Features:
- Transfers firing commands from regulator logic toward an IGBT bridge.
- Returns bridge operating feedback to the controller side.
- Hosts dynamic-discharge protection for abnormal dc-link conditions.
IS200ERDDH1A occupies the boundary between low-power regulator electronics and the exciter power-conversion section.
Outgoing gate commands and incoming bridge feedback remain separate signal directions, enabling the controller to compare requested switching with reported condition.
Dynamic-discharge hardware provides a dedicated response to excessive stored dc-link energy and is coordinated with the system topology in which the board is installed.
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General Electric IS200ERDDH1A IGBT Exciter Regulator Interface and Dynamic Discharge Board Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Firing interface
- Command input: Gate instructions arrive from the regulator side.
- Bridge route: The interface carries firing logic toward the IGBT bridge.
- Timing relationship: The command path remains coordinated with regulator state.
- Return path: Bridge indications travel separately toward the controller.
Protective action
- Monitored condition: Protection responds to excessive dc-link level.
- Trigger: The abnormal condition initiates dynamic discharge.
- Switching device: IGBT hardware controls the energy-release path.
- Protection role: The circuit is separate from normal output control.
Returned information
- DC-link voltage: The regulator receives the measured link condition.
- Output current: Bridge current is returned through the interface path.
- Field voltage: Exciter field condition is included in bridge feedback.
- Thermal state: Bridge temperature contributes to power-stage monitoring.
Topology differences
- Simplex backplane: ERBP carries the single-regulator arrangement.
- Redundant backplane: ERRB adds the M2 and C channel paths.
- K3 relay: The charging relay is used in all supported configurations.
- K41 relay: The output contactor relay is specific to simplex operation.