CN109213108B - Nuclear power station operator operation auxiliary support system and method - Google Patents
Nuclear power station operator operation auxiliary support system and method Download PDFInfo
- Publication number
- CN109213108B CN109213108B CN201811324818.3A CN201811324818A CN109213108B CN 109213108 B CN109213108 B CN 109213108B CN 201811324818 A CN201811324818 A CN 201811324818A CN 109213108 B CN109213108 B CN 109213108B
- Authority
- CN
- China
- Prior art keywords
- server
- gateway server
- calculation
- operator
- support program
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004364 calculation method Methods 0.000 claims abstract description 69
- 238000012545 processing Methods 0.000 claims abstract description 50
- 238000012544 monitoring process Methods 0.000 claims description 39
- 230000006870 function Effects 0.000 claims description 36
- 238000004891 communication Methods 0.000 claims description 19
- 239000002826 coolant Substances 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 13
- 238000012937 correction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 6
- 230000008646 thermal stress Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 206010063385 Intellectualisation Diseases 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Images
Classifications
-
- 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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/001—Computer implemented control
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
-
- 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
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33139—Design of industrial communication system with expert system
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention provides a nuclear power station operator operation auxiliary support system and a method, wherein the auxiliary support system comprises at least one row of gateway servers, application calculation servers correspondingly connected with each gateway server and at least one row of operator workstations, the gateway servers are used for reading data in a DCS real-time data network according to an execution cycle, the application calculation servers are used for calculating and processing the data, and the calculation processing result is sent to the DCS real-time data network through the gateway servers; and the operator workstation is used for reading and displaying a calculation processing result from the DCS real-time data network so as to assist an operator in operating the nuclear power plant. The nuclear power station operator operation auxiliary support system and the method provided by the invention are configured with special software and hardware resources, thereby improving the intensification and intellectualization of the operator operation auxiliary support system and reducing the workload of operator state identification and working condition analysis.
Description
Technical Field
The invention relates to the technical field of nuclear power control, in particular to a nuclear power station operator operation auxiliary support system and method.
Background
The most important targets of the operation of the nuclear power station are safety and economy, so that the safe, stable and economical operation of the nuclear power station is ensured, a reliable safety protection system is required, an intelligent and efficient digital monitoring and control system is also required, complete information capable of accurately reflecting the operation states of a power plant system and equipment can be provided for an operator in real time, and the operator is assisted to intelligently and efficiently monitor the state of the power station and safely and economically operate the power station.
In a known digital control system of a nuclear power station, partial operator auxiliary support functions are designed and realized, such as functions of reactor radial power inclination calculation, axial power deviation monitoring, redundant sensor value taking, reactor coolant temperature and pressure monitoring, turbine performance calculation and the like. However, the auxiliary support functions have the phenomena of blocking and fragmentation, the support functions are dispersed, the intensification level is low, systematic complete functions are not formed by integration and optimization, the system is not convenient to design and maintain, and the operation support and load reduction effects on operators are limited; meanwhile, when the power station normally operates, the auxiliary support functions generate a large amount of data calculation processing and storage, which consumes a CPU and memory resources of the calculation server, reduces the data processing performance of a DCS (Distributed Control System) calculation server, and may cause the computer server to crash in a severe case.
Therefore, an operator operation auxiliary support system with more complete functions and more intelligent algorithms is urgently needed to be designed, and an operator is effectively assisted to safely and economically operate the power plant.
Disclosure of Invention
The invention provides an intelligent and intensive operation auxiliary support system and method for operators of a nuclear power station, aiming at the problems in the prior art.
