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Nuclear power station steam turbine power measuring method and system

A power measurement and steam turbine technology, applied in the field of nuclear power, to achieve good technical effects, eliminate large errors, and accurately measure

Inactive Publication Date: 2015-03-25
中广核工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The deviation between the measured thermal power PMP and the real thermal power Phb reaches 6% FP, and the pressure transmitter of the steam turbine in the nuclear power plant fails to truly measure the power of the steam turbine

Method used

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  • Nuclear power station steam turbine power measuring method and system
  • Nuclear power station steam turbine power measuring method and system
  • Nuclear power station steam turbine power measuring method and system

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Experimental program
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Embodiment Construction

[0059] In order to make the purpose of the invention, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be emphasized that the specific implementations described in this specification are only for explaining the present invention, and are not intended to limit the application occasions of the present invention.

[0060] Please refer to figure 1 , figure 1 A method for measuring the power of a steam turbine in a nuclear power plant is provided, which includes:

[0061] Step 101 , according to the obtained initial relationship curve between the steam turbine power and the first stage inlet pressure, calculate the corresponding relationship between the steam turbine power and the pressure.

[0062] Step 103, calibrate the steam turbine pressure transmitter for the first time according to ...

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Abstract

The invention discloses a nuclear power station steam turbine power measuring method which comprises the steps that a steam turbine pressure transmitter measures steam turbine impulse stage pressure, according to a transfer function, the steam turbine impulse stage pressure is converted to a steam turbine load, the transfer function is PTU = A0 + A1(TP) + A2(TP)2, wherein PTU is the steam turbine load, TP is the steam turbine impulse stage pressure, A0, A1 and A2 are experience coefficients, and steam turbine power is obtained according to the steam turbine load. According to the nuclear power station steam turbine power measuring method, instrument features are subjected to verifying through the transfer function, and the problem that errors between measured data and practical data are large is effectively avoided. In addition, the invention further discloses another nuclear power station steam turbine power measuring method and a corresponding system.

Description

technical field [0001] The invention belongs to the technical field of nuclear power, and more specifically, the invention relates to a method and system for measuring the power of a steam turbine in a nuclear power plant. Background technique [0002] Nuclear power plants use the heat released by the controlled self-sustaining chain fission reaction of nuclear fuel as a heat source to generate electricity. The heat released by the nuclear fuel in the core passes through the water in the primary circuit of the core, and the water in the primary circuit heats the water in the secondary circuit through the steam generator to make it saturated water vapor, which turns the turbine generator to do work. In the whole process, energy is reflected in "nuclear power", "steam turbine power" and "electrical power". The control of these three parameters is realized through the RGL (rod control and rod position system) and GRE (turbine regulation system) systems, which of course include...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21D3/00G21D3/08
CPCG01L3/24Y02E30/30
Inventor 董威董孝胜苟晓龙商静唐华雄张怡石宏睿
Owner 中广核工程有限公司