CN105223932B - Nuclear plant safety method for early warning, system and nuclear power station emulation technology platform - Google Patents
Nuclear plant safety method for early warning, system and nuclear power station emulation technology platform Download PDFInfo
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- CN105223932B CN105223932B CN201510688247.1A CN201510688247A CN105223932B CN 105223932 B CN105223932 B CN 105223932B CN 201510688247 A CN201510688247 A CN 201510688247A CN 105223932 B CN105223932 B CN 105223932B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—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]
- G05B19/41865—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 job scheduling, process planning, material flow
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
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- 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
- G05B2219/20—Pc systems
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- G05B2219/24024—Safety, surveillance
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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Abstract
A kind of nuclear plant safety method for early warning, system and nuclear power station emulation technology platform, method include: whether the deviation between the DCS operation data and secure threshold of the characteristic parameter that S1, judgement obtain in real time reaches characteristic condition and differentiate point, then enter S2 in this way；S2, it calculates when executing fast based on current DCS operation data to obtain the first simulation and prediction value of the characteristic parameter in no investment manual intervention；S3, judge that the first simulation and prediction value whether within secure setting, turns S1 in this way, otherwise turns S4；S4, the means of intervention based on determined by current DCS operation data put into manual intervention；S5, it calculates when executing fast based on the DCS operation data currently obtained to obtain the second simulation and prediction value of the characteristic parameter when putting into manual intervention；S6, judge that the second simulation and prediction value whether within secure setting, then terminates in this way, otherwise turns S4.Whether the present invention judges whether in advance suitable it is necessary to which manual intervention is added and verifies manual intervention, improves unit safety in operation.
Description
Technical field
The present invention relates to technical field of nuclear power more particularly to a kind of nuclear plant safety method for early warning, system and
Nuclear power station emulation technology platform.
Background technique
Nuclear plant digital I&C system (DCS) is widely applied in nuclear power station, and shows great superiority.Core
Power station digitlization I&C system is the system of the dcs based on computer, network communication, is nuclear power station
Informational nerve and control axis, for monitoring the main and supporting process of controllable nuclear power station thermal energy and electrical energy production, all
Under operational mode, including case of emergency, safety, operability and the reliability of power plant are maintained, to guarantee nuclear plant safety, steady
Fixed and economical operation.Nuclear plant digital I&C system is by sensor collection nuclear power station operation information, by controlling cable, net
Network etc. transmits information, complete complicated calculations in the processor, then pass to man-machine interface etc..Pass through nuclear plant digital instrument control system
System can acquire the various informations parameter for being collected into nuclear power station operation, provide input information for nuclear plant safety early warning system.
Nuclear power station gamut analogue simulation machine is to establish one " virtual nuclear power plant ", that is, establishes a set of Processes and apparatus model
(including fluid network, heating power network, neutron pile etc.), instrument control and electrical model (control system model, protection system model, people
Machine picture model etc.).Simulation model is the core of nuclear power station analogue simulation machine, must meet high precision, fidelity, in real time degree
It is required that.
Currently, the warning function of nuclear power plant is realized using fault detection technique, principle is supervised using monitoring instrument
Depending on any deviation operated normally, failure is found earlier before the generation of serious failure and is alarmed.Nuclear plant digital instrument
It is usually to carry out early warning using the real-time alarm system of emulation platform secondary development in control system.Real-time alarm system is responsible for full factory
Acquisition, processing and the instruction of each system alarm information, facilitate power plant operator to monitor unit operating condition.Nuclear power station
Compared by the secure threshold that the parameter of acquisition power station operating parameter and power station setting operates normally, when detection parameters are more than threshold
When value, show faulty generation.When an error occurs, alarm system is shown after acquisition process eventually by visual alarm
Notify operator, operator that can judge the severity of failure according to the type of alarm with alarm sound signal, and
It takes appropriate measures in time and eliminates failure, ensure that unit operates normally.This alarm mode is Realtime Alerts, is in equipment
Failure has occurred or operating parameter and operating condition occur it is abnormal after find the problem after device detection after testing.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of nuclear plant safety
Method for early warning, system and nuclear power station emulation technology platform.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of nuclear plant safety method for early warning, institute
The method of stating includes:
Whether the deviation between the DCS operation data and secure threshold of the characteristic parameter that S1, judgement obtain in real time reaches special
Condition distinguishing point is levied, if yes then enter step S2；
S2, it calculates when executing fast based on the DCS operation data that currently obtains to obtain in no investment manual intervention this
First simulation and prediction value of characteristic parameter；
S3, the first simulation and prediction value is judged whether within secure setting, if it is go to step S1, otherwise
Enter step S4；
S4, the means of intervention based on determined by the DCS operation data currently obtained put into manual intervention；
S5, it calculates to obtain this feature when putting into manual intervention when executing fast based on the DCS operation data that currently obtains
Second simulation and prediction value of parameter；
S6, the second simulation and prediction value is judged whether within secure setting, if it is ending method, otherwise jumps to
Step S4.
