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The IS200DSFCG1ACA model is part of the Mark VI IS200 series from General Electric. This model was designed as a 1000/1800 Amp Gate Driver/Shunt Feedback Board. This model is a revision of the G1 group, which is used in source applications where the AC input is 600 V LL rms.



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  • Part Number: IS200DSFCG1ACA
  • Manufacturer: GE Boards & Turbine Control
  • Series: Mark VI IS200

IS200DSFCG1ACA Technical Specifications

Part Number IS200DSFCG1ACA
Series Mark VI IS200 Turbine Control System
Manufacturer General Electric Company USA, GE Industrial Systems
Instruction Manual GEI-100263
Functional Acronym/Abbreviation DSFC
Model Description 1000/1800 Amp IGBT Gate Driver/Shunt Feedback Board
Group Variation G1
Mounting Location Directly to Upper and Lower IGBT Modules

Product Description

The IS200DSFCG1ACA is a combination IGBT Gate Driver/Shunt Feedback board from the Mark VI Speedtronic line.  This series of circuit boards originally manufactured by General Electric were used in association with gas and steam turbine control systems.  The IS200DSFCG1ACA is rated at 1000/1800 amps. It includes a fault detection circuit along with two IGBT gate drive circuits and a current sensing circuit.  Both the feedback and driver circuits have been optically and galvanically isolated. 

The IS200DSFCG1ACA is a nearly square circuit board with four factory-drilled mounting holes, one per corner. There are additional eyelet connectors throughout the body of the board. The board also features stab-on and plug connectors for output phase voltage sensing and DC link voltages.  

Additional components on the IS200DSFCG1ACA include five LED indicators marked DS1 through DS5, which display the DC link and IGBT driver status.  The board is also populated with resistors and resistor network arrays, capacitors, a transformer, over twelve integrated circuits, and three transistors. There are two LED colors on the DSFC board. The yellow LED indicates when the IGBTS are on or off; when the LED is on, it indicates that the IGBTS are driven on. The green LED will be on when the IGBTs are driven off.

For additional information about the IS200DSFCG1ACA, including detailed information regarding proper installation and handling procedures, please refer to the GEI-100263 instruction manual. The manual also contains a block diagram of the DSFC board, which is located on page three of the manual. 

Frequently Asked Questions about IS200DSFCG1ACA

What are the faults that can be detected by the driver circuits on the IS200DSFCG1ACA board?

Two fault types can be detected on the IS200DSFCG1ACA model through the driver circuits. The faults are a desaturation fault and an undervoltage fault. The faults will be reported through a multiplexed differential fault for both lower and upper IGBT circuits. The undervoltage fault will be indicated when the voltage between the +15 and -15 V supplies drops below 20 V. The desaturation fault on the IS200DSFCG1ACA model will be indicated when the gate driver is commanded to turn the IGBT on, and the voltage drop between the collector and emitter of the IGBT is monitored; when the voltage exceeds 10 V for longer than four microseconds a desaturation fault will be called. When the desaturation fault has occurred on the DSFC model the BPIB board will operate the DSFC board in burst mode, where a PWM signal of 2 MHz is used to slowly decrease the gate voltage to zero. 

Reviews For IS200DSFCG1ACA

Internal Review

Each of these boards contains both plug and stab-on connectors and LED indicators. The board also has mounting eyelet connectors. The board does not include configurable hardware or fuses. When the DSFC module is being used in applications where an 1800 A source bridge is used, six DSFC boards are required, with two "daisy-chained" DSFC boards per phase. - AX Control Tech

Repair Services For IS200DSFCG1ACA

Type Lead Time Price Action
Repair Service 1-2 weeks $670

Our highly skilled technicians can repair your IS200DSFCG1ACA. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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