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IS200EDEXG1BBB GE Control Board

IS200EDEXG1BBB special de-excitation control PCB for EX2100e excitation rack, core function to control generator field winding rapid demagnetization under emergency shutdown, short-circuit fault and overspeed condition; controls discharge resistor switching to consume residual excitation energy and avoid generator overvoltage damage, equipped with independent fault diagnosis circuit for power plant generator protection system.
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IS200EDEXG1BBB Basic Information
Brand: General Electric (GE)
Model No.: IS200EDEXG1BBB
Order Code: IS200EDEXG1BBB
Product Name: DEX De-Excitation Control Board
Country of Origin: United States
HS Code:8538909100
Dimension:242mm×150mm×31mm
Net Weight:1.02kg


Input Parameters
1. Power Input: Dual redundant 24VDC &125VDC station DC power supply input
2. Digital Input: Field breaker status, fault trip dry contact 24VDC signal input
3. Analog Input: Rotor excitation voltage/current feedback analog signal from sampling board
Output Parameters
1. Power Control Output: High-power relay output to drive de-excitation discharge resistor contactor
2. Bus Output: Working status & fault code digital data to main controller via backplane bus
3. Local Alarm Output: LED indication & passive alarm contact output
Working Condition:-30℃~+65℃

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