CN106653129A - Functional analysis method for water-supply control of vapor generator by using digital man-machine interface in nuclear power plant - Google Patents
Functional analysis method for water-supply control of vapor generator by using digital man-machine interface in nuclear power plant Download PDFInfo
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- CN106653129A CN106653129A CN201611033911.XA CN201611033911A CN106653129A CN 106653129 A CN106653129 A CN 106653129A CN 201611033911 A CN201611033911 A CN 201611033911A CN 106653129 A CN106653129 A CN 106653129A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/008—Man-machine interface, e.g. control room layout
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/08—Regulation of any parameters in the plant
- G21D3/12—Regulation of any parameters in the plant by adjustment of the reactor in response only to changes in engine demand
- G21D3/14—Varying flow of coolant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention belongs to the technical field of nuclear power design, and specifically relates to a functional analysis method for water-supply control of a vapor generator plant by using a digital man-machine interface in a nuclear power. According to the invention, through demand analysis and functional analysis for normal and accident operation, the method abstracts and sorts out a main control functional module contained by the control function of the vapor generator, and reasonably and effectively organizes and integrates monitoring and control information needed for main operation steps in the main control functional module, thereby developing the digital man-machine interface used for water-supply control of the vapor generator in a pressurized water reactor nuclear power plant; thus, operators are convenient to rapidly and accurately obtain the state and the upstream and downstream conditions of operated or monitored equipment and parameters; execution efficiency is improved; human errors are reduced; and the burden of the operators is relieved.
Description
Technical field
The invention belongs to technical field of nuclear power design, and in particular to a kind of steam of employing digital human machine interface nuclear power plant
The functional analysis approach of generator feedwater control.
Background technology
Currently, with digitlization, the high speed development of information-based, automatic technology, with totally digitilized instrument control technology
The nuclear plant digital I＆C system and advanced digitlization master of (Digital Control System, DCS system) for core
The design of control room has been widely used nuclear power projects.In advanced master control room is digitized, the manipulation employee that operator passes through master control room
Make station and complete the operation to power plant and control.
Steam generator feedwater control is the extremely important control function of PWR nuclear power plant, for adjusting nuclear power plant steam
Generator secondary side water level in demand definite value, to ensure the stable operation of unit.Steam generator feedwater control function is required
Integrated level is high, and operation requires complexity, is related to multiple systems of power plant, and the subsystem for having devised correlation in current DCS system shows
Show function, but the information shortcoming that subsystem display function is provided is comprehensive, operator need to be between different subsystem display functions
Frequent switching, and cannot meet in control steam generator water supply process while monitoring multiple systematic parameters, operating multiple systems
The requirement of system equipment, does not fully demonstrate the advantage of DCS system.
On the one hand compared to single system operation, the control function needed for steam generator feedwater control requires integrated level
Height, complex operation needs personnel's close fit to perform；On the other hand, compared with traditional master control room, in DCS system according to work
The comprehensive deficiency of the information that the subsystem display function of process system flow scheme design is provided, it is impossible to during meeting overall operation
Multiple systematic parameters are monitored simultaneously, operate the requirement of multiple system equipments.
The content of the invention
Present invention aims to the defect of prior art, there is provided a kind of employing digital human machine interface nuclear power plant
The functional analysis approach of steam generator feedwater control, in order to operator nuclear power plant is normal and accident operating conditions under quickly
Efficiently perform steam generator feedwater control function.
