GE IS200EDEXG1AEA Exciter De-Excitation Control Board

Description

The GE IS200EDEXG1AEA is a De-Excitation Control Board used in EX2100e excitation systems. It controls the safe discharge of generator field energy during emergency shutdowns, protecting equipment from overvoltage and electrical stress.

Specifications

• Model: IS200EDEXG1AEA
• System Compatibility: GE EX2100e Excitation System
• Function: Controls SCR firing for de-excitation
• Power Input: 24 VDC (converted to 125 VDC internally)
• Mounting: Panel-mounted inside excitation cabinet
• Communication: Interfaces with EMIO and EXTB boards
• Operating Temperature: –30°C to +65°C
• Dimensions: 14 × 9 × 3.25 inches
• Weight: 0.5 kg
• Warranty: 1 year
• PCB Protection: Conformal coated for industrial environments

Features

• SCR Firing Control: Regulates current flow for smooth energy discharge
• Conduction Sense Feedback: Monitors SCR status for precise firing sequences
• Voltage Retention: Maintains system stability during power interruptions
• Emergency Shutdown Response: Activates when field breaker or contactors open
• System Integration: Works with EMIO (Exciter Main I/O) and EXTB (Exciter Terminal Board)
• Fast Reaction Time: Prevents abrupt voltage surges and system instability
• Industrial Reliability: Designed for turbine generator protection in critical applications