CN106547236A - A kind of nuclear power plant digitizes the method for designing of accident program elements - Google Patents
A kind of nuclear power plant digitizes the method for designing of accident program elements Download PDFInfo
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- CN106547236A CN106547236A CN201610909291.5A CN201610909291A CN106547236A CN 106547236 A CN106547236 A CN 106547236A CN 201610909291 A CN201610909291 A CN 201610909291A CN 106547236 A CN106547236 A CN 106547236A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0426—Programming the control sequence
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
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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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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention belongs to technical field of nuclear power design, and in particular to a kind of nuclear power plant digitizes the method for designing of accident program elements.The method formulates the digitlization strategy of digitization procedure key element by analyzing to accident operation demand and functional analysis, by element classification, combination and preferred arrangement on demand, makes that accident program is quick, precisely, efficiently carries out and complete.The present invention can make full use of the advantage of digitlization I＆C system, and comprehensive display and the control information for being related to system equipment major function in accident treatment program process is performed is provided for operator, so as to improve the safety and reliability of nuclear power plant's accident post processing.
Description
Technical field
The invention belongs to technical field of nuclear power design, and in particular to a kind of nuclear power plant digitizes the design of accident program elements
Method.
Background technology
Under PWR nuclear power plant accident operating conditions, operator need to use accident operation program.Accident program and its arrange
The three lines of defence for belonging to nuclear power plant's depth defense principle is applied, is the means of alleviation accident and restriction damage sequence.Nuclear power plant's thing
Therefore operation program requires that operator presses required function, while the parameter of the multiple systems of concern, and fast and accurately operate multiple systems
The equipment of system.
At present different from the use of the nuclear power plant of traditional master control room, new nuclear power factory is in totally digitilized instrument control technology (Digital
Control System, DCS system) on the basis of using implement digitlization accident program.Relate to due to digitizing accident program elements
And manipulate needed for incident processing procedure, all multi informations of monitoring, therefore in DCS system the design of accident program elements with whether
Can fully demonstrate that digitlization accident program advantage is directly related, scientific and reasonable digitlization accident program elements digitlization strategy will
Contribute to building the man-machine interface of optimization, and then ensure that operator more rapidly, is accurately held in DCS system under accident conditions
Act therefore program.
In different accident operation programs, although its operation being related to and monitoring information content are numerous and diverse, but coupling system design
And classification, analysis operation monitoring information relation each other, it is possible to find which has certain correlation and versatility.
The control of these functions and the monitoring of information often relate to multiple related systems.Due to showing in master-control room of nuclear power plant
With the digitlization of operational means so that newly-built digitlization nuclear power plant can provide various many to operator in very flexible mode
Sample, the presentation of information of substantial amounts and operating function.However, the information in DCS system is shown according to subsystem mostly.No
The requirement of multiple system equipments while monitoring multiple systematic parameters when can meet accident treatment, is operated, DCS is not fully demonstrated
The advantage of system.
The content of the invention
It is an object of the invention to provide a kind of nuclear power plant digitizes the method for designing of accident program elements, to make full use of
The advantage of digitlization I＆C system, provides for operator and is related to system equipment major function in accident treatment program process is performed
Comprehensive display and control information, so as to improve the safety and reliability of nuclear power plant accident post processing.
Technical scheme is as follows：A kind of nuclear power plant digitizes the method for designing of accident program elements, including as follows
Step：
(1) operation being related in determining accident program and supervision object；
(2) operation and supervision object one by one to being related in each accident program is analyzed combing, for each unit
Operation and supervision object parameter are analyzed, it is determined that the analysis of system performance inventory being related to；
(3) according to gained functional analysis inventory in step (2), based on the different initial operating modes of accident occurrence time group, pin
To particular incident operating mode, analyze the unit important safety state that need to be controlled and recover, with reference to machine set system design determine control with
Recover the system needed for important safety state, the analytical integration system is controlled and alleviates the work(involved by important safety state
Can, and this analytical integration functional analysis inventory is based on, to ensure the integrality of digital information；
(4) classification is analyzed to the key element corresponding to each unit operation and supervision object, it is first clear according to functional analysis
In single an account stated, listed elements belong to what class accident treatment stage, form the key element inventory for the different disposal stage, then
With reference to the key element inventory in established different disposal stage, the corresponding digitlization accident program elements inventory of difference in functionality is formed；
(5) for the corresponding digitlization accident program elements inventory of difference in functionality formed in step (4), it is digitized
Design；
(6) operation and function for monitoring to digitizing accident program elements is optimized；
(7) design to digitizing accident program elements is verified, by people because analysis determines operator before execution
The probability of maloperation when accident program elements are digitized determined by step is stated, and determines the high key element of misoperation probability, analyzed
The reason for which is possible, reduces its operational risk, and redesigns until functional imperative people is because of error operations probability satisfaction in analysis
Relevant laws and regulations standard is required.
