5437-2131 WOODWARD ProTech-GII Overspeed Protection system
Description
The 5437-2131 WOODWARD ProTech-GII Overspeed Protection System is a high-integrity, safety-certified turbine protection device designed to provide rapid and reliable shutdown of rotating machinery such as steam turbines, gas turbines, hydro turbines, compressors, and industrial engines under overspeed or over-acceleration conditions.It is built on a Triple Modular Redundant (TMR) architecture, consisting of three independent processing modules (A, B, and C), which operate using 2-out-of-3 voting logic to ensure fault tolerance and eliminate single-point failures in safety-critical applications.
Parameters of 5437-2131 WOODWARD ProTech-GII Overspeed Protection System
| Speed Measurement Parameters |
| Speed Range: | 0.5 – 32,000 rpm |
| Speed Accuracy: | ±0.04% of measured value (typical) |
| Acceleration Monitoring Range: | up to 25,000 rpm/s |
| Power Supply Parameters |
| High Voltage Input: | - 90–264 VAC / 47–63 Hz OR
- 100–150 VDC
|
| Low Voltage Input: | 18–32 VDC (nominal 24 VDC) |
Frequently Asked Questions About 5437-2131
Q1: What functional safety architecture is embodied in the 5437-2131 WOODWARD ProTech-GII Overspeed Protection System?
A:
The 5437-2131 WOODWARD ProTech-GII Overspeed Protection System is engineered around a Triple Modular Redundant (TMR) architecture with 2-out-of-3 voting logic, ensuring fault-tolerant decision-making and eliminating single-point failure vulnerabilities in turbine protection applications.
Q2: How does the 5437-2131 WOODWARD ProTech-GII Overspeed Protection System achieve deterministic overspeed detection accuracy under dynamic rotor conditions?
A:
The 5437-2131 system utilizes high-resolution Magnetic Pickup Units (MPUs) or proximity-based speed sensors, enabling precise real-time monitoring of rotor velocity and acceleration, ensuring deterministic overspeed and over-acceleration event recognition within millisecond response windows.
Q3: In what manner does the 5437-2131 WOODWARD ProTech-GII Overspeed Protection System integrate compliance with international functional safety standards?
A:
The 5437-2131 ProTech-GII platform is designed to comply with IEC 61508 SIL-3 certification requirements, as well as API 670 and API 612 standards, making it suitable for mission-critical rotating equipment protection in high-risk industrial environments.
Q4: What is the trip signal processing methodology implemented in the 5437-2131 WOODWARD ProTech-GII Overspeed Protection System?
A:
The 5437-2131 system implements either independent trip relay outputs or a voted 2-out-of-3 trip relay configuration, allowing configurable safety logic that supports both redundancy maximization and selective fault isolation strategies.
Q5: How does the 5437-2131 WOODWARD ProTech-GII Overspeed Protection System manage high-speed transient detection latency?
A:
The 5437-2131 unit achieves an ultra-fast response time in the range of approximately 12 milliseconds, enabling near-instantaneous protective actuation during overspeed or acceleration excursions in rotating machinery.
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Contact US
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Miya Zheng
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