CN109065198B - Nuclear power unit power boost margin monitoring method, device and system - Google Patents
Nuclear power unit power boost margin monitoring method, device and system Download PDFInfo
- Publication number
- CN109065198B CN109065198B CN201810757315.9A CN201810757315A CN109065198B CN 109065198 B CN109065198 B CN 109065198B CN 201810757315 A CN201810757315 A CN 201810757315A CN 109065198 B CN109065198 B CN 109065198B
- Authority
- CN
- China
- Prior art keywords
- power
- value
- margin
- thermal power
- maximum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention is suitable for the technical field of reactor control and protection systems, and provides a method and a device system for monitoring the power lifting margin of a nuclear power unit, wherein the method comprises the following steps: setting a fixed time interval to acquire nuclear power, thermal power and loop thermal power within a period of time, and acquiring a maximum value of the nuclear power, a maximum value of the thermal power and a maximum value of the single loop thermal power; comparing the maximum nuclear power value with the peak nuclear power limit value to obtain a first allowance, comparing the maximum thermal power value with the peak thermal power limit value to obtain a second allowance, and comparing the maximum thermal power value of the single loop with the peak thermal power limit value of the loop to obtain a third allowance; acquiring the minimum margin of the first margin, the second margin and the third margin as a theoretical margin; and acquiring a lifting margin according to the theoretical margin and a preset fixed margin. The method and the device can monitor and control the power lifting margin of the nuclear power unit, and realize full-power generation when the power meets the requirement of a full spring.
Description
Technical Field
The invention belongs to the technical field of reactor control and protection systems, and particularly relates to a method, a device and a system for monitoring power lifting margin of a nuclear power unit.
Background
At present, the control mode of the operating power of a nuclear power unit comprises: thermal power control and nuclear power control; the thermal power can be close to 99.8% FP, the nuclear power is immediately reduced when the maximum nuclear power of the four range channels exceeds 101.5% Pn, and parameters and the like are analyzed and adjusted according to the thermal power condition; based on the current regulations, each unit does not achieve full power generation, and the operating power conditions of the units are different every day, under the condition that certain conditions can achieve larger generated power, more power generation is not achieved due to the limitation of the conditions, and full generation of the unit power is not achieved.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, and a system for monitoring a nuclear power generating unit lift margin, so as to solve the problem in the prior art that no more power generation is implemented due to condition limitations, and no full generation of the unit power is implemented.
The first aspect of the embodiment of the invention provides a method for monitoring a power lifting margin of a nuclear power unit, which comprises the following steps:
setting a fixed time interval, collecting nuclear power, thermal power and loop thermal power within a period of time, and acquiring a maximum value of the nuclear power, a maximum value of the thermal power and a maximum value of the single loop thermal power;
comparing the maximum nuclear power value with the peak nuclear power limit value to obtain a first allowance, comparing the maximum thermal power value with the peak thermal power limit value to obtain a second allowance, and comparing the maximum thermal power value of the single loop with the peak thermal power limit value of the loop to obtain a third allowance;
acquiring a minimum margin value of the first margin value, the second margin value and the third margin value as a theoretical margin;
and acquiring a lifting margin according to the theoretical margin and a preset fixed margin.
A second aspect of the embodiments of the present invention provides a device for monitoring a power increase margin of a nuclear power generating unit, including:
the data acquisition unit is used for setting a fixed time interval, acquiring the nuclear power, the thermal power and the loop thermal power within a period of time, and acquiring the maximum value of the nuclear power, the maximum value of the thermal power and the maximum value of the single loop thermal power;
the first comparison unit is used for comparing the maximum nuclear power value with the peak nuclear power limit value to obtain a first allowance, comparing the maximum thermal power value with the peak thermal power limit value to obtain a second allowance, and comparing the maximum thermal power value of the single loop with the peak thermal power limit value of the loop to obtain a third allowance;
a second comparing unit, configured to obtain a minimum margin value of the first margin, the second margin, and the third margin as a theoretical margin;
and the data processing unit is used for acquiring a lifting margin according to the theoretical margin and a preset fixed margin.
