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Is200gdddg1c

IS200GDDDG1C - Gate Driver Board

IS200GDDDG1C - Gate Driver Board IS200GDDDG1C - Gate Driver Board

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IS200GDDDG1C - Gate Driver Board comes in UNUSED as well as REBUILT condition.

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SPECIFICATIONS

Part No.: IS200GDDDG1C
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Temperature: -30 to +65oC
Size: 3.175 cm high x 12.7 cm wide
Product Type: Gate Driver Board
Availability: In Stock
Series: EX2100

Functional Description

IS200GDDDG1C is a Gate Driver Board developed by GE. It is a part of EX2100 excitation system. The Gate Driver and Dynamic Discharge board facilitates operation and control of the EX2000 PWM-based exciter, facilitating interface isolation, dynamic discharge circuit control, gating circuits for active IGBTs, and instrumentation of the PWM system.

Features

  • Interface Isolation: The board provides essential interface isolation between the Insulated Gate Bipolar Transistors (IGBTs) and the main processor firing circuits of the EX2000 PWM-based exciter. This isolation ensures electrical separation between high-power components and sensitive control circuits, preventing interference and ensuring reliable operation.
  • Dynamic Discharge Circuit Control: Dynamic discharge circuit control is a crucial function implemented on the board. This feature manages the discharge of stored energy within the exciter system, optimizing performance and ensuring safe operation during transient conditions and system shutdowns.
  • Gating Circuits for Active IGBTs: The board is responsible for controlling the gating circuits of the A-leg and B-leg active IGBTs within the exciter system. These circuits regulate the switching behavior of the IGBTs, enabling precise control over the flow of electrical power and facilitating efficient energy conversion.
  • Instrumentation of the PWM System: In addition to its control functions, the board provides instrumentation capabilities for the EX2000 PWM system. It processes essential parameters such as output DC voltage, DC link voltage, shunt current millivolt (mV) input, and heat sink thermistor input. These measurements are crucial for monitoring system performance, detecting abnormalities, and providing feedback to the LDCC processors for regulation and control.
  • Integration with LDCC Processors: The processed instrumentation data from the board is transmitted to the Load Drop Compensation and Control (LDCC) processors. These processors utilize the data to adjust excitation parameters, regulate system operation, and ensure optimal performance and stability of the exciter system.
  • Enhanced System Performance and Reliability: By providing interface isolation, dynamic discharge circuit control, gating circuit management, and instrumentation capabilities, the board significantly enhances the performance and reliability of the EX2000 PWM-based exciter. Its precise control over critical system functions and instrumentation feedback contributes to efficient energy conversion, stable operation, and protection against adverse operating conditions.

Jumpers

  • JP1 Jumper: JP1 configures the input level of the DC output voltage inputs APL-6 and BPL-5. It is crucial for ensuring that the input level aligns with the specified maximum DC output voltage value defined in EE.612 (VDCMAX). This alignment is necessary to prevent voltage discrepancies that could lead to operational issues or damage to components. For seamless integration and safe operation, JP1 must match the value specified in EE.612.
  • JP2 Jumper: JP2 is responsible for configuring the input level of the DC link voltage to the GDDD board inputs CPL-12 and CPL-2. Similar to JP1, JP2 ensures that the input level corresponds to the specified maximum DC link voltage value defined in EE.612 (VDCMAX). This alignment is critical for maintaining system integrity and preventing overvoltage conditions that could compromise performance or lead to equipment damage. JP2 settings should match the value specified in EE.612 for optimal operation.
  • JP3 Jumper: JP3 configures the input level of the DC dynamic discharge reference to the GDDD board on inputs CPL-12 and CPLCOM. Unlike JP1 and JP2, JP3 requires correspondence with the specified level in EE.612 (VDCMAX) in a specific manner. For example, if EE.612 specifies a value of 604, JP3 should be set to 500, and if EE.612 specifies a value of 360, JP3 should be set to 300. This configuration ensures proper dynamic discharge referencing and compatibility with the specified DC dynamic discharge reference levels.

LED Status

  • LED Bridge OK (DS100): This LED illuminates to indicate that there are no faults detected in the IGBT (Insulated Gate Bipolar Transistor) legs and no overcurrent conditions present in the system. Its activation signals the normal operation and integrity of the IGBT bridges, ensuring reliable power conversion and excitation control.
  • LED IMOK (DS101): The IMOK LED serves as a comprehensive status indicator, illuminating under several conditions:
    • No bridge faults are detected, ensuring the integrity of the exciter's bridge circuits.
    • The unit is not in a reset condition, indicating normal operation and stability.
    • Power supply voltages meet the required specifications, ensuring proper functioning of the GDDD board.
    • No dynamic discharge faults are detected, ensuring optimal performance of the dynamic discharge circuitry.
    • Activation of the IMOK LED assures of overall system health and functionality, indicating that critical components are operating within normal parameters.
  • LED DD AUX POWER AVAILABLE (DS102): This LED illuminates to indicate the availability of auxiliary power for the dynamic discharge circuit. The auxiliary power is sourced from the DC link via the RDS connection, ensuring that the dynamic discharge circuitry has the necessary power supply to function properly. Activation of this LED confirms the availability of auxiliary power, essential for enabling dynamic discharge operations and maintaining system stability.

The WOC team is always available to help you with your EX2100 requirements. For more information, please contact WOC.

Frequently Asked Questions

What is IS200GDDDG1C?
It is a Gate Driver Board developed by GE under the EX2100 series.

What is the purpose of connector PPL?
Connector PPL connects to the PSCD board, which provides AC control power to the board. This connector ensures that the GDDD board receives the necessary power supply for its operation.

What is the function of connector APL?
Connector APL connects to the IGBT Snubber Board, which is responsible for IGBT Leg A control. This connector facilitates communication and control between the board and the Snubber Board, ensuring coordinated operation of the power conversion system.

Why is it important to ensure proper connectivity for connectors PPL and APL?
Proper connectivity for connectors PPL and APL is crucial for ensuring seamless operation and control of the GDDD board and the associated power conversion system. Any discrepancies or faults in connectivity can lead to operational issues and system downtime.