CN108075472A - A kind of supply path setting method based on intelligent terminal - Google Patents
A kind of supply path setting method based on intelligent terminal Download PDFInfo
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- CN108075472A CN108075472A CN201711461700.0A CN201711461700A CN108075472A CN 108075472 A CN108075472 A CN 108075472A CN 201711461700 A CN201711461700 A CN 201711461700A CN 108075472 A CN108075472 A CN 108075472A
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- 238000004891 communication Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H02J13/0075—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of supply path setting methods based on intelligent terminal, pass through the intelligent terminal being arranged in power grid, for the purpose of the safe and stable operation of full-scope safeguards system, in the case of the economic loss that may be brought in consideration rate load level and reconstruct, by optimizing supply path so that electric system, which is tried one's best, is chronically at the state of most economical safe and stable operation.Method includes：It determines the initial grid structure of power grid, initializes Power grid structure；The load value that control centre gathers in real time according to intelligent terminal judges whether supply path needs to change, and need not change if load value is in allowed band, otherwise ending method continues；Control centre obtains power network topology circuit set, and resets supply path according to the object function related with economic loss.
Description
Technical field
The present invention relates to a kind of supply path setting method based on intelligent terminal, especially one kind can ensure power train
The unified supply path setting method for directly stablizing safe and economical operation.
Background technology
The memory technology of a large amount of electric energy due to be limited to the development level of battery at this stage and can not large-scale application to electric
In net, therefore, the electric energy of electric system is still still realized when load change is larger in present power grid using traditional measure
The equilibrium of supply and demand, such as regulator generator are contributed, adjustment interconnection switch etc..
However, the existing premise for realizing power balance is that power grid larger load level variation integrally occurs, do not have
Targetedly the considerations of power grid in specific node tolerable degree, this may cause need reconstruct rack in the case of do not have
There is the change for implementing rack, such as in the case that load change direction is opposite at the different nodes, although integral load changes water
It is flat smaller due to positive and negative offset but can not be with load for a certain node and the circuit being connected with the node.And
And the reconstruct of supply path has seriously affected the service life of electric power component in electric system, while add electric power system fault
Possibility.
The content of the invention
Therefore, in view of the above-mentioned problems, the present invention provides a kind of supply path setting method based on intelligent terminal, the party
Method, for the purpose of the safe and stable operation of full-scope safeguards system, is considering load based on the intelligent terminal being arranged in power grid
In the case of the economic loss that horizontal and reconstruct may be brought, by optimizing supply path so that electric system is as far as possible long-term
State in most economical safe and stable operation.
In order to achieve the above object, the present invention proposes a kind of supply path setting method based on intelligent terminal, including
Following steps：
1. initialize Power grid structure；
2. judge whether supply path needs to change；
3. reset supply path.
The above-mentioned supply path setting method based on intelligent terminal, also meets condition：Step 1 includes：
1.1 determine the initial grid structure of power grids, and the initial grid structure is power grid to meet all network load nodes
Average load demand and reach most economical state simultaneously and operate generator, switch so as to formed initial Net Frame of Electric Network knot
Structure；
1.2 according to initial Power grid structure control generator, switch action so that actual electric network according to it is definite just
Beginning Power grid structure is run.
The above-mentioned supply path setting method based on intelligent terminal, also meets condition：Step 2 includes：
2.1 set an intelligent terminal in each network load node, and the intelligent terminal gathers corresponding network load in real time
The real-time load numerical value of node, the shared n intelligent terminal T1, T2 set with n network load node one-to-one corresponding ...,
Tn；
The permission model that the real-time load numerical value for the correspondence network load node that 2.2 each intelligent terminals are gathered prestores with itself
It encloses and is compared, when the lower limit or the upper limit more than allowed band that the real-time load numerical value is less than allowed band, intelligence
Terminal will ask the information redistributed and the real-time load numerical value to be sent to control centre, shared m intelligent terminal T1,
T2 ..., Tm the information redistributed and real-time load numerical value will be asked to be sent to control centre；
2.3 control centres judge the information redistributed of request sent in the information received with the presence or absence of an intelligent terminal and
Whether real-time load numerical value, i.e. m are not 0, and if so, judging that supply path needs to change, are simultaneously emitted by report real-time load
It instructs to the information and the intelligent terminal Tm+ of real-time load numerical value do not redistributed to control centre's transmission request
1st ..., Tn, intelligent terminal Tm+1 ..., Tn receive report real-time load instruction when will itself detection correspondence power grid
The real-time load numerical value of load bus returns to control centre；If there is no then ending method.
