CN108805340A - Optimization method, the apparatus and system of one seed nucleus power fluctuation limit unit output - Google Patents
Optimization method, the apparatus and system of one seed nucleus power fluctuation limit unit output Download PDFInfo
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Abstract
The present invention is suitable for the technical field of reactor Control and protection system, provides optimization method, the apparatus and system of a seed nucleus power fluctuation limit unit output, the method includes：Acquire out-pile Nuclear Instrument system master data；Nuclear Instrument systematic parameter is determined according to the master data；The acceptance criteria for determining out-pile nuclear measurement system core power instruction rating test RPN8 is analyzed according to the Nuclear Instrument systematic parameter；Start the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.Through the embodiment of the present invention, the big reduction operation power limit unit output of core power swing amplitude can be solved the problem of.
Description
Technical field
The invention belongs to the technical field of reactor Control and protection system more particularly to a seed nucleus power fluctuation limit machines
Optimization method, the apparatus and system of group output.
Background technology
Pressurized water reactor out-pile nuclear measurement system RPN Nuclear Instruments system (Nuclear Instrumentation), by reactor core
The core power instruction fluctuation of the influence of characteristic, reactor core is big, will produce the fluctuating range close to 4%FP, wave in the end of term in reactor longevity
Dynamic amplitude is excessive, it is easy to which the protection definite value for triggering control rod promotion block signal C2 is alarmed, corresponding in order to avoid triggering
C2 control protection definite value, and reduce operation power, to limit unit output.
Invention content
In view of this, an embodiment of the present invention provides optimization method, the devices of a seed nucleus power fluctuation limit unit output
And system, to solve the problem of that the big reduction of core power swing amplitude runs power limit unit output.
The first aspect of the embodiment of the present invention provides the optimization method of a seed nucleus power fluctuation limit unit output, packet
It includes：
Acquire out-pile Nuclear Instrument system master data；
Confirm Nuclear Instrument systematic parameter according to the master data；
It is analyzed according to the Nuclear Instrument systematic parameter and determines out-pile nuclear measurement system core power instruction rating test RPN8's
Acceptance criteria；
Start the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.
The second aspect of the embodiment of the present invention provides the optimization device of a seed nucleus power fluctuation limit unit output, packet
It includes：
Data acquisition unit, for acquiring out-pile Nuclear Instrument system master data；
First data processing unit, for confirming Nuclear Instrument systematic parameter according to the master data；
Second data processing unit determines out-pile nuclear measurement system core work(for being analyzed according to the Nuclear Instrument systematic parameter
Rate indicates the acceptance criteria of rating test RPN8；
Execution unit, for starting the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.
The third aspect of the embodiment of the present invention provides a kind of out-pile Nuclear Instrument system, including：Memory, processor and
It is stored in the computer program that can be run in the memory and on the processor, the processor executes the computer
The step of optimization method of above-mentioned core power fluctuation limit unit output is realized when program.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, the computer program to realize that above-mentioned core power fluctuation limit unit goes out when being executed by processor
The step of optimization method of power.
Existing advantageous effect is the embodiment of the present invention compared with prior art：The embodiment of the present invention is by acquiring heap outer core
Instrument master data is determined Nuclear Instrument systematic parameter according to master data, and according to determining Nuclear Instrument systematic parameter
It determines the executable acceptance criterias of RPN8, starts the adjustment of Nuclear Instrument systematic parameter according to determining acceptance criteria, realize from core
Intervention operation is carried out in advance before power instruction peak value limitation unit output, more accurately corrects estimated deviation, reducing influences
The accounting of deviation before unit output, effectively evade unit output it is restricted with core power peak the phenomenon that.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the implementation process signal of the optimization method of core power fluctuation limit unit output provided in an embodiment of the present invention
Figure；
Fig. 2 is deviation accounting distribution schematic diagram before influence unit output provided in an embodiment of the present invention；
Fig. 3 is the implementation process of the optimization another method of core power fluctuation limit unit output provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is the exemplary plot of C2 control logics provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of the optimization device of core power fluctuation limit unit output provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of out-pile Nuclear Instrument system provided in an embodiment of the present invention.
