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Woodward PROTECH203
Product Name: Woodward ProTech203 Triple Redundant Digital Overspeed Protection System
Product Introduction: Independent digital overspeed trip safety device, original generation overspeed protection platform of Woodward ProTech series; adopts triple independent speed sensing units with 2-out-of-3 hardware voting logic, replaces mechanical overspeed protectors, provides reliable overspeed shutdown protection for high-speed rotating machinery.
Detailed content
Technical Specifications:
- Power Supply: Independent isolated power for each module, AC/DC 100–480V wide input
- Speed Inputs: 3 independent passive Magnetic Pickup (MPU) speed sensorsWoodward
- Speed Measuring Range: 0.5–32000 RPM, measuring accuracy ±0.1% full scale
- Response Time: <45ms overspeed trip response
- Operating Temperature: -40°C to +70°C
- Protection Architecture: 2-out-of-3 hardware voting, de-energize-to-trip safety designWoodward
- Outputs: Independent trip relays, alarm relays, 4–20mA speed analog output
- Front Panel: Digital speed display, LED status indication, key-lock parameter authorization
- Certification: CE, UL, CSA, complies with SIL-3 safety level and API 670 standard
Functional Features:
- Triple fully isolated speed detection modules, single module failure does not cause false trip
- Online individual module self-test function, hot-swappable maintenance without unit shutdownWoodward
- Built-in frequency generator for automatic overspeed verification test
- Peak speed recording, fault event logging, remote reset function
- MPU wire-break detection and speed signal loss protection logic
- High stability digital speed measurement, far higher precision than mechanical overspeed devices
Application Scenarios: Steam turbines, gas turbines, large diesel engines, high-speed centrifugal compressors, power station prime mover overspeed safety protection systems.
