GE IS200EHPAG1DAB Exciter Gate Pulse Amplifier Board

GE IS200EHPAG1DAB

The EGPA board interfaces the control to the Power Bridge. EGPA takes the gate commands from the ESEL board in the controller, and generates the gate firing pulses for six SCRs (Silicon Controlled Rectifiers). It is also the interface for current conduction feedback, and bridge airflow and temperature monitoring.

On a new exciter, an RTD is used to monitor the temperature and generate alarms instead of the Klixon switches. Additional switches actuated by fan rotation monitor cooling air flow across the bridge. On an exciter controls only retrofit, the exciter may have provisions for accepting feedback from two thermal switches mounted on the SCR heatsink assemblies. One thermal switch opens at the alarm level (170 °F (76 °C)) and the other at the trip level (190 °F (87 °C)). These switches are wired to the EGPA board and may require retrofitting into the existing bridge. If either switch opens, a bridge overtemperature alarm is generated. If both switches open, a fault and a trip are generated.

Technical Specifications

100% brand new and original,All the goods will be tested before shipment.

For the in stock items, we will send the order out within 5-7 days after receive the payment.

Global supplier of quality automation and control components.

Topteng offers a 12-month warranty from the date of delivery.

In the event of non-conforming product ( if damaged or incorrect product is received ),

Any nonconformity must be reported within 7 days of receipt of goods.

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