Overview

The IS200EHPAG1AED Exciter Gate Pulse Amplifier Board plays a vital role in generator excitation control. It receives low-level gate commands from the system’s controller and amplifies them into high-voltage pulses that trigger six silicon-controlled rectifiers (SCRs). These SCRs regulate the flow of current to the generator field, maintaining voltage stability under varying load conditions.

Moreover, the EHPAG1AED board is designed for high-speed response and robust operation in industrial environments. It integrates seamlessly into GE’s Mark VI and EX2100 excitation platforms and is typically mounted in the I/O cabinet. In addition to its core function, the board supports fault detection and thermal protection, helping prevent misfires and overheating.

Therefore, this module is essential for power plants that demand precise excitation control, including steam, gas, and hydroelectric facilities.

Technical Data

Typical Applications

• Generator Excitation Systems: Controls SCR firing for field current regulation.

• Power Bridge Interface: Acts as a gate driver between controller and SCRs.

• Industrial Generator Control: Used in petrochemical, mining, and manufacturing sectors.

• Fault Monitoring and Protection: Supports thermal protection and misfire detection.

• System Retrofits: Compatible with legacy Mark VI and EX2100 installations.

For instance, during generator startup, the EHPAG1AED board ensures synchronized SCR firing to establish stable excitation. Additionally, its fault monitoring features help protect the system from thermal stress and electrical anomalies.

FAQ

Q1: What does the IS200EHPAG1AED board do?
A1: It amplifies gate pulses to control six SCRs in excitation systems.

Q2: Is it compatible with EX2100 and Mark VI systems?
A2: Yes, it integrates seamlessly with both platforms.

Q3: What voltage does it operate on?
A3: It uses a nominal 125 VDC input supplied by the EPDM module.

Q4: How is it mounted?
A4: It is rack-mounted inside the excitation I/O cabinet.

Q5: What industries use this module?
A5: Industries include power generation, oil & gas, and heavy manufacturing.