A third aspect of an embodiment of the present invention provides a system for monitoring a power increase margin of a nuclear power generating unit, including: the monitoring method comprises a nuclear instrument device RPN, a centralized data processing device KIT, a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the processor realizes the steps of the monitoring method for the power lifting margin of the nuclear power generating unit when executing the computer program.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the steps of the method for monitoring a power-lifting margin of a nuclear power generating unit are implemented.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: according to the embodiment of the invention, the nuclear power, the thermal power and the loop thermal power in a period of time are collected at a fixed time interval, the minimum margin value is obtained by comparing with each power limit value, and the margin value which can be increased is obtained according to the minimum margin value and the preset fixed margin, so that the monitoring of the power increase margin of the nuclear power unit and the control and adjustment of the unit power are realized, full-power generation is realized under the condition that the nuclear power unit meets the power running state of full power generation, and the processing effect of the unit is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram illustrating an implementation flow of a method for monitoring a power-increasing margin of a nuclear power generating unit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a nuclear power generating unit power-lifting margin monitoring device provided by an embodiment of the invention;
FIG. 3 is an exemplary diagram of a system for monitoring a power-lifting margin of a nuclear power generating unit according to an embodiment of the invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Referring to fig. 1, the method for monitoring the power increase margin of the nuclear power generating unit according to the embodiment of the present invention is schematically implemented in a flow chart, and the method may be used for monitoring the power increase margin of the nuclear power generating unit every day, collecting relevant power data at a fixed time period and time interval every day, performing calculation and comprehensive analysis, obtaining a maximum margin value that can be actually increased, and implementing power full generation under a condition that power generation can be satisfied. The details are as follows:
step S101, setting a fixed time interval, collecting nuclear power, thermal power and loop thermal power in a period of time, and acquiring a nuclear power maximum value, a thermal power maximum value and a single loop thermal power maximum value.
In this embodiment, the nuclear power is a nuclear power value of four channels of a power range measured by a nuclear instrument system; the thermal power is the thermal power of the reactor core and is measured by a two-loop thermal balance system KME; the loop heat power is the heat power of a heat transmission loop, the heat transmission loop is connected with the reactor to form a reactor coolant system, and each heat transmission loop comprises an evaporator, a main coolant pump, corresponding pipelines, valves and a voltage stabilizer.
The maximum nuclear power value is the maximum value in the nuclear power data collected by the four power range channels, the maximum thermal power value is the maximum value in the collected fixed time period, and the maximum single loop value is the maximum value of one loop in a plurality of loops in the reactor coolant system.
Further, the setting of the fixed time interval, the acquisition of the nuclear power, the thermal power and the loop thermal power within a period of time, and the acquisition of the maximum value of the nuclear power, the maximum value of the thermal power and the maximum value of the loop thermal power comprise;
the set fixed time interval is one minute, and the period of time is between zero and eight points per day.
In the embodiment, each data acquisition interval is one minute, and data acquisition and statistics are performed from zero point to eight points 8 hours per day.
Further, setting a fixed time interval, collecting the nuclear power, the thermal power and the loop thermal power within a period of time, and acquiring the maximum value of the nuclear power, the maximum value of the thermal power and the maximum value of the single-loop thermal power, further comprising:
acquiring a maximum average value of the nuclear power according to the nuclear power;
and acquiring a thermal power average value according to the thermal power.
In this embodiment, the maximum average value of the nuclear power is a maximum value obtained by comparing average values of the nuclear power of each channel of the acquired power range in a fixed time period; the average thermal power value is an average value of the collected thermal power within a fixed time period, for example, from eight to twenty points, and is calculated by the centralized data processing system KIT.
Further, the maximum average nuclear power value is the maximum nuclear power value of the average nuclear power value of each power range channel within twenty minutes, and the average thermal power value is the average thermal power value within twenty minutes.
Further, the loop thermal power comprises thermal powers of two loops or three loops or four loops, and the maximum value of the single loop thermal power is the maximum value of the thermal powers of the loops collected between zero point and eight points.
In this embodiment, different nuclear power unit systems include different numbers of loops, and the centralized data processing system KIT counts the maximum single-loop thermal power value of each loop power value in a time period from zero to eight points.
In this embodiment, the minimum value, the minimum average value, the minimum value, the average deviation and the peak deviation of the nuclear power of each channel of the nuclear power, the maximum value, the minimum value and the average value of the thermal power of each channel of the nuclear power can be obtained according to the acquired data; wherein the minimum average value of the nuclear power is the minimum value in the average values of each channel; the minimum value of the nuclear power is the minimum value of all the acquired nuclear power data; the average deviation of the nuclear thermal power comprises: the difference between the maximum average nuclear power value and the average thermal power value and the difference between the minimum average nuclear power value and the average thermal power value are larger, and the difference between the two is the maximum average nuclear thermal power deviation; the absolute value of the difference between the maximum nuclear power value and the average thermal power value and the absolute value of the difference between the minimum nuclear power value and the average thermal power value are calculated, and the larger absolute value of the two differences is the peak value deviation of the nuclear thermal power. Statistical data such as those shown in table 1: the variable names are data corresponding to a first channel of a power range of a D1RPN010MA unit, a second channel of a power range of a D1RP020MA unit, a third channel of a power range of a D1RP030MA unit, a fourth channel of a power range of a D1RP040MA unit, thermal power of a reactor coolant system of the D1RCP000MY unit and thermal power of three loops of the unit, namely D1RCP010VE, D1RCP011VE and D1RCP012 VE.
