The GE IS200EDEXG1BAA is an Exciter De-Excitation Control Board used in GE EX2100 and EX2100e excitation systems. It is designed to safely discharge stored energy from the generator field during shutdowns, trips, or fault conditions, protecting both the turbine-generator and excitation system from overvoltage damage.
This module works in coordination with EMIO and EXTB control boards, triggering controlled SCR firing to collapse field voltage in a stable and predictable manner. It is a key safety component in modern power generation systems, ensuring reliable emergency response and system stability.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS200EDEXG1BAA |
| System Series | EX2100 / EX2100e Excitation System |
| Module Type | Exciter De-Excitation Control Board |
| Function | Controlled generator field energy discharge (SCR-based) |
| Control Interface | EMIO / EXTB coordination |
| Input Power | 24 VDC (internally regulated to system rails) |
| Protection Functions | Overvoltage suppression, fault-triggered discharge |
| Feedback System | Conduction sensing + status monitoring |
| Operating Temperature | -30°C to +65°C (turn0search0) |
| Storage Temperature | -40°C to +85°C |
| Installation Type | Rack-mounted excitation cabinet module |
