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The GE part number IS200ERSCG2A is an EX2100 Regulator Static Converter Card. Its primary function is to provide the precise control signals for the static converter within the EX2100 Excitation Control System. This is a key component for the regulator’s operation, as it directly controls the firing of the power electronics. ⚡
Function and Key Features
A static converter is a power electronic circuit that converts AC to DC power. In a generator excitation system, this is used to supply the DC current to the generator’s field windings. The ERSC board controls this process with incredible precision.
- Pulse Generation: The board receives control signals from the main controller (like a DSPX) and then generates a series of timed electrical pulses called “gate pulses.” These pulses are sent to the gate terminals of the SCRs (Silicon Controlled Rectifiers) in the converter.
- Precision Timing: The timing of these pulses is critical. By precisely controlling the firing angle of the SCRs, the board can regulate the amount of DC current flowing into the generator’s field, which in turn controls the generator’s output voltage.
- System Integration: The ERSC card is a crucial part of the control chain. It works in conjunction with the main control card and other I/O boards to form the complete excitation control system.
- Robust Design: Like all GE industrial control components, it’s built to withstand the harsh conditions of a power plant.
Applications
The IS200ERSCG2A is a legacy component primarily found in power generation facilities. It is an essential component for:
- Excitation Control: It is the final link in the control chain that directly regulates the generator’s voltage and reactive power.
- Power Regulation: By precisely controlling the power flow to the generator’s field, it ensures the generator’s output is stable and reliable, which is crucial for maintaining the stability of the electrical grid.