The technical scheme of the invention for solving the technical problems is as follows: in one aspect, a nuclear power plant operator operation assistance support system is provided, including:
the gateway servers are in communication connection with the DCS real-time data network and used for reading data in the DCS real-time data network according to an execution period and sending the read data to the application computing server correspondingly connected with each gateway server;
the application computing server is correspondingly connected with each gateway server and used for computing the received data and outputting the computing processing result to the gateway server, and the gateway server is also used for sending the computing processing result to the DCS real-time data network according to the execution period;
the operator workstations are used for reading and displaying a calculation processing result from the DCS real-time data network so as to assist an operator to operate the nuclear power plant;
the gateway server is also used for calling the auxiliary support program to perform calculation processing on the data according to a set processing cycle;
the plurality of auxiliary support programs including a first set of programs for implementing nuclear power plant safety function displays, a second set of programs for implementing nuclear power plant performance assessment functions, a third set of programs for implementing technical specification monitoring functions, a fourth set of programs for implementing computerized operator support functions, and a fifth set of programs for implementing signal conversion calculations and processing functions;
the first set of programs includes a reactor coolant system leak rate monitoring support program, a containment leak rate monitoring support program, a pit level monitoring support program, and a shutdown safety function monitoring support program; the second program set comprises a power plant performance calculation support program and a turbine thermal stress calculation support program; the third program set comprises a decay heat calculation support program, a power plant operation mode calculation support program, a power plant important equipment state monitoring support program and a control rod position monitoring support program; the fourth program set comprises a reactor coolant temperature and pressure monitoring support program, a reactor coolant temperature rise/fall calculation support program and a countdown rate calculation support system; the fifth program set includes a flow signal correction support program, a liquid level signal correction support program, and a signal change rate calculation support program.
In the above-mentioned auxiliary support system of the present invention, the gateway server includes:
the data transmission module is in communication connection with the DCS real-time data network, is used for carrying out data transmission with the DCS real-time data network and is also used for sending alarm information when data transmission fails;
the data synchronization module is connected with other gateway servers in the at least one row of gateway servers and used for keeping the data synchronization of each gateway server;
the data isolation module is used for realizing the electrical isolation of the data communication between the auxiliary support system and the DCS;
and the operation management and configuration module is connected with the application computing server and is used for performing operation management on the auxiliary support program.
In the above-mentioned auxiliary support system of the present invention, the at least one row of gateway servers includes a main gateway server and a backup gateway server respectively disposed in different fire protection zones, the main gateway server is in real-time communication connection with the DCS real-time data network, the backup gateway server and the main gateway server maintain data synchronization, and the backup gateway server is further configured to monitor an operation state of the main gateway server in real time to automatically switch operation when the main gateway server fails in operation.
In the above-mentioned auxiliary support system of the present invention, the application computing server includes a main application computing server connected to the main gateway server and a backup application computing server connected to the backup gateway server, the main application computing server is in real-time communication connection with the main gateway server, the backup application computing server maintains data synchronization with the main application computing server, and the backup application computing server is further configured to monitor an operation state of the backup application computing server in real time, so as to automatically switch operation when the backup application computing server fails in operation.
In the auxiliary support system of the present invention, the data isolation module implements electrical isolation between the auxiliary support system and the DCS system data communication by sharing the memory.
In the above-mentioned assistance support system of the present invention, the operator workstation is provided with a human-machine interface, the human-machine interface is configured to provide the calculation processing result to the operator in a screen display, and the human-machine interface is further configured to receive an operation input of the operator.
In another aspect, a method for assisting in supporting the operation of a nuclear power plant operator is also provided, which includes the steps of:
s1, reading data in the DCS real-time data network through at least one row of gateway servers according to an execution cycle, and sending the read data to an application computing server correspondingly connected with each gateway server;
s2, calculating the read data through the application calculation server, and outputting the calculation result to the gateway server;
s3, sending the calculation processing result to a DCS real-time data network according to the execution cycle through the gateway server;
and S4, reading and displaying the calculation processing result from the DCS real-time data network through at least one row of operator workstations to assist operators in operating the nuclear power plant.
