CN206696629U - A kind of pressurized water reactor core output control device - Google Patents
A kind of pressurized water reactor core output control device Download PDFInfo
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- CN206696629U CN206696629U CN201720345571.8U CN201720345571U CN206696629U CN 206696629 U CN206696629 U CN 206696629U CN 201720345571 U CN201720345571 U CN 201720345571U CN 206696629 U CN206696629 U CN 206696629U
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Abstract
The utility model discloses a kind of pressurized water reactor core output control device, the device includes control signal backbone module, reactor core protection module, Model Predictive Control module, control stick speed control module and safety rod control module.The output control device can adjust control parameter and control strategy according to every operational factor in pressurized-water reactor nuclear power plant reactor core, by adjusting control stick speed and the direction of motion carrys out accurate, quickly and stably adjustment pressurized water reactor core power, it is ensured that pressurized water reactor core is stably run；By adjusting safe rod motion, it is ensured that pressurized water reactor core is safely run.The device has considered the influence to pressurized water reactor core Power Control such as the uncertainty having due to a variety of interference, unstability that load large-scope change is brought, there is provided a kind of precise and high efficiency, the pressurized water reactor core output control device based on Model Predictive Control for being adapted to a wide range of load variations.
Description
Technical field
It the utility model is related to pressurized water reactor core power control techniques field, and in particular to a kind of pressurized water reactor core power control
Device processed.
Background technology
Pressurized water reactor core is one of capital equipment of pressurized-water reactor nuclear power plant, and its major function is to carry out nuclear reaction, is produced big
The heat of amount.In pressurized-water reactor nuclear power plant running, if pressurized water reactor core power can not be well controlled, it may lead
Cause major accident.Therefore, the control of pressurized water reactor core power is particularly important.
Model Predictive Control module is made up of model predictive controller, and model predictive controller belongs to prior art, existing
Researcher have devised the model predictive controller suitable for the control of pressurized-water reactor nuclear power plant core power, and obtain well
Control effect, correlative theses are delivered.
At present, control program used by pressurized water reactor core Power Control, still it is traditional PID control mostly.PID control
Device is the error according to system, and proportion of utilization, integration and difference gauge calculate controlled quentity controlled variable and control executing agency to move.Due to pressing water
Heap reactor core is a nonlinear system, and a variety of interference have uncertainty, while load large-scope change is brought necessarily
Unstability, especially in low- load conditions, traditional PID control system is difficult to quickly and stably control presurized water reactor heap
Core power.
Utility model content
The purpose of this utility model is to solve drawbacks described above of the prior art, there is provided a kind of pressurized water reactor core power
Control device, to eliminate the uncertainty having by a variety of interference, unstability that load large-scope change is brought etc. to pressure
The influence of water-water reactor core power control.The utility model precise and high efficiency, a wide range of load variations are adapted to, can be according to nuclear power
Stand the difference of operating condition, adjust control parameter, realize pressurized water reactor core Power Control.
The purpose of this utility model can be reached by adopting the following technical scheme that：
A kind of pressurized water reactor core output control device, the control device include：Control signal backbone module, reactor core protection
Module, safety rod control module, Model Predictive Control module and control stick speed control module,
Wherein, the control signal backbone module respectively with the reactor core protection module and the Model Predictive Control module
It is connected, the control signal backbone module is by gathering presurized water reactor power real-time running data and carrying out contrast processing with reference value
Afterwards, the Model Predictive Control module and the reactor core protection module are passed to while；
The reactor core protection module is connected with the safety rod control module, for detecting core temperature, works as core temperature
During higher than setting value, being alarmed and generating the first control command signal passes to the safety rod control module；
The safety rod control module is connected with safety rod, and according to the first control command signal determining, whether underthrust controls
Rod；
The Model Predictive Control module is connected with the control stick speed control module, generates the second control command signal
Pass to the control stick speed control module；
The control stick speed control module is connected with control rod, according to the second control command signal, to control stick speed
It is adjusted with the control rod direction of motion.