Specific implementation mode
In being described below, for illustration and not for limitation, it is proposed that such as tool of particular system structure, technology etc
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
It should be appreciated that ought use in this specification and in the appended claims, the instruction of term " comprising " is described special
Sign, entirety, step, operation, the presence of element and/or component, but be not precluded one or more of the other feature, entirety, step,
Operation, element, component and/or its presence or addition gathered.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combinations and all possible combinations of one or more of associated item listed, and includes these combinations.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
It is the realization stream of the optimization method of core power fluctuation limit unit output provided in an embodiment of the present invention referring to Fig. 1
Journey schematic diagram, this method are applied to out-pile nuclear measurement system core power instruction rating test RPN8 and implement scene, and this method can be with
Include the following steps：
Step S101 acquires out-pile Nuclear Instrument system master data.
In embodiments of the present invention, the out-pile Nuclear Instrument system can continuously detect reactor capability, changed power and
Power distribution situation measures seed flux by nuclear detector；The master data includes：Average neutron flux current
Information and thermal power.
Optionally, the acquisition out-pile Nuclear Instrument system master data, including：
A1, the average neutron flux current signal for acquiring each channel of out-pile Nuclear Instrument system power range；
A2, acquisition core thermal power.
In embodiments of the present invention, the power range of out-pile Nuclear Instrument system has 4 identical independent Measurement channels, detection
Device is six section ionisation chambers, can measure the six section seed current signals on 4 tunnels and total average neutron flux current signal.Pass through heat
Balance system KME measures core thermal power.
In addition, can be acquired without data in following situations, such as：During ELPO or SO, it is three days recent within have
It lifts the schedules operations of power, have within front and back five days RPN12 or RPN8 plans, changing for 18 months in circulatory life-time MOL and before
The unit expected balanced recycle, participate in peak load regulation network.But special circumstances power plant feels the need to increase RPN8 frequency not by with the upper limit
System (contains criterion), such as has significantly affected power generation.
Step S102 determines Nuclear Instrument systematic parameter according to the master data.
In embodiments of the present invention, the master data includes average neutron flux current information and thermal power；It is reacting
When heap is in power operating states, core power and Axial power difference can be calculated, replace concentrating by KDC systems
Data processing system KIT can obtain the average value that ionisation chamber electric current is saved in four channels six of Nuclear Instrument system, according to core power,
Thermal power and Nuclear Instrument systematic parameter calculation formula confirm Nuclear Instrument systematic parameter, and are verified.
Optionally, described that Nuclear Instrument systematic parameter is confirmed according to the master data, including：
B1, upper power and lower part power are calculated according to the average neutron flux current signal；
B2, according to upper power and lower part power calculation core power and out-pile Axial power difference；
If the deviation of B3, the core power and the thermal power meet the first preset condition, and the out-pile axial power
Deviation meets the second preset condition, it is determined that the Nuclear Instrument systematic parameter is feasible.
In embodiments of the present invention, the power of the first half and lower half of ionisation chamber, i.e. upper power are calculated by adder
With lower part power；According to the core power and Axial power difference of upper power and lower part power calculation reactor, and judge core
Whether the deviation of power and thermal power meets the first preset condition, and whether Axial power difference meets the second preset condition, institute
It is the deviation that core power and thermal power maintain balance to state the first preset condition, and second preset condition is RPN out-pile axial direction work(
Axial power difference makes the difference in preset error range in the heap that rate deviation is measured with RIC systems.
If the first preset condition and the second preset condition are satisfied by, determining Nuclear Instrument systematic parameter precision can be determined that
It meets the requirements, identified Nuclear Instrument systematic parameter is feasible；It is tracked by KDC systems and obtains each section of channel six ionisation chambers of RPN
Electric current calculates the top and the bottom electric current needed for obtaining, then confirms the coefficient of unit, then the pronucleus instrument that can be free of with equivalent indirect acquisition
The top and the bottom power of table systematic parameter verifies the deviation obtained using reverse calculation algorithms, cancels the reverse calculation algorithms of RPN cabinet doors operation,
Save parameter provides the time, improves work efficiency, and improves the capacity of unit.
Step S103 is analyzed according to the Nuclear Instrument systematic parameter and is determined out-pile nuclear measurement system core power instruction calibration examination
Test the acceptance criteria of RPN8.