In nuclear plant safety method for early warning of the present invention, the step S1 is before entering step S2 further include:
Judge whether auxiliary parameter reaches early-warning conditions, if yes then enter step S2, otherwise go to step S1.
In nuclear plant safety method for early warning of the present invention, the step S3 further includes step before entering step S4
Rapid S34: the warning information of the characteristic parameter in display step S1, and the warning information is sent to client.
In nuclear plant safety method for early warning of the present invention, the method is based on secondary development on emulation technology platform
Safety pre-warning system realize that the emulation technology platform connect to obtain and adopt in real time with the data acquisition unit in DCS system
The DCS operation data of collection, the method also includes: the emulation technology platform is according to the DCS operation data obtained in real time
Carry out on-line tuning.
In nuclear plant safety method for early warning of the present invention, the emulation technology platform includes real-time alarm system,
When deviation of the real-time alarm system between the DCS operation data and secure threshold of characteristic parameter reaches alarm threshold value
It alarms；
The characteristic condition differentiates that point is greater than the alarm threshold value；
The secure setting is equal to the secure threshold and subtracts the alarm threshold value；
The characteristic parameter includes: temperature, pressure, liquid level.
The invention also discloses a kind of nuclear plant safety early warning system, characteristic condition discrimination module obtains in real time for judging
Whether the deviation between the DCS operation data and secure threshold of the characteristic parameter taken, which reaches characteristic condition, differentiates point, if it is
Send the first trigger signal；
First simulation and prediction value computing module, for being transported based on the DCS currently obtained when receiving the first trigger signal
It is calculated when row data execute fast to obtain the first simulation and prediction value of this feature parameter in no investment manual intervention；
First simulation and prediction value judgment module, for judge the first simulation and prediction value whether within secure setting,
If it is triggering characteristic condition discrimination module is again started up, and otherwise sends the second trigger signal；
Manual intervention module, for receiving after second trigger signal based on the DCS operation data institute currently obtained really
Fixed means of intervention puts into manual intervention；
Second simulation and prediction value computing module calculates when for executing fast based on the DCS operation data currently obtained to obtain
Take the second simulation and prediction value of this feature parameter when putting into manual intervention；
Second simulation and prediction value judgment module, for judge the second simulation and prediction value whether within secure setting, such as
Otherwise fruit triggers manual intervention module and is again started up.
In nuclear plant safety early warning system of the present invention, the system also includes early-warning conditions judgment modules, use
In the first trigger signal of reception and judge whether auxiliary parameter reaches early-warning conditions, and when reaching early-warning conditions by the first triggering
Signal is transmitted to the first simulation and prediction value computing module, triggers characteristic condition discrimination module again when not reaching early-warning conditions
Starting.
In nuclear plant safety early warning system of the present invention, the safety pre-warning system further includes early warning list
Member,
The first simulation and prediction value judgment module is also used to send early warning while sending second trigger signal
Signal gives the early warning unit；Early warning unit is used to show the early warning letter of characteristic parameter when receiving pre-warning signal
Breath, and the warning information is sent into client.
In nuclear plant safety early warning system of the present invention, the safety pre-warning system is based on to emulation technology platform
Secondary development realize that the emulation technology platform is connect to obtain and acquire in real time with the data acquisition unit in DCS system
DCS operation data, the nuclear power station emulation technology platform are used to carry out on-line tuning according to the DCS operation data obtained in real time.
