CN109447842A - A kind of safety precautions control method, device, control equipment and storage medium - Google Patents
A kind of safety precautions control method, device, control equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of safety precautions control method, device, control equipment and storage mediums.It include: the safety precautions Controlling object function for constructing electro thermal coupling multipotency streaming system；Construct the constraint condition of the electro thermal coupling multipotency streaming system；According to the scheduling model of the objective function and constraint condition building safety precautions control；Safety precautions control is carried out to the electro thermal coupling multipotency streaming system according to the scheduling model.It realizes and electro thermal coupling multipotency streaming system security control is analyzed, with the safe and stable operation of safeguards system.
Description
Technical field
The present invention relates to the safety control technology field of integrated energy system more particularly to a kind of safety precautions controlling parties
Method, device, control equipment and storage medium.
Background technique
The use of the renewable and clean energy resources such as wind-powered electricity generation, photovoltaic is at a kind of inexorable trend, and these renewable energy are not true
Qualitative height, generated energy is not easy to control, and access power grid easily causes power network fluctuation.Therefore, only using power grid as the load of energy transmission
Body is unable to meet demand gradually.In this case, just with electric, hot, cold, gas diversified forms transmission energy energy internet
There is its superiority.
Nowadays, the demonstration of energy internet is also more and more.In above-mentioned multipotency network, cogeneration network is sent out at present
Exhibition is the rapidest, since 20th century, begins to gradually establish heat supply network in the world.Currently, heat supply network Denmark, Sweden,
There are a degree of universal, modeling and trend meter for electro thermal coupling multipotency flow network in the European countries such as Germany, Finland
Calculation has had a series of research achievement.However, grinding for the Security Control Problem of electro thermal coupling multipotency flow network at present
Study carefully and also compare shortage, wherein prevention and control this part content also unusual blank.Prevention and control are the operating statuses for the system that provides, and are made
System at nominal conditions and when encountering failure, be able to maintain a kind of stable security control means, be that system is controlled safely
The first line of defence of system.In the power system, the theory of prevention and control has been had been incorporated into very early, and related electric system is pre- at present
The research of anti-control has tended to be mature, but the prevention and control to electro thermal coupling multipotency flow network, also in each starting stage.
Summary of the invention
The embodiment of the present invention provides a kind of safety precautions control method, device, control equipment and storage medium, realizes to electricity
Thermal coupling multipotency streaming system security control analysis, with the safe and stable operation of safeguards system.
In a first aspect, the embodiment of the invention provides a kind of safety precautions control methods, this method comprises:
Construct the safety precautions Controlling object function of electro thermal coupling multipotency streaming system；
Construct the constraint condition of the electro thermal coupling multipotency streaming system；
According to the scheduling model of the objective function and constraint condition building safety precautions control；
Safety precautions control is carried out to the electro thermal coupling multipotency streaming system according to the scheduling model.
Second aspect, the embodiment of the invention also provides a kind of safety precautions control device, which includes:
Control function module, for constructing the safety precautions Controlling object function of electro thermal coupling multipotency streaming system；
Constraint condition module, for constructing the constraint condition of the electro thermal coupling multipotency streaming system；
Controlling model module, for the scheduling mould according to the objective function and constraint condition building safety precautions control
Type；
Control module is executed, for carrying out safety precautions to the electro thermal coupling multipotency streaming system according to the scheduling model
Control.
The third aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program, the program realize safety precautions control method provided in an embodiment of the present invention when being executed by processor.
Fourth aspect processor and is stored in the embodiment of the invention also provides a kind of control equipment, including memory
On reservoir and it can realize when the computer program of processor operation, the processor execute the computer program such as the present invention
The safety precautions control method that embodiment provides.