Further, nuclear power plant as above digitizes the method for designing of accident program elements, the work(described in step (2)
Can analyze inventory should be distinctly claimed in accident program including the function and be not distinctly claimed but in design with operation and supervise
The equipment for being controlled depending on the related need of object or monitoring and parameter, and then determine the accident program elements of needed number.
Further, nuclear power plant as above digitizes the method for designing of accident program elements, the number described in step (5)
Wordization design is included according to key element importance and operation order, and combined process system design and functions of the equipments, and key element is carried out
Classification arrangement, to be formed for the difference in functionality that operates or monitor, in accident diagnosis or moves back the numeral that anti-different phase is used
Change key element group.
Further, nuclear power plant as above digitizes the method for designing of accident program elements, excellent described in step (6)
Change includes：
A) system equipment occurrence frequency, operation importance, the operation degree of association in all accident programs are analyzed, in letter
In the case that breath is excessively numerous and diverse, it is determined that the information of preferential display must be concentrated, to reject, part is inessential and occurrence number is few
Information, to ensure quick accessibility and accuracy in incident processing procedure；
B) key element arrangement is as far as possible clear, to improve the reliability of accident treatment；
C) design of single key element and arrangement should consider the Experience Feedback and operating habit of operations staff simultaneously.
Beneficial effects of the present invention are as follows：
1st, nuclear power plant system design is complicated, and systemic-function is varied, for the control device of same set state parameter
It is numerous and diverse with monitoring means and to be related to system more.If being operated and being monitored by subsystem display function, operation will be caused numerous
It is trivial, and then cause operator's operation to lack quick accessibility；If the system or information content chosen are very few, operator will be caused to hold
Necessary information is lacked when row associative operation and monitoring and then the accuracy of operation is affected.The present invention is by determination accident program
Operation and supervision object, and (step 1,3,4) is integrated and sorted out to the element information to determining, establishes a kind of nuclear power plant
The principle of key element operation monitoring function, to balance above-mentioned two situations so that the existing enough specific aims of operation monitoring function, and
It is unlikely to excessively careful and loses bulking property.
2nd, to make man-machine interface more friendly, the operating burden of operator is reduced, needs to make in operation monitoring control function
Information is more structured and specific aim.The step (2) and step (3) of the present invention will in establishing execution accident program process
Element operation and the integrality of function for monitoring.The information content that element is included in realizing the function of operation monitoring should meet the actual fortune of power plant
Capable needs reasonable combination and optimization, with avoid operator during user element process accident screen or picture it
Between mutual frequent switching.In addition, step (5) can make the arrangement and display mode of information must be fulfilled for the use of operator
Custom, so as to ensure that operator rapidly, accurately can position.
3rd, the higher system equipment of entering frequency and relevance in classification accident program in step (6) of the present invention, with reference to fortune
Pass through the arrangement for testing feedback optimized system equipment and operation group, improve the speed and efficiency of accident treatment, allow operator couple
There can be one more fully to understand when correlation function operation is performed or monitor, moreover it is possible to allow operator to obtain associative operation product in time
Raw feedback, improves the reliability of accident treatment.
4th, the digitlization for key element of the invention provides the foundation of design rationality, it is ensured that by using key element, accident program
Correctly intactly can be performed, so as to confirm that digitizing key element meets the Functional Requirements such as complete operation and monitoring.Meanwhile,
After the completion of the checking of accident program elements, the issue list of response is produced according to actual conditions, the problem for finding to exist feeds back to and sets
In meter, redesign optimization is carried out to key element as item is improved, with guarantor because of the maloperation for key element operation being digitized in analysis
Probability meets the requirement of relevant laws and regulations standard.
Description of the drawings
Fig. 1 is method of the present invention flow chart；
Fig. 2 is the main Feed Water Regulation System relevant factor schematic diagram of accident program evaporimeter water lev el control in embodiment；
Fig. 3 is accident program evaporimeter water lev el control auxiliary feedwater system relevant factor schematic diagram in embodiment.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in detail.