Technical scheme is as follows：A kind of steam generator feedwater control of employing digital human machine interface nuclear power plant
Functional analysis approach, comprise the steps：
(1) the major control function module that steam generator feedwater control is included is determined；
(2) for the major control function module described in each, the operating procedure of the major control function module is sorted out
And the monitoring needed for operating procedure and control information inventory；
(3) monitoring obtained by step (2) and control information are screened and taxonomic revision, screening and principle of classification are such as
Under：
3.1) the control operation means in control function module operating procedure should be directly contained in steam generator feedwater control
The man-machine interface of system；
3.2) it is to ensure to operate uniformity, the validity with feedback of the information, to the control operation hand in control function module
The monitoring information of direct requirement is needed in feedback of the information and operating procedure corresponding to section should be directly contained in steam generator feedwater
The man-machine interface of control；
3.3) in operating procedure without directly require monitoring information, but can be easy to operator understand control function mould
The situation of block upstream and downstream information, profile information is only retained or increase is gone to point in the feed water man-machine interface of control of steam generator
The navigation link of system display function；
(4) screening and classification information for completing to step (3) is arranged, and realizes the man-machine of steam generator feedwater control
Interface design；
(5) whether the man-machine interface of systematic analysis technique steam generator feedwater control meets and transported after normal operation and accident
Row is required, to judge information integrity, supplementary information needed, to meet nuclear power plant's service requirement.
Further, the function point of the steam generator feedwater control using digital human machine interface nuclear power plant as above
Analysis method, the major control function module described in step (1) includes：It is feed pump pump speed adjustment module, water level regulation module, auxiliary
Help feedwater control module, steam generator blowdown module.
Further, the function point of the steam generator feedwater control using digital human machine interface nuclear power plant as above
Analysis method, step includes in (4) to the principle that described information is arranged：
4.1) arrangement of man-machine interface that steam generator feedwater is controlled should with related subsystem display function as reference, with
The regularity that guarantee information shows, facilitates operator to learn and use；
4.2) man-machine interface of steam generator feedwater control is arranged with the Process flow similar to subsystem display function
Information；
4.3) upstream-downstream relationship of each system and equipment should be clearly illustrated during placement information, is distinguished not by background colour
Homologous ray is strengthening readability；
4.4) navigation link should be arranged nearby.
Beneficial effects of the present invention are as follows：Analysis method provided by the present invention, for power plant's nominal situation and accident work
Steam generator feedwater control function under condition, by operation demand analysis and function distribution, arrangement extracts primary operational
The monitoring information and operating function of step and correlation, and arrangement relevant information, shape are organized in the way of simplified technological process
Comprehensive Control into feedwater control function shows, is easy to operator quick and precisely to obtain equipment that is operated or monitoring and parameter
State and upstream and downstream situation, improve execution efficiency, reduce people because of failure, mitigate operator's burden.
By operation demand analysis and function distribution in step (1), steam generator feedwater control function is carried out into function
Packet, is refined as specific functional modules, is conducive to operator's clearly each feature operation when steam generator feeds water control function
Region, improves execution efficiency.
The effect of step (3) is the information sifting and presentation of information original for establishing steam generator feedwater control function
Then.It is designed according to this principle so that operator is in steam generator feedwater control function implementation procedure without the need for frequently cutting
Change screen.And different information are taken with detailed display, the simple screening principle for showing and not showing according to the importance of information,
So that the information in steam generator feedwater control function is more targeted, the efficiency that operator finds information is improve.
Step (4) has considered the operating habit of operator, establishes a kind of Steam Generators in NPP feedwater control
The information placement principle of function, it is ensured that the regularity of presentation of information, facilitates operator to learn and use, while improve man-machine
The friendly of interface, improves the operating efficiency of operator, alleviates operator's burden.
Description of the drawings
Fig. 1 is the analysis method flow chart of the present invention；
Fig. 2 is steam generator feedwater digital control man-machine interface example schematic.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
The purpose of steam generator feedwater control is that steam generator secondary side water level is maintained at according to unit load
On fixed water level setting valve, to prevent, water level during transient state is too high to flood drier, increases outlet steam temperature, damages steam turbine
Blade；On the other hand prevent water level too low, cause primary Ioops coolant temperature to raise, cause Core cooling water not enough, Yi Jizheng
Vapour generator heat-transfer pipe is damaged.
By the analysis of normal and accident operation demand and functional analysis, refinement sorts out steam generator control work(to the present invention
The major control function module that can be included, and by the monitoring and control needed for the main operational steps in major control function module
Information carries out rationally effectively organization integration management, develops a kind of numeral of control of feeding water for PWR nuclear power plant steam generator
Change man-machine interface.As shown in figure 1, the specific analytical method of the present invention comprises the steps：
(1) by carrying out to steam generator feedwater control function under PWR nuclear power plant nominal situation and accident conditions
Operation demand is analyzed and function distribution, specifies the major control function module that steam generator feedwater control is included, such as feed pump
Pump speed adjustment module, water level regulation module, auxiliary feedwater control module, steam generator blowdown module etc..
