GE IS200EDEXG1AEA Exciter De-Excitation Module

Description

The GE IS200EDEXG1AFA is a De-Excitation Module used in the EX2100 Excitation Control System. It plays a critical role in safely dissipating residual energy from a generator during shutdown. This board is designed to provide conduction sensing feedback, voltage retention during power failure, and controlled SCR de-excitation firing.

Specifications

• Model: IS200EDEXG1AFA

• Series: EX2100 Excitation Control

• Function: Bridge and protection board for generator shutdown

• Input Voltage: 24 VDC (converted internally to 125 VDC)

• Communication Protocol: Modbus TCP/IP

• Operating Temperature: –40°C to +70°C

• Dimensions: 100 mm × 80 mm × 20 mm

• Weight: Approx. 3.5 lb

• Manual Reference: GEI-100466

• Revision: A-rated functional revision

• Manufacturing Origin: GE Energy, Salem, Virginia, USA

Key Features

• Energy Dissipation: Safely discharges stored generator energy during shutdown

• Voltage Retention: Maintains voltage during power failure for reliable SCR firing

• Conduction Sensing: Hall effect sensors monitor field current discharge

• Dual Shutdown Modes: Supports both operator-initiated and automatic shutdowns

• Robust Protection: Equipped with capacitors, resistors, and voltage-limiting components

• Modular Integration: Works with EXTB and ESPM modules within the EX2100 system

• Industrial Durability: Coated PCB suitable for harsh environments

• Application Areas: Power generation, petrochemical, mining, marine, and heavy industry