Description
Woodward 2301E-ST
Technical Specifications
- Target Prime Mover: Small Steam Turbines.
- Configuration Tool: Woodward Control Assistant or ToolKit.
- Operating Temperature: -40°C to +70°C.
Functional Features
- Steam Turbine Logic: Dedicated operational architecture for automatic, semi-automatic, and manual steam turbine start-up procedures.
- Enhanced Diagnostics: Advanced service menus for valve linearization, actuator calibration, and synchronizer setup.
- Flexible I/O: Configurable discrete and analog inputs/outputs for custom turbine protection and monitoring.
Application Scenarios
Used in industrial cogeneration, biomass power plants, and waste heat recovery systems utilizing small-scale steam turbines.
Performance Parameters
- Actuator Drive: Supports multiple actuator types including 4-20 mA, 0-200 mA, and PWM outputs.
- Speed Sensing: Adaptive speed sensing algorithm for reliable operation across varying turbine conditions.
Material Composition
Ruggedized sheet metal chassis with high-reliability electronic components designed for continuous steam plant operation.
Structural Characteristics
- Direct Drop-In: Maintains the exact physical dimensions and terminal layout of the 2301D-ST.
- Serial Interfaces: Dedicated RS-232 for local PC configuration and RS-422 for plant-wide Modbus integration.
Working Principle
Executes steam turbine-specific control logic, managing valve positioners and governing systems to maintain isochronous speed or droop load sharing while monitoring critical steam parameters.
Installation Requirements
- Checkout Procedure: Perform a comprehensive visual inspection of the actuator-to-valve linkage and MPU sensor clearance before applying power.
- Wiring: Follow the specific plant wiring diagrams for PT, CT, and actuator connections.
Usage Precautions
- Valve Limiter: Always verify the valve limiter settings to prevent over-fueling during transient conditions.
- Software Configuration: Requires PC-based setup; ensure all turbine-specific parameters are correctly mapped.
