GE IS200VTURH1B Primary Turbine Protection Board

GE IS200VTURH1B is a VME-based primary turbine protection board for GE Mark VI Speedtronic turbine control systems. 

It provides critical safety functions: monitoring shaft current/voltage with alarm, generating primary overspeed trip via speed measurement, 

controlling three overspeed trip relays on TRPx terminal boards, and supervising up to eight Geiger-Mueller flame detectors for gas turbines. 

Built on TMR architecture, it ensures high-reliability protection for gas/steam turbines in power generation and heavy industry.

3. Technical Specifications

Part Number: IS200VTURH1B

Manufacturer: General Electric (GE)

Series: Mark VI Speedtronic

Type: Primary Turbine Protection Board (VTUR)

Form Factor: VME 6U single slot

Core Functions: Shaft current/voltage monitoring, overspeed trip, flame detector monitoring

Speed Input: MPU pulse 2 Hz–20 kHz (accuracy ±0.05%)

Flame Detectors: 8 channels (Geiger-Mueller)

Trip Relays: 3 primary overspeed relays (TRPx)

Indicators: 3 front-panel LEDs for status/fault

Connector: J5 cable interface

Operating Temperature: 0°C to +70°C

Coating: Conformal coated (moisture/dust resistance)

Weight: Approx. 0.6 kg

Certification: CE, UL, GEH-6721L compliant