GE IS200TPROH1BBB Protection Board for Emergency Overspeed Systems

The IS200TPROH1BBB delivers critical safety protection for General Electric's Mark VI turbine control systems. This advanced protection board provides independent emergency overspeed monitoring and synchronization protection. It ensures maximum operational safety through triple-redundant architecture and failsafe trip mechanisms.

Technical Specifications & Performance Data

• Manufacturer: General Electric
• Model Number: IS200TPROH1BBB
• Product Type: Protection Board
• Control System Series: Mark VI
• Board Dimensions: 17.8 cm × 33.02 cm
• Operating Temperature Range: -30°C to +65°C
• Signal Monitoring Channels: Speed, temperature, voltage inputs
• Trip Solenoid Control: Manages up to 3 independent solenoids
• Control Voltage Rating: 125V DC trip circuit operation
• Response Time: <10ms for emergency overspeed detection
• Relay Control Capacity: 12 relays with voting logic
• Input Resolution: 16-bit precision measurement
• Environmental Rating: IP52 for industrial protection
• Vibration Resistance:
• Communication Interface:

Emergency Protection System Architecture

• Triple redundant VPRO boards provide independent safety monitoring
• The system operates completely separate from primary turbine controls
• Three voting relay groups ensure reliable trip solenoid activation
• Emergency overspeed protection triggers at predefined setpoints
• Synchronization checks prevent out-of-phase generator connection

Critical Signal Monitoring Capabilities

• Continuous turbine speed monitoring through multiple sensor inputs
• Generator voltage tracking ensures stable power output conditions
• Bus voltage supervision maintains overall system voltage stability
• Temperature inputs monitor critical turbine component conditions
• All signals feed into the independent emergency protection logic

Hardware Components & Construction

• Two large terminal blocks provide 48 silver-plated connections
• Red square relays with yellow components ensure reliable switching
• Metal oxide varistors (MOVs) protect against voltage transients
• Three black potentiometers allow precise calibration adjustments
• Multiple yellow capacitors provide signal filtering and stability
• Diodes and resistors arranged for optimal circuit protection
• Surface-mount technology enhances long-term reliability

Trip Solenoid Control System

• VPRO boards control trip solenoids through TREx module interfaces
• TREx and TRPx terminal boards manage positive and negative DC supply
• Either board can initiate turbine trip during emergency conditions
• Three solenoid control provides redundant shutdown capability
• 125V DC power ensures reliable solenoid operation when needed

Installation & System Integration

• Mount the protection board in designated DIN rail locations
• Connect all signal cables to the two main terminal blocks
• Verify proper grounding through shield termination strips
• Establish connections to triple redundant VPRO processor boards
• Route cabling to TREx and TRPx terminal boards as specified
• Configure relay voting groups for trip solenoid control
• Test emergency overspeed protection functionality thoroughly
• Validate synchronization check operations before system operation

Redundancy & Safety Features

• Triple modular redundancy eliminates single points of failure
• Nine relays form three voting groups for critical decisions
• Secondary TREG board connectivity enhances backup capabilities
• Independent power supplies ensure continuous protection
• Automatic diagnostics monitor system health continuously

Packaging & Shipping Information

• Factory-new IS200TPROH1BBB protection board
• Anti-static packaging prevents electrostatic damage during transit
• All necessary mounting hardware included for quick installation
• Global express shipping via FedEx, UPS, and DHL available
• Order tracking provided immediately after shipment dispatch

Professional Technical Support

• How does the triple redundancy improve system safety?
• Three independent VPRO boards with voting logic ensure protection continues even if one board fails, eliminating single points of failure
• What signals does the TPRO board monitor for protection?
• The board continuously tracks turbine speed, generator voltage, bus voltage, and temperature inputs through multiple sensor channels
• Can the system initiate a turbine trip from multiple points?
• Yes, both TREx and TRPx terminal boards can independently trip the turbine during emergency conditions for maximum safety
• How many trip solenoids can the protection system control?
• The system manages up to three independent trip solenoids with redundant control pathways for each solenoid
• What is the response time for emergency overspeed detection?
• The protection system detects overspeed conditions and initiates trip signals in less than 10 milliseconds for immediate response

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