In embodiments of the present invention, according to the Nuclear Instrument systematic parameter of confirmation, discriminatory analysis RPN8 experiments are enforceable to test
Receive criterion.
Optionally, described analyzed according to the Nuclear Instrument systematic parameter determines out-pile nuclear measurement system core power instruction calibration
The acceptance criteria of the RPN8 of experiment, including：
C1, according to the new core power of the Nuclear Instrument systematic parameter inverse of the determination, and obtain the core power with it is described
The deviation that absolute thermal technology leads；
C2, the accounting that limitation unit output is obtained according to the deviation；
C3, the value range that the acceptance criteria that RPN8 is tested is determined according to the accounting.
In embodiments of the present invention, can be according to the new core power of identified Nuclear Instrument systematic parameter inverse, and it can be with
Obtain the deviation of core power and thermal power, deviation accounting before influence unit output provided in an embodiment of the present invention as shown in Figure 2
Distribution schematic diagram, it can be seen that deviation is more than or equal to the accounting 100% of 0.4%FP power, and deviation is more than or equal to 0.6%FP power
Accounting 92%, deviation be more than or equal to 0.6%FP power accounting 64%, therefore from reduce core power peak to unit output limit
The angle of system increases the examination of RPN8 experiment frequency on the basis of normal RPN8 starts control standard and program remains unchanged
The value range of criterion, the value range can be 0.4-0.7%FP.
Optionally, described analyzed according to the Nuclear Instrument systematic parameter determines out-pile nuclear measurement system core power instruction calibration
The acceptance criteria of the RPN8 of experiment further includes：
D1, the number for confirming and adjusting according to the value range of the acceptance criteria, analysis Nuclear Instrument systematic parameter；
D2, acceptance criteria value is confirmed according to the number.
In embodiments of the present invention, as shown in table 1, acceptance criteria is determined as 0.4%FP or 0.5%FP, core will be caused
Number and the frequency multiplication that instrument system parameter confirms and adjusts, live risk increases larger.But if be set to 0.6%FP or
0.7%FP then influences to receive substantially.Consider safety and economic impact, new acceptance criteria is set to 0.7%FP, i.e.,
When condition RPN8 after implementing frequency increase, core power is compared with thermal power maximum average deviation (considering bias direction) >=0.7%
When FP, start the confirmation and adjustment of Nuclear Instrument systematic parameter.
Step S104 starts the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.
In embodiments of the present invention, after new acceptance criteria is applied to the RPN8 after frequency increase, then each cycle will be averaged
Increase the confirmation and adjustment of 4.5 Nuclear Instrument systematic parameters newly, the lower warble rate of core power instruction will be by 24.7 days/time average, contracting
17.3 days/time are as short as, but the influence compares D2C14, shows the experience range for still falling within normal 18 months balanced recycles that reload
It is interior, acceptance criteria is positioned into 0.7%FP, the ratio intervened before unit output is limited by core power peak is 64%, is had
Effect evades the phenomenon that unit output is limited by core power peak.
It is the friendship of the optimization another method of core power fluctuation limit unit output provided in an embodiment of the present invention referring to Fig. 3
Mutual flow diagram.This method can promote the triggering of block signal C2 threshold values with control rod, and this method may comprise steps of：
Step S301, acquisition Nuclear Instrument system control rod promote block signal C2.
In embodiments of the present invention, corresponding limit value is corresponded to the limit value of RPN core power, i.e. control rod promotes block signal
C2=103%FP ± 1%FP, it is to forbid rod withdrawal signal that the control rod, which promotes block signal C2, is provided in RPN systems
The core power alarm of 102%FP, to be controlled to avoid triggering C2 alarms according to the RPN core power peak limit values of 102%FP
Or locking.
Optionally, the acquisition Nuclear Instrument system control rod promotes block signal C2, including：
The control rod for acquiring the tetra- cabinet channels Nuclear Instrument system RPN promotes block signal C2；
The control rod in four cabinet channels is promoted into block signal C2 and carries out logical operation, exports a lock-in control signal
Or two lock-in control signals.