TABLE 1
Through the calculation of the data, a deviation value of the nuclear thermal power can be obtained, so that whether the running state of the unit is in a reasonable state or not is judged, the nuclear thermal power deviation value of the normal running of the unit is met, when the deviation between the nuclear power of a nuclear instrument system RPN and the thermal power of a KIT system is larger than 1.5% FP, the nuclear power of the RPN system and the thermal power of a KME system are compared, if the deviation is larger than 2% FP, corresponding adjustment needs to be carried out on system parameters, and fine adjustment and power control of the unit are achieved through the comparison of the deviation values.
And S102, comparing the maximum nuclear power value with the peak nuclear power limit value to obtain a first allowance, comparing the maximum thermal power value with the peak thermal power limit value to obtain a second allowance, and comparing the maximum thermal power value with the peak thermal power limit value of the single loop to obtain a third allowance.
In this embodiment, the peak limit of the core power is 101.4% FP full power, the peak limit of the thermal power is 100% FP full power, and the peak limit of the loop thermal power is 987.7 mw; different peak limit values can be set for other different nuclear power generating unit systems according to the actual conditions of specific units, and are not specifically limited herein.
The first margin is the difference between the maximum value of the nuclear power and the limit value of the peak value of the nuclear power, in order to avoid triggering C2 alarm, the limit of the peak value of the nuclear power is set to be 101.4 percent FP, and the margin of the nuclear power is the difference between the maximum value of the actual nuclear power and the limit value of the peak value; the second allowance is the difference between the maximum value of the thermal power and the thermal power peak value limit value, the thermal power of a loop of the nuclear power unit does not exceed 100% FP, and the allowance of the thermal power of the nuclear power unit is the difference between the maximum value of the actual thermal power and the thermal power limit value 100% FP; and the third margin is the difference between the maximum value of the single-loop thermal power and the peak value of the loop thermal power, according to different nuclear power unit systems and the alarm for avoiding triggering the high thermal power of the loop of the KIT system, the alarm in the KIT system is set to 987.7MW, other systems can also be set to 994MW, and the margin of the loop thermal power is the difference between the actual maximum value of the loop thermal power and the alarm constant value.
And step S103, acquiring the minimum margin value of the first margin value, the second margin value and the third margin value, and taking the minimum margin value as a theoretical margin.
In this embodiment, to avoid triggering any one of the power alarms, the three margin values are compared, the minimum margin value is obtained, and the minimum margin value is used as the theoretical margin, for example, the theoretical maximum margin is calculated according to the statistical data in table 1 as shown in table 2:
TABLE 2
According to the theoretical margin calculation method shown in table 2, the difference between the actual maximum value and the peak limit value of each power variable is calculated respectively, three margins are obtained, and the minimum value of the three margins is taken as the theoretical margin 11.85MWe adjustable by the unit.
And step S104, acquiring a lifting margin according to the theoretical margin and a preset fixed margin.
In this embodiment, the preset fixed margin is 3 mw, and the fixed margin of 3 mw is subtracted on the basis of the theoretical margin, so as to obtain the unit lifting margin, that is, the unit availability margin is different for different nuclear power plant units, and the set fixed margins have different values, which may be specifically set according to the actual working conditions of the nuclear power plant units, and the actual unit availability margin may also be set according to the actual conditions of the different units. For example, the data statistically calculated according to tables 1 and 2 shown in table 3 is analyzed for the deviation of the RPN system nuclear power from the KIT system thermal power:
TABLE 3
In addition, the method for monitoring the power lifting margin of the nuclear power generating unit further comprises the following steps: calculating an electric power boost amount according to the boost margin.
Specifically, the actual daily total margin of all the units is counted, the daily total margin is divided by the number of the units generating the margin, the average margin of the single units in a certain day can be obtained, the average margin is multiplied by the total number of the units, the daily total margin of the total unit can be obtained, compared with the previous margin, the reduction amount of the daily total margin of the total unit is the lifting amount of the total power, the reduction amount of the daily total margin of the single units is the power lifting amount of the single units, and the output effect of the nuclear power unit is improved.
