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The GE part number IS200EACFG2A is an AC Feedback Card for the EX2100 Excitation Control System. Its primary function is to measure and provide feedback of the generator’s alternating current (AC) output, which is crucial for the EX2100 system to accurately regulate the generator’s output voltage. ⚡
Function and Key Features
The EX2100 is a digital control system that regulates the output voltage of a generator by controlling the field exciter. To do this accurately, it needs precise feedback on the generator’s AC output. The EACF board is the component that provides this feedback.
- AC Signal Measurement: The board receives signals from current transformers (CTs) and potential transformers (PTs) that are measuring the generator’s AC voltage and current. It converts these high-voltage/current AC signals into low-level signals that can be processed by the system’s digital controller.
- Feedback Loop: This feedback is essential for the EX2100’s control loop. The controller compares the measured AC output with the desired setpoint and makes adjustments to the exciter to correct for any deviations. This ensures the generator maintains a stable and consistent voltage.
- System Integration: The EACF card works in conjunction with the main control card (like a DSPX) and other I/O boards to form the complete excitation control system.
- Robust Design: Like all GE industrial control components, it is built to withstand the harsh conditions of a power plant, including high voltages, vibrations, and electromagnetic interference.
Applications
The IS200EACFG2A is a legacy component primarily found in power generation facilities. It is an essential component for:
- Generator Control: It provides the data necessary for the EX2100 system to precisely control the generator’s voltage and reactive power.
- Grid Stability: By ensuring the generator’s output is stable, it plays a key role in maintaining the stability and reliability of the electrical grid.
- Power Plant Automation: It is an integral part of the automation system for the generator, helping to manage startup, shutdown, and normal operation.