The embodiment of the present invention, by the safety precautions Controlling object function and constraint item that construct electro thermal coupling multipotency streaming system
Part, then according to the scheduling model of the objective function and constraint condition building safety precautions control, finally according to the scheduling
Model carries out safety precautions control to the electro thermal coupling multipotency streaming system.It realizes to electro thermal coupling multipotency streaming system security control
Analysis, with the safe and stable operation of safeguards system.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of safety precautions control method provided in an embodiment of the present invention；
Fig. 2 is electro thermal coupling multipotency streaming system topological diagram of the present invention；
Fig. 3 is bleeder thermal power plant unit electric heating relation schematic diagram in electro thermal coupling multipotency streaming system；
Fig. 4 is heating network schematic diagram；
Fig. 5 is a kind of structural schematic diagram of safety precautions control device provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram for controlling equipment provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of flow diagram of safety precautions control method provided in an embodiment of the present invention, and this method can be by
Control equipment provided in an embodiment of the present invention executes, which can be used software and/or hardware mode and realize, this method
Specifically comprise the following steps:
Step 110, the safety precautions Controlling object function for constructing electro thermal coupling multipotency streaming system；
The present invention relates to the electro thermal coupling system safety precautions control methods for considering heat supply network characteristic, compensate for prevention and control side
Method forms a kind of electro thermal coupling multipotency stream for considering coupled relation between power grid and heat supply network control safely in the blank of electro thermal coupling system
System.Compared with the prevention and control of independent power grid, heat will lead to the progress prevention and control of independent power grid in electro thermal coupling network and go out
Power is unable to satisfy thermic load requirement.The present invention considers heat supply network characteristic, in the case where guaranteeing system safety operation, so that system
More economization, and by building solution to heat supply network thermodynamic model and hydraulic model, so that heat loss is more accurate, favorably
In the adjusting nargin for increasing power grid, there is apparent superiority.After the electro thermal coupling multipotency flow network application present invention, Ke Yiwei
The first line of defence has been kept in the security control of multipotency streaming system.System topological figure of the present invention is as shown in Figure 2, wherein BiFor
Bus, TiFor transformer, PGiFor generated output, PHiFor heating power, PDiElectric load, PH,loadFor thermic load.
In the present embodiment, the cogeneration units electro thermal coupling multipotency streaming system based on steam-extracting type thermal power plant unit is established
Trouble-saving and control objective function it is as follows:
Wherein, ax, bx, cxIt is thermoelectricity unit operating cost coefficient, C respectivelyvFor thermoelectricity unit operating parameter, PGxFor xth
The generated output of platform thermoelectricity unit, PHxFor the heating power of xth platform thermoelectricity unit, ax, bx, cx, CvFor known parameters, PGx, PHx
For decision variable.
The trouble-saving of electro thermal coupling multipotency streaming system and the objective function of control are safety precautions control target herein
Function.
The constraint condition of step 120, the building electro thermal coupling multipotency streaming system；
In the present embodiment, the constraint condition of electro thermal coupling multipotency streaming system includes: that electro thermal coupling multipotency streaming system is normally transported
Operation of power networks under operation of power networks constraint condition, electro thermal coupling multipotency streaming system failure operation state under row state constrains item
The cogeneration units operation constraint condition of thermal power plant unit and electro thermal coupling multipotency stream system in part, electro thermal coupling multipotency streaming system
The heat supply network constraint condition of system.
The process for specifically constructing each constraint condition is as described below.
1, the operation of power networks constraint condition constructed under electro thermal coupling multipotency streaming system normal operating condition is as follows:
Wherein, PGi,PDi,θi,θjThe active injection power of i-th of node, need respectively in electro thermal coupling multipotency streaming system
Ask the phase angle of power, phase angle and j-th of node, xiJ is the imaginary part of the i-th row of grid nodes admittance matrix Y, jth column element,
The imaginary part of ith row and jth column element in node admittance matrix Y and the node in electro thermal coupling multipotency streaming system correspond,
Grid nodes admittance matrix Y is obtained from grid dispatching center.SijFor branch i, j between i-th of node of power grid and j-th of node
Power flow, PGi,PDi,θi,θjAnd SijFor decision variable, xijWithFor known parameters.
