Product Description
Product Overview
| Category | Details |
|---|---|
| Manufacturer | Woodward |
| Model/Part Number | 8200-205 |
| Description | ProTech 203 Overspeed Protection System designed to monitor and protect turbines from overspeed conditions using a two-out-of-three voting configuration |
| Key Features | De-energize-to-trip, three independent speed-sensing units, LED indicators for diagnostics, suitable for steam, gas, and hydro turbines |
Technical Specifications
| Specification | Details |
|---|---|
| Model | 8200-205 |
| Product Line | ProTech 203 |
| Power Input | 24 VDC |
| Trip Configuration | De-energize-to-trip, 2-out-of-3 voting |
| Speed Inputs | 3 independent magnetic pickup (MPU) inputs |
| Indicators | LEDs for trip status, MPU failure, and CPU health per unit |
| Operating Temperature | -20°C to 60°C (-4°F to 140°F) |
| Weight | Approx. 6.5 kg (14.3 lbs) for panel-mount unit |
External Connection Options
| Connection Type | Details |
|---|---|
| Supported Connections | Hard-wired connections to turbine control systems via terminal blocks; remote reset capability |
Functional Features
| Feature | Details |
|---|---|
| Overspeed Protection | Monitors prime mover speed with three units, tripping when two detect overspeed |
| Fault Tolerance | Allows operation with two units while one is tested or replaced |
| Diagnostics | LED indicators for trip, MPU failure, and CPU status; alarm output for tripped units |
Model and Configuration
| Category | Details |
|---|---|
| Base Model | 8200-205 (ProTech 203 Overspeed Protection System, 24 VDC, de-energize-to-trip) |
| Configuration | Panel-mount design with three speed-sensing modules; integrates with turbine safety systems |
Applications and Benefits
| Category | Details |
|---|---|
| Applications | Used in power generation and industrial processes involving steam, gas, or hydro turbines |
| Benefits | Reliable overspeed protection, fault-tolerant design, and easy maintenance without system shutdown |