In the state of accident, operator rationally utilizes key element, by operating relevant device, monitoring important parameter, judging machine
Group state and accident development trend etc., the final purpose for realizing reactor is imported safe condition.The present invention is by transporting to accident
Row demand analysis and functional analysis, formulate digitization procedure key element digitlization strategy, by element classification, on demand combination and it is excellent
Change arrangement, accident program quickly, precisely, is efficiently carried out and is completed.
Nuclear power plant provided by the present invention digitizes the method for designing of accident program elements, comprises the following steps that：
1) it is related to operation and supervision object in determining accident program
The all accident programs of nuclear power plant are analyzed, analysis is related to what is need to operated or monitor in all accident programs
Set state image parameter.Coupling system is designed, it is determined that for involved by specific control object being in incident processing procedure
System and performed operation.
2) determine control and monitor the strategy of unit status object parameter
One by one to operating in each accident program and monitoring that content is analyzed combing, for each unit operation monitoring object
Parameter carries out comprehensive analysis, it is determined that the analysis of system performance inventory being related to.The function should be included in accident program in function list
In be distinctly claimed and be not distinctly claimed but need related to the object in design are controlled or the equipment that monitors and parameter,
And then determine the accident program elements of needed number.
3) determine element information
In different accident programs, the operation for same set state function there may be different, according to step
Rapid 2) middle gained functional analysis inventory, based on the different initial operating modes of accident occurrence time group, for particular incident operating mode, analysis
The unit important safety state that need to be controlled and recover, determines control with reference to machine set system design and recovers the important safety state institute
The system for needing, the analytical integration system control and alleviate the function involved by important safety state, and are based on this analytical integration
Functional analysis inventory, to ensure the integrality of digital information.
4) key element is sorted out
To fully demonstrate the quick accessibility and accuracy of DCS system accident program performing, and reduce the switching behaviour of screen
Make number of times, should show as far as possible on one screen for the key element corresponding to each unit operation and supervision object, but in view of letter
The limitation of breath quantity, needs to be analyzed key element classification, and the information that need to be considered has：
-- processing stage in accident program：According to functional analysis inventory conclusion, in an account stated, listed specific factor belongs to
What, such as accident diagnosis or unit move back anti-stage etc. in class accident treatment stage, form the key element inventory for the different disposal stage；
-- function in accident program：In accident program, each key element purposes is not quite similar, such as operation, periodically monitoring etc., knot
The key element inventory in established different disposal stage is closed, the corresponding key element inventory of difference in functionality is formed.
5) accident program elements digitlization
Based on step 4) in conclusion, for the corresponding digitlization accident program elements inventory of difference in functionality, be digitized
Design.According to the accident treatment strategy information such as key element importance and operation order, and combined process system design and functions of the equipments,
Classification arrangement is carried out to key element, difference in functionality is operated or monitor etc. to be formed, in accident diagnosis or move back the different phase such as anti-
The digitlization key element group for using.
6) digitize the optimization of accident program elements operation monitoring function
The operation of different key elements is more from the information on function for monitoring, species is complicated, importance is different, it is therefore desirable to optimize
Information in operation monitoring function：
A) system equipment occurrence frequency, operation importance, the operation degree of association in all accident programs are analyzed.In letter
In the case that breath is excessively numerous and diverse, it is determined that the information of preferential display must be concentrated, to reject, part is inessential and occurrence number is few
Information, to ensure quick accessibility and accuracy in incident processing procedure.For the information rejected carries out finishing analysis, pass through
Other modes show, in case needed for operator.
B) it is clear to try one's best in key element arrangement, such as considers device A B row point row arrangement, and location arrangements are similar with system flow
To reduce operator's maloperation risk, the reliability of accident treatment is improved.
C) design of single key element and arrangement should consider the factors such as the Experience Feedback and operating habit of operations staff simultaneously.
7) checking of key element
After the completion of accident program elements Design of digital, to guarantee the correctness of design and implementing and the uniformity for designing,
Checking work will be carried out to which, whether testing factor design follows uniformity, fault-tolerance, the workload for reducing operator, design
The principles such as malfunction are prevented, and feedback suggestion are provided for design optimization.By people because analysis determines that operator is performing above-mentioned steps
Determined by when digitizing accident factors maloperation probability, and determine the high key element of misoperation probability.Analyze its possible original
Cause, including the factor such as arrangement, key element display mode and style, correspondence relevant device, correspondence feedback information, reduce its behaviour as far as possible
Make risk, and repeat the above steps until functional imperative people because in analysis error operations probability meet the requirement of relevant laws and regulations standard.
