GE IS200EDEXG1BAA Exciter De-Excitation Control Board

Description

The GE IS200EDEXG1BAA is a De-Excitation Control Board used in EX2100e excitation systems. It safely dissipates stored generator field energy during emergency shutdowns, protecting equipment from overvoltage and ensuring system stability.

Specifications

• Model: IS200EDEXG1BAA
• System Compatibility: GE EX2100e Excitation System
• Function: Controls SCR firing for de-excitation
• Voltage Hold-Up Circuit: Retains voltage on ±24 VDC rails
• Power Input: 24 VDC, internally regulated to 125 VDC
• Mounting: Panel-mounted inside excitation cabinet
• Dimensions: 33.02 cm × 10.16 cm
• Operating Temperature: –30°C to +65°C
• Country of Manufacture: USA
• Warranty: 1 year
  

Features

• SCR Firing Control: Manages silicon-controlled rectifier activation for energy discharge
• Conduction Sense Feedback: Monitors SCR status for precise control
• Voltage Retention: Maintains de-excitation capability during power loss
• Emergency Shutdown Response: Initiated by EMIO board when field breaker/contactors open
• Signal Transfer Logic: Routes de-excitation signals to SCR circuits via EXTB board
• Industrial Reliability: Conformal coated PCB for harsh environments
• Fast Reaction Time: Prevents voltage spikes and system instability during shutdown