TurboNet DASH2™ Steam Turbine Control System Retrofits
TDS Provides Customizable, Human-Machine Interface Control System Retrofits for Steam Turbines, Enhancing System Reliability and Optimizing Pressure Control With Seamless Integration With Existing Balance of Plant (BOP) Instrumentation.
Seamless OEM Integration
Retrofit Onto Existing LVDTs, Flow-Divider Pickups, and Servos—No New Hardware Needed.
Comprehensive Pressure Control
Multi-Point Regulation (Inlet, Extraction, Admission, Exhaust) to Optimize Steam and Stability.
Power Output
Control
Closed- and Open-Loop Speed, Load, and MW Control With IEEE-Compliant Overspeed Protection.
Steam Control System Features
- Inlet Pressure Control
- Auto-Regulates Drum Pressure and Optimizes Steam Utilization; Dynamically Adjusts Integral Action in Parallel-Turbine Operation.
- Initial Pressure-Loss Control
- Rate-Sensitive Valve Actuation Compensates for Rapid Boiler Pressure Drops, Reducing Water Induction.
- Extraction Pressure Control
- Single- and Double-Valve Automatic Extraction With Operator-Set Pressure and Flow Limits (as a Percentage of the Turbine’s Maximum Design Flow) and Seamless V1–V3 Header Transitions.
- Admission Pressure Control
- Integrates With Extraction Control to Optimize Steam Delivery on Machines Requiring Both Functions.
- Exhaust Pressure Control
- Controls Letdown-Station Header Pressure; Integral Action Can Be Disabled to Prevent Multi-Device Conflicts.
- Speed Control
- Proportional Control With Integral Action Offline and Real-Time Startup Acceleration, Meeting IEEE Overspeed Protection Requirements.
- Load Control
- Default Online, Open-Loop Control Calibrated to Maintain Output as a Percentage of Theoretical Load.
- Megawatt Control
- Closed-Loop Regulation Using 4–20 mA Transducer or Modbus-Enabled Relay Feedback for Precise, Fast Response.