Further, the control signal backbone module includes real time execution parameter acquisition unit, operational factor and setting
Parameter comparison unit,
Wherein, the real time execution parameter acquisition unit is connected with the operational factor with setup parameter comparison unit, uses
In collection pressurized water reactor core real-time running data,
The operational factor and setup parameter comparison unit respectively with the reactor core protection module and the model prediction control
Molding block is connected, for pre-set parameter to be carried out with the real-time running data obtained from the real time execution parameter acquisition unit
Contrast, and draw reference locus.
Further, the control signal backbone module also includes：Data management system, the data management system and the fortune
Row parameter is connected with setup parameter comparison unit, for data storage, inquiry, analysis and Knowledge Discovery.
Further, the reactor core protection module includes：Data processor, temperature determinant and warning device,
The data processor is connected with the temperature determinant respectively, receives and joins from the operational factor and setting
The reference locus of number comparison unit, the temperature determinant is passed to after handling reference locus by result；
The temperature determinant is connected with the warning device and the safety rod control module, receives at data
After the result for managing device, judge whether core temperature is higher than setting value, result of determination is passed into the safety rod controls
Module, and pass to the warning device after being made whether the 3rd control command signal of alarm；
The warning device is used to perform warning function.
Further, the safety rod control module includes the first signal conversion unit and the first control unit, wherein, institute
State the motion command that the first signal conversion unit is used to for the first control command signal of safety rod to be converted into control safety rod, institute
State the operation that the first control unit is used to perform quick underthrust safety rod.
Further, the control stick speed control module includes secondary signal conversion unit and the second control unit, its
In, the motion that the secondary signal conversion unit is used to the second control command signal of control rod being converted into control control rod is ordered
Order, second control unit are used to be adjusted control stick speed and the control rod direction of motion.
The utility model is had the following advantages relative to prior art and effect：
1) the utility model employs model predictive controller.Traditional PID control is measured according to set-point and output
Deviation between value, to determine current control input.Compared with traditional PID control, Model Predictive Control also utilizes prediction
Model come predict future deviation, current optimal control policy is determined by rolling optimization, make future controlled variable
Deviation between desired value is minimum.Model Predictive Control based on optimal control theory work, its optimization process be not once from
What line was completed, but optimized online repeatedly in limited traveling time interval.
2) the utility model employs reactor core protection module and safety rod control module, to ensure that nuclear plant safety is run.
3) the utility model can eliminate the shadow to pressurized water reactor core Power Control such as a variety of interference, load large-scope change
Ring, precise and high efficiency, be adapted to a wide range of load variations；According to the difference of nuclear power station operating condition, control parameter is adjusted, is realized
Pressurized water reactor core Power Control.
Brief description of the drawings
Fig. 1 is the structured flowchart of the pressurized water reactor core output control device disclosed in the utility model；
Fig. 2 is the structured flowchart of control signal backbone module in Fig. 1；
Fig. 3 is the structured flowchart of reactor core protection module in Fig. 1；
Fig. 4 is the structured flowchart of safety rod control module in Fig. 1；
Fig. 5 is the structured flowchart that stick speed control module is controlled in Fig. 1.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment
As shown in Fig. 1 to 5.Fig. 1 is the structured flowchart of the pressurized water reactor core output control device disclosed in the present embodiment.Such as
The device includes control signal backbone module, reactor core protection module, safety rod control module, Model Predictive Control module shown in figure
With control stick speed control module.
Wherein, control signal backbone module is connected with reactor core protection module and Model Predictive Control module respectively.The control
Signal backbone module processed is by after gathering presurized water reactor power real-time running data and carrying out contrast processing with reference value, passing to
Model Predictive Control module and reactor core protection module；Reactor core protection module receive the data from control signal backbone module it
Afterwards, data are analyzed and processed and transmits the first control command signal to safety rod control module, set when core temperature is higher than
During definite value, reactor core protection module is just alarmed；Safety rod control module receives the first control from reactor core protection module
Command signal is simultaneously converted into safety rod motion command, perform whether the motion command of quick underthrust safety rod, ensure nuclear power station safety
Entirely；Model Predictive Control module analyzes and processes to the data received, by calculating, draws the second control command signal,
And transmit the second control command signal to control stick speed control module；Control stick speed control module receives pre- from model
After surveying the second control command signal of control module, control stick speed and the control rod direction of motion are adjusted, control pressure water
Reactor of nuclear power plant core power.