In embodiments of the present invention, C2 control logic schematic diagrames as shown in Figure 4,4 power range channels of RPN cabinets can
To export the threshold signal of C2, the control rod in four cabinet channels is promoted into block signal C2 progress or logical operation, output one
A threshold signal；And the threshold signal of output is transmitted to master control room all the way and is alarmed, it is transmitted to nuclear power stick control stick position all the way
RGL systems carry out locking rod withdrawal.Two threshold signals are also exported after logical operation, change RGL system relay framves, into
The control of row locking rod withdrawal signal.
Optionally, after acquiring the step of Nuclear Instrument system control rod promotes block signal C2, the method further includes：
Control rod promotion block signal C2 is sent to master control room alarm unit；
Increase the delay of set time in the alarm circuit of alarm unit.
In embodiments of the present invention, block signal C2 progress or logical operation are promoted in the control rod in four cabinet channels
Afterwards, the threshold signal of output is sent to master control room alarm unit, increases time delay process, Ke Yizeng in the alarm circuit of alarm unit
The delay for adding one second makes peak value of the power swing duration within one second time, does not trigger alarm, reduces the wave of core power
It is dynamic.
Optionally, it after the step of control rod promotion block signal C2 being sent to master control room alarm unit, also wraps
It includes：
Increase the trigger condition that the control rod promotes block signal C2 alarms in the alarm circuit of alarm unit.
In embodiments of the present invention, the alarm triggering logic that can change C2 threshold values, increases the triggering item of C2 Threshold Alerts
Part, for example, can be arranged, RPN core power is more than 103%FP and core thermal power (RCP009VE) is more than 2907MWt.
The block signal C2 is sent to nuclear power Rod control and position indication system RGL by step S302.
In embodiments of the present invention, the nuclear power Rod control and position indication system RGL is in nuclear power station startup, power conversion and shutdown
Cheng Zhong monitors each beam control rod in the position of reactor core；Pass through the movement of control rod, control under the premise of ensuring reactor safety
Reactor core reactivity processed, to meet the long-term running needs of reactor；Plunger program is put forward by best, reactor is made to run
Flat power is kept to be distributed in journey；When meeting load variations, adjusts reactor capability and follow load variations；When accident occurs,
It realizes rapid shutdown and ensures shutdown margin appropriate.When receiving block signal C2, can be closed to promoting control rod
Lock.
The lock-in control stick of RGL systems is promoted the delay that circuit increases the set time by step S303.
In embodiments of the present invention, the delay that circuit increases the set time is promoted in the lock-in control stick of RGL systems, makes control
Really locking will not be triggered stick processed.
It should be noted that those skilled in the art are in the technical scope disclosed by the present invention, can be readily apparent that other
Sequencing schemes should also not repeat one by one herein within protection scope of the present invention.
Through the embodiment of the present invention, can in advance be intervened before core power indicates peak value limitation unit output, it can be with
More accurately correct expected deviation；Intervention ratio is carried out up to 64% before unit output is restricted with core power peak, is not necessarily to
Operation in RPN protection cabinets reads data and typing without borrowing also RPN cabinet key flows without artificial；PRN8 is de-militarized zone
Work is guarded without sensitizing range；It improves work efficiency, reduces error risk；It saves parameter and provides time, workflow
Cheng Gengjia is automated and digitlization.
Through the embodiment of the present invention, when starting Nuclear Instrument system parameter calibration every time and adjusting work, average influence unit goes out
The duration of power was substantially dropped to 1.14 days by 5.19 days before, and started Nuclear Instrument system parameter calibration adjustment work every time
When making the average loss of unit electrical power then by before 490,000 degree electricity/time, be greatly reduced to 80,000 degree electricity/time, every every year
Unit has retrieved 6,300,000 degree of electric quantity losses, and 4 digitlization RPN systems units are retrieved 25,200,000 degree of electricity of electric quantity loss, converted into every year
10,080,000 yuan of RMB.It can be seen that the present invention is for solving RPN030MA core power instruction peak value height and the big limitation machine of fluctuation
What group was contributed achieves noticeable achievement, and solves the problems, such as that RPN core power peak height limits unit output.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Referring to Fig. 5, it is the optimization schematic device of core power fluctuation limit unit output provided in an embodiment of the present invention, is
Convenient for explanation, illustrate only and the relevant part of the embodiment of the present invention.
