IS200EACFG1A – Exciter AC Feedback Board

The IS200EACFG1A is a critical component of the GE EX2100 excitation system, serving as the Exciter AC Feedback Board. It plays an essential role in monitoring and transmitting accurate AC signal feedback to the controller, enabling stable and responsive generator voltage regulation. Designed by General Electric, the board ensures that real-time operational data from the exciter is collected, processed, and used for efficient excitation control.

This board receives AC voltage and current signals from the generator and exciter field and processes these analog signals into usable digital feedback. These inputs are vital for the control loops within the EX2100 system, as they help maintain synchronization, voltage levels, and reactive power regulation. The IS200EACFG1A provides galvanic isolation between input and output signals, improving safety and reducing electrical noise interference in sensitive control circuits.

It is typically mounted within the exciter control cabinet and connected directly to PTs (potential transformers) and CTs (current transformers) to obtain real-time feedback. The board is also engineered to withstand harsh industrial environments, with strong resistance to temperature variations, electrical surges, and mechanical vibrations.

In addition, the IS200EACFG1A includes self-diagnostic capabilities that allow maintenance personnel to monitor board status and quickly identify failures or discrepancies. This minimizes downtime and enhances the overall reliability of the system. Its modular form factor ensures easy replacement and integration during field servicing or upgrades.

Overall, this board is vital for high-performance, closed-loop control in excitation systems, particularly where fast response and precise control are required in power generation applications. It contributes significantly to the reliable operation of turbines in power plants, substations, and other industrial environments.

Key Features:

• Real-time AC feedback for voltage and current signals

• Designed specifically for GE EX2100 excitation systems

• Galvanic isolation for electrical safety and signal integrity

• Interfaces with PTs and CTs

• Enables precision voltage regulation and stability

• Diagnostic capabilities for maintenance support

• High durability for industrial applications

• Modular, easy-to-replace design

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