Wherein, the structured flowchart of control signal backbone module is as shown in Fig. 2 the control signal backbone module includes fortune in real time
Row parameter acquisition unit, operational factor and setup parameter comparison unit.
The real time execution parameter acquisition unit is mainly the real-time running data for gathering pressurized water reactor core.
The operational factor and setup parameter comparison unit be by pre-set parameter with from real time execution parameter acquisition unit
Obtained real-time running data is contrasted, and draws reference locus.
Wherein, control signal backbone module also includes data management system, and data management system is used for data storage, inquiry, divided
Analysis and Knowledge Discovery.
Wherein, the structured flowchart of reactor core protection module is as shown in figure 3, the reactor core protection module includes data processor, peace
Full determinant and warning device.
After the data processor receives the data from control signal backbone module, data are carried out at analysis
Reason, then result is passed into safe determinant and safety rod control module.
After the safe determinant receives the data from data processor, judge core temperature whether higher than setting
Value, and the 3rd control command signal and the first control command signal of alarm are made whether, wherein, the 3rd control command is believed
Number pass to warning device.
After the warning device receives the 3rd control command signal from safe determinant, just perform and whether alarm
Order.
After the safety rod control module receives the first control command signal from safe determinant, whether execution
The order of quick underthrust safety rod.
Wherein, the structured flowchart of safety rod control module is as shown in figure 4, the safety rod control module turns including the first signal
Change unit and the first control unit.Wherein, the first signal conversion unit is used to receive the first of the reactor core protection module
Control command signal is simultaneously converted into safety rod motion command, and the safety rod control unit is used for according to safety rod motion command,
Perform whether the operation of quick underthrust safety rod, ensure nuclear plant safety.
Wherein, the core of Model Predictive Control module is forecast model, rolling optimization and feedback compensation.Model Predictive Control
After module receives the data from the control signal backbone module, the data received are analyzed and processed, passed through
Calculate, the control stick speed control module is passed to after drawing the second control command signal.
It is emphasized that Model Predictive Control module is made up of model predictive controller, model predictive controller belongs to
Prior art, existing researcher have devised the model predictive controller suitable for the control of pressurized-water reactor nuclear power plant core power,
And good control effect has been obtained, deliver correlative theses.
Wherein, the structured flowchart of stick speed control module is controlled as shown in figure 5, the control stick speed control module includes the
Binary signal conversion unit and the second control unit.The secondary signal conversion unit is received from Model Predictive Control module
After second control command signal of control rod, the motion that the second control command signal of control rod is converted into control rod is ordered
Order.After second control unit receives the motion command of the control rod from secondary signal conversion unit, to control rod
Rod speed and the control rod direction of motion are adjusted, and control pressurized-water reactor nuclear power plant core power.
Compared with traditional PID control, Model Predictive Control can predict the deviation in future using forecast model, lead to
Rolling optimization is crossed to determine current optimal control policy, makes the deviation between the controlled variable in future and desired value minimum.Mould
Type PREDICTIVE CONTROL is based on optimal control theory, and its optimization process is not completed once offline, but in limited traveling time
Optimized online repeatedly in interval.
As described above, the real time execution parameter of the utility model combination pressurized water reactor core, based on Model Predictive Control principle,
The uncertainty having by a variety of interference, unstability that load large-scope change is brought etc. can be eliminated to pressurized water reactor core work(
The influence of rate control.The utility model precise and high efficiency, it is adapted to a wide range of load variations.The utility model can be according to nuclear power
Stand the difference of operating condition, adjust control parameter, realize pressurized water reactor core Power Control.And the utility model employs reactor core
Protection module and safety rod control module, to ensure that nuclear plant safety is run.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (6)
1. a kind of pressurized water reactor core output control device, it is characterised in that the control device includes：Control signal maincenter mould
Block, reactor core protection module, safety rod control module, Model Predictive Control module and control stick speed control module,
Wherein, the control signal backbone module respectively with the reactor core protection module and the Model Predictive Control module phase
Even, the control signal backbone module is by gathering presurized water reactor power real-time running data and carrying out contrasting processing with reference value
Afterwards, the Model Predictive Control module and the reactor core protection module are passed to while；
The reactor core protection module is connected with the safety rod control module, for detecting core temperature, when core temperature is higher than
During setting value, being alarmed and generating the first control command signal passes to the safety rod control module；
The safety rod control module is connected with safety rod, according to the whether quick underthrust safety of the first control command signal determining
Rod；
The Model Predictive Control module is connected with the control stick speed control module, generates the second control command signal transmission
To the control stick speed control module；
The control stick speed control module is connected with control rod, according to the second control command signal, to control stick speed and control
Rod motion direction processed is adjusted.