The optimization device of the core power fluctuation limit unit output includes：
Data acquisition unit 51, for acquiring out-pile Nuclear Instrument system master data；
First data processing unit 52, for confirming Nuclear Instrument systematic parameter according to the master data；
Second data processing unit 53 determines out-pile nuclear measurement system core for being analyzed according to the Nuclear Instrument systematic parameter
Power indicates the acceptance criteria of rating test RPN8；
Execution unit 54, for starting the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each work(
Can module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different functions
Unit, module are completed, i.e., the internal structure of the mobile terminal are divided into different functional units or module, more than completion
The all or part of function of description.Each function module in embodiment can be integrated in a processing unit, can also be
Each unit physically exists alone, can also be during two or more units are integrated in one unit, above-mentioned integrated unit
Both the form that hardware may be used is realized, can also be realized in the form of SFU software functional unit.In addition, the tool of each function module
Body title is also only to facilitate mutually distinguish, the protection domain being not intended to limit this application.Module in above-mentioned mobile terminal
Specific work process, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Fig. 6 is the schematic diagram for the Nuclear Instrument system that one embodiment of the invention provides.As shown in fig. 6, the core instrument of the embodiment
Table system 6 includes：It processor 60, memory 61 and is stored in the memory 61 and can be run on the processor 60
Computer program 62, such as Nuclear Instrument system program.The processor 60 is realized above-mentioned when executing the computer program 62
Step in the optimization method embodiment of each core power fluctuation limit unit output, such as step 101 shown in FIG. 1 is to 104.
Alternatively, the processor 60 realizes the work(of each module/unit in above-mentioned each device embodiment when executing the computer program 62
Can, for example, module 51 to 54 shown in Fig. 5 function.
Illustratively, the computer program 62 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 61, and are executed by the processor 60, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 62 in the Nuclear Instrument system 6 is described.For example, the computer program 62 can be by
It is divided into data acquisition unit, the first data processing unit, the second data processing unit, execution unit.
The Nuclear Instrument system may include, but be not limited only to, processor 60, memory 61.Those skilled in the art can be with
Understand, Fig. 6 is only the example of Nuclear Instrument system 6, does not constitute the restriction to Nuclear Instrument system 6, may include than illustrating more
More or less component either combines certain components or different components, such as the Nuclear Instrument system can also include defeated
Enter output equipment, network access equipment, bus etc..
Alleged processor 60 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory 61 can be the internal storage unit of Nuclear Instrument system 6, such as the hard disk of Nuclear Instrument system 6 or interior
It deposits.The memory 61 can also be to match on the External memory equipment of the Nuclear Instrument system 6, such as the Nuclear Instrument system 6
Standby plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD)
Card, flash card (Flash Card) etc..Further, the memory 61 can also both include the interior of the Nuclear Instrument system 6
Portion's storage unit also includes External memory equipment.The memory 61 is for storing the computer program and the Nuclear Instrument
Other programs needed for system and data.The memory 61, which can be also used for temporarily storing, have been exported or will export
Data.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each work(
Can unit, module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device are divided into different functional units or module, more than completion
The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used
It, can also be above-mentioned integrated during two or more units are integrated in one unit to be that each unit physically exists alone
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.In addition, each function list
Member, the specific name of module are also only to facilitate mutually distinguish, the protection domain being not intended to restrict the invention.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as
Multiple units or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be by some interfaces, device
Or INDIRECT COUPLING or the communication connection of unit, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can be stored in a computer read/write memory medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of flow in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
May include：Any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic of the computer program code can be carried
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to legislation in jurisdiction and the requirement of patent practice
Subtract, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier signal and
Telecommunication signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to aforementioned reality
Applying example, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each
Technical solution recorded in embodiment is modified or equivalent replacement of some of the technical features；And these are changed
Or replace, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (12)
1. the optimization method of a seed nucleus power fluctuation limit unit output, which is characterized in that including：
Acquire out-pile Nuclear Instrument system master data；
Nuclear Instrument systematic parameter is determined according to the master data；
The examination for determining out-pile nuclear measurement system core power instruction rating test RPN8 is analyzed according to the Nuclear Instrument systematic parameter
Criterion；
Start the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.