In the above-mentioned auxiliary support method of the present invention, step S2 specifically includes:
and calling a plurality of auxiliary support programs running on the application computing server through the gateway server to perform computing processing on the data according to a set processing period.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the auxiliary support system and the method can be used as an independent instrument control system by configuring special software and hardware resources, improve the stability and function configuration and expansion flexibility of the auxiliary support system operated by an operator, simultaneously improve the intensification of the auxiliary support function of the operator and the intellectualization of monitoring the operating state of the power plant and judging the operating event, and reduce the workload of identifying the state of the operator and analyzing the working condition; meanwhile, the auxiliary support system is provided with the servers which are mutually redundant, the data are synchronized in real time and mutually standby, and the data calculation and processing performance of the system is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is an architecture diagram of an operator operation assistance support system provided by an embodiment of the present invention;
FIG. 2 is an operational schematic diagram of an operator operation assistance support system provided by an embodiment of the present invention;
fig. 3 is a flowchart of an operator operation assistance support method according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will more clearly understand the present invention, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In order to solve the problems that the support function of the conventional auxiliary support program is dispersed, the intensification level is low, a systematic complete function is not formed, and the workload of an operator cannot be effectively reduced, the invention aims to provide an auxiliary support system and a method for the operation of a nuclear power station operator, and the core idea is as follows: the gateway server reads data in the DCS real-time data network according to the execution period and sends the read data to the application calculation server, the application calculation server calculates and processes the data and outputs the calculation result to the gateway server, the gateway server sends the calculation processing result to the DCS real-time data network according to the execution period, an operator workstation can read and display the related calculation processing result, an operator judges the operation state of a system and equipment according to the related data result and executes related operations, the intellectualization of power plant operation state monitoring and operation event judgment is obviously improved, and the workload of operator state identification and working condition analysis is reduced.
Example one
Referring to fig. 1, an embodiment of the present invention provides a nuclear power plant operator operation assistance support system, which includes at least one row of gateway servers 20, an application computing server 30 connected to each gateway server 20, and at least one row of operator workstations 40;
the gateway server 20 is in communication connection with the DCS real-time data network 10 and is configured to read data in the DCS real-time data network 10 according to an execution period and send the read data to the application calculation server 30 correspondingly connected thereto, the application calculation server 30 is configured to perform calculation processing on the received data and output a calculation processing result to the gateway server 20, the gateway server 20 is further configured to send the calculation processing result to the DCS real-time data network 10 according to the execution period, the operator workstation 40 is configured to read the calculation processing result from the DCS real-time data network 10, and meanwhile, the operator workstation 40 is provided with a human-computer interface through which an operator can read related data to assist the operator in operating the nuclear power plant.
In this embodiment, the data in the DCS real-time data network 10 is derived from the DCS calculation server, and the gateway server 20 reads the data in the DCS real-time data network 10 according to an execution cycle, where the execution cycle is preferably 1 time/second, so as to ensure the data processing efficiency.
Further, as shown in fig. 2, the auxiliary support system further includes a plurality of auxiliary support programs 33 running on the application computing server 30, an algorithm of each auxiliary support program 33 is developed through C language, an executable program is generated through programming, and the gateway server 20 calls the executable program in real time and performs computing processing on data according to a set processing cycle, where the processing cycle is preferably 1 to 5 seconds, so as to ensure processing efficiency.
The gateway server 20 comprises a data transmission module 23, a data synchronization module 24, a data isolation module 25 and an operation management and configuration module 26;
the data transmission module 23 is connected to the DCS real-time data network 10, and is configured to implement data transmission between the gateway server 20 and the DCS real-time data network 10, and the data transmission module 23 is further configured to send alarm information when the data transmission fails, and send the alarm information to a human-computer interface of the operator workstation 40 to remind an operator. Meanwhile, other standby gateway servers can also detect the alarm information so as to automatically switch to operate other normal standby gateway servers when the gateway servers fail to operate;
the data synchronization module 24 is connected to other gateway servers, and is configured to maintain data synchronization between each gateway server;
the data isolation module 25 is used for realizing the electrical isolation of the data communication between the auxiliary support system and the DCS system and ensuring that the fault of the auxiliary support system operated by an operator does not influence the stability of the operation of the DCS system; in this embodiment, the data isolation module 25 implements electrical isolation of data communication between the auxiliary support system and the DCS system in a shared memory manner, which belongs to one of interface communication manners and allows two or more processes to access the same memory;
the operation management and configuration module 26 is connected to the application computing server 30, and is configured to perform operation management on the auxiliary support program running on the application computing server 30, including importing/deleting of the auxiliary support program, start/stop operation, operation parameter adjustment, report and alarm management, system maintenance configuration, and the like.
