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IS200ERDDH1A

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Within EX2100 bridge-control hardware, the General Electric IS200ERDDH1A is an IGBT Exciter Regulator Interface and Dynamic Discharge Board for gate control, feedback, and dc-link protection.
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Technical specifications for IS200ERDDH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200ERDDH1A
  • Product Family:
    GE Excitation Control
  • Product Type:
    IGBT Exciter Regulator Interface and Dynamic Discharge Board
  • Stock:
    1
  • Supported configurations:
    Simplex and redundant EX2100 regulators
  • Simplex mounting:
    ERBP backplane
  • Redundant mounting:
    ERBP for M1 and ERRB for M2/C
  • Primary interfaces:
    ERIO and ERSC
  • Redundant interface:
    ERRR
  • Gate-drive role:
    Field-excitation bridge control
  • Protection function:
    Dynamic discharge for excessive dc-link voltage
  • Feedback signals:
    DC-link voltage, output current, field voltage, and bridge temperature
  • IGBT monitoring:
    Status and desaturation indications
  • Universal relay control:
    K3 charging relay
  • Simplex-only relay control:
    K41 output contactor
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Gate Drive Discharge Bridge Feedback Redundancy

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.

Apter Power can assist with procurement and original technical-document access for the General Electric IS200ERDDH1A IGBT Exciter Regulator Interface and Dynamic Discharge Board.
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.
Description
General Electric IS200ERDDH1A IGBT Exciter Regulator Interface and Dynamic Discharge Board connects EX2100 regulator commands with the power bridge and its protection circuits.

Through IS200ERDDH1A, gate-control signals travel toward the bridge while operating feedback returns to the regulator, allowing switching requests to be evaluated against power-stage condition.

Protection circuitry on IS200ERDDH1A can trigger dynamic discharge when the dc-link condition becomes excessive. This energy-release path belongs to bridge protection rather than normal regulator output control.

Simplex IS200ERDDH1A hardware uses the ERBP arrangement, whereas redundant equipment adds ERRB paths for the additional channels. Backplane identity and relay population distinguish the installed configuration.
Alternative Names
IS200 ERDDH1A EX2100 IS200ERDDH1A IS200ER00H1A IS200 ERDD H1A General Electric IS200ERDDH1A IS200ERDD H1A IS200-ERDD-H1A GE IS200ERDDH1A
Technical notes
IS200ERDDH1A uses relay K3 in all supported configurations, while the additional K41 relay is specific to simplex operation.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can gate commands be present while feedback is missing around IS200ERDDH1A?
IS200ERDDH1A carries outgoing firing logic and returning bridge indications on distinct paths, so each direction should be traced separately.
What should be checked when dc-link protection involving IS200ERDDH1A is questioned?
For IS200ERDDH1A, verify the monitored dc-link condition and the IGBT-controlled dynamic-discharge path rather than treating it as normal output regulation.
Why can the relay population differ between two IS200ERDDH1A installations?
IS200ERDDH1A uses charging relay K3 in supported arrangements, while the additional K41 bridge-output contactor relay belongs to simplex operation.
Which returned signals help isolate a power-stage problem through IS200ERDDH1A?
IS200ERDDH1A brings back dc-link voltage, bridge output current, field voltage, temperature, and IGBT-status information for controller evaluation.
How does cabinet topology affect an IS200ERDDH1A replacement?
An IS200ERDDH1A in a simplex ERBP arrangement cannot be connected as though it occupied an ERRB path used by redundant channels.
What should be traced when an IS200ERDDH1A firing route does not reach the bridge?
Follow the IS200ERDDH1A command input from regulator logic through its bridge-facing gate path, while keeping the feedback return separate.