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EMCPII Based SwitchgearEMCPII Based Switchgear

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ECMPII Based Switchgear (Features)ECMPII Based Switchgear (Features)• Modular DesignModular Design• Rugged EMCPII Based ComponentsRugged EMCPII Based Components• Consistent Customer InterfaceConsistent Customer Interface• Caterpillar Parts SupportCaterpillar Parts Support

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ECMPII Based Switchgear (Features)ECMPII Based Switchgear (Features)• ConstructionConstruction–NEMA 1 enclosure NEMA 1 enclosure

for indoor usefor indoor use–Hinged, lockable Hinged, lockable

doors with 2 point doors with 2 point latcheslatches–Powder coat finish, Powder coat finish,

ANSI 61 grayANSI 61 gray

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SwitchgearSwitchgear• Primary Switchgear FunctionsPrimary Switchgear Functions–Power SwitchingPower Switching–Generator SetGenerator Set• ProtectionProtection•MonitoringMonitoring• ControlControl

–Generator Set ParallelingGenerator Set Paralleling

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SwitchgearSwitchgear• General Components UsedGeneral Components Used–Main Circuit BreakerMain Circuit Breaker–Generator Set ControlGenerator Set Control–MeteringMetering–Protective RelayProtective Relay–Control ComponentsControl Components

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SwitchgearSwitchgear• Main Circuit BreakerMain Circuit Breaker– Insulated CaseInsulated Case–Molded CaseMolded Case–VacuumVacuum

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SwitchgearSwitchgear• Generator Set Generator Set

ControlControl–Engine MeteringEngine Metering–Engine ProtectionEngine Protection– Start / Stop Start / Stop

ControlControl

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SwitchgearSwitchgear• MeteringMetering– VoltageVoltage– CurrentCurrent– FrequencyFrequency– WattWatt– Watt HourWatt Hour– VARVAR– Power FactorPower Factor– SynchroscopeSynchroscope

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SwitchgearSwitchgear• Generator / Load Protective RelaysGenerator / Load Protective Relays– 27 Undervoltage27 Undervoltage– 32 Reverse Power32 Reverse Power– 40 Field (Loss of Excitation)40 Field (Loss of Excitation)– 46 Phase-Balance Current46 Phase-Balance Current– 51G Ground Overcurrent51G Ground Overcurrent– 81 Frequency (Over / Under)81 Frequency (Over / Under)– 87 Differential Overcurrent87 Differential Overcurrent

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SwitchgearSwitchgear• Control ComponentsControl Components– SynchronizerSynchronizer– Voltage RegulatorVoltage Regulator– PLC’sPLC’s

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SwitchgearSwitchgear• Paralleling TypesParalleling Types– ManualManual– Semi-AutomaticSemi-Automatic– AutomaticAutomatic

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SwitchgearSwitchgear• ApplicationsApplications– PrimePrime– StandbyStandby– Load ManagementLoad Management

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SwitchgearSwitchgear• Prime PowerPrime Power– Can be Single or Multiple UnitCan be Single or Multiple Unit– Simple or Advanced OptionsSimple or Advanced Options

• Load SheddingLoad Shedding• Load Sense DemandLoad Sense Demand

– Typically Remote LocationsTypically Remote Locations– Unreliable UtilityUnreliable Utility– High Cost UtilityHigh Cost Utility

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SwitchgearSwitchgear

52F

52G

52G

52G

52F

ENGINEAC

GENERATOR

LOAD LOAD

ENGINEAC

GENERATORENGINEAC

GENERATOR

Prime PowerPrime Power

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SwitchgearSwitchgearLOAD CONECTION

52

SYN 25 15

81O

2781U 59

AMPFM 65 WM VARM

* - OPTIONAL

*

*

* * ** * * *

* * * * * *

WHM *

SS SS

SL

SL

ACGENERATO

R

46Q 32 40

ACACGENERATORGENERATOR

VR

ENGINE

EXCITER

PMG

*VM FM

Prime PowerPrime PowerOne LineOne Line

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SwitchgearSwitchgear• Standby PowerStandby Power– Backup PowerBackup Power– Typically integrated with a Transfer SwitchTypically integrated with a Transfer Switch– Can be single or multiple unitsCan be single or multiple units– Similar Options as Prime PowerSimilar Options as Prime Power

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SwitchgearSwitchgearTRANSFE

R SWITCH

52G

52G

ENGINEAC

GENERATOR

LOAD

ENGINEAC

GENERATOR

UTILITYPOWER

Standby PowerStandby Power

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SwitchgearSwitchgear• Transition ModesTransition Modes– OpenOpen

• Load experiences a brief outageLoad experiences a brief outage– ClosedClosed

• Transfer from on source to another is transparent to the Transfer from on source to another is transparent to the loadload

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SwitchgearSwitchgear• Load ManagementLoad Management– IsolatedIsolated– ParalleledParalleled

• Base LoadingBase Loading• Import / Export ControlImport / Export Control

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SwitchgearSwitchgearTRANSFE

R SWITCH

52G

52G

ENGINEAC

GENERATOR

LOAD

ENGINEAC

GENERATOR

UTILITYPOWERLoad ManagementLoad Management

Isolated Isolated

Open or Closed Transition TypeOpen or Closed Transition Type

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SwitchgearSwitchgear• Load Management (Paralleled)Load Management (Paralleled)– RequiresRequires

• Loading Control (kW and kVAR)Loading Control (kW and kVAR)• More Extensive generator protective relaysMore Extensive generator protective relays• Utility Protective RelaysUtility Protective Relays• Utility MeteringUtility Metering• ‘‘Utility type’ equipmentUtility type’ equipment

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SwitchgearSwitchgear

51G

LOAD CONNECTION

52

SYN 15

WT32 40 PFM 65

* - OPTIONAL

*

VARM*

MLC*

SS

SL

SL

ACGENERATOR

VR

ENGINE

EXCITERPMG

46Q*

FMVM

GSC

ALC WM

86

87 *

WHI*

GENERATOR MOUNTED

VARPF

25

81O81U

2747

2747

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SwitchgearSwitchgear• Baseload ControlBaseload Control

0

500

1000

1500

2000

2500

0:00

2:00

4:00

6:00

8:00

10:0

0

12:0

0

14:0

0

16:0

0

18:0

0

20:0

0

22:0

0

TIME

KIL

OW

ATTS

UTILITY

GEN

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SwitchgearSwitchgear• Baseload ControlBaseload Control

0

200

400

600

800

1000

1200

1400

1600

0:00

2:00

4:00

6:00

8:00

10:0

0

12:0

0

14:0

0

16:0

0

18:0

0

20:0

0

22:0

0

EXPORTED

UTILITY

GEN

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SwitchgearSwitchgear• Import ControlImport Control

0

500

1000

1500

2000

2500

0:00

2:00

4:00

6:00

8:00

10:0

0

12:0

0

14:0

0

16:0

0

18:0

0

20:0

0

22:0

0

KIL

OW

ATTS

GEN

UTILITY

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SwitchgearSwitchgear• Export ControlExport Control

0

500

1000

1500

2000

2500

0:00

2:00

4:00

6:00

8:00

10:0

0

12:0

0

14:0

0

16:0

0

18:0

0

20:0

0

22:0

0

EXPORTED

SITE