Furthermore, the auxiliary support system in this embodiment is configured with two rows of redundant program computing services, the two rows of servers are mutually standby, and data are synchronized in real time, so as to improve the data computing and processing performance of the system.
Specifically, the gateway servers 20 in at least one column include a main gateway server 21 and a backup gateway server 22, so as to implement redundancy configuration, the main gateway server 21 is in real-time communication connection with the DCS real-time data network 10, the backup gateway server 22 can maintain data synchronization with the main gateway server 21 manually or in a fixed-period automatic synchronization manner, the backup gateway server 22 is further configured to monitor and compare the operation state of the main gateway server 21 in real time, and if the main gateway server 21 fails to operate, the backup gateway server 22 automatically switches to operate.
Similarly, the application computing server 30 includes a main application computing server 31 connected to the main gateway server 21, and a backup application computing server 32 connected to the backup gateway server 22, where the main application computing server 31 is connected to the main gateway server 21 in real-time communication for performing computing processing on data, the backup gateway server 22 can maintain data synchronization with the backup application computing server 32 manually or in a fixed-period automatic synchronization manner to ensure that the computing processing results are consistent, and the backup application computing server 32 is further configured to monitor and compare the operation status of the main application computing server 31 in real time, and if the main application computing server 31 fails to operate, the backup application computing server 32 automatically switches to operate.
The main gateway server 21 and the main application computing server 31, and the standby gateway server 22 and the standby application computing server 32 are respectively arranged in two different fire zones of an instrument control equipment computer room A/B. In the actual operation process, only the main gateway server 21 and the main application computing server 31, the standby gateway server 22 and the standby application computing server 32, which are in real-time communication with the DCS real-time data network 10, maintain the hot standby state in a data synchronization manner, so that the data computing and processing performance of the system is improved.
Further, the plurality of auxiliary support programs includes a first set of programs for implementing nuclear power plant safety functions display, a second set of programs for implementing nuclear power plant performance assessment functions, a third set of programs for implementing technical specification monitoring functions, a fourth set of programs for implementing computerized operator support functions, and a fifth set of programs for implementing signal conversion calculations and processing functions.
Specifically, the first program set provides a nuclear power plant safety function display according to the relevant requirements, and the method comprises the following steps:
reactor coolant system leak rate monitoring support program: for providing to the operator via the operator workstation a total leak level, identifiable and unidentifiable leak levels, and identifiable and unidentifiable leak rates for the reactor coolant system over its specified calculated time;
a containment leak rate monitoring support program for calculating and monitoring a total containment gas leak rate;
a pit liquid level monitoring support program for calculating and monitoring the leak rate of the reactor coolant system to the containment pit;
the shutdown safety function monitoring support program monitors the state during a reactor shutdown.
The second program set is used for realizing the performance evaluation function of the nuclear power plant, and specifically comprises the following steps:
the power plant performance calculation support program is used for calculating the reactor heat output, the steam generator heat output, the thermal performance of the steam turbine set, the thermal performance of a regenerative system and the like of the nuclear power plant;
and the turbine thermal stress calculation support program is used for calculating the thermal stress, the temperature distribution and the total service life of the turbine rotor.
The third set of programs is intended to provide information for effectively monitoring the defense-in-depth function, and specifically includes:
decay heat calculation support routines for calculating the decay heat and time to boiling of the reactor core and spent fuel pool;
a power plant operation mode calculation support program for calculating a current power plant operation mode according to the power plant parameters;
the monitoring support program of the state of the important equipment of the power plant is used for calculating the availability and the operable state of the important equipment of the power plant;
a control rod position monitoring support program for detecting the rod position deviation of the control rods, the rod group moving sequence, the insertion/lifting limit, and the like.
The fourth program set is used for supporting various process data required by the operation of the power plant related to the technical specification and normal operation regulation of the power plant, and specifically comprises the following steps:
a reactor coolant temperature and pressure monitoring support program for monitoring reactor coolant system temperature and pressure;
a reactor coolant temperature increase/decrease calculation support program for calculating a reactor coolant temperature increase/decrease rate in the power plant temperature increase and decrease process;
and the back counting rate calculation support program is used for calculating the back counting rate according to the signals collected by the out-of-pile detector in the power plant pile starting stage.