2, the operation of power networks constraint condition constructed under electro thermal coupling multipotency streaming system failure operation state is as follows:
Wherein, k indicates the fault set of electro thermal coupling multipotency streaming system, PGm,PDm,θm,θnRespectively electro thermal coupling multipotency stream
The active injection power of m-th of node in system, demand power, phase angle and n-th of node phase angle, xmnIt is led for grid nodes
It receives the imaginary part of m row in matrix M, the n-th column element, is corresponded with node, grid nodes admittance matrix M is from grid dispatching center
It obtains, SmnThe power flow of branch mn between m-th of node of power grid and jth node.
3, the cogeneration units for constructing thermal power plant unit in electro thermal coupling multipotency streaming system run constraint condition.
Fig. 3 is bleeder thermal power plant unit electric heating relation schematic diagram in electro thermal coupling multipotency streaming system.It is established based on the relationship
Cogeneration units operation constraint condition based on steam-extracting type thermal power plant unit is as follows:
Wherein, in formula (1), PGxFor the generated output of xth platform thermoelectricity unit, PHxIt is xth platform thermoelectricity unit for hot merit
Rate, PHxmaxFor the heat supply upper limit of xth platform cogeneration units；
Formula (2) indicates the generated output upper limit of thermoelectricity unit when given heating power, and formula (3) and formula (4) are two
Section straight line, the lower limit of thermoelectricity unit generated output, P when respectively indicating given heating powerHmIt is minimum for thermoelectricity unit generated output
When corresponding heating power；
It is the feasible zone of thermoelectricity unit generated output and heating power by the region that formula (1)-formula (4) forms,
Middle k1,k2,k3For cogeneration units electro thermal coupling relationship slope, k1,k2,k3According to the generated output P of setting1,P2,P3,P4With
The heating power P of settingHm,PHmaxIt is calculated, wherein PGx, PHxFor decision variable, k1,k2,k3, P1,P2,P3,P4, PHm,PHmax
It is known parameters.
4, the heat supply network constraint condition of electro thermal coupling multipotency streaming system is constructed.
Fig. 4 needs to consider heat supply network characteristic for heating network schematic diagram in order to accurately consider the heat loss in heating network,
It is as follows to establish heat supply network constraint condition:
In above-mentioned formula, a, b respectively indicate heat source node and thermic load node, Qb,PHaFor load of heat and for hot merit
Rate is divided into water supply network and return water network in heat supply network, therefore the T in formulaSb,TSa,TRb,TRaIt supplies water on respectively each node
The temperature of pipeline and the temperature of water return pipeline, Cp,λ,LabIt is working medium specific heat capacity, mass flow, thermal coefficient in pipeline respectively
And duct length, TOb,TEFor load bus leaving water temperature and heat supply network environment temperature.The last one formula indicates that load is required
Temperature range, wherein TOb,TEAnd Cp,λ,LabFor known parameters, TSbFor decision variable.
Step 130, the scheduling model controlled according to the objective function and constraint condition building safety precautions；
Step 140 carries out safety precautions control to the electro thermal coupling multipotency streaming system according to the scheduling model.
It is pre- according to the safety precautions Controlling object function of electro thermal coupling multipotency streaming system and each constraint condition building safety
The scheduling model of anti-control solves the scheduling model, obtains trouble-saving and the security control of electro thermal coupling multipotency streaming system
Scheduling result, to carry out safety precautions control to electro thermal coupling multipotency streaming system.Wherein, the safety precautions control includes root
According to the generated output and heating power of thermoelectricity unit in scheduling model control electro thermal coupling multipotency streaming system.
The technical solution of the present embodiment, by construct electro thermal coupling multipotency streaming system safety precautions Controlling object function and
Constraint condition, then according to the scheduling model of the objective function and constraint condition building safety precautions control, finally according to institute
It states scheduling model and safety precautions control is carried out to the electro thermal coupling multipotency streaming system.It realizes and electro thermal coupling multipotency streaming system is pacified
Full control analysis, with the safe and stable operation of safeguards system.
Fig. 5 is a kind of structural schematic diagram of safety precautions control device provided in an embodiment of the present invention, which is suitable for
The safety precautions control method that any embodiment of that present invention provides is executed, as shown in figure 5, the device includes: control function module
501, constraint condition module 502, Controlling model module 503 and execution control module 504.
