GE IS200TTURH1BEC Turbine Protection Board Mark VI

Comprehensive Turbine Protection and Control Interface

General Electric engineered the IS200TTURH1BEC for critical turbine operations. This Primary Protection Input Board operates within Mark VI Speedtronic systems. It provides essential monitoring and control functions for safe and reliable turbine operation.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200TTURH1BEC
• Product Type: Primary Protection Input Board
• Series: Mark VI Speedtronic Control System
• Dimensions: 10.16 × 33.02 cm (4.0 × 13.0 inches)
• Operating Temperature: -30°C to +65°C
• Technology: Surface-mount construction
• Manufacturing Origin: United States

Turbine Speed Measurement

• Twelve passive pulse rate devices for speed sensing
• Senses toothed wheel rotation for accurate speed measurement
• Generates electrical pulses proportional to turbine rotation
• Provides redundancy and accuracy in speed monitoring
• Speed signal cable connects via JR5 connector
• Essential data for turbine control system operations

Voltage Monitoring Capabilities

• Generator Voltage: Monitors turbine generator output voltage
• Bus Voltage: Tracks electrical distribution system voltage
• Signals obtained through potential transformers
• Real-time analysis of voltage stability and safety
• Triggers alerts for voltage deviations from safe ranges
• Integrated into broader control and monitoring systems

Main Breaker Control System

• 125 VDC output for main breaker coil control
• Enables automatic generator synchronization
• Three coordinated relays: K25, K25P, K25A
• All relays must close to provide 125 VDC power
• Controls main breaker 52G closure operations
• Critical for safe generator synchronization

Signal Connectivity & Configuration

• Speed Signals: Connected through JR5 connector
• Other Signals: Routed through JR1 connector
• TMR Systems: Uses JR5, JS5, JT5, JR1, JS1, JT1 connectors
• Simplex Systems: Uses JR5 and JR1 connectors only
• Jumpers JP1/JP2 select SMX or TMR relay drivers
• TB3 terminal block for optional TTL connections

Shaft Monitoring & Additional Inputs

• Accepts shaft voltage sensor inputs
• Processes shaft current sensor measurements
• Monitors induced shaft voltage and current
• Provides comprehensive turbine health monitoring
• Enables early detection of potential issues
• Integrates with overall protection system

Installation Components & Procedure

• Two I/O terminal blocks (TB1, TB2) with 24 terminals each
• Accepts wires up to 12 AWG with secure screw fastening
• Shield termination strips adjacent to each terminal block
• Connected to chassis ground for proper shielding
• Magnetic pickups, shaft pickups, potential transformers
• Breaker relays and necessary cabling components

System Configuration Options

• Simplex Systems: Voting initiates from R controller
• TMR Systems: 2/3 logic voting for redundancy
• Jumpers configure for simplex or TMR operation
• Works with PTUR or VTUR boards for complete protection
• Backwards compatible with first two revisions
• Three total revisions with normal assembly type

Relay Functions & Coordination

• K25P Relay: Monitors turbine sequence status
• K25A Relay: Checks slip and phase within synch window
• K25 Relay: Optimizes for top dead center coordination
• All three relays must close for breaker operation
• Ensures safe and precise generator synchronization
• Provides multiple layers of protection

Board Components & Construction

• Resistors, variable resistors, and capacitors
• Diodes, transformers, and integrated circuits
• Male and female D-shell connectors on board surface
• Terminal strips and plug connectors for wiring
• Standardized voltage-limiting hardware components
• Surface-mount technology for reliable performance

Product Availability

• Current Status: In stock for immediate shipment
• New and original General Electric component
• Third revision with updated specifications
• Complete with necessary hardware and documentation
• Ready for integration into turbine control systems

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 IS200TTURH1BEC provides turbine speed monitoring, voltage measurement, and main breaker control for generator synchronization.

How many speed sensors does it support?

• It interfaces with twelve passive pulse rate devices for accurate turbine speed measurement.

What relays are included for breaker control?

• Includes three relays (K25, K25P, K25A) that must all close to provide 125 VDC for main breaker operation.

What system configurations are supported?

• Supports both simplex and Triple Modular Redundant (TMR) system configurations via jumper settings.

What voltage signals does it monitor?

• Monitors generator voltage and bus voltage through potential transformer inputs.

How is the board configured?

• Configuration uses jumpers JP1 and JP2 to select between SMX and TMR relay driver options.