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IS200EHPAG1A

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General Electric IS200EHPAG1A Exciter Gate Pulse Amplifier Board converts ESEL commands into firing pulses for the six SCRs of a 100 mm EX2100 bridge.
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Technical specifications for IS200EHPAG1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200EHPAG1A
  • Product Family:
    GE Excitation Control
  • Product Type:
    Exciter Gate Pulse Amplifier Board
  • Stock:
    1
  • System application:
    GE EX2100 100 mm power conversion
  • Bridge interface:
    Six-SCR thyristor bridge
  • Gate command source:
    ESEL board
  • Amplifier quantity:
    One board per power conversion module
  • Input supply:
    Nominal 125 V dc from EPDM
  • Power conversion:
    On-board dc-to-dc converter
  • Feedback duties:
    Conduction, airflow and bridge temperature
  • Thermal-switch option:
    Not available on EHPA boards
  • 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 Bridge Interface Gate Supply Feedback Return Status Display

Features:

  • Drives the six SCR gates of a 100 mm thyristor bridge.
  • Accepts firing commands from the ESEL selector board.
  • Returns conduction, airflow and temperature status from the power bridge.
One gate pulse amplifier is assigned to every EX2100 power conversion module.

The board directly controls bridge SCRs rather than issuing a supervisory software command.

Visual indicators divide power, firing and protection states into separately readable conditions.

For 100 mm bridge-control enquiries, Apter Power can assist with the General Electric IS200EHPAG1A Exciter Gate Pulse Amplifier Board and available documentation.
General Electric IS200EHPAG1A Exciter Gate Pulse Amplifier 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.

Connecting IS200EHPAG1A to the 100 mm bridge

  • Application size: EHPA is the amplifier type selected for 100 mm thyristors.
  • SCR count: The attached three-phase bridge contains six controlled devices.
  • Dedicated board: Each power conversion module receives one amplifier board.
  • Direct control: Gate outputs from the board fire the bridge SCRs directly.

Power path inside IS200EHPAG1A

  • Source: EPDM provides a nominal 125 V dc feed.
  • Conversion: An on-board dc-to-dc stage generates the required gate power.
  • Input range: The converter supports firing across the control-supply operating range.
  • Power status: A dedicated indication separates gate-supply state from firing activity.

Signals returned through IS200EHPAG1A

  • Conduction: Bridge-current activity is reported through the amplifier interface.
  • Airflow: Fan rotation or cooling-flow status reaches the control through this path.
  • Temperature: Thermal monitoring identifies bridge heating conditions.
  • System boundary: The same board carries commands toward the SCRs and status back from the bridge.

Reading IS200EHPAG1A indications

  • Firing state: Output indicators show when gate pulses are being issued.
  • Bridge current: Separate status identifies conduction into the thyristor bridge.
  • Cooling condition: Fan and temperature indications expose cooling-related conditions.
  • Fault separation: Alarm, fault, line-filter and gate-power states are displayed independently.
Description
The General Electric IS200EHPAG1A Exciter Gate Pulse Amplifier Board connects the EX2100 controller to a 100 mm thyristor power bridge. It translates controller firing requests into direct SCR gate drive.

Six commands arrive from ESEL, and IS200EHPAG1A produces the corresponding pulses for the six bridge SCRs. Each power conversion module uses its own gate pulse amplifier rather than sharing one board between bridges.

A nominal 125 V dc feed from EPDM supplies the on-board dc-to-dc converter of IS200EHPAG1A. This conversion stage maintains the gate-power rails across the specified range of incoming control voltage.

Bridge conduction, cooling airflow and temperature status return through IS200EHPAG1A. Front indicators separate firing, current, gate-supply, line-filter, fan and thermal conditions, while the two-switch retrofit feature used with EGPA is not available on EHPA.
Alternative Names
IS200 EHPA G1A General Electric IS200EHPAG1A IS-200-EHPA-G1A GE EX2100 IS200EHPAG1A IS200EHPAG 1A GE IS200EHPAG1A IS 200EHPAG1A I5200EHPAG1A
Technical notes
The two-heatsink thermal-switch retrofit belongs to EGPA; IS200EHPAG1A instead uses the monitoring provisions specified for the 100 mm bridge.
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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.
Can IS200EHPAG1A be used on a 77 mm thyristor bridge?
No. IS200EHPAG1A is assigned to 100 mm bridges; EGPA serves 77 mm devices or smaller.
Why can IS200EHPAG1A show ESEL commands but no gate pulses?
Check the IS200EHPAG1A gate-power indication and its on-board dc-to-dc supply stage.
May one IS200EHPAG1A serve more than one power converter?
No. Each EX2100 power conversion module requires its own IS200EHPAG1A.
Which bridge devices are driven by IS200EHPAG1A?
IS200EHPAG1A converts six ESEL commands into firing pulses for the six bridge SCRs.
How can IS200EHPAG1A reveal a cooling problem?
IS200EHPAG1A reports bridge airflow and temperature conditions through its monitoring and indicators.
Why is two-switch thermal feedback absent from IS200EHPAG1A?
GE excludes that retrofit thermal-switch feature from IS200EHPAG1A and other EHPA boards.
What should be checked when IS200EHPAG1A conduction feedback is missing?
Compare IS200EHPAG1A firing indication with bridge-current feedback before isolating the signal path.