GE EX2100 用户手册

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Potential transformers (PTs)

2

3-phase standard, single-phase available

120 V ac nominal
1 VA nominal burden

Current transformers (CTs, 1 or 5 A)

2

Any two phases, single phase is available

1 VA nominal burden

86G dedicated contact input

1

Open for trip

52G dedicated contact input

1

Closed for online

Trip rated contact outputs

2

At 125 V dc the relay break characteristics are:

Resistive load 0.5 A
Inductive load 0.2 A

General Purpose contact inputs

6

Customer contact, 70 V dc supplied by ECTB

General Purpose Form C contact outputs

4

At 125 V dc the relay break characteristics are:

Resistive load 0.5 A
Inductive load 0.1 A

± 10 V differential amplifier input

1

Control
Automatic ac Voltage Regulation

Proportional + Integral, software implemented
± 0.25 % over full voltage range

Manual dc Voltage regulator

Proportional + Integral, software implemented
± 2.0 % over full voltage range

Protection Features

Under Excitation Limiter, (UEL)
Over Excitation protection (76)
Generator Field Ground detection (64F)
Generator Overvoltage protection (24G)
Loss of Excitation protection (40)
V/Hz limit (24) and trip (24T)
Bridge Over Temperature (26)
Field Over Temperature (49)
Phase Unbalance (22)
PT Failure (60)

Environmental Control & Protection
Base controls cabinet

Continuous operation in a 0 to 40 ºC ambient environment

Base power bridge and auxiliary cabinet

Continuous operation in a 0 to 40 ºC ambient environment, with 5 to 95%
humidity, non-condensing

Storage Temperature

-40 ºC to +70 ºC

Humidity

5 to 95% humidity, non-condensing

Altitude

Normal operation at 0 to 1000 m. Derate 6% per 1000 m above 1000 m

Cooling

Forced air cooling required for PCM cabinet

Contaminants, withstand 10 PPB of
these:

Reactive Sulfur, Reactive Chlorine, Hydrogen Sulfide
Sulfur Dioxide,   Chlorine Dioxide,     Sulfuric Acid
Hydrochloric Acid,  Hydrogen Chloride,  Ammonia

Vibration
Seismic

Universal Building Code (UBC) – Seismic Code section 2312 Zone 4

Shipping

72 hours at 0.3 G rms between 4 to 16 Hz
3 shocks of 15 G, 2 ms impulse for all three axes

Operating/Installed at Site

1.0 G Horizontal, 0.5 G vertical at 15 to 150 Hz