2. a kind of pressurized water reactor core output control device according to claim 1, it is characterised in that in the control signal
Pivot module includes real time execution parameter acquisition unit, operational factor and setup parameter comparison unit,
Wherein, the real time execution parameter acquisition unit is connected with the operational factor with setup parameter comparison unit, for adopting
Collect the real-time running data of pressurized water reactor core,
The operational factor and setup parameter comparison unit respectively with the reactor core protection module and the Model Predictive Control mould
Block is connected, for carrying out pre-set parameter with the real-time running data obtained from the real time execution parameter acquisition unit pair
Than, and draw reference locus.
3. a kind of pressurized water reactor core output control device according to claim 2, it is characterised in that in the control signal
Pivot module also includes：Data management system, the data management system are connected with the operational factor with setup parameter comparison unit, use
In data storage, inquiry, analysis and Knowledge Discovery.
4. a kind of pressurized water reactor core output control device according to claim 2, it is characterised in that the reactor core protects mould
Block includes：Data processor, temperature determinant and warning device,
The data processor is connected with the temperature determinant respectively, receives from the operational factor and setup parameter pair
Than the reference locus of unit, result is passed into the temperature determinant after handling reference locus；
The temperature determinant is connected with the warning device and the safety rod control module, receives from data processor
Result after, judge whether core temperature is higher than setting value, result of determination passed into the safety rod control module,
And pass to the warning device after being made whether the 3rd control command signal of alarm；
The warning device is used to perform warning function.
A kind of 5. pressurized water reactor core output control device according to claim 1, it is characterised in that the safety rod control
Module includes the first signal conversion unit and the first control unit, wherein, the first signal conversion unit is used for safety rod
The first control command signal be converted into control safety rod motion command, first control unit be used for perform quick underthrust
The operation of safety rod.
A kind of 6. pressurized water reactor core output control device according to claim 1, it is characterised in that the control stick speed
Control module includes secondary signal conversion unit and the second control unit, wherein, the secondary signal conversion unit is used for will control
Second control command signal of rod processed is converted into the motion command of control control rod, and second control unit is used for control rod
Rod speed and the control rod direction of motion are adjusted.
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| CN201720345571.8U CN206696629U (en) | 2017-04-01 | 2017-04-01 | A kind of pressurized water reactor core output control device |
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| CN201720345571.8U CN206696629U (en) | 2017-04-01 | 2017-04-01 | A kind of pressurized water reactor core output control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361971A (en) * | 2019-06-29 | 2019-10-22 | 华南理工大学 | A kind of Poewr control method applied to zero dimension liquid fuel molten salt reactor |
| CN110780593A (en) * | 2019-11-02 | 2020-02-11 | 哈尔滨工程大学 | Operation scheme autonomous decision method for unattended small pressurized water reactor |
| CN111462925A (en) * | 2020-04-17 | 2020-07-28 | 西安交通大学 | Nuclear reactor power adjusting method and system based on operation data |
-
2017
- 2017-04-01 CN CN201720345571.8U patent/CN206696629U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361971A (en) * | 2019-06-29 | 2019-10-22 | 华南理工大学 | A kind of Poewr control method applied to zero dimension liquid fuel molten salt reactor |
| CN110361971B (en) * | 2019-06-29 | 2021-11-30 | 华南理工大学 | Power control method applied to zero-dimensional liquid fuel molten salt reactor |
| CN110780593A (en) * | 2019-11-02 | 2020-02-11 | 哈尔滨工程大学 | Operation scheme autonomous decision method for unattended small pressurized water reactor |
| CN111462925A (en) * | 2020-04-17 | 2020-07-28 | 西安交通大学 | Nuclear reactor power adjusting method and system based on operation data |
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