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Woodward 8200-205

  • Product Name: ProTech 203 Digital Overspeed Protection System
  • Product Description: A high-reliability, fail-safe digital overspeed protection system for steam, gas, and hydro turbines. It uses three independent magnetic pickups to continuously monitor shaft speed and trigger a safe shutdown if overspeed thresholds are exceeded.
  • Technical Specifications:
    • Power Supply: 220 VAC (configurable for 24 VDC / 120–240 VAC)

Detailed content

    • Speed Range: 100–20,000 RPM (field-adjustable)
    • Frequency Range: 250 Hz–25 kHz
    • Response Time: <10 ms (detection to trip)
    • Relay Outputs: 2× redundant SPDT trip relays (5A @ 250 VAC / 30 VDC)
    • Enclosure Rating: NEMA 4X / IP65
    • Operating Temperature: -40 °C to +70 °C
    • Certifications: UL, CE, SIL 2 compliant
    • Dimensions: 482.6 mm × 310.4 mm × 142.7 mm
    • Weight: 5.9 kg
  • Key Features:
    • 2-out-of-3 Voting Logic: Requires two of three sensors to confirm overspeed, eliminating single-point failures.
    • Fail-Safe Design: De-energize-to-trip operation ensures safety on power loss.
    • Key-Locked Security: Prevents unauthorized configuration changes.
    • Continuous Diagnostics: Real-time monitoring of MPUs, CPU, and internal faults.
    • Non-Volatile Memory: Retains settings during power outages.
  • Applications:
    • Power Generation: Steam/gas turbines in utility and industrial power plants.
    • Oil & Gas: Turbines and compressors in refineries, pipelines, and offshore platforms.
    • Industrial Machinery: High-speed rotating equipment in manufacturing and processing plants.

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