GE IS200WROBH1A WROB RELAY FUSE AND POWER SENSING BOARD
⁦GE IS200WROBH1A WROB RELAY FUSE AND POWER SENSING BOARD⁩ - الصورة ⁦2⁩

GE IS200WROBH1A WROB RELAY FUSE AND POWER SENSING BOARD

  • Relay Power and Fusing: The board provides a dedicated power source and fusing for the relays that control the flame detectors in the turbine’s combustion chamber. This ensures that the flame detection circuit has its own protected power, separate from other control functions.
  • Flame Detection: The relays on the board are used to switch the power to the flame detectors. When a flame is detected, the detector sends a signal to the TRLY board, which then de-energizes the relay on the WROB board, signaling that the flame is on. This is a crucial safety feature to confirm a stable combustion.
  • Power Sensing: A key feature of the WROBH1A is its ability to sense the power status of the relays. It continuously monitors the voltage across the fuses and the relay circuits. If a fuse blows or power is lost to the relays, the board detects this and sends a diagnostic signal to the main Mark VI controller. This allows the system to alert the operator to a potential fault in the flame detection circuit, preventing a false sense of security.
  • Robust Design: The board is built to withstand the harsh industrial environment of a power plant. The circuit board is protected by a conformal coating to guard against moisture, dust, and chemical contaminants.
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الوصف

The GE IS200WROBH1A is a WROB Relay Fuse and Power Sensing Board. This board is a component of GE’s Mark VI, Mark VIe, and Mark VIeS turbine control systems, and it is a crucial part of the safety and protection circuit for a turbine’s flame detection system. It’s often used in conjunction with a main TRLY board.

 

Key Features and Functionality

 

The WROBH1A is a specialized board designed for the safe and reliable operation of flame detection relays. Here’s a breakdown of its primary functions:

  • Relay Power and Fusing: The board provides a dedicated power source and fusing for the relays that control the flame detectors in the turbine’s combustion chamber. This ensures that the flame detection circuit has its own protected power, separate from other control functions.
  • Flame Detection: The relays on the board are used to switch the power to the flame detectors. When a flame is detected, the detector sends a signal to the TRLY board, which then de-energizes the relay on the WROB board, signaling that the flame is on. This is a crucial safety feature to confirm a stable combustion.
  • Power Sensing: A key feature of the WROBH1A is its ability to sense the power status of the relays. It continuously monitors the voltage across the fuses and the relay circuits. If a fuse blows or power is lost to the relays, the board detects this and sends a diagnostic signal to the main Mark VI controller. This allows the system to alert the operator to a potential fault in the flame detection circuit, preventing a false sense of security.
  • Robust Design: The board is built to withstand the harsh industrial environment of a power plant. The circuit board is protected by a conformal coating to guard against moisture, dust, and chemical contaminants.

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