will be displayed for corrective action.
Restoration of Load to Mains Power:
When mains supply returns to normal condition, EGCP-03 will transfer the load automatically from generator
to mains after “mains restore time” (programming parameter no.4), through the mains contactor. The generator cool-
down time will start thereafter. During the cool-down period the generator will run without load.