Control function module 501, for constructing the safety precautions Controlling object function of electro thermal coupling multipotency streaming system；
Constraint condition module 502, for constructing the constraint condition of the electro thermal coupling multipotency streaming system；
Controlling model module 503, for the scheduling according to the objective function and constraint condition building safety precautions control
Model；
Control module 504 is executed, for carrying out safety to the electro thermal coupling multipotency streaming system according to the scheduling model
Prevention and control.
Safety precautions control device provided in this embodiment, by the safety precautions control for constructing electro thermal coupling multipotency streaming system
Objective function processed and constraint condition, then according to the scheduling mould of the objective function and constraint condition building safety precautions control
Type finally carries out safety precautions control to the electro thermal coupling multipotency streaming system according to the scheduling model.It realizes to electric heating coupling
Multipotency streaming system security control analysis is closed, with the safe and stable operation of safeguards system.
On the basis of the above embodiments, the safety precautions Controlling object function are as follows:
Wherein, ax, bx, cxIt is thermoelectricity unit operating cost coefficient, C respectivelyvFor thermoelectricity unit operating parameter, PGxFor xth
The generated output of platform thermoelectricity unit, PHxFor the heating power of xth platform thermoelectricity unit, ax, bx, cx, CvFor known parameters, PGx, PHx
For decision variable.
On the basis of the above embodiments, constraint condition module 502 further include:
Construct the operation of power networks constraint condition under the electro thermal coupling multipotency streaming system normal operating condition.
On the basis of the above embodiments, constraint condition module 502 further include:
Construct the operation of power networks constraint condition under the electro thermal coupling multipotency streaming system failure operation state.
On the basis of the above embodiments, constraint condition module 502 further include:
Construct the cogeneration units operation constraint condition of thermal power plant unit in the electro thermal coupling multipotency streaming system.
On the basis of the above embodiments, constraint condition module 502 further include:
Construct the heat supply network constraint condition of the electro thermal coupling multipotency streaming system.
On the basis of the above embodiments, control module 504 is executed further include:
The generated output of thermoelectricity unit and heat supply in the electro thermal coupling multipotency streaming system are controlled according to the scheduling model
Power.
The embodiment of the invention provides a kind of computer readable storage mediums, are stored thereon with computer program, the program
The safety precautions control method provided such as all embodiments of the invention is realized when being executed by processor: that is, the program is processed
Device is realized when executing: safety precautions Controlling object function and constraint condition by constructing electro thermal coupling multipotency streaming system, then
According to the scheduling model of the objective function and constraint condition building safety precautions control, finally according to the scheduling model to institute
It states electro thermal coupling multipotency streaming system and carries out safety precautions control.
It can be using any combination of one or more computer-readable media.Computer-readable medium can be calculating
Machine readable signal medium or computer readable storage medium.Computer readable storage medium for example can be --- but it is unlimited
In system, device or the device of --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or any above combination.It calculates
The more specific example (non exhaustive list) of machine readable storage medium storing program for executing includes: electrical connection with one or more conducting wires, just
Taking formula computer disk, hard disk, random access memory (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In this document, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on remote computer or control equipment completely on the remote computer on the user computer.
In situations involving remote computers, remote computer can pass through the network of any kind --- including local area network (LAN)
Or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as utilize Internet service
Provider is connected by internet).
Fig. 6 is a kind of structural schematic diagram for controlling equipment provided in an embodiment of the present invention, which can collect cost hair
The safety precautions control device that bright embodiment provides.Referring to Fig. 6, controlling equipment 600 may include: memory 601, processor
602 and the computer program that is stored on memory 601 and can be run in processor 602, the processor 602 execute the meter
Safety precautions control method as described in the embodiments of the present invention is realized when calculation machine program.