In nuclear plant safety early warning system of the present invention, the safety pre-warning system is based on to emulation technology platform
Secondary development realize that the emulation technology platform is connect to obtain and acquire in real time with the data acquisition unit in DCS system
DCS operation data, the emulation technology platform includes real-time alarm system, and the real-time alarm system is used in characteristic parameter
Deviation between DCS operation data and secure threshold is alarmed when reaching alarm threshold value；
The characteristic condition differentiates that point is greater than the alarm threshold value；
The secure setting is equal to the secure threshold and subtracts the alarm threshold value；
The characteristic parameter includes: temperature, pressure, liquid level.
The invention also discloses a kind of nuclear power station emulation technology platforms, including connect with data acquisition unit to obtain DCS
The communication interface of operation data, the DCS operation data and secure threshold being used in characteristic parameter being connect with the communication interface
Between deviation whether reach the real-time alarm system alarmed when alarm threshold value, which is characterized in that further include with it is described logical
The nuclear plant safety early warning system as described above of communication interface connection.Preferably, the nuclear power station emulation technology platform is used for root
The DCS operation data obtained when factually carries out on-line tuning.
Implement nuclear plant safety method for early warning of the invention, system and nuclear power station emulation technology platform, has with following
Beneficial effect: when whether deviation of this hair between DCS operation data and secure threshold reaches characteristic condition differentiation point, judge system
Deviate operate normally or i.e. will deviate from, and by it is fast when calculate acquisition earlier than current time simulation and prediction value, to obtain in advance
Know equipment or the system failure, whether judge whether in advance suitable it is necessary to which manual intervention and verifying manual intervention is added, thus
Corrective action is carried out in advance, improves the safety of unit operation.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of nuclear power station emulation technology platform and nuclear plant safety early warning system；
Fig. 2 is the flow chart of nuclear plant safety method for early warning.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
It is the structural schematic diagram of nuclear power station emulation technology platform and nuclear plant safety early warning system with reference to Fig. 1.
Emulation technology platform is connect by communication interface with the data acquisition unit in DCS system, and data acquisition unit is used
In the DCS operation data that acquisition acquires in real time, the DCS operation data got can be imported by communication interface and copy to emulation
Technology platform.
The secondary development to emulation technology platform is usually utilized to design relevant function system in DCS system.Such as it is existing
Real-time alarm system in technology is the progress secondary development on emulation technology platform.Real-time alarm system and communication interface
Connection, is reported when whether reaching alarm threshold value for the deviation between the DCS operation data and secure threshold of characteristic parameter
It is alert.
Nuclear plant safety early warning system of the invention is also based on the realization of the secondary development to emulation technology platform, and safety is pre-
Alert system is also to connect with communication interface, and nuclear plant safety early warning system specifically includes:
Characteristic condition discrimination module, the DCS operation data of the characteristic parameter for judging to obtain in real time and secure threshold it
Between deviation whether reach characteristic condition differentiate point, if it is send the first trigger signal；
First simulation and prediction value computing module, for being transported based on the DCS currently obtained when receiving the first trigger signal
It is calculated when row data execute fast to obtain the first simulation and prediction value of this feature parameter in no investment manual intervention；
First simulation and prediction value judgment module, for judge the first simulation and prediction value whether within secure setting,
If it is triggering characteristic condition discrimination module is again started up, and otherwise sends the second trigger signal；
Manual intervention module, for receiving after second trigger signal based on the DCS operation data institute currently obtained really
Fixed means of intervention puts into manual intervention；
Second simulation and prediction value computing module calculates when for executing fast based on the DCS operation data currently obtained to obtain
Take the second simulation and prediction value of this feature parameter when putting into manual intervention；
Second simulation and prediction value judgment module, for judge the second simulation and prediction value whether within secure setting, such as
Otherwise fruit triggers manual intervention module and is again started up.
In practice process, generally when meeting the condition of characteristic condition differentiation point, it is also necessary to whether judge auxiliary parameter
Reach early-warning conditions, when two conditions are all satisfied, just sends the first trigger signal, auxiliary parameter is that have according to the object of monitoring
What body determined.It is preferred, therefore, that the system also includes early-warning conditions judgment module, for receiving the first trigger signal and sentencing
Whether disconnected auxiliary parameter reaches early-warning conditions, and the first trigger signal is transmitted to the first simulation and prediction when reaching early-warning conditions
It is worth computing module, characteristic condition discrimination module is triggered when not reaching early-warning conditions and is again started up.
