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          Apter Power supports DS200EXDEG1A quotations, English technical information, and EX2000 module matching.

        DS200EXDEG1A

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        General Electric DS200EXDEG1A provides SCR gate control for generator-field discharge in an EX2000 de-excitation module.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for DS200EXDEG1A

        • Manufacturer:
          General Electric
        • Part Number:
          DS200EXDEG1A
        • Product Family:
          GE Excitation Control
        • Product Type:
          De-Excitation Control Board
        • Stock:
          1
        • Functional Acronym:
          EXDE
        • Controlled Device:
          53 mm or 77 mm SCR
        • Control Inputs:
          Two independent paths
        • Firing Criteria:
          Control input or SCR break-over voltage
        • Parallel SCR Support:
          Synchronized firing
        • Sensor Interfaces:
          JCX and JCY
        • 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 Protection Integration Monitoring Applications

        Features:

        • Fires a 53 mm or 77 mm SCR in the EX2000 de-excitation module.
        • Responds to either control input or an SCR break-over voltage condition.
        • Synchronizes multiple EXDE boards when parallel SCR paths are installed.
        DS200EXDEG1A works with the conduction-sensor board and field-discharge hardware to create a controlled path for stored generator-field energy.

        Separate firing circuits and sensor paths preserve independent triggering channels in larger de-excitation assemblies.

        One EXDE board is assigned to each SCR; a master-and-follower arrangement coordinates boards when the system uses multiple parallel devices.

        The General Electric DS200EXDEG1A De-Excitation Control Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        General Electric DS200EXDEG1A De-Excitation Control Board Manuals,Datasheets,Link 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.

        Diagnostics & Protection

        • Voltage Limiting: The discharge path restrains generator-field voltage as the breaker or contactors open.
        • Contactor Energy: Field energy is diverted away from the opening contactors.
        • Break-Over Trigger: The SCR can fire when anode-to-cathode voltage exceeds the break-over level.
        • Conduction Feedback: Separate sensor circuits detect current through the de-excitation SCR.

        Installation & Integration

        • Physical Stack: A steel magnetic core and mounted sensor assembly flank the SCR on the sheet-metal base.
        • SCR Pairing: Each 53 mm or 77 mm SCR requires its own firing-control board.
        • Sensor Cables: JCX and JCY connect the board to the two conduction sensors.
        • Role Selection: Hardware jumpers assign master or follower operation.

        Monitoring & Control

        • Control Input 1: The first logic path can command the SCR firing circuit.
        • Control Input 2: A second independent path provides another firing command.
        • Power Separation: Each firing channel uses a separate supply and conduction sensor.
        • Status Indication: Green indicators monitor P5, N24, and P24, while red indication identifies detected conduction.

        Applications

        • Normal Shutdown: The module removes stored field energy during an orderly generator stop.
        • Emergency Shutdown: The same discharge path acts when an emergency stop is initiated.
        • EX2000 Exciter: EX2000 assemblies place EXDE at the center of the field-discharge hardware.
        • CV2000 System: The board is also used in the CV2000 Cycloconverter de-excitation module.
        Description
        Positioned at the center of the EX2000 de-excitation module, General Electric DS200EXDEG1A serves as the primary firing board and is also used with the CV2000 Cycloconverter. A routine stop or emergency trip causes the assembly to drain stored energy from the generator field.

        Built around the field-discharge function, General Electric DS200EXDEG1A operates with a Conduction Sensor board, a steel flux-concentrating core, a 53 mm or 77 mm SCR, and the module mounting base. This arrangement places firing control and current detection within the same de-excitation assembly.

        Either of two control inputs can command General Electric DS200EXDEG1A to fire the SCR. A separate break-over path also triggers conduction when SCR anode-to-cathode voltage exceeds the configured threshold, limiting field voltage and reducing the energy dissipated in the field contactors.

        For each installed SCR, General Electric DS200EXDEG1A provides a dedicated firing board and receives conduction feedback through the JCX and JCY sensor connections. Master and follower arrangements allow several boards to issue synchronized pulses when the de-excitation module uses parallel SCR branches.
        Alternative Names
        DS200-EXDE-G1A DS200 EXDE G1A DS 200 EXDE G1A GE DS200EXDEG1A General Electric DS200EXDEG1A EX2000 EXDE Control Board DS200EXDE De-Excitation Board DS20OEXDEG1A
        Technical notes
        General Electric DS200EXDEG1A controls EX2000 de-excitation SCR firing through two command inputs or a break-over voltage condition. One board serves each SCR, with synchronized firing supported for parallel branches.
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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.
        VIEW ALL FAQS
        During which events does General Electric DS200EXDEG1A operate?
        General Electric DS200EXDEG1A initiates field-energy discharge during both normal generator shutdown and emergency shutdown.
        What hardware surrounds General Electric DS200EXDEG1A inside the module?
        Around General Electric DS200EXDEG1A, the de-excitation assembly groups current-sensing hardware with its SCR and magnetic core on a common base.
        How is a firing command created for General Electric DS200EXDEG1A?
        Two independent command channels can initiate gate action through General Electric DS200EXDEG1A, and the voltage-dependent backup path responds at the designated break-over threshold.
        Can General Electric DS200EXDEG1A coordinate parallel SCRs?
        Yes. Multiple General Electric DS200EXDEG1A boards can provide synchronized firing pulses for parallel SCR branches.
        Which sensor connections are used by General Electric DS200EXDEG1A?
        JCX and JCY connect General Electric DS200EXDEG1A to the two conduction-sensor circuits through 10-pin ribbon cables.
        What must be matched before installing General Electric DS200EXDEG1A?
        Match General Electric DS200EXDEG1A to the SCR size, master or follower position, sensor cabling, supply path, and de-excitation module arrangement.

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