Embodiment
Operated by main Feed Water Regulation System and auxiliary feedwater system mainly in master control room operator in this example
Control the Design of digital of this important set state parameter of evaporimeter water level.
1st, it is related to operation and supervision object in determining accident program
Analysis and arrangement one by one is carried out to the associative operation content of all accident programs in power station, the institute in each accident program is counted
The main Feed Water Regulation System used and auxiliary feedwater system associated device operations.Analysis obtains the main feedwater in accident program and adjusts
The equipment of system operatio control evaporimeter water level has main feed water isolating valve on each loop, and main feed-regulating valve, bypass isolation valves are other
Road regulating valve；The equipment of auxiliary feedwater system operational control evaporimeter water level has pneumatic pump, electrodynamic pump.
2nd, analyze and determine operation and the monitoring content of key element
Refinement analysis is carried out to the information that above-mentioned preliminary screening is obtained.Main Analysis its behaviour described in accident program
Equipment or the parameter for operating and monitoring is needed in making content correspondence system.If operation content is indefinite in program, root is needed
Appropriate refinement is carried out according to the operational experience feedback of operator, it is ensured that the integrality and correctness of information.More than analysis process and
As a result need to form functional analysis inventory, as the basis of subsequent operation function for monitoring design work.
For this example, the unit important safety state for controlling and alleviating under the accident conditions, is needed to be steam generation
Device water loading amount.The control and recovery system for being related to the important safety state includes starting water supply system, main feed system, auxiliary
Water supply system, main condensate extraction system etc..Based on accident program related content, it is determined that the system being related to includes main feed system
And auxiliary feedwater system, determine therefrom that corresponding analysis of system performance inventory.Including the valve and pump that need to operate, valve is examined
And whether pump state meets accident treatment and requires, and the feedback monitor means such as required flowmeter, to guarantee the standard of accident treatment
Really perform.In addition, coupling system design, it is determined that start auxiliary feedwater pneumatic pump when also need operation it is corresponding enter vapour isolating valve.
As, in different accident programs, the operation requirement and description for identical set state parameter has differences,
Therefore need to be normalized these operation contents analysis, choose wherein important and necessary operation, it is ensured that complete the behaviour
Make the integrality and correctness of the information such as equipment needed thereby and parameter.
3rd, the digitlization of key element
Under conditions of key element function for monitoring information content is allowed, it is desirable to reduce the switching times of screen, therefore as far as possible by phase
The equipment centralized arrangement of association is in same display function.The elemental function analysis inventory according to determined by above-mentioned, by main feedwater
Regulating system and auxiliary feedwater system relevant device are arranged in these three systems in One function viewing area and should be arranged in
In different display functions.To improve in incident processing procedure, operator passes through auxiliary feedwater system and main Feed Water Regulation System
The quick accessibility of control evaporimeter water level and the accuracy of operation.
4th, digitize key element optimization
For the presentation control function that above-mentioned analysis design is obtained.Coupling system design characteristics, functional analysis inventory, operation
Information in the factors optimization display function such as the importance and operation order of information, operational experience feedback, such as equipment different lines are drawn
Point, equipment different attribute etc..The operation monitoring function is designed in final analysis, as shown in Figures 2 and 3.
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 (4)
1. a kind of nuclear power plant digitizes the method for designing of accident program elements, comprises the steps：
(1) operation being related in determining accident program and supervision object；
(2) operation and supervision object one by one to being related in each accident program is analyzed combing, for the operation of each unit
It is analyzed with supervision object parameter, it is determined that the analysis of system performance inventory being related to；
(3) according to gained functional analysis inventory in step (2), based on the different initial operating modes of accident occurrence time group, for spy
Determine accident conditions, analyze the unit important safety state that need to be controlled and recover, control is determined with reference to machine set system design and recovered
The system needed for important safety state, the analytical integration system control and alleviate the function involved by important safety state,
And this analytical integration functional analysis inventory is based on, to ensure the integrality of digital information；
(4) classification is analyzed to the key element corresponding to each unit operation and supervision object, it is first true according to functional analysis inventory
In determining inventory, listed elements belong to what class accident treatment stage, form the key element inventory for the different disposal stage, then in conjunction with
The key element inventory in established different disposal stage, forms the corresponding digitlization accident program elements inventory of difference in functionality；
(5) for the corresponding digitlization accident program elements inventory of difference in functionality formed in step (4), it is digitized and sets
Meter；
(6) operation and function for monitoring to digitizing accident program elements is optimized；
(7) design to digitizing accident program elements is verified, by people because analysis determines that operator states step before execution
The probability of maloperation when accident program elements are digitized determined by rapid, and determine the high key element of misoperation probability, analyzing which can
The reason for energy, its operational risk is reduced, and is redesigned until functional imperative people is because of error operations probability satisfaction correlation in analysis
Statutory standard is required.