Mode constitutes emulation support platform time scale together with real-time mode and slow speed mode when fast, and mode is logical when fast
It crosses simulation model double frequency operation, is completed in a short time the operation result of several times of time spans of real-time mode.It is counted when fast
Calculation is to execute operation under mode when fast with double frequency (calculating relative to real-time).Wherein, meter when fast under mode
Calculating model includes the model for not putting into manual intervention, the model for putting into manual intervention.
Wherein, the characteristic condition differentiates that point is greater than the alarm threshold value, i.e., the starting of early warning system is earlier than Realtime Alerts
The starting of system.The secure setting is equal to the secure threshold and subtracts the alarm threshold value, i.e. secure setting is real-time
Alarm system numerical value corresponding when starting.
Wherein, the characteristic parameter includes: temperature, pressure, liquid level etc., and operator can according to circumstances set and monitor
Parameter.
Preferably, the safety pre-warning system further includes early warning unit.First simulation and prediction value judgment module is also used
In while sending second trigger signal send pre-warning signal to the early warning unit；Early warning unit is used for
The warning information of characteristic parameter is shown when receiving pre-warning signal, and the warning information is sent into client.I.e. if passed through
It calculates and is predicted when needing to put into manual intervention when fast, then notified with client communication two ways to operator by display
Member, the means of intervention that operator can prompt according to manual intervention module manipulate manual intervention module.
Early warning display unit can be to be shown using existing display screen, and client can be computer terminal.
Preferably, the nuclear power station emulation technology platform can also carry out online according to the DCS operation data obtained in real time
Adjustment.Nuclear power station emulation technology platform itself is equivalent to an established model, and model is all based on during foundation
Sample data training obtains.So can be carried out according to the DCS operation data obtained in real time online in the model application in later period
Adjustment, the principle of adjustment is identical as principle when model foundation, and details are not described herein again, the difference is that only sample data be
The real time data that line obtains.
It is the flow chart of safe early warning method with reference to Fig. 2.
In conjunction with above-mentioned safety pre-warning system, which comprises
Whether the deviation between the DCS operation data and secure threshold of the characteristic parameter that S1, judgement obtain in real time reaches special
Condition distinguishing point is levied, if yes then enter step S2；
S2, it calculates when executing fast based on the DCS operation data that currently obtains to obtain in no investment manual intervention this
First simulation and prediction value of characteristic parameter；
S3, the first simulation and prediction value is judged whether within secure setting, if it is go to step S1, otherwise
Enter step S4；
S4, the means of intervention based on determined by the DCS operation data currently obtained put into manual intervention；
S5, it calculates to obtain this feature when putting into manual intervention when executing fast based on the DCS operation data that currently obtains
Second simulation and prediction value of parameter；
S6, the second simulation and prediction value is judged whether within secure setting, if it is ending method, otherwise jumps to
Step S4 puts into manual intervention again.
In practice process, it is preferred that the step S1 further includes step S12 before entering step S2: judgement auxiliary
Whether parameter reaches early-warning conditions, and if yes then enter step S2, otherwise go to step S1.
Mode constitutes emulation support platform time scale together with real-time mode and slow speed mode when fast, and mode is logical when fast
It crosses simulation model double frequency operation, is completed in a short time the operation result of several times of time spans of real-time mode.It is counted when fast
Calculation is to execute operation under mode when fast with double frequency (calculating relative to real-time).Wherein, meter when fast under mode
Calculating model includes the model for not putting into manual intervention, the model for putting into manual intervention.
Wherein, the characteristic condition differentiates that point is greater than the alarm threshold value, i.e., the starting of early warning system is earlier than Realtime Alerts
The starting of system.
The secure setting is equal to the secure threshold and subtracts the alarm threshold value, i.e. secure setting is Realtime Alerts
System numerical value corresponding when starting.
The characteristic parameter includes: temperature, pressure, liquid level etc., and operator can according to circumstances set the ginseng to be monitored
Number.
Preferably, in the step S3, (i.e. judgement needs to put into manual intervention) further includes following before entering step S4
Step S34: the warning information of the characteristic parameter in display step S1, and the warning information is sent to client.Operator
See that warning information is known to need to put into manual intervention, so that it may be determined by calculation means of intervention operation according to system
Manual intervention module.
Preferably, method further include: according to the DCS operation data obtained in real time, the emulation technology platform is carried out
Line adjustment.
