Woodward EGCP-2 - Figure 7-3. Multiple Unit Parallel Peak Shaving Application

Manual 26076 EGCP-2 Engine Generator Control Package
Woodward 77
LOAD
Run With Load (closed transition)
Switch Common
2
G52a
U52a
Process I/E
Fault #6
Fault #1
3
Mains CB Aux
Gen CB Aux
Run W/LD
Voltage Raise
Voltage Lower
Speed Raise
Speed Lower
1
1
GEN
NLT (No Load Test) or Manual
Mode of Load Transfer =
Mains Parallel
Mode Selector Switch
Auto
Number of Units =
Multiple
GEN
PTs
GEN
CTs
Test
Automatic
Local
PT
Connect
G52
Gen Breaker
Trip
GTC
FUEL
crank
Multiple Mains Parallel Application
Audible
Alarm
Visual
Alarm
+Battery
+Battery
Fuel
Solenoid
Engine
Crank
Engine
Preglow
Mains Breaker
Trip
Mains Breaker
Close
+Battery
+Battery
+Battery
Visual Alarm
Audible Alarm
Preglow relay
Gen Breaker Trip Coil
Engine Crank Relay
Fuel shutoff solenoid
prglw
GCC
Mains
PT Disconnect
Gen Breaker
Close
BUS
PT
+Battery
+Battery
2
3
1
Use fault #1 or #2 input if using a
seperate device to sense Low Oil
Pressure or High Water Temp.
These Fault Inputs have 15 second
delay timers on them after he
engine reaches crank cutoutt
speed.
Gen Breaker Close Coil
-Battery
Only required if the speed and voltage
need to be adjusted when Test
or Manual is selected.
MAINS
See Switch Logic Diagram for Details
Manual
Manual
Manual
.
.
.
Faults #3 through #6 activate immediately,
with programmable delays.
4
4
Manual mode requires manual mains and generator breaker operation.
Manual mode will operate in KW and Voltage Droop.
Application:Peak Shaving Set
Watt
Xducer
Process Input
4-20mA or 1-5VDC
5
5
Transducer input not required
if Process Control Mode is
Not used.
RS-485 LON
To other Uni s
6
6
Only required if "Check Mains Breaker" setpoint
is Enabled. Any unit which may operate as the master
must have these inputs.
VIS-077
01-03-30
MCC
+Battery
Mains Breaker Close Coil
MTC
+Battery
Mains Breaker Trip Coil
Manual
Figure 7-3. Multiple Unit Parallel Peak Shaving Application