The fifth program set is used for performing basic signal calculation and processing to provide other system and support program use, and specifically comprises the following steps:
a flow signal correction support program for correcting flow signals for single-phase flow and two-phase flow;
a liquid level signal correction support program for calculating a correction value of the liquid level signal;
a signal rate of change calculation support program for calculating a running average of plant specific input signals over a period of 5 seconds, 1 minute, 1 hour, etc.
Specifically, taking the flow signal correction support program as an example, which comprehensively considers that the thermal expansion coefficient, the pressure and the temperature of the fluid have influence on the density of the fluid, and the flow measurement value cannot accurately reflect the actual mass flow and the volume flow of the fluid, it is necessary to correct the single-phase flow, that is, to multiply the measured flow at the current measurement point by a correction coefficient, where the correction coefficient is related to the pressure temperature of the current fluid and the pressure temperature at the correction target point, and the specific correction algorithm is as follows:
CM＝VF*FM*CF
CF＝TC*SVC
TC＝(1+TE*(T-TB))EXP
SVC＝(SV/SVC)0.5
wherein, CMIs the corrected mass flow; VF is the Venturi fouling coefficient; fMTo measure flow; t isCIs the thermodynamic coefficient; SVCIs a specific volume coefficient; t isEIs the fluid linear thermal expansion coefficient; t is the measured temperature; t isBTo correct the temperature; EXP is the coefficient of linear thermal expansion; SV is the specific volume of the liquid calculated according to an IF97 steam table under the temperature and the pressure of the current measured flow; SVC is the specific volume at the calibration point temperature and pressure.
Therefore, the auxiliary support system provided by the embodiment not only provides the functions of reactor radial power inclination calculation, axial power deviation monitoring, redundant sensor value taking, reactor coolant temperature and pressure monitoring and steam turbine performance calculation, but also supplements and realizes a plurality of advanced intelligent operator operation auxiliary support functions through research and optimization, has centralized functions, optimizes the monitoring method of key parameters and equipment of the power station, improves the monitoring efficiency of the operator power station state, and greatly reduces the workload of manual analysis and judgment of operators.
Example two
An embodiment of the present invention provides an auxiliary support method for operation of a nuclear power plant operator, which can implement all the processes of the auxiliary support system for operation of a nuclear power plant operator, and with reference to fig. 3, the auxiliary support method includes the following steps:
s1, reading data in the DCS real-time data network through at least one row of gateway servers according to an execution cycle, and sending the read data to an application computing server correspondingly connected with each gateway server;
s2, calculating the read data through the application calculation server, and outputting the calculation result to the gateway server;
s3, sending the calculation processing result to a DCS real-time data network according to the execution cycle through the gateway server;
and S4, reading and displaying the calculation processing result from the DCS real-time data network through at least one row of operator workstations to assist operators in operating the nuclear power plant.
Specifically, step S2 includes:
and calling a plurality of auxiliary support programs running on the application computing server through the gateway server to perform computing processing on the data according to a set processing period.
In summary, the invention provides a nuclear power plant operator operation auxiliary support system and method, which has the following beneficial effects:
(1) an intelligent and intensive operator operation auxiliary support system is provided, the intelligentization of monitoring the operation state of the power plant and judging the operation event is obviously improved, and the workload of operator state identification and working condition analysis is reduced;
(2) the system is provided with special software and hardware resources, two rows of redundant program computing servers are provided, data are synchronized in real time, the two rows of servers are mutually standby, the data computing and processing performance of the system is improved, the software and hardware resources can be reasonably configured and optimized according to the performance requirements of the system, the data processing of the DCS is not influenced, and the function expansion flexibility of the system and the intensification degree of the system are greatly increased.