The principle of the present invention is illustrated with a specific example below:
By taking the early warning of temperature as an example, secure threshold is 50 degree, real-time alarm system be real time temperature and secure threshold it
Between 5 degree of difference alarmed (i.e. alarm threshold value for 5 degree namely 45 degree alarm), early warning system of the invention is to differ
10 degree of (i.e. characteristic condition differentiates that point is 10 degree namely 40 degree progress early warning) Shi Jinhang early warning, early warning include:
By the first simulation and prediction value computing module execute it is fast when calculate (calculating be based in emulation platform without putting into
The model realization of manual intervention), obtain the first simulation and prediction value, if the first simulation and prediction value judgment module judge this first
On the one hand simulation and prediction value then sends warning message and notifies operator, another party not within secure setting (i.e. 45 degree)
Face trigger manual intervention module calculate means of intervention, if the first simulation and prediction value within secure setting (i.e. 45 degree),
It does not put into manual intervention then and exits early warning；
If it is the case where putting into manual intervention is needed, then manual intervention module is based on the DCS operation data currently obtained
Means of intervention is calculated, and the means of intervention is shown, operator operates manual intervention mould according to the means of intervention
Block, meanwhile, manual intervention module triggers calculating when the second simulation and prediction value computing module executes fast again, and (calculating is based on emulation
The model realization without putting into manual intervention in platform), the second simulation and prediction value is obtained, if the second simulation and prediction value judges
Module judges the second simulation and prediction value within secure setting (i.e. 45 degree), then illustrates that the manual intervention of investment can solve
Certainly problem exits；Otherwise, if the second simulation and prediction value is not within secure setting (i.e. 45 degree), then it represents that current
Manual intervention not can solve problem, and manual intervention module, which recalculates to obtain new means of intervention, is prompted to operator's operation,
Again put into manual intervention after trigger fast again when calculate, until the second simulation and prediction value secure setting (i.e. 45 degree) with
It is interior.
In conclusion implement nuclear plant safety method for early warning, system and nuclear power station emulation technology platform of the invention, tool
Have it is following the utility model has the advantages that deviation of this hair between DCS operation data and secure threshold whether reach characteristic condition differentiate point when,
Judgement system deviate operate normally or i.e. will deviate from, and by it is fast when calculate acquisition earlier than current time simulation and prediction value, from
And equipment or the system failure are known in advance, judge whether that it is necessary to be added whether manual intervention and verifying manual intervention close in advance
It is suitable, to carry out corrective action in advance, improve the safety of unit operation.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (9)
1. a kind of nuclear plant safety method for early warning, which comprises the following steps:
Whether the deviation between the DCS operation data and secure threshold of the characteristic parameter that S1, judgement obtain in real time reaches feature item
Part differentiates point, if yes then enter step S2；
S2, it calculates to obtain this feature in no investment manual intervention when executing fast based on the DCS operation data that currently obtains
First simulation and prediction value of parameter；
S3, the first simulation and prediction value is judged whether within secure setting, if it is go to step S1, otherwise enters
Step S4；
S4, the means of intervention based on determined by the DCS operation data currently obtained put into manual intervention, and the means of intervention are shown
It shows and；
S5, it calculates to obtain this feature parameter when putting into manual intervention when executing fast based on the DCS operation data that currently obtains
The second simulation and prediction value；
S6, the second simulation and prediction value is judged whether within secure setting, if it is ending method, otherwise gos to step
S4；
The step S3 further includes step S34 before entering step S4: the warning information of the characteristic parameter in display step S1,
And the warning information is sent to client；
The method is based on the safety pre-warning system realization to secondary development on emulation technology platform, the emulation technology platform packet
Real-time alarm system is included, the real-time alarm system is for inclined between the DCS operation data and secure threshold of characteristic parameter
Difference is alarmed when reaching alarm threshold value；
The characteristic condition differentiates that point is greater than the alarm threshold value；
The secure setting is equal to the secure threshold and subtracts the alarm threshold value.
2. nuclear plant safety method for early warning according to claim 1, which is characterized in that the step S1 is entering step S2
Before further include step S12: judging whether auxiliary parameter reaches early-warning conditions, if yes then enter step S2, otherwise jumps to
Step S1.
3. nuclear plant safety method for early warning according to claim 1, which is characterized in that the emulation technology platform and DCS
Data acquisition unit in system is connected to obtain the DCS operation data acquired in real time, the method also includes: it is described imitative
True technology platform carries out on-line tuning according to the DCS operation data obtained in real time.
