Description
Part No.: IS200TPROH1BBB
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Size: 17.8 cm high x 33.02 cm wide
Temperature Operating: -30 to 65 o C
Product Type: Protection Board
Availability: In Stock
Series: Mark VI
Functional Description
IS200TPROH1BBB is a protection board developed by GE. It is a part of Mark VI series. The module serves as a critical element, delivering essential signals such as speed, temperature, generator voltage, and bus voltage to the VPRO. This collaboration forms an independent emergency overspeed and synchronization protection system, ensuring safety and stability. This comprehensive arrangement demonstrates the critical interactions between TPRO and VPRO within the emergency overspeed and synchronization protection system. The integrated functions and control mechanisms ensure prompt and coordinated responses to emergency situations, prioritizing safety and system stability in turbine operations.
System Configuration
- VPRO Redundancy: The protection system comprises triple redundant VPRO boards, functioning separately from the primary turbine control system. These VPRO boards manage trip solenoids via TREx (TREG, TREL, or TRES) modules, providing critical control over emergency trip functions.
- Input Provision: TPRO serves as the source of inputs to all three VPRO boards, facilitating crucial signal delivery for coordinated emergency functions.
Cabling Configuration
- A visual representation in the provided figure illustrates the cabling setup from TPRO to VPRO and TREx terminal boards. This layout showcases the intricate connections ensuring data flow and control signals between these vital modules.
Functions and Trip Solenoid Control
- Emergency Trip Function: VPRO operates as the primary entity providing the emergency trip function, playing a pivotal role in safeguarding against potential hazards. It controls up to three trip solenoids connected between TREx and TRPx (TRPG, TRPL, or TRPS) terminal boards.
- Turbine Trip Control: TREx and TRPx terminal boards manage the positive and negative sides, respectively, of the 125 V DC supply to trip solenoids. Either board holds the capability to trip the turbine in emergency situations.
- Overspeed Protection: VPRO assumes responsibility for emergency overspeed protection and emergency stop functionalities, ensuring prompt responses to critical scenarios.
Control and Relay Management
- Relay Control: VPRO exercises control over 12 relays on the TREG board, with nine forming three groups to vote inputs that manage the three trip solenoids. These relays serve as crucial elements in coordinating emergency responses.
- Secondary TREG Connectivity: Additionally, a secondary TREG board can be driven from VPRO through J4, further enhancing redundancy and control capabilities in emergency scenarios.
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