Control equipment provided in an embodiment of the present invention, the safety precautions by constructing electro thermal coupling multipotency streaming system control mesh
Scalar functions and constraint condition, then according to the scheduling model of the objective function and constraint condition building safety precautions control, most
Safety precautions control is carried out to the electro thermal coupling multipotency streaming system according to the scheduling model afterwards.It realizes to electro thermal coupling multipotency
Streaming system security control analysis, with the safe and stable operation of safeguards system.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of safety precautions control method characterized by comprising
Construct the safety precautions Controlling object function of electro thermal coupling multipotency streaming system；
Construct the constraint condition of the electro thermal coupling multipotency streaming system；
According to the scheduling model of the objective function and constraint condition building safety precautions control；
Safety precautions control is carried out to the electro thermal coupling multipotency streaming system according to the scheduling model.
2. the method according to claim 1, wherein the safety precautions Controlling object function are as follows:
Wherein, ax, bx, cxIt is thermoelectricity unit operating cost coefficient, C respectivelyvFor thermoelectricity unit operating parameter, PGxFor xth platform thermoelectricity
The generated output of unit, PHxFor the heating power of xth platform thermoelectricity unit, ax, bx, cx, CvFor known parameters, PGx, PHxFor decision
Variable.
3. the method according to claim 1, wherein constructing the constraint item of the electro thermal coupling multipotency streaming system
Part, comprising:
Construct the operation of power networks constraint condition under the electro thermal coupling multipotency streaming system normal operating condition.
4. the method according to claim 1, wherein constructing the constraint item of the electro thermal coupling multipotency streaming system
Part, comprising:
Construct the operation of power networks constraint condition under the electro thermal coupling multipotency streaming system failure operation state.
5. the method according to claim 1, wherein constructing the constraint item of the electro thermal coupling multipotency streaming system
Part, comprising:
Construct the cogeneration units operation constraint condition of thermal power plant unit in the electro thermal coupling multipotency streaming system.
6. the method according to claim 1, wherein constructing the constraint item of the electro thermal coupling multipotency streaming system
Part, comprising:
Construct the heat supply network constraint condition of the electro thermal coupling multipotency streaming system.
7. -6 any method according to claim 1, which is characterized in that according to the scheduling model to the electro thermal coupling
Multipotency streaming system carries out safety precautions control, comprising:
The generated output and heating power of thermoelectricity unit in the electro thermal coupling multipotency streaming system are controlled according to the scheduling model.
8. a kind of safety precautions control device characterized by comprising
Control function module, for constructing the safety precautions Controlling object function of electro thermal coupling multipotency streaming system；
Constraint condition module, for constructing the constraint condition of the electro thermal coupling multipotency streaming system；
Controlling model module, for the scheduling model according to the objective function and constraint condition building safety precautions control；
Control module is executed, for carrying out safety precautions control to the electro thermal coupling multipotency streaming system according to the scheduling model
System.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
The safety precautions control method as described in any in claim 1-7 is realized when row.
10. a kind of control equipment, which is characterized in that including memory, processor and storage are on a memory and can be in processor
The computer program of operation, the processor are realized as described in any in claim 1-7 when executing the computer program
Safety precautions control method.
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| US20160011577A1 (en) * | 2014-07-11 | 2016-01-14 | Nec Europe Ltd. | Collaborative balancing of renewable energy overproduction with electricity-heat coupling and electric and thermal storage for prosumer communities |
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| CN108347052A (en) * | 2018-02-07 | 2018-07-31 | 广州供电局有限公司 | A kind of trouble-saving and control method of electric-thermal coupling multipotency streaming system |
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2018
- 2018-10-18 CN CN201811214256.7A patent/CN109447842A/en active Pending
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| US20160011577A1 (en) * | 2014-07-11 | 2016-01-14 | Nec Europe Ltd. | Collaborative balancing of renewable energy overproduction with electricity-heat coupling and electric and thermal storage for prosumer communities |
| CN106339772A (en) * | 2016-08-11 | 2017-01-18 | 清华大学 | Heat supply pipe network thermal storage efficiency-based thermal-electric joint optimal dispatching method |
| CN108347052A (en) * | 2018-02-07 | 2018-07-31 | 广州供电局有限公司 | A kind of trouble-saving and control method of electric-thermal coupling multipotency streaming system |
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