IS200VTURH1BAA General Electric VTUR Primary Trip Board

Comprehensive Primary Protection for Turbine Systems

General Electric engineered the IS200VTURH1BAA for critical safety functions. This Primary Turbine Trip Board operates within Mark VI Speedtronic systems. It provides essential monitoring and protection functions for safe turbine operation.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200VTURH1BAA
• Product Type: Primary Turbine Protection Board
• Series: Mark VI Speedtronic System
• Flame Detectors: 8 Geiger-Mueller detectors per VTUR
• Operating Temperature: 0°C to 60°C
• MPU Sensitivity: 27 mV peak (detects 2 rpm)
• Manufacturing Origin: United States

Speed Measurement & Overspeed Protection

• Four passive pulse rate devices for speed measurement
• Pulse Rate Range: 2 Hz to 20 kHz operation
• Measurement Accuracy: 0.05% of reading precision
• Relays speed data to controller for trip signal generation
• Primary overspeed trip signal generation capability
• Crucial protection against overspeed conditions

Flame Detection System

• Monitors eight Geiger-Mueller flame detectors
• Specifically for gas turbine applications
• External power requirement: 335 VDC, 0.5 mA
• Linked to TRPG terminal board for integration
• Early detection of flame irregularities
• Swift response and mitigation for critical situations

Shaft Monitoring & Voltage Sensing

• Monitors induced shaft voltage conditions
• Tracks shaft current for operational insights
• Two single-phase potential transformers (PTs)
• 115 V RMS nominal output with less than 3 VA loading
• 75 to 130 V RMS synchronization range
• 1,500 V RMS magnetic isolation barrier

Trip Relay Control System

• Controls three primary overspeed trip relays on TRPG
• Controller generates trip signals transmitted to VTUR
• Signals forwarded to TRPG for emergency solenoid activation
• Trip initiation from VTUR or VPRO for redundancy
• Nine magnetic relays interface with three trip solenoids
• TMR Systems: Nine relays used
• Simplex Systems: Three relays used

Generator Synchronization & Control

• Automatic generator synchronization capability
• Main breaker closure management
• Three synchronization modes: Off, Manual, Auto
• K25A Relay: Sync check with slip/phase window
• K25 Relay: Auto sync optimization control
• K25P Relay: Turbine sequence status checking

Synchronization Sequence

• K25A must close before K25 for proper sequence
• Prevents interference with auto sync optimization
• Sequence failure triggers diagnostic alarm
• Activates lockout signal for safety
• Prevents further synchronization until reset
• Critical coordination for safe operations

Installation Procedure

• Power down VME processor rack completely before installation
• Align board with designated slot in VME rack
• Push top and bottom levers to seat edge connectors
• Ensure connectors are firmly and correctly positioned
• Tighten captive screws at top and bottom of front panel
• Verify proper installation before power restoration

Cable & Sensor Specifications

• Cable length support up to 1,000 feet
• 18 AWG wiring recommended for connections
• Strategic sensor placement across distance
• Comprehensive voltage level monitoring
• Installation flexibility for system layout
• Reliable signal transmission over distance

Front Panel Features

• Single D-shell connector for interfacing
• Three LED indicators for status monitoring
• Status LED: System operation indication
• Fail LED: Fault condition indication
• Run LED: Operational status display
• Narrow front panel with minimal interface

System Configuration Options

• Simplex Applications: Measures speed from four pulse rate signals
• TMR Applications: Different signal acquisition method
• Normal assembly type with three revision history
• Backwards compatible with first two revisions
• Designed for steam, gas, and wind turbine applications
• Enhanced functionality over Mark V systems

Application Areas

• Gas turbine protection and control systems
• Steam turbine overspeed protection
• Wind turbine safety system integration
• Industrial turbine emergency protection
• Generator synchronization and control
• Critical safety system implementations

Product Availability

• Current Status: In stock for immediate shipment
• New and original General Electric component
• Part of Mark VI Speedtronic control system
• Complete with necessary hardware and documentation
• Ready for integration into protection systems
• Manufactured to industrial quality standards

Verification & Testing

• Conduct thorough inspection after installation
• Verify all connections are secure and proper
• Ensure board sits flush within VME rack
• Power up system and perform functionality tests
• Confirm integration within overall system
• Test all protection and monitoring functions

Shipping & Delivery

• Fast shipping via FedEx, UPS, and DHL services
• Orders typically ship within 24 business hours
• International shipping available worldwide
• Complete tracking information provided
• Professional packaging ensures board protection

Frequently Asked Questions (FAQ)

What is the primary function of this board?

• The IS200VTURH1BAA provides primary turbine protection including overspeed trip, flame detection, and generator synchronization.

How many flame detectors does it monitor?

• It monitors eight Geiger-Mueller flame detectors specifically for gas turbine applications.

What speed measurement capability does it have?

• Uses four passive pulse rate devices with 2 Hz to 20 kHz range and 0.05% accuracy for precise speed measurement.

How does generator synchronization work?

• Controls three relays (K25, K25A, K25P) for voltage/speed matching and precise breaker closure timing in auto mode.

What installation precautions are necessary?

• Must power down VME rack completely, use levers to seat connectors, and tighten captive screws for secure installation.

How many relays are used in different systems?

• Uses nine magnetic relays in TMR systems and three relays in simplex systems for trip solenoid interface.