Technical Specifications

• Manufacturer: General Electric
• System Series: Mark VI Speedtronic
• Architecture Support: TMR Triple Modular Redundancy System
• Trip Solenoid Channels: 3 independent safety trip solenoid loops
• Solenoid Operating Voltage: 125 V DC
• Solenoid Response L/R Time Constant: 0.1 second
• Flame Detector Input Channels: 8 channels
• Flame Detector Supply Voltage: 335 V DC
• Control Relay Interface Voltage: 28 V DC
• Relay Quantity: 9 magnetic safety relays
• Voting Control Circuits: 3 independent redundant voting circuits
• Surge Protection: Built-in metal oxide varistor for circuit overvoltage suppression
• Operating Temperature Range: 0°C to 65°C
• Overall Dimensions: 330 × 200 × 100 mm
• Net Weight: 2.0 kg
• Installation Mode: Cabinet-bottom fixed installation, side-by-side multi-unit combination arrangement
• Safety Certification: Conforms to industrial power plant safety and NFPA Class 1 standards

Key Features

• High-Speed Safety Trip Logic

  Adopts three-path redundant voting control, instantly triggers turbine emergency shutdown when abnormal parameters occur, and maintains ultra-fast solenoid action response to fully avoid turbine runaway accidents.
• Dual-Loop Device Interconnection

  Integrates primary trip control and emergency trip interface functions, works cooperatively with IS200TREG series boards to build complete redundant turbine shutdown protection channels.
• Reliable Signal Isolation & Surge Protection

  Equips professional voltage isolation circuits and MOV surge suppression components, effectively resists electromagnetic interference, protects downstream solenoids and flame detectors from voltage impact damage.
• Stable Multi-Device Signal Integration

  Unified manages 3 trip execution actuators and 8 flame detection signal inputs, realizes centralized wiring and signal conditioning of complex safety loops.
• TMR System Full Compatibility

  Perfectly adapts PTUR/YTUR turbine control main modules, supports parallel expansion of multiple terminal boards, and maintains consistent signal logic in whole redundant control systems.
• Rugged Industrial Structure

  Adopts conformal coating PCB process, dustproof and vibration-resistant design, no fan-assisted cooling required, and runs stably in harsh high-temperature power plant environments.

Application Scenarios

• Gas Turbine Power Generation Units

  Undertakes overspeed protection, vibration abnormal shutdown, flame failure trip and other core safety protection logic for heavy-duty gas turbines, and matches combined cycle power plant Mark VI control systems.
• Steam Turbine Thermal Power Plants

  Controls main steam turbine emergency trip solenoid valves, monitors boiler flame state, and executes rapid shutdown protection under overtemperature, overpressure and overspeed fault conditions.
• Petrochemical Turbine Equipment

  Applied to compressor and drive turbine safety protection in oil refining and chemical projects, ensuring stable shutdown of key rotating equipment under abnormal working conditions.
• Natural Gas Pipeline Compression Stations

  Builds redundant safety trip loops for pipeline turbine compressors, monitors combustion state and operating parameters, and prevents major safety accidents of pipeline equipment.
• Turbine System Commissioning & Maintenance

  Supports on-site safety loop testing, trip logic verification and fault troubleshooting, ensures compliance and reliability of turbine emergency protection functions during unit startup and maintenance overhaul.