2. nuclear power plant as claimed in claim 1 digitizes the method for designing of accident program elements, it is characterised in that：Step (2)
Described in functional analysis inventory should be distinctly claimed in accident program including the function and not be distinctly claimed but in design
The equipment for being controlled to the need for operating and supervision object is related or monitoring and parameter, and then determine the accident journey of needed number
Sequence key element.
3. nuclear power plant as claimed in claim 1 or 2 digitizes the method for designing of accident program elements, it is characterised in that：Step
(5) Design of digital described in is included according to key element importance and operation order, and combined process system design and equipment work(
Can, classification arrangement is carried out to key element, to be formed for the difference in functionality that operates or monitor, in accident diagnosis or anti-not same order is moved back
The digitlization key element group that section is used.
4. nuclear power plant as claimed in claim 1 or 2 digitizes the method for designing of accident program elements, it is characterised in that：Step
(6) optimization described in includes：
A) system equipment occurrence frequency, operation importance, the operation degree of association in all accident programs are analyzed, in information mistake
In the case of numerous and diverse, it is determined that the information of preferential display must be concentrated, to reject the information that part is inessential and occurrence number is few,
To ensure quick accessibility and accuracy in incident processing procedure；
B) key element arrangement is as far as possible clear, to improve the reliability of accident treatment；
C) design of single key element and arrangement should consider the Experience Feedback and operating habit of operations staff simultaneously.
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| CN201610909291.5A CN106547236A (en) | 2016-10-19 | 2016-10-19 | A kind of nuclear power plant digitizes the method for designing of accident program elements |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172314A (en) * | 2017-11-23 | 2018-06-15 | 中国核电工程有限公司 | Digitize the unavailable troubleshooting analysis of strategies method of PWR nuclear power plant master control room |
| CN108389639A (en) * | 2017-09-30 | 2018-08-10 | 深圳中广核工程设计有限公司 | Nuclear plant digital is normal and system and method are arranged in accident operating standard interface |
| CN108470592A (en) * | 2018-02-28 | 2018-08-31 | 中国核电工程有限公司 | Expansion application method after a kind of nuclear power plant system accident |
| CN113238530A (en) * | 2021-04-25 | 2021-08-10 | 中国核电工程有限公司 | Monitoring system display function design method and system, verification method and display method |
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| CN103310860A (en) * | 2013-05-27 | 2013-09-18 | 中国核电工程有限公司 | Functional analysis method of accident handling display of nuclear power plant adopting digital man-machine interface |
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- 2016-10-19 CN CN201610909291.5A patent/CN106547236A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103310860A (en) * | 2013-05-27 | 2013-09-18 | 中国核电工程有限公司 | Functional analysis method of accident handling display of nuclear power plant adopting digital man-machine interface |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389639A (en) * | 2017-09-30 | 2018-08-10 | 深圳中广核工程设计有限公司 | Nuclear plant digital is normal and system and method are arranged in accident operating standard interface |
| CN108389639B (en) * | 2017-09-30 | 2020-04-14 | 深圳中广核工程设计有限公司 | Digital normal and accident operation regulation interface setting system and method for nuclear power station |
| CN108172314A (en) * | 2017-11-23 | 2018-06-15 | 中国核电工程有限公司 | Digitize the unavailable troubleshooting analysis of strategies method of PWR nuclear power plant master control room |
| CN108470592A (en) * | 2018-02-28 | 2018-08-31 | 中国核电工程有限公司 | Expansion application method after a kind of nuclear power plant system accident |
| CN113238530A (en) * | 2021-04-25 | 2021-08-10 | 中国核电工程有限公司 | Monitoring system display function design method and system, verification method and display method |
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