It should be noted that, within the technical scope of the present disclosure, other sequencing schemes that can be easily conceived by those skilled in the art should also be within the protection scope of the present disclosure, and detailed description is omitted here.
According to the embodiment, the nuclear power, the thermal power and the loop thermal power within a period of time are collected at fixed time intervals, the minimum margin value is obtained by comparing the minimum margin value with each power limit value, and the margin value which can be improved is obtained according to the minimum margin value and the preset fixed margin, so that the power improvement margin of the nuclear power unit is monitored, the power of the nuclear power unit is controlled and adjusted, full-power generation is realized when the nuclear power unit meets the power running state of full power generation, and the processing effect of the nuclear power unit is improved; and the fine adjustment of the unit and the control of the power are realized by analyzing the nuclear power of the RPN system and the thermal power deviation of the KIT system and comparing a plurality of deviation values.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Referring to fig. 2, the schematic diagram of a power-lifting margin monitoring device for a nuclear power generating unit according to an embodiment of the present invention is shown, and for convenience of description, only the portions related to the embodiment of the present invention are shown.
The device comprises:
the data acquisition unit 21 is used for setting a fixed time interval, acquiring the nuclear power, the thermal power and the loop thermal power within a period of time, and acquiring the maximum value of the nuclear power, the maximum value of the thermal power and the maximum value of the single loop thermal power;
the first comparison unit 22 is configured to compare the maximum nuclear power value with a peak nuclear power limit value to obtain a first margin, compare the maximum thermal power value with a peak thermal power limit value to obtain a second margin, and compare the maximum thermal power value with a peak thermal power limit value of the single loop to obtain a third margin;
a second comparing unit 23, configured to obtain a minimum margin value of the first margin, the second margin, and the third margin, and use the minimum margin value as a theoretical margin;
and the data processing unit 24 is configured to obtain a lifting margin according to the theoretical margin and a preset fixed margin.
According to the embodiment, the nuclear power, the thermal power and the loop thermal power within a period of time are collected at fixed time intervals, the minimum margin value is obtained by comparing the minimum margin value with each power limit value, and the margin value which can be improved is obtained according to the minimum margin value and the preset fixed margin, so that the power improvement margin of the nuclear power unit is monitored, the power of the nuclear power unit is controlled and adjusted, full-power generation is realized when the nuclear power unit meets the power running state of full power generation, and the processing effect of the nuclear power unit is improved; and the fine adjustment of the unit and the control of the power are realized by analyzing the nuclear power of the RPN system and the thermal power deviation of the KIT system and comparing a plurality of deviation values.
It will be apparent to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely illustrated, and in practical applications, the above function distribution may be performed by different functional units and modules as needed, that is, the internal structure of the mobile terminal is divided into different functional units or modules to perform all or part of the above described functions. Each functional module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional modules are only used for distinguishing one functional module from another, and are not used for limiting the protection scope of the application. The specific working process of the module in the mobile terminal may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
Fig. 3 is a schematic diagram of a power-increasing margin monitoring system of a nuclear power generating unit according to an embodiment of the present invention. As shown in fig. 3, the system 3 for monitoring the power increase margin of the nuclear power generating unit in this embodiment includes: a nuclear instrumentation device RPN, a centralized data processing device KIT, a processor 30, a memory 31 and a computer program 32 stored in said memory 31 and executable on said processor 30. When the processor 30 executes the computer program 32, the steps in the above-mentioned embodiments of the method for monitoring the power-lifting margin of the nuclear power generating unit, such as the steps 101 to 104 shown in fig. 1, are implemented. Alternatively, the processor 30, when executing the computer program 32, implements the functions of the modules/units in the above-mentioned device embodiments, such as the functions of the modules 21 to 24 shown in fig. 2.
Illustratively, the computer program 32 may be partitioned into one or more modules/units that are stored in the memory 31 and executed by the processor 30 to implement the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 32 in the power-lifting margin monitoring system 3 of the nuclear power plant.
The nuclear power generating unit power boost margin monitoring system can include, but is not limited to, a processor 30 and a memory 31. It will be understood by those skilled in the art that fig. 3 is merely an example of the nuclear power plant power boost margin monitoring system 3, and does not constitute a limitation of the nuclear power plant power boost margin monitoring system 3, and may include more or fewer components than those shown, or some components in combination, or different components, for example, the nuclear power plant power boost margin monitoring system may also include input-output devices, network access devices, buses, etc.