(2) to each major control function module, refinement sorts out main operational steps of the control module and main
Monitoring and control information inventory needed for operating procedure.
(3) on the one hand a certain control function module relevant information should be concentrated on for ease of operator's acquisition integrated information
The a certain specific regions of screen；On the other hand due to limited screen space, information contained can not be too many in a width screen, Yi Mianping
Information is excessively crowded on curtain and impact operator uses.Therefore the monitoring obtained by step (2) and control information need to be sieved
Choosing and taxonomic revision.The screening and principle of classification that the present invention is established is as follows：
3.1) the control operation means in control function module main operational steps should be directly contained in steam generator to
The man-machine interface of water management；
3.2) it is to ensure to operate uniformity, the validity with feedback of the information, to the control operation hand in control function module
The monitoring information of direct requirement is needed in feedback of the information and main operational steps corresponding to section should be directly contained in steam generator
The man-machine interface of feedwater control；
3.3) in main operational steps without directly require monitoring information, but can be easy to operator understand control work(
The situation of energy module upstream and downstream information, can only retain profile information or increase in the man-machine interface of steam generator feedwater control
Go to the navigation link of subsystem display function.
(4) in screening and the taxonomic revision that information is completed according to step (3), and practise in the operation for considering operator
After used, the arrangement principle of fixation need to be determined, reasonably arrange various information, be easy to operator to be quickly found out required information.This
Inventing the arrangement principle established is：
4.1) arrangement of man-machine interface that steam generator feedwater is controlled should with related subsystem display function as reference, with
The regularity that guarantee information shows, facilitates operator to learn and use；
4.2) man-machine interface of steam generator feedwater control is usually with the flow process shape similar to subsystem display function
Formula placement information；
4.3) upstream-downstream relationship of each system and equipment should be clearly illustrated during placement information, with dark-background to difference
System is distinguish between strengthening readability；
4.4) navigation link should be arranged nearby.
After being arranged to the information in step (3) according to above-mentioned arrangement principle, you can complete steam generator feedwater control
The man-machine interface of system.
(5) whether the man-machine interface of systematic analysis technique steam generator feedwater control meets and transported after normal operation and accident
Row is required, to judge information integrity, supplementary information needed, to meet power plant's service requirement.
Embodiment
1. major control function module is established
In nuclear power plant's shutdown process, operator carries out steam generator feedwater flow control according to unit load, carries out
Feed water flow regulating valve size Vavle switching, water level regulation etc. are operated, and need the control module and letter of design each operation for more than
Breath display, in order to operator associative operation is fast and effectively performed, therefore establishes water level regulation module.
2. screen and classification information
After the system design and function being related to water level regulation module carries out detailed analysis, this control function has been obtained
Required all information inventories.Content in inventory is carried out simplifying using the principle of step in technical solution of the present invention (3) and
Optimization：
Principle 3.1) example：Feedwater flow main inlet control valve and bypass valve and upstream and downstream isolating valve should be directly contained in
In the display function of the module；
Principle 3.2) example：To ensure uniformity, the validity of operation and feedback of the information, by corresponding to governor valve control
Feedback of the information, such as control valve opening, feedwater flow information are directly contained in the display function of the module；
Principle 3.3) example：The information such as the ruuning situation for understanding feed water flow regulating valve upstream for ease of operator, such as
The information such as liquid level, the temperature of high-pressure feed-water heater, and these information and feedwater flow controllable functions can increase without direct relation
Plus go to the navigation link of high-pressure feed-water heater subsystem display function.