(3) The method and the way for monitoring the nuclear power station by an operator are optimized, and the technical level of the advanced third-generation nuclear power station operation support is achieved.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. An operator operation assistance support system for a nuclear power plant, comprising:
the gateway servers are in communication connection with the DCS real-time data network and used for reading data in the DCS real-time data network according to an execution period and sending the read data to the application computing server correspondingly connected with each gateway server;
the application computing server is correspondingly connected with each gateway server and used for computing the received data and outputting the computing processing result to the gateway server, and the gateway server is also used for sending the computing processing result to the DCS real-time data network according to the execution period;
the operator workstations are used for reading and displaying a calculation processing result from the DCS real-time data network so as to assist an operator to operate the nuclear power plant; the gateway server is also used for calling the auxiliary support program to perform calculation processing on the data according to a set processing cycle;
the plurality of auxiliary support programs including a first set of programs for implementing nuclear power plant safety function displays, a second set of programs for implementing nuclear power plant performance assessment functions, a third set of programs for implementing technical specification monitoring functions, a fourth set of programs for implementing computerized operator support functions, and a fifth set of programs for implementing signal conversion calculations and processing functions;
the first set of programs includes a reactor coolant system leak rate monitoring support program, a containment leak rate monitoring support program, a pit level monitoring support program, and a shutdown safety function monitoring support program;
the second program set comprises a power plant performance calculation support program and a turbine thermal stress calculation support program;
the third program set comprises a decay heat calculation support program, a power plant operation mode calculation support program, a power plant important equipment state monitoring support program and a control rod position monitoring support program;
the fourth program set comprises a reactor coolant temperature and pressure monitoring support program, a reactor coolant temperature rise/fall calculation support program and a countdown rate calculation support system;
the fifth program set comprises a flow signal correction support program, a liquid level signal correction support program and a signal change rate calculation support program; the gateway server includes:
the data transmission module is in communication connection with the DCS real-time data network, is used for carrying out data transmission with the DCS real-time data network and is also used for sending alarm information when data transmission fails;
the data synchronization module is connected with other gateway servers in the at least one row of gateway servers and used for keeping the data synchronization of each gateway server;
the data isolation module is used for realizing the electrical isolation of the data communication between the auxiliary support system and the DCS;
the operation management and configuration module is connected with the application computing server and is used for performing operation management on the auxiliary support program, wherein the operation management and configuration module comprises the steps of importing/deleting the auxiliary support program, starting and stopping operation, adjusting operation parameters, managing reports and alarms and maintaining and configuring a system;
and the data isolation module realizes the electrical isolation of the auxiliary support system and the DCS system data communication in a memory sharing mode.
2. The auxiliary support system according to claim 1, wherein the at least one row of gateway servers includes a main gateway server and a backup gateway server respectively disposed in different fire zones, the main gateway server is connected to the DCS real-time data network in real-time communication, the backup gateway server maintains data synchronization with the main gateway server, and the backup gateway server is further configured to monitor an operation status of the main gateway server in real-time to automatically switch operation when the main gateway server fails to operate.
3. The auxiliary support system according to claim 2, wherein the application computing server comprises a primary application computing server connected to the primary gateway server and a backup application computing server connected to the backup gateway server, the primary application computing server is connected to the primary gateway server in real-time communication, the backup application computing server maintains data synchronization with the primary application computing server, and the backup application computing server is further configured to monitor the operation status of the primary application computing server in real-time to automatically switch operation when the operation of the primary application computing server fails.
4. The assistance support system according to claim 1, wherein the operator workstation is provided with a human-machine interface for providing a result of the calculation processing to the operator in a screen display, and for receiving an operation input of the operator.