The above-mentioned supply path setting method based on intelligent terminal, also meets condition：Step 3 includes：
3.1 control centres are according to the real-time load numerical value of all network load nodes, by computer program emulation, in power grid tide
Flow section is stable and under conditions of meeting N-2, obtains power grid to meet the real-time load numerical value of all network load nodes
Demand and the new power network topology circuit set { S1, S2 ... Sp } that may be employed；
3.2 control centres are by each new power network topology circuit initial power network topology circuit corresponding with initial Power grid structure
It is compared, obtains the situation that p power network topology circuit needs change, the corresponding power network topology electricity of new power network topology circuit Si
Road change conditions include：Generator is by stopping quantity mgSi to, generator by playing the quantity ngSi stopped, overload number of, lines
MlSi, light-loaded circuit quantity nlSi, line loss increase economic loss PLSi, switch by reaching the quantity msSi closed, switch by closing
The quantity nsSi, mgSi, ngSi, mlSi, nlSi, msSi, nsSi that open are the natural number since 0；
3.3 control centres according to object function minFun in S1, S2 ... optimal power network topology circuit is selected in Sp；
；
Wherein, PGm is to be averaged each generator by stopping the economic loss brought to, by generator average price divided by generator
It is average in specified life cycle to be obtained by stopping the number to；PGn is average each generator by playing the economy for stopping bringing
Loss is obtained by generator average price divided by generator are average in specified life cycle by playing the number stopped；PLm is flat
The economic loss that every overload circuit is brought is multiplied by average life span cycle and the line of circuit overload operation by circuit average price
The ratio in the average life span cycle of the specified operation in road；PLn is the economic loss that average every light-loaded circuit is brought, and is averaged by circuit
Price is multiplied by the ratio in the average life span cycle of circuit light running and the average life span cycle of the specified operation of circuit；PSm is flat
Each switch by reaching the economic loss closed and brought, by switch average price divided by switch in specified life cycle it is average by
The number closed is reached to obtain；PSn, by closing the economic loss opened and brought, by switch average price divided by opens for average each switch
It closes and is averagely obtained in specified life cycle by the number closed out；
3.4 reset supply path according to the optimal power network topology circuit of selection.
The above-mentioned supply path setting method based on intelligent terminal, also meets condition：The intelligent terminal includes channel radio
Believe module.
The above-mentioned supply path setting method based on intelligent terminal, also meets condition：The wireless communication module for GPRS,
One or more combination among 4G, 5G, Zigbee.
The above-mentioned supply path setting method based on intelligent terminal, also meets condition：The wireless communication module can also be real
Communication between existing intelligent terminal.
The present invention is by the intelligent terminal that is arranged in power grid, for the purpose of the safe and stable operation of full-scope safeguards system,
In the case where considering load level and reconstructing the economic loss that may be brought, by optimizing supply path so that electric power
Systems attempt is chronically at the state of most economical safe and stable operation.
Description of the drawings
Fig. 1 is the supply path setting method flow chart based on intelligent terminal.
Specific embodiment
Fig. 1 is referred to, a kind of supply path setting method based on intelligent terminal comprises the following steps：
1. initialize Power grid structure：
1.1 determine the initial grid structure of power grids, and the initial grid structure is power grid to meet all network load nodes
Average load demand and reach most economical state simultaneously and operate generator, switch so as to formed initial Net Frame of Electric Network knot
Structure；
1.2 according to initial Power grid structure control generator, switch action so that actual electric network according to it is definite just
Beginning Power grid structure is run.
2. judge whether supply path needs to change：
2.1 set an intelligent terminal in each network load node, and the intelligent terminal gathers corresponding network load in real time
The real-time load numerical value of node, the shared n intelligent terminal T1, T2 set with n network load node one-to-one corresponding ...,
Tn；
The permission model that the real-time load numerical value for the correspondence network load node that 2.2 each intelligent terminals are gathered prestores with itself
It encloses and is compared, when the lower limit or the upper limit more than allowed band that the real-time load numerical value is less than allowed band, intelligence
Terminal will ask the information redistributed and the real-time load numerical value to be sent to control centre, shared m intelligent terminal T1,
T2 ..., Tm the information redistributed and real-time load numerical value will be asked to be sent to control centre；
The intelligent terminal of each network load node realizes that load value is judged so as to which the comprehensive safety of safeguards system is steady
It is fixed.Intelligent terminal can just communicate in the case of over range with control centre, so as to reduce the degree of crowding of communication port, protect
The stabilization, reliable of data transmission is hindered.
2.3 control centres judge the information that the request sent in the information received with the presence or absence of an intelligent terminal is redistributed
And whether real-time load numerical value, i.e. m are not 0, and if so, judging that supply path needs to change, it is real-time to be simultaneously emitted by report
Load instruction asks the intelligent terminal Tm+ for the information and real-time load numerical value redistributed to not sent to control centre
1st ..., Tn, intelligent terminal Tm+1 ..., Tn receive report real-time load instruction when will itself detection correspondence power grid
The real-time load numerical value of load bus returns to control centre.
3. reset supply path：
3.1 control centres are according to the real-time load numerical value of all network load nodes, by computer program emulation, in power grid tide
Flow section is stable and under conditions of meeting N-2, obtains power grid to meet the real-time load numerical value of all network load nodes
Demand and the new power network topology circuit set { S1, S2 ... Sp } that may be employed；
3.2 control centres are by each new power network topology circuit initial power network topology circuit corresponding with initial Power grid structure
It is compared, obtains the situation that p power network topology circuit needs change, the corresponding power network topology electricity of new power network topology circuit Si
Road change conditions include：Generator is by stopping the quantity mg toSi, generator is by playing the quantity ng stoppedSi, overload number of, lines
mlSi, light-loaded circuit quantity nlSi, line loss increase economic loss PLSi, switch by reaching the quantity ms closedSi, switch is by closing open
Quantity nsSi, mgSi、ngSi、mlSi、nlSi、msSi、nsSiIt is the natural number since 0；
3.3 control centres according to object function minFun in S1, S2 ... optimal power network topology circuit is selected in Sp；
；
Wherein, PGmIt is averagely each generator by stopping the economic loss brought to, by generator average price divided by generator
It is average in specified life cycle to be obtained by stopping the number to；PGnIt is that averagely each generator is damaged by playing the economy for stopping bringing
It loses, is obtained by generator average price divided by generator are average in specified life cycle by playing the number stopped；PLmIt is average
The economic loss that every overload circuit is brought is multiplied by average life span cycle and the circuit of circuit overload operation by circuit average price
The ratio in the average life span