The Processor 30 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 31 may be an internal storage unit of the nuclear power generating unit power increase margin monitoring system, for example, a hard disk or a memory of the nuclear power generating unit power increase margin monitoring system. The memory 31 may also be an external storage device of the nuclear power generating unit power increase margin monitoring system 3, such as a plug-in hard disk, an intelligent memory Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are equipped on the nuclear power generating unit power increase margin monitoring system 3. Further, the memory 31 may also include both an internal storage unit and an external storage device of the nuclear power plant power boost margin monitoring system 3. The memory 31 is used for storing the computer program and other programs and data required by the nuclear power plant power boost margin monitoring system 3. The memory 31 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (12)
1. A method for monitoring power lifting margin of a nuclear power unit is characterized by comprising the following steps:
setting a fixed time interval within a period of time, collecting nuclear power, thermal power and loop thermal power, and acquiring a maximum nuclear power value, a maximum thermal power value and a maximum single-loop thermal power value;
comparing the maximum nuclear power value with the peak nuclear power limit value to obtain a first allowance, comparing the maximum thermal power value with the peak thermal power limit value to obtain a second allowance, and comparing the maximum thermal power value of the single loop with the peak thermal power limit value of the loop to obtain a third allowance;
acquiring a minimum margin value of the first margin value, the second margin value and the third margin value, and taking the minimum margin value as a theoretical margin;
and acquiring a lifting margin according to the theoretical margin and a preset fixed margin.
2. The method for monitoring the power boost margin of the nuclear power unit according to claim 1, wherein a fixed time interval is set within a period of time, the nuclear power, the thermal power and the loop thermal power are collected, and a maximum value of the nuclear power, a maximum value of the thermal power and a maximum value of the loop thermal power are obtained, including;
the set fixed time interval is one minute, and the period of time is between zero and eight points per day.
3. The method for monitoring the power increase margin of the nuclear power generating unit according to claim 1, wherein a fixed time interval is set within a period of time, the nuclear power, the thermal power and the loop thermal power are collected, and a maximum value of the nuclear power, a maximum value of the thermal power and a maximum value of the single loop thermal power are obtained, further comprising:
acquiring a maximum average value of the nuclear power according to the nuclear power;
and acquiring a thermal power average value according to the thermal power.
4. The method for monitoring the power-lifting margin of the nuclear power generating unit as claimed in claim 3, wherein the method comprises:
comparing the maximum average nuclear power value with the average thermal power value to obtain the maximum average nuclear thermal power deviation;
and comparing the maximum nuclear power value with the average thermal power value to obtain the peak nuclear thermal power deviation.
5. The nuclear power generating unit power boost margin monitoring method of claim 3, wherein the maximum average nuclear power value is the maximum of the average nuclear power values for each power range channel over twenty minutes, and the average thermal power value is the average thermal power value over twenty minutes.
6. The nuclear power generating unit power boost margin monitoring method of claim 1, wherein the loop thermal power comprises thermal power of two loops or three loops or four loops, and the single loop thermal power maximum is the maximum of the thermal power of each loop collected between zero and eight points.
7. The nuclear power generating unit power boost margin monitoring method of claim 1, wherein the nuclear power peak limit is 101.4% FP full power, the thermal power peak limit is 100% FP full power, and the loop thermal power peak limit is 987.7 megawatts.
8. The method for monitoring the power boost margin of a nuclear power generating unit as claimed in claim 1, wherein the predetermined fixed margin is 3 megawatts.
9. The method for monitoring the power-lifting margin of the nuclear power generating unit as claimed in claim 1, further comprising:
calculating an electric power boost amount according to the boost margin.
10. The utility model provides a nuclear power unit power promotes margin monitoring devices which characterized in that includes:
the data acquisition unit is used for setting a fixed time interval within a period of time, acquiring nuclear power, thermal power and loop thermal power, and acquiring a maximum nuclear power value, a maximum thermal power value and a maximum single-loop thermal power value;
the first comparison unit is used for comparing the maximum nuclear power value with the peak nuclear power limit value to obtain a first allowance, comparing the maximum thermal power value with the peak thermal power limit value to obtain a second allowance, and comparing the maximum thermal power value of the single loop with the peak thermal power limit value of the loop to obtain a third allowance;
the second comparing unit is used for acquiring the minimum margin value in the first margin value, the second margin value and the third margin value, and taking the minimum margin value as a theoretical margin;
and the data processing unit is used for acquiring a lifting margin according to the theoretical margin and a preset fixed margin.