5. A nuclear power plant operator operation assistance support method for the assistance support system according to claim 1, characterized by comprising the steps of:
s1, reading data in the DCS real-time data network through at least one row of gateway servers according to an execution cycle, and sending the read data to an application computing server correspondingly connected with each gateway server;
s2, calculating the read data through the application calculation server, and outputting the calculation result to the gateway server, wherein the gateway server calls a plurality of auxiliary support programs running on the application calculation server to perform calculation according to a set processing period;
s3, sending the calculation processing result to a DCS real-time data network according to the execution cycle through the gateway server;
and S4, reading and displaying the calculation processing result from the DCS real-time data network through at least one row of operator workstations to assist operators in operating the nuclear power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324818.3A CN109213108B (en) | 2018-11-08 | 2018-11-08 | Nuclear power station operator operation auxiliary support system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324818.3A CN109213108B (en) | 2018-11-08 | 2018-11-08 | Nuclear power station operator operation auxiliary support system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109213108A CN109213108A (en) | 2019-01-15 |
| CN109213108B true CN109213108B (en) | 2021-09-07 |
Family
ID=64995085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811324818.3A Active CN109213108B (en) | 2018-11-08 | 2018-11-08 | Nuclear power station operator operation auxiliary support system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109213108B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932966B (en) * | 2019-03-07 | 2020-04-14 | 东方电子股份有限公司 | Real-time efficient data transmission method based on M-LVDS bus |
| CN110364278A (en) * | 2019-07-09 | 2019-10-22 | 福建福清核电有限公司 | A kind of two layers of hot standby platform of million-kilowatt nuclear Power Plant DCS |
| CN112510834A (en) * | 2020-11-30 | 2021-03-16 | 中广核工程有限公司 | Nuclear power station operation technical specification automatic diagnosis method, device, equipment and system |
| CN115199350A (en) * | 2022-06-10 | 2022-10-18 | 中广核研究院有限公司 | Pressurized water reactor steam turbine protection device, system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783192B (en) * | 2009-10-23 | 2012-07-18 | 中广核工程有限公司 | Common control net for nuclear power station |
| CN103345952B (en) * | 2013-06-24 | 2015-09-30 | 上海核工程研究设计院 | A kind of operator's auxiliary computing system based on model |
| CN103577355B (en) * | 2013-08-06 | 2018-10-02 | 中国广核集团有限公司 | A kind of DCS analog machines back-up disk interface processing method and system |
| CN104881748A (en) * | 2015-06-02 | 2015-09-02 | 广西大学 | Power dispatching automation method and power dispatching automation system based on 'cloud computing' dispatching application |
| CN106941494A (en) * | 2017-03-30 | 2017-07-11 | 中国电力科学研究院 | A kind of security isolation gateway and its application method suitable for power information acquisition system |
-
2018
- 2018-11-08 CN CN201811324818.3A patent/CN109213108B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109213108A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109213108B (en) | Nuclear power station operator operation auxiliary support system and method | |
| US11551824B2 (en) | Control room for nuclear power plant | |
| KR970003786B1 (en) | Compact work station control room | |
| US20020052673A1 (en) | Digital online active test plant protection system in a nuclear power plant and method thereof | |
| Kwon et al. | Technical review on the localized digital instrumentation and control systems | |
| Bickel | Risk implications of digital reactor protection system operating experience | |
| Bastl et al. | Disturbance analysis systems | |
| CN109085817B (en) | Control method and system for off-line downloading of CPU (Central processing Unit) in joint debugging stage of nuclear power unit | |
| Vegh et al. | Core analysis at Paks NPP with a new generation of VERONA | |
| Hornæs et al. | SCORPIO-WWER core surveillance system | |
| Lux et al. | Experience with the upgraded VERONA-u WWER-440 core monitoring system | |
| Pelo | Evaluation of an advanced fault detection system using Koeberg nuclear power plant data | |
| GB2286907A (en) | Compact work station control room | |
| Yu et al. | Instrumentation and Control System | |
| JP2005172750A (en) | Core monitor system | |
| Lepp et al. | Control and instrumentation systems for the 600 MWe CANDU PHW nuclear power plants | |
| CN116465447A (en) | Meter monitoring method, apparatus, computer device and storage medium | |
| Ardabievsky et al. | KLT-40 reactor plant (RP) of enhanced safety for independent power supply sources | |
| JPH01166199A (en) | Alarm device | |
| Yapeng et al. | The Design of Data Structure and Interface for Nuclear Emergency Assessment and Decision Support System | |
| Gumley et al. | CANDU alarm sequence analysis following abnormal incidents | |
| Lee et al. | Turbine protection system evaluation | |
| Molnar et al. | SCORPIO-VVER: Two Decades of Experience and Enhancements in Reactor Core Monitoring and Surveillance in Central Europe | |
| Keddar | Considerations on the application and adaptability of computer control to nuclear power plants | |
| Govindarajan et al. | Computer based C and I systems in Indian PHWRs |
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 |