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Part No.: IS210TREGH1B
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Size: 33.0 cm high x 17.8 cm, wide
Technology: Surface mount
Temperature: -30 to 65oC
MPU pulse rate range: 2 Hz to 20 kHz
MPU pulse rate accuracy: 0.05 percent of reading
Number of inputs: 14
Number of outputs: 9
Contact ratings: NEMA class F.
Product Type: Turbine Emergency Trip Terminal Board
Availability: In Stock
Series: Mark VIe
IS210TREGH1B is a Turbine Emergency Trip Terminal Board developed by GE. It is a part of the Mark VIe control system. TREG supplies power to three emergency trip solenoids and is managed by the I/O controller. A maximum of three trip solenoids can be connected between the TREG and TRPG terminal boards. It delivers the positive side of the DC power to the solenoids, while TRPG provides the negative side.
The board delivers power and ensures seamless operation for emergency trip solenoids. It supports up to three solenoids, which are essential for executing turbine trips during emergency conditions. The connections and power distribution are designed as follows:
The board operates under the direct control of the I/O controller, making it a highly integrated and responsive component. Key connections include:
To ensure high reliability, operational safety, and system integrity, the I/O controller performs continuous and comprehensive diagnostics on the board and its connected components. These diagnostics play a crucial role in monitoring critical parameters, detecting anomalies, and preventing failures that could compromise turbine operations.
The diagnostic system monitors several essential aspects of the TREG board, including:
If any discrepancies, malfunctions, or abnormalities are detected during the diagnostic process, the system:
The WOC team is always available to help you with your Mark VIe requirements. For more information, please contact WOC.
What is IS210TREGH1B?
It is a Turbine Emergency Trip Terminal Board developed by GE under the Mark VIe series.
What is the role of the Turbine Emergency Trip Terminal Board in turbine protection?
It provides power to up to three emergency trip solenoids and is fully controlled by the I/O controller. It plays a crucial role in providing emergency overspeed protection and emergency stop functions. The system utilizes 12 relays on the TREG, nine of which are grouped in three sets of three-to-vote inputs, controlling the solenoids that are crucial for turbine safety.
What is the connection between TREG and TRPG boards?
TREG supplies the positive side of the DC power to the emergency trip solenoids, while the TRPG board provides the negative side of the power to complete the circuit. The I/O controller manages the communication and activation of trip functions between TREG and TRPG boards.
How does the TREG system work in simplex and redundant configurations?
In simplex systems, works with a third cable from J1 to the TSVO terminal board to provide a servo valve clamp function when the turbine trips. The system can be configured with redundancy for enhanced reliability and fault tolerance.
What happens if there is a mismatch or fault in the system?
If the I/O controller detects a mismatch during diagnostics or identifies an incompatibility between the TREG board and other components (via the ID device), a hardware fault is triggered. This helps to ensure that only compatible and properly functioning hardware is used in the system, maintaining turbine safety.
How are the trip solenoids tested?
Trip solenoids can be tested using the application software in the controller, which allows the user to manually trigger each trip solenoid individually. Tests can be initiated through the PTR or ETR relays, confirming the solenoid circuit contacts, ensuring proper functionality of the emergency trip mechanisms.