SPECIFICATIONS
Part No.: IS200VTURH1A
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
Product Type: Turbine Primary Trip Board
Availability: In Stock
Series: Mark VI
Functional Description
IS200VTURH1A is a turbine primary trip board developed by GE. It is a part of Mark VI control system. The turbine control board VTUR is a multifunctional component essential for the safe and efficient operation of turbines. By overseeing turbine speed measurement, synchronization, electrical monitoring, flame detection, and overspeed trip control, VTUR plays a pivotal role in ensuring operational integrity and safety in turbine systems.
Turbine Speed Measurement and Overspeed Trip Generation
- The VTUR board measures turbine speed using four passive pulse rate devices.
- This speed signal is then transmitted to the controller, which processes it to generate the primary overspeed trip signal. This feature ensures that the turbine operates within safe speed limits, preventing potential damage or accidents due to overspeed conditions.
Automatic Generator Synchronization and Main Breaker Closure
- VTUR facilitates automatic generator synchronization, a crucial aspect of turbine operation.
- Additionally, it is responsible for closing the main breaker once synchronization is achieved. This functionality ensures seamless integration of the turbine-generated power with the electrical grid, optimizing energy distribution and stability.
Monitoring of Induced Shaft Voltage and Current
- The VTUR board monitors induced shaft voltage and current, providing valuable insights into the electrical performance of the turbine.
- By continuously monitoring these parameters, VTUR helps detect any abnormalities or deviations that could indicate potential issues with the turbine's operation, allowing for timely intervention and maintenance.
Geiger Mueller Flame Detector Monitoring
- In gas turbine applications, it monitors eight Geiger Mueller flame detectors.
- These detectors, connected to the TRPG terminal board, rely on an external supply of 335 V dc and 0.5 mA. By monitoring flame detection, VTUR enhances safety by detecting and responding to potential combustion-related issues promptly.
Control of Primary Overspeed Trip Relays
- VTUR controls three primary overspeed trip relays on the terminal board.
- These relays are crucial for initiating emergency shutdown procedures in the event of turbine overspeed conditions. VTUR generates the trip signal, which is then transmitted to TRPG to activate the Electrical Trip Devices (ETD), ensuring rapid and effective turbine shutdown.
Cable Connections
- J3 Connector on VME Rack: Cable connections to the TTUR terminal boards are established at the J3 connector located on the lower portion of the VME rack. These connectors are of the latching type, designed to securely fasten the cables in place. Proper connection at J3 ensures reliable communication and data transfer between the terminal boards and the VME rack.
- J5 Connector on Front Panel of TTUR: For cable connection to the TTUR terminal boards themselves, utilize the J5 connector located on the front panel of the TTUR. This connector serves as the interface point for external cables, facilitating seamless integration with the terminal boards. Ensuring a secure and proper connection at J5 is crucial for the efficient operation of the TTUR terminal boards.
- J4 Connector for TRPG Cable: Additionally, cable connection to the TRPG (Turbine Primary Trip) terminal board is established at the J4 connector. This connection point enables communication between the TTUR and TRPG components, facilitating coordinated functionality within the turbine control system.
- Power-Up and Diagnostic Check: Once all cable connections are securely established, power up the VME rack. As part of the startup procedure, it's essential to check the diagnostic lights located at the top of the front panel. These lights provide valuable feedback regarding the operational status of the system. For detailed instructions on interpreting diagnostic indicators, refer to the dedicated section on diagnostics within the documentation.
The WOC team is always available to help you with your Mark VI requirements. For more information, please contact WOC.
Frequently Asked Questions
What is IS200VTURH1A?
It is a Turbine Primary Trip Board developed by GE under the Mark VI series.
Where is the normal primary overspeed trip calculated?
The normal primary overspeed trip is calculated within the controller.
How is the overspeed trip signal transmitted?
Once calculated, the overspeed trip signal is transmitted to the VTUR (Turbine Control Board).
What is the role of TRPx terminal boards?
TRPx terminal boards contain relays designed for interfacing with Electrical Trip Devices (ETDs).
How do boards typically operate?
TRPx boards typically operate in conjunction with an emergency trip board (TREG) to establish both primary and emergency sides of the interface to the ETDs.
How many ETDs can PTUR support from each TRPx/TREx combination?
PTUR (Turbine Primary Trip) supports up to three ETDs driven from each TRPx/TREx combination.
