The Woodward 8200-1300 represents the industry-leading 505D digital steam turbine controller, engineered for precise speed/load regulation in industrial cogeneration plants. As part of Woodward’s 8000 series turbine control platform, this unit provides ±0.25% speed control accuracy through triple-redundant 32-bit processing architecture, specifically designed for 10-100MW extraction-condensing steam turbines. The 8200-1300 integrates advanced thermodynamic algorithms that optimize sliding pressure operation in combined-cycle power plants, reducing fuel consumption by 3.2% compared to conventional PI controllers.
Featuring SIL 3-certified safety logic, this controller executes turbine emergency shutdowns in <150ms for critical petrochemical process applications. The Woodward 8200-1300 supports MODBUS TCP/IP and OPC UA communication protocols, enabling seamless integration with DCS systems in paper mill power islands. Its ruggedized design withstands 15g vibration levels in marine propulsion turbine installations while maintaining steam chest pressure control within ±0.5 bar.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 8200-1300 |
| Manufacturer | Woodward |
| Product Type | Digital Steam Turbine Controller |
| Input Voltage | 24VDC ±10% (18-32VDC) |
| Speed Inputs | 3 x magnetic pickup (4-20kHz) |
| Analog Outputs | 8 channels (4-20mA ±0.1%) |
| Relay Outputs | 6 SPDT (5A @ 250VAC) |
| Control Modes | Speed/Load/Extraction Pressure |
| Accuracy | ±0.25% of setpoint |
| Response Time | <100ms (90% step change) |
| Operating Temp | -40°C to +70°C |
| Housing Rating | NEMA 4X/IP66 |
| Dimensions | 430mm x 320mm x 150mm |
| Certifications | SIL 3, ATEX Cat 3, IEC 61508 |
Key Features and Advantages:
Adaptive control architecture: The 8200-1300 employs real-time steam quality compensation algorithms that maintain turbine efficiency during feedwater contamination events. Its predictive valve positioning logic reduces thermal stress in HP turbine casings by 40% during load ramping.
Safety integration: Triple modular redundant (TMR) processors with 2-out-of-3 voting ensure failsafe operation in nuclear plant auxiliary steam systems. The controller’s built-in SOE (Sequence of Events) recorder captures 512 events with 1ms resolution for forensic analysis.
Connectivity innovation: Embedded web server provides turbine performance dashboards accessible via HTTPS, while dual-redundant fiber optic ports enable <2ms latency communication with balance-of-plant PLCs in district heating plants.
Application Areas:
The Woodward 8200-1300 is indispensable for:
- Energy: Biomass power plant steam regulation
- Refining: FCCU wet gas compressor drives
- Marine: LNG carrier re-liquefaction plants
- Chemicals: Ammonia synthesis gas compressor control
In sugar mill back-pressure turbine applications, its extraction pressure control maintains stable process steam supply during sudden bagasse fuel variations. The controller’s salt fog corrosion resistance ensures reliable operation in coastal desalination plant steam turbines exposed to marine atmospheres.
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Installation and Maintenance:
Installation preparation: Perform insulation resistance testing (>100MΩ at 500VDC) before mounting the 8200-1300 in coal-fired power plant environments. Use Woodward-approved anti-vibration mounts when installing near reciprocating steam-driven feed pumps.
Maintenance recommendations: Conduct annual processor load tests using WTest diagnostic software. Replace cooling fans every 50,000 operational hours in cement plant kiln ID fan turbine applications. Calibrate speed sensors quarterly with LAS-3000 laser alignment tool in offshore platform installations.
Product Assurance:
Woodward guarantees 12-month operational reliability for the 8200-1300, validated through 100,000-hour accelerated lifecycle testing simulating 20-year service conditions. Each unit undergoes 168-hour burn-in testing with ±15% voltage fluctuations and 55°C thermal cycling. Global field service engineers provide 24/7 support with guaranteed 6-hour response time for critical turbine protection system failures.
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