Digital guide
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Woodward 2301D‑ST
Product Name: Woodward 2301D‑ST Digital Load Sharing & Speed Control (Steam Turbine‑Optimized)
Product Introduction: A specialized variant of the 2301D, engineered specifically for steam turbine control with integrated turbine‑specific logic and enhanced I/O for power sensing (PT/CT).
Technical Specifications:
- Power Supply: 18–40 VDC, 7 A peak (100 ms)
- Speed Input: 100–24,950 Hz (90–32,000 rpm)
Detailed content
- Power Sensing: 3 PT inputs (90–240 VAC), 3 CT inputs (0–7.2 A)
- Actuator Output: 4–20 mA or 0–200 mA, software configurable
- I/O: 2 configurable analog inputs, 8 discrete inputs, 4 relay outputs
- Communication: RS‑232 (9‑pin), Modbus RTU, ServLink (DDE)
- Operating Temp: −40°C to +70°C; Vibration: MIL‑STD 810C certified
Functional Features:
- Steam turbine‑specific functions: start valve ramp, overspeed trip, shutdown logic
- Manual/semiautomatic/automatic start sequencing
- Critical speed avoidance logic for turbine stability
- Isochronous load sharing with soft load/unload transfer
- Hazardous location certification available
Application Scenarios:
- Small‑to‑medium steam turbines driving generators/pumps/compressors
- Cogeneration plants and industrial process steam systems
- Marine steam turbine auxiliary systems
- Oil/gas field steam injection turbine control
