Digital guide
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GE IS200ECTBG2A
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Product Name: GE EX2100 IS200ECTBG2A Exciter Contactor Terminal Board
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Product Description: This board manages the interface between the excitation control logic and the high-power contactors that control the generator field. It handles the switching of the exciter and main field circuits.
Detailed content
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Structural Features:
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Relays: Contains 10 integrated relays, including 4 Form-C (changeover) relays for versatile control logic.
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Inputs: Provides 6 auxiliary contact inputs for monitoring the physical status of circuit breakers and contactors.
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Connectors: Features two large terminal blocks for robust power connections and several headers for ribbon cable connections to the controller.
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Material Composition: Fabricated using industrial-grade FR-4 fiberglass PCB material with gold-plated edge connectors to resist corrosion. The enclosure and mounting hardware are made from galvanized steel or high-impact thermoplastics.
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Working Principle: Receives low-voltage signals from the Excitation Regulator (ER) card. These signals activate the onboard relays, which in turn provide the necessary power to pull in or drop out the large external contactors controlling the generator field current.
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Application Scenarios: Critical for the safe startup, shutdown, and operational control of generators in power plants. It ensures that the excitation system can be de-energized quickly in the event of a fault.
