GE IS200EACFG2ABB Exciter AC Feedback Board

Description

The GE IS200EACFG2ABB is an Exciter AC Feedback Board used in Mark VI excitation systems. It captures and conditions three-phase AC voltage and current signals from PTs and CTs, delivering precise feedback to the controller for stable generator operation.

Specifications

• Model: IS200EACFG2ABB
• System Compatibility: GE Mark VI Excitation Control
• Input Signals: 3-phase AC voltage and current
• Voltage Measurement: Phase-to-neutral or phase-to-phase via PTs
• Current Measurement: CT secondaries (typically 1 A or 5 A)
• Measurement Range: ±10 V nominal (differential input)
• Signal Processing: Differential amplification and isolation
• Output Interface: Three DB9 connectors to controllers M1, M2, and C
• Power Supply: 28 VDC via backplane
• Input Isolation: Optical and galvanic
• Operating Temperature: –40°C to +70°C
• Mounting Method: Rack-mounted within exciter chassis
• PCB Protection: Conformal coated
• Country of Origin: USA

Features

• Precision Feedback: Ensures accurate voltage and current monitoring for excitation control
• Transformer-Based Measurement: Internal transformers provide clean signal conditioning
• Flux Coil Support: Dedicated terminals for two air core coils for current sensing
• Flexible Installation: Supports cable runs up to 90 meters to EBKP backplane
• Robust Isolation: Protects control electronics from electrical noise and transients
• Modular Integration: Interfaces seamlessly with Mark VI controllers and I/O boards
• Industrial Reliability: Built for continuous operation in power generation environments