3. the preferred arrangement of presentation of information
Using the principle 4.1 in technical solution of the present invention step (4)), 4.2), to show with main feedwater flow control system
Intimate Process flow arranges various information.Using principle 4.3), information needed is distinguish between with dark-background, to increase
It is strong readable.Design result is as shown in Figure 2.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications and modification to the present invention belong to the model of the claims in the present invention and its equivalent technology
Within enclosing, then the present invention is also intended to comprising these changes and modification.
Claims (3)
1. the functional analysis approach of the steam generator feedwater control of a kind of employing digital human machine interface nuclear power plant, including it is as follows
Step：
(1) the major control function module that steam generator feedwater control is included is determined；
(2) for the major control function module described in each, sort out the major control function module operating procedure and
Monitoring and control information inventory needed for operating procedure；
(3) monitoring obtained by step (2) and control information are screened and taxonomic revision, screening and principle of classification are as follows：
3.1) the control operation means in control function module operating procedure should be directly contained in steam generator feedwater control
Man-machine interface；
3.2) it is to ensure to operate uniformity, the validity with feedback of the information, to the control operation means institute in control function module
The monitoring information of direct requirement is needed in corresponding feedback of the information and operating procedure should be directly contained in steam generator feedwater control
Man-machine interface；
3.3) in operating procedure without directly require monitoring information, but can be easy to operator understand control function module on
The situation of downstream information, only retains profile information or subsystem is gone in increase in the man-machine interface of steam generator feedwater control
The navigation link of display function；
(4) screening and classification information for completing to step (3) is arranged, and realizes the man-machine interface of steam generator feedwater control
Design；
(5) whether the man-machine interface that the feedwater of systematic analysis technique steam generator is controlled meets operation after normal operation and accident and wants
Ask, to judge information integrity, information needed is supplemented, to meet nuclear power plant's service requirement.
2. the functional analysis of the steam generator feedwater control using digital human machine interface nuclear power plant as claimed in claim 1
Method, it is characterised in that：Major control function module described in step (1) includes：Feed pump pump speed adjustment module, water level are adjusted
Section module, auxiliary feedwater control module, steam generator blowdown module.
3. the function that the steam generator feedwater using digital human machine interface nuclear power plant as claimed in claim 1 or 2 is controlled
Analysis method, it is characterised in that：Step includes in (4) to the principle that described information is arranged：
4.1) arrangement of the man-machine interface that steam generator feedwater is controlled should be with related subsystem display function as reference, to ensure
The regularity of presentation of information, facilitates operator to learn and use；
4.2) man-machine interface of steam generator feedwater control is with the Process flow placement information similar to subsystem display function；
4.3) upstream-downstream relationship of each system and equipment should be clearly illustrated during placement information, not homology is distinguished by background colour
Unite to strengthen readability；
4.4) navigation link should be arranged nearby.
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| CN201611033911.XA CN106653129A (en) | 2016-11-08 | 2016-11-08 | Functional analysis method for water-supply control of vapor generator by using digital man-machine interface in nuclear power plant |
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| CN201611033911.XA CN106653129A (en) | 2016-11-08 | 2016-11-08 | Functional analysis method for water-supply control of vapor generator by using digital man-machine interface in nuclear power plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107342112A (en) * | 2016-12-01 | 2017-11-10 | 中广核工程有限公司 | Steam generator water level method for early warning and device |
| CN111738557A (en) * | 2020-05-25 | 2020-10-02 | 中国核电工程有限公司 | Water supply control strategy design method for symptom oriented accident treatment of nuclear power plant |
| CN112435768A (en) * | 2020-11-20 | 2021-03-02 | 西安热工研究院有限公司 | Method and system for controlling water supply flow of nuclear power generating unit with incremental adjusting function |
| CN113161030A (en) * | 2020-01-07 | 2021-07-23 | 中核控制***工程有限公司 | Nuclear power plant digital control room man-machine interface layout method |
| CN113409977A (en) * | 2021-06-21 | 2021-09-17 | 中国核电工程有限公司 | Design method of digital human-computer interface and digital human-computer interface |
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| CN113409977A (en) * | 2021-06-21 | 2021-09-17 | 中国核电工程有限公司 | Design method of digital human-computer interface and digital human-computer interface |
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