GE IS200EDEXG1BAA Exciter De‑Excitation Control Board

FAQ

Q1. What is the primary purpose of the IS200EDEXG1BAA board?
It rapidly dissipates stored generator field energy during emergency shutdowns to protect the excitation system and generator.

Q2. In which excitation system is this board used?
It is used in GE’s EX2100e / Mark VI excitation control systems.

Q3. How does the board control energy discharge?
By firing SCRs (silicon controlled rectifiers) to form a crowbar circuit for controlled energy release.

Q4. What voltage and current levels can it handle?
The module handles high field voltages (up to ~1500 VDC) and peak pulsed currents greater than 1000 A.

Q5. What environmental conditions can it operate in?
It is built to operate from approximately –40°C up to +70°C and withstand industrial environments.

Q6. How is the board mounted?
It mounts inside the excitation cabinet on a panel or backplane slot.

Q7. Does this board provide diagnostic feedback?
Yes, it provides status indications such as fault, ready, and trip via backplane signal lines.

Q8. Is the board protected against harsh conditions?
The PCB is conf

GE IS200EDEXG1BAA

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