GE IS200ERSNG1A EX2100e, REGULATOR SNUBBER

الوصف

The GE part number IS200ERSNG1A is an EX2100e Regulator Snubber board. It’s a crucial component in GE’s Mark VIe Excitation Control System, specifically designed to protect the power electronic components of the exciter’s rectifier bridge from damaging voltage transients. ⚡

Function and Key Features

A snubber circuit is a passive component used to suppress voltage spikes and high-frequency oscillations that occur when switching high-power inductive loads, like a generator’s field winding. The ERSN board provides this protection.

• Transient Voltage Suppression: The board is a passive circuit containing resistors, capacitors, and sometimes inductors. It is placed across the power electronic switches (like SCRs or IGBTs) to absorb the energy from voltage spikes, effectively snubbing the overvoltage before it can damage the semiconductor devices.
• Protection of Power Electronics: Without a snubber circuit, the rapid switching of the exciter’s power devices would create severe voltage transients that could exceed the voltage rating of the SCRs, leading to catastrophic failure. The ERSN board ensures the longevity and reliability of the power section.
• System Integration: The ERSN board is connected directly to the output of the exciter’s regulator and is an essential part of the power electronics assembly.
• Robust Design: Like all GE industrial control components, it’s built to withstand the harsh conditions of a power plant.

Applications

The IS200ERSNG1A is a key component in power generation facilities that have upgraded to the Mark VIe Excitation Control System. It is an essential component for:

• Excitation System Protection: It protects the exciter’s power electronics from overvoltage, which is crucial for preventing equipment damage and ensuring the reliability of the generator’s voltage regulation.
• Power Quality: By suppressing voltage transients, it helps maintain the quality and stability of the power being delivered to the generator’s field.