GE IS200EHPAG1DAB Gate Pulse Amplifier

GE IS200EHPAG1DAB Gate Pulse Amplifier  
Description:
IS200EHPAG1DAB is part of GE EX21000 series Gate Pulse Amplifiers. IS200EHPAG1DAB board (for 100mm systems) interfaces the control tothe Power Bridge. IS200EHPAG1DAB takes the gate commands from the ESEL board in the controller, and generates the gate firing pulses for six SCRs (Silicon ControlledRectifiers). It is also the interface for current conduction feedback, and bridgeairflow and temperature monitoring.

The gate pulse amplifiers directly control the SCRs.

An RTD is used to monitor the bridge temperature and generate alarms. Additional sensors actuated by fan rotation monitor cooling airflow across the bridge. On anexciter controls only retrofit, the exciter may have provisions for accepting feedbackfrom two thermal switches mounted on the SCR heatsink assemblies. One thermalswitch 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 retrofittinginto the existing bridge. If either switch opens, a bridge overtemperature alarm isgenerated. If both switches open, a fault and a trip are generated.

Note: Because there are many products in our company, the pictures cannot correspond one by one. Please contact me for confirmation

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Relay protection SR469 starts with SR369 starts with SR489 starts with SR750
IS200 / IS215 / IS220 / IS420 / DS200 / DS215 / VMIVME beginning 7750, 7807
(4) TIconex (invensys) series products 3721350, 3435, 1 B, 3625300, 9
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FCP270/FCP280/FBM201… FBM242
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Motorola: MVME 162, MVME 167, MVME5500, MVME6100 and other series.