IS200TTURH1A - Primary Turbine Protection Input Terminal Board

SPECIFICATIONS:

Part Number: IS200TTURH1A
Manufacturer: General Electric
Series: Mark VI
Product Type: Primary Turbine Protection Input Terminal Board
Operating System: QNX
Power Requirements: +5 V dc, 6 A
Number of input channels: 12
Number of outputs: 125 V dc
Trip Solenoid Rating: 125 V dc
Power supply voltage: 28 V dc
Voltage Range: 18 - 32 VDC
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: 40 to 70°C
Size: 33.0 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6421M

FUNCTIONAL DESCRIPTION:

IS200TTURH1A is a Primary Turbine Protection Input Terminal Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Gas Turbine Control Systems. The Primary Turbine Protection Input terminal board works with VTUR and has the following inputs and outputs:

• Twelve passive pulse rate devices sensing a toothed wheel to measure the turbine speed
• Generator voltage and bus voltage signals from potential transformers
• 125 V dc output to the main breaker coil for automatic generator synchronizing
• Inputs from the shaft voltage and current sensors to measure induced shaft voltage and current

TTUR has three relays, K25, K25P, and K25A, that all have to close to provide 125 V dc power to close the main breaker, 52G. The speed signal cable to VTUR uses the JR5 connector, and the other signals use the JR1 connector. For TMR systems, signals fan out to the JR5, JS5, JT5, JR1, JS1, and JT1 connectors.

INSTALLATION:

TTUR Terminal Board Wiring: Connect the shaft pick-ups, magnetic pick-ups, breaker relays, and I/O terminal blocks TB1 and TB2 to the terminal boards. There are 24 terminals on each block, which may accept wires up to #12 AWG, and they are each attached with two screws. A shield termination strip linked to the chassis ground is located directly left of each terminal block.

OPERATION:

Turbine speed can be determined in simplex applications using up to four pulse rate signals. Along with VTUR, the turbine controller, and the excitation system, the generator and bus voltages are fed into TTUR for automatic synchronization. The main breaker relay coil, 52G, is controlled by TTUR, which also has permissive generator synchronizing relays.

WOC has the largest stock of GE Speedtronic Gas Turbine Control System Replacement Parts. We can also repair your faulty boards. WORLD OF CONTROLS can also supply unused and rebuilt backed-up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly get in touch with our team by phone or email.

FREQUENTLY ASKED QUESTIONS

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How are boards packaged for shipment from WOC?

Parts are placed in antistatic packets and securely packed in ESD boxes cushioned with ESD Foam designed to safeguard electrical components.