11. A nuclear power generating unit power boost margin monitoring system comprising a nuclear instrumentation device RPN, a centralized data processing device KIT, a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 9 when executing the computer program.
12. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757315.9A CN109065198B (en) | 2018-07-11 | 2018-07-11 | Nuclear power unit power boost margin monitoring method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757315.9A CN109065198B (en) | 2018-07-11 | 2018-07-11 | Nuclear power unit power boost margin monitoring method, device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109065198A CN109065198A (en) | 2018-12-21 |
| CN109065198B true CN109065198B (en) | 2020-03-03 |
Family
ID=64815882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757315.9A Active CN109065198B (en) | 2018-07-11 | 2018-07-11 | Nuclear power unit power boost margin monitoring method, device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065198B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580964B (en) * | 2019-09-03 | 2021-05-04 | 中广核工程有限公司 | Online monitoring method and system for thermal power improvement margin of nuclear power unit |
| CN115614112B (en) * | 2022-10-11 | 2024-06-18 | 中广核工程有限公司 | Nuclear power plant steam turbine generator electric power control method and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101104894B1 (en) * | 2009-10-27 | 2012-01-12 | 한국수력원자력 주식회사 | Nuclear reactor core assessment method using thermal hydraulic safety analysis code |
| KR101444794B1 (en) * | 2012-08-17 | 2014-09-26 | 한전원자력연료 주식회사 | Method for Constructing the Pseudo Hot Pin Power Distribution Using Detector-Signal-Based Planar Radial Peaking Factor in COLSS |
| CN103808433B (en) * | 2012-11-14 | 2017-12-26 | 中国广核集团有限公司 | The monitoring method of nuclear power station thermal power measurement drift |
| CN103871511B (en) * | 2012-12-10 | 2016-08-03 | 中广核工程有限公司 | A kind of monitoring method of nuclear power plant reactor axial power distribution |
| US9261934B2 (en) * | 2013-03-15 | 2016-02-16 | Intel Corporation | Dynamic response improvement of hybrid power boost technology |
-
2018
- 2018-07-11 CN CN201810757315.9A patent/CN109065198B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109065198A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108469725B (en) | Clock timing method and terminal equipment | |
| CN109065198B (en) | Nuclear power unit power boost margin monitoring method, device and system | |
| CN109447496B (en) | Electricity stealing behavior judgment method and terminal equipment | |
| DE112017007855T5 (en) | TOP PERFORMANCE DETERMINATION FOR AN INTEGRATED CIRCUIT DEVICE | |
| CN115796406A (en) | Optimal adjustment method and system for virtual power plant | |
| CN111106628B (en) | Frequency modulation control method and device based on generator and energy storage system and terminal equipment | |
| CN113899963B (en) | Method and device for detecting interference electricity of alternating current system and terminal equipment | |
| CN109033904B (en) | Calibration and verification method and system for middle range protection setting value and terminal equipment | |
| CN111291328A (en) | Transient event identification method, system and equipment based on fine slope | |
| CN112039064B (en) | Control method based on power supply system and related device | |
| CN112820091B (en) | Power quality data transmission method, device, terminal equipment and medium | |
| CN109818089B (en) | Battery current limiting method and device | |
| CN111327072B (en) | Steam turbine control method and equipment for nuclear power unit | |
| CN113868783B (en) | Method for determining running back pressure and minimum technical output characteristic of high back pressure heat supply unit | |
| CN113129168B (en) | Line loss determination method and device for power distribution area and terminal equipment | |
| CN108805340B (en) | Method, device and system for optimizing output of nuclear power fluctuation limiting unit | |
| CN108918954B (en) | Method and system for processing intermediate range signal of nuclear instrument measurement system | |
| CN112734245B (en) | Low-voltage power distribution loop monitoring method, device and equipment | |
| CN113224959B (en) | Inverter control method and UPS | |
| CN114123164B (en) | Method and device for calculating short-circuit capacity of power system and terminal equipment | |
| CN112583052B (en) | Voltage adjustment method and related equipment | |
| CN112003459B (en) | Current control method and system of staggered parallel topology | |
| CN118211771A (en) | Power distribution network power supply capacity evaluation method and system considering network loss and voltage constraint | |
| CN117134332A (en) | Regional division method for virtual power plant operation simulation | |
| CN114899843A (en) | Calculation method and system for contribution to supporting power grid frequency safety, storage medium and calculation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |