Steam temperature control of a superheater is one of the most essential and challenging issues in the operation of a power plant boiler. To generate electric power at a required level with the highest available efficiency without damaging the superheater, the flow rate, pressure, and temperature of the steam at the outlet of the final

Get A Quotedue to the characteristics of large delay, nonlinear super-heater, time-varying, multivariate and self-balance ability .It is difficult to establish accurate mathematical model, this paper uses the cascade fuzzy control, realize the effective control of the main steam temperature. Simulation results show that, the temperature cascade fuzzy control has fast dynamic response, good steady-state

Get A Quote2019-9-7 · A boiler or steam generator is a device used to create steam by applying heat energy to water.Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi) but, at pressures above this, it is more usual to speak of a steam generator.

Get A QuoteAbstract: An advanced control method using a microprocessor is developed for boiler steam temperature control of thermal power plants. A process dynamics model with the Kalman filter in the controller is presented which describes the dynamic plant behavior. Using the model, future changes in steam temperature are predicted and the fuel flow rate compensated accordingly.

Get A Quote1984-1-17 · A method and system for the temperature control of superheated steam in a power plant having a boiler coupled to a turbine, and a turbine bypass valve, wherein temperature control is achieved by regulating opening of the turbine bypass valve.

Get A Quote2010-1-26 · scale power generating unit have shown the validity of the proposed method. Index Terms – Large-scale boiler, reheater steam temperature, modified predictive optimal control, neural network, particle swarm optimization. I. INTRODUCTION TEAM temperature is among the several most important variables which must be controlled tightly within narrow

Get A QuoteStill by far the most common method of steam metering is the traditional orifice and differential pressure transmitter technique. 3 element boiler level control Boiler fuel

Get A Quote2015-8-11 · intelligence methods, such as adaptive control method based on multi-models [4], a method to adjust the PID gains with adaptive neuro-control system [5], a steam temperature control method using kinetics modeling method [6], control of steam temperature in the superheater system using the fuzzy control method [7], etc.

Get A Quotedue to the characteristics of large delay, nonlinear super-heater, time-varying, multivariate and self-balance ability .It is difficult to establish accurate mathematical model, this paper uses the cascade fuzzy control, realize the effective control of the main steam temperature. Simulation results show that, the temperature cascade fuzzy control has fast dynamic response, good steady-state

Get A QuoteThe Design and Simulation of A Robust Controller for Steam Temperature Process Control of Power Plants and the successful application of this method.

Get A QuoteThe steam temperature and pressure influence power generation rate, facilities, and significant subcomponents of power plants. Therefore, controlling steam temperature is critical. In this paper, we conducted modeling of temperature prediction model for steam temperature of attemperator, and compared three prediction models.

Get A Quote2019-9-18 · Measurement and control of Furnace Exit Gas Temperature (FEGT) in industrial boilers, including fossil fuel, biomass and recovery boilers, extends boiler performance and improves efficiency. Process Sensors non-contact infrared (IR) temperature sensors continuously monitor boiler temperature and trigger alarms for immediate rectification.

Get A QuoteIn connection with actual operational conditions of a 310t/h circulating fluidized bed boiler of Shanghai Petrochemical Co.Ltd.,bed temperature control characteristics of CFB

Get A QuoteTake the superheated steam system of a 330MW unit as the object, by means of the collection and research on the data of the overheating system of thermal power units and simulation tools in matlab, the results were analyzed, and then presents a construction method of the dynamic compensating function which take the load as the variable, at last, simulate and verify the constructor function.

Get A QuoteThe temperature at the outlet of reheater will have to be maintained within a narrow band. Reheater temperature variation will have an impact on the cycle efficiency of the plant. Boiler designers adopt methods like divided second pass, burner tilting, water injection, gas recirculation etc to control reheater steam outlet temperature. There are other methods like Gas recirculation, Excess air

Get A QuotePre-heating the feed water to achieve an ideal boiler feed water temperature will allow the boiler to run most efficiently as the heat input required to raise the temperature of the water up is reduced. The difference between 140°F and 180°F in boiler feed water temperature equates to about a 3-4% difference in boiler efficiency.

Get A Quotetemperature control on boiler in thermal power plant . Thermal Power Plant Working | Indian Power Sector.com. Principal. Coal based thermal power plant works on the principal of Modified Rankine Cycle.Thermal power station Wikipedia2019-2-11 · A thermal power station is a power station in which heat energy is converted to electric power.In most of the places in the world the turbine is steam

Get A Quote2019-2-19 · implementation [5] and [6]. This paper deals with option of fuzzy control implementation of superheated steam temperature control of the once-through boiler, further describes the optimization of fuzzy controller parameters for whole load range. The design of fuzzy algorithm uses non-linear characteristics of fuzzy controller.

Get A Quote2016-9-22 · To control the furnace temperature of a power plant boiler precisely, a dual-optimized adaptive model predictive control (DoAMPC) method is designed based on the data analytics. In the proposed DoAMPC, an accurate predictive model is constructed adaptively by the hybrid algorithm of the least squares support vector machine and differential evolution method.

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