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AGC Coordination and Steam Temperature Optimization Control System Featured Image
  • AGC Coordination and Steam Temperature Optimization Control System

AGC Coordination and Steam Temperature Optimization Control System

The predictive control technology based on online model identification is used to replace the traditional “feedforward + PID feedback” control mode to realize AGC control and coordinated control between the boiler and the turbine. At the same time, factors influencing steam temperature like unit load, flue gas volume, coal feed rate, secondary air volume, feed water temperature are considered and identified to form a disturbance model. With this model, lag and stability problems will be solved. Besides, tracking performance of the unit will be improved so that important parameters such as steam pressure and steam temperature will be better controlled.

Detail

Product Features

1.AGC operation speed and load control accuracy can reach 2.0% / min and 0.3%
2.Pressure and temperature of main steam are more stable, for stable condition:± 0.1-0.2mpa /± 2 ℃ and for variable load condition: ±0.4MPa /±6℃
3.The set value of main steam temperature is raised to 5-8℃, and the main steam pressure operates in strict accordance with the sliding pressure curve

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