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Technical specifications for IS200VTURH1BAC
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Manufacturer:General Electric
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Product Category:General Automation
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Spare Part Number:IS200VTURH1BAC
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Estimated shipping dimensions:2x18.6x26.1cm
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Weight:0.3 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Board family:IS200VTURH1B
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Pulse-rate inputs:4 magnetic-pickup channels
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Synchronization PT inputs:Generator and bus
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Auto-synchronizing breakers:2 configurable breaker timing sets
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Fast-trip modes:PR_Single and PR_Max
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Fast overspeed response:30 ms or less from input to completed relay dropout
Information
Overview
Manuals
Common Applications
Product Precautions
GE IS200VTURH1BAC combines turbine-specific measurement and protection algorithms with the TTUR terminal interface. Its firmware calculates phase, slip and acceleration for breaker synchronization and can execute configured fast-overspeed logic directly in the I/O board, reducing dependence on controller scan time.
- Four pulse-rate magnetic-pickup input channels
- Generator and bus PT inputs for synchronization
- Automatic breaker-close timing with adaptive compensation
- Fast overspeed trip path with 30 ms-or-less relay dropout
The operating chain runs from Speed pickups and generator/bus PT circuits → TTUR terminal board → IS200VTURH1BAC turbine algorithms → K25 synchronizing and trip-relay outputs; document each boundary and prove the intended final response before release.
Important Notice: Retain the complete BAC revision and isolate PT, pickup and trip circuits before disturbing the VTUR or TTUR connections.
GE IS200VTURH1BAC Manuals & Downloads
GE IS200VTURH1BAC Official Technical Reference Excerpt (PDF)GE IS200VTURH1BAC Installation & Commissioning Guide (PDF)
The Official Technical Reference Excerpt preserves nine Mark VI pages covering VTUR hardware, turbine synchronization and fast-overspeed functions. The companion guide converts those functions into staged installation and commissioning checks.
Generator auto-synchronizing
Calculates phase and slip and commands breaker closure at the projected in-phase point.
Synchronization supervision
Monitors PT validity, breaker-coil voltage and K25 relay feedback.
Fast overspeed protection
Executes PR_Single or PR_Max algorithms locally in VTUR firmware.
Turbine speed monitoring
Processes four magnetic-pickup channels for speed and acceleration data.
Apply these controls specifically to GE IS200VTURH1BAC before isolation, replacement, reconnection, energization and final release.
1
Match GE IS200VTURH1BAC to the documented TTUR, rack position and complete AC revision record.
2
Disable and positively secure the generator breaker before synchronizing-output simulation.
3
Isolate PT secondary and pulse-pickup circuits using the approved plant procedure.
4
Preserve breaker close-time, adaptation limits, frequency and phase windows before replacement.
5
Verify generator and bus PT polarity, scaling and frequency before arming auto synchronizing.
6
Confirm every speed-pickup channel, tooth-wheel scaling and fast-trip enable before testing.
7
Do not force K25 or trip outputs unless the breaker and turbine protection test boundaries are established.
8
Complete trend-based synchronization and overspeed-trip evidence before returning the unit to service.
Technical notes
Match the TTUR wiring, four speed-pickup channels, generator and bus PT sources, synchronizing output and trip paths to the controlled drawing. Test phase, slip, acceleration, breaker-closing and fast-overspeed responses independently.
FAQ View All FAQ
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What turbine signals does GE IS200VTURH1BAC process?It processes four magnetic-pickup channels plus generator and bus PT inputs through the TTUR interface.
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How does GE IS200VTURH1BAC calculate breaker closure?The VTUR algorithm uses phase, slip, acceleration and configured breaker close time to project the in-phase closing point.
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How many breaker timing sets can GE IS200VTURH1BAC manage?The auto-synchronizing configuration provides independent close-time and adaptation settings for two breakers.
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Which fast-overspeed modes are available in GE IS200VTURH1BAC?VTUR provides PR_Single and PR_Max algorithms for different redundant pickup arrangements.
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What is the fast-trip response of GE IS200VTURH1BAC?The documented interval from overspeed input to completed relay dropout is 30 ms or less.
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Can GE IS200VTURH1BAC close on negative slip?No. The automatic synchronizing algorithm requires the configured positive-slip sequence before issuing the K25 close pulse.
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Which settings should be retained before replacing GE IS200VTURH1BAC?Record PT scaling, system frequency, breaker close times, adaptation limits, phase/frequency windows, pickup scaling and trip setpoints.
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How is GE IS200VTURH1BAC synchronization verified safely?Disable the breaker, apply controlled PT signals, trend phase and slip, verify K25 timing and prove blocking outside the permitted windows.
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