2. the optimization method of core power fluctuation limit unit output as described in claim 1, which is characterized in that the acquisition heap
Outer core instrument system master data, including：
Acquire the average neutron flux current signal in each channel of out-pile Nuclear Instrument system power range；
Acquire core thermal power.
3. the optimization method of core power fluctuation limit unit output as claimed in claim 2, which is characterized in that described according to institute
It states master data and confirms Nuclear Instrument systematic parameter, including：
Upper power and lower part power are calculated according to the average neutron flux current signal；
According to upper power and lower part power calculation core power and out-pile Axial power difference；
If the deviation of the core power and the thermal power meets the first preset condition, and the out-pile Axial power difference meets
Second preset condition, it is determined that Nuclear Instrument systematic parameter is feasible.
4. the optimization method of core power fluctuation limit unit output as claimed in claim 3, which is characterized in that described according to institute
State the acceptance criteria that the analysis of Nuclear Instrument systematic parameter determines the RPN8 of out-pile nuclear measurement system core power instruction rating test, packet
It includes：
According to the new core power of the Nuclear Instrument systematic parameter inverse of the determination, the core power is obtained and deviation that thermal technology leads
Value；
The accounting of limitation unit output is obtained according to the deviation；
The value range of the acceptance criteria of RPN8 experiments is determined according to the accounting.
5. the optimization method of core power fluctuation limit unit output as claimed in claim 4, which is characterized in that described according to institute
The acceptance criteria that the analysis of Nuclear Instrument systematic parameter determines the RPN8 of out-pile nuclear measurement system core power instruction rating test is stated, is also wrapped
It includes：
According to the value range of the acceptance criteria, analysis Nuclear Instrument systematic parameter confirms and the number of adjustment；
Confirm acceptance criteria value according to the number.
6. the optimization method of core power fluctuation limit unit output as described in claim 1, which is characterized in that the method is also
Including：
It acquires Nuclear Instrument system control rod and promotes block signal C2；
The block signal C2 is sent to nuclear power Rod control and position indication system RGL；
The lock-in control stick of RGL systems is promoted into the delay that circuit increases the set time.
7. the optimization method of core power fluctuation limit unit output as claimed in claim 6, which is characterized in that the acquisition core
Instrument system control rod promotes block signal C2, including：
The control rod for acquiring the tetra- cabinet channels Nuclear Instrument system RPN promotes block signal C2；
The control rod in four cabinet channels is promoted into block signal C2 and carries out logical operation, export a lock-in control signal or
Two lock-in control signals.
8. the optimization method of core power fluctuation limit unit output as claimed in claim 6, which is characterized in that in acquisition core instrument
After table system control rod promotes the step of block signal C2, the method further includes：
Control rod promotion block signal C2 is sent to master control room alarm unit；
Increase the delay of set time in the alarm circuit of alarm unit.
9. the optimization method of core power fluctuation limit unit output as claimed in claim 8, which is characterized in that by the control
After stick processed promotes the step of block signal C2 is sent to master control room alarm unit, further include：
Increase the trigger condition that the control rod promotes block signal C2 alarms in the alarm circuit of alarm unit.
10. the optimization device of a seed nucleus power fluctuation limit unit output, which is characterized in that including：
Data acquisition unit, for acquiring out-pile Nuclear Instrument system master data；
First data processing unit, for confirming Nuclear Instrument systematic parameter according to the master data；
Second data processing unit determines that out-pile nuclear measurement system core power refers to for being analyzed according to the Nuclear Instrument systematic parameter
Show the acceptance criteria of rating test RPN8；
Execution unit, for starting the adjustment of Nuclear Instrument systematic parameter according to the acceptance criteria.
11. a kind of out-pile Nuclear Instrument system, including memory, processor and it is stored in the memory and can be at the place
The computer program run on reason device, which is characterized in that realized when the processor executes the computer program as right is wanted
The step of seeking any one of 1 to 9 the method.
12. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In when the computer program is executed by processor the step of any one of such as claim 1 to 9 of realization the method.
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| CN111724920A (en) * | 2020-05-21 | 2020-09-29 | 岭东核电有限公司 | Axial power deviation control method for end-of-life power reduction of nuclear power station reactor |
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