4. a kind of nuclear plant safety early warning system characterized by comprising
Characteristic condition discrimination module, between the DCS operation data and secure threshold of the characteristic parameter for judging to obtain in real time
Whether deviation, which reaches characteristic condition, differentiates point, if it is sends the first trigger signal；
First simulation and prediction value computing module, for running number based on the DCS currently obtained when receiving the first trigger signal
The first simulation and prediction value of this feature parameter in no investment manual intervention is obtained according to calculating when executing fast；
First simulation and prediction value judgment module, for judge the first simulation and prediction value whether within secure setting, if
It is to trigger characteristic condition discrimination module to be again started up, otherwise sends the second trigger signal；
Manual intervention module, for receiving after second trigger signal based on determined by the DCS operation data currently obtained
Means of intervention puts into manual intervention, and the means of intervention is shown；
Second simulation and prediction value computing module calculates when for executing fast based on the DCS operation data currently obtained to obtain
Second simulation and prediction value of this feature parameter when putting into manual intervention；
Second simulation and prediction value judgment module, for judging the second simulation and prediction value whether within secure setting, if not
It is again started up then triggering manual intervention module within secure setting；
The safety pre-warning system further includes early warning unit, and the early warning unit is used for when receiving pre-warning signal
It shows the warning information of characteristic parameter, and the warning information is sent into client；
The safety pre-warning system realizes that the emulation technology platform includes real-time based on the secondary development to emulation technology platform
Alarm system, deviation of the real-time alarm system between the DCS operation data and secure threshold of characteristic parameter reach
It alarms when alarm threshold value；
The characteristic condition differentiates that point is greater than the alarm threshold value；
The secure setting is equal to the secure threshold and subtracts the alarm threshold value.
5. nuclear plant safety early warning system according to claim 4, which is characterized in that the system also includes early-warning conditions
Judgment module for receiving the first trigger signal and judging whether auxiliary parameter reaches early-warning conditions, and is reaching early-warning conditions
When the first trigger signal is transmitted to the first simulation and prediction value computing module, characteristic condition is triggered when not reaching early-warning conditions
Discrimination module is again started up.
6. nuclear plant safety early warning system according to claim 4, which is characterized in that the first simulation and prediction value judgement
Module is also used to send pre-warning signal while sending second trigger signal to the early warning unit.
7. nuclear plant safety early warning system according to claim 4, which is characterized in that the emulation technology platform and DCS
To obtain the DCS operation data acquired in real time, the nuclear power station emulation technology platform is used for data acquisition unit connection in system
According to the DCS operation data progress on-line tuning obtained in real time.
8. a kind of nuclear power station emulation technology platform is connect including connecting with data acquisition unit with obtaining the communication of DCS operation data
Whether mouth and the deviation of communication interface connection being used between the DCS operation data and secure threshold of characteristic parameter reach
The real-time alarm system alarmed when to alarm threshold value, which is characterized in that further include being connect with the communication interface such as power
Benefit requires the described in any item nuclear plant safety early warning systems of 4-7.
9. nuclear power station emulation technology platform according to claim 8, which is characterized in that the nuclear power station emulation technology platform
It is also used to carry out on-line tuning according to the DCS operation data obtained in real time.
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| CN108052019B (en) * | 2017-12-15 | 2021-01-19 | 中广核工程有限公司 | Method and system for inhibiting calculation overflow of fluid model of full-range simulator of nuclear power station |
| EP3905263A4 (en) * | 2018-12-11 | 2022-09-14 | China Nuclear Power Engineering Co., Ltd. | Nuclear power plant leakage monitoring alarm method and alarm system |
| CN112447308A (en) * | 2019-08-30 | 2021-03-05 | 海南核电有限公司 | Early warning system for avoiding shutdown and shutdown of unit |
| CN110703733B (en) * | 2019-10-18 | 2021-10-01 | 国电电力内蒙古新能源开发有限公司 | Application method and system of neural network in fault prediction based on genetic algorithm feedforward processing |
| CN111797511B (en) * | 2020-06-16 | 2023-07-14 | 上海交通大学 | Nuclear power station high-precision high-fidelity real-time simulation and behavior prediction method and device |
| CN112820433B (en) * | 2021-01-06 | 2023-01-13 | 广东核电合营有限公司 | Early warning method and device for nuclear power operating system of nuclear power station and electronic equipment |
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