Product Description

The IS200EHPAG1BAA is a Gate Pulse Amplifier board engineered for integration into GE EX2100 excitation systems. It serves as the critical interface between the system controller and the power bridge. The board accepts six gate command signals from the ESEL board and amplifies them to generate the precise firing pulses required to trigger the Silicon Controlled Rectifiers (SCRs).

In addition to gate pulse amplification, the IS200EHPAG1BAA provides essential system monitoring and protection. It features current conduction feedback to verify SCR operation and includes inputs for monitoring cooling fan rotation and bridge temperature. This comprehensive functionality ensures stable excitation control and helps prevent operational faults related to overheating or component failure.

Technical Specifications

• Model Number: IS200EHPAG1BAA

• Product Type: Gate Pulse Amplifier Board

• System Compatibility: GE EX2100 Excitation System

• Signal Input: Six gate commands from the ESEL board

• Nominal Power Supply: 125 V DC (supplied by EPDM module)

• Operating Temperature: -30°C to +65°C (-22°F to +149°F)

• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

• Humidity: 5% to 95%, non-condensing

Monitoring & Protection Features

• Current Conduction Feedback: Monitors the operational status of the SCRs.

• Airflow Monitoring: Utilizes fan rotation sensors to verify adequate cooling.

• Temperature Monitoring: Tracks system heat levels to prevent thermal stress.

• Overtemperature Alarm: Activates at 76°C (170°F).

• Fault Trip: Triggers a system trip at 87°C (190°F).

• Status Indicators: Onboard LEDs provide visual status for power, gate command output, bridge current, and cooling fan operation.