



The GE IS200EHPAG1ABB is a high-reliability Exciter Gate Pulse Amplifier Board designed for the EX2100 excitation control system. It functions as a critical interface between the ESEL control logic and the SCR power bridge, converting low-level firing commands into precisely timed, high-energy gate pulses.
In turbine generator applications, this module ensures accurate SCR switching, stable excitation control, and real-time feedback monitoring of key operating conditions such as temperature, airflow, and conduction current. Its rugged industrial design supports continuous operation in demanding power generation environments where precision and system protection are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS200EHPAG1ABB |
| Module Type | Exciter Gate Pulse Amplifier Board |
| System Series | EX2100 / EX2100e Excitation System |
| Function | SCR gate pulse amplification and control |
| Controlled Devices | Up to 6 SCR power devices |
| Input Signal Source | ESEL control board |
| Power Supply | 125 VDC (via EPDM module) |
| Feedback Functions | SCR conduction, airflow, temperature monitoring |
| Protection Features | Overtemperature alarm & trip protection |
| Operating Temperature | 0°C to 55°C |
| Temperature Protection | Alarm ~76°C / Trip ~87°C |
| Dimensions | 16 × 16 × 12 cm |
| Weight | ~0.5–0.8 kg |
| Installation | Rack-mounted excitation cabinet module |
| Series Integration | GE Mark VI / EX2100 platform |
Recommended Related Models
For a complete excitation control architecture, this module is typically paired with:
- IS200ESEL Exciter Selector Board
- IS200EPDM Power Distribution Module
- IS200EXAMG Exciter Attenuation Module
- IS200EGDM Ground Detection Module
Popular GE EX2100 Excitation Modules
Widely used components in GE turbine control systems include:
- IS200EHPAG series gate pulse amplifiers
- IS200EXAMG signal conditioning modules
- IS200DSPX control processor boards
- IS200EGDM monitoring modules
- EX2100 excitation system hardware family