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7/27/2019 Power Module Switchgear
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POWER MODULE SWITCHGEAR
(LOW AND MEDIUM VOLTAGE)
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PM component
circuit
protection
Wiring connection
panel
Radiator fan motor
contactor
Transformer primary
breaker
Transformer for
distribution
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Alarm module
GSC
Touch screen
GMR
UMR
Compartment for
generator circuit breaker
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Power converter
Input =18
32 DCVOutput = 24DCV
Others
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Watt transducer
Provides input to the PLC during
automatic operation
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Isochronous / Droop - switch
Isochronous mode : to give constant
engine speed for variable loads
synchronization
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PLC
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GSC
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Pressing power meter key :
Less than 5 sec :stop scrolling on one
particular parameter
More than 5 sec : additional power meter
functions will scroll .
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Power metering parameters
Total real power KW
Total reactive power KVAR
Percentage of rated power -%KW Power factor (average)
Total energy out put
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Additional power metering
parameters
Real power of phase A,B,C KW
Total apparent powerKVA
Power factor of phase A,B,C Total energy output (KW/H)
Total reactive energy output (KVARHr)
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Relays
K1 electronic governor relay EGR
K2 generator fault relay GFR .
K3 crank termination relay CTR .
K4 starting motor relay SMR .
K5 run relay RR .
K6 air shutoff relay ASR .
K7 fuel control relay FCR .
K8 programmable spare relay PSR .
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Touch screen display
E.GPower up
Engine stopped
Engine starting
Engine running
Voltage
availableSystem starting
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Annunciate screen
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Trip events - GMR Trip events - UMREvents of genset
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Metering screen
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Setup screen
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Alarm screen
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POWERDISTRIBUTIONPANEL
Standardequipment
Optional
equipment
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Circuit protection for power
distribution
Radiator blower motor
Generator breaker line
side
Distribution trans.sec.
Generator breaker load side
Distribution trans.pri.
Generator breaker load side
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Generator circuit breaker
Indicatorfor breaker
trip
Shunt trip
Spring release
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Contactors
Equipped with thermaloverloads to protect
against :-
Motor failure
Motor cable failure
Switchgear failure
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GMR
Protects against :-
1\ Reverse power
2\ Loss of excitation
3\ Under voltage
4\ Under frequency5\ Over current
Also obtain informationabout:
Three phase ac volts ,current ,frequency ,watts and powerfactor
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UMR
Protects against :-
1\ Under frequency
2\ Over frequency
3\ Under voltage
4\ Over voltage
Also obtain informationabout :-
Three phase AC volts, current,frequency , watts , VARs ,and power factor.
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Switches
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ALM
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Battery charger