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Control method, device and equipment for steam turbine valve, steam turbine and medium

A steam turbine and valve technology, applied in the field of nuclear power, can solve problems such as time-consuming, extremely high requirements for personal knowledge and experience

Pending Publication Date: 2022-05-10
中广核工程有限公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the current method of manual trial and error adjustment requires extremely high requirements for personal knowledge and experience, and it needs to be repeated many times, which takes a long time

Method used

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  • Control method, device and equipment for steam turbine valve, steam turbine and medium
  • Control method, device and equipment for steam turbine valve, steam turbine and medium
  • Control method, device and equipment for steam turbine valve, steam turbine and medium

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Embodiment Construction

[0046] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0047]This application is applied to the steam turbine control system in a nuclear power plant. Since one of the important sources for calculating and adjusting the reactor power of a nuclear power plant is the set value of the steam demand of the steam turbine and the electric power, at the same time, the difference between the set value of the steam demand and the electric power The smaller the deviation is, the more convenient the reactor power control system is to calculate using the set value of steam demand and electric power, and the control stability and accuracy ar...

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Abstract

The invention relates to a steam turbine valve control method and device, control equipment, a storage medium and a computer program product. The method comprises the steps that a current electric power set value of the steam turbine is obtained, and a first ratio of the electric power set value to rated electric power is obtained; the current steam demand quantity is calculated according to the current steam turbine control system, and a second ratio of the current steam demand quantity to the rated steam quantity is obtained; comparing the first ratio with the second ratio to obtain a comparison result; a preset first valve characteristic curve is adjusted according to the comparison result, a second valve characteristic curve is obtained, and the steam turbine steam inlet valve is adjusted according to the electric power set value and the second valve characteristic curve so that the valve opening degree of the steam turbine steam inlet valve can be kept corresponding to the electric power set value. By adopting the method, the steam turbine can be automatically controlled, and compared with manual control, the method is more accurate and faster in speed.

Description

technical field [0001] The present application relates to the technical field of nuclear power, in particular to a steam turbine valve control method, device, control equipment, steam turbine, storage medium and computer program product. Background technique [0002] The control mode in which the power of the nuclear island reactor follows the power of the steam turbine (hereinafter referred to as the "reactor-follower" mode) is widely used in nuclear power plants. The steam turbine control system generates the steam demand (steam demand, hereinafter referred to as SD) after logical operation of the electric power setting value. On the one hand, the steam demand controls the opening of the steam inlet control valve (hereinafter referred to as the characteristic curve) , hereinafter referred to as OP), on the other hand, send the electric power setting value and the percentage of steam demand to the respective rated amount to the reactor control system for logic operation, an...

Claims

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Application Information

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IPC IPC(8): F01D17/10
CPCF01D17/10
Inventor 陈信仁赵东阳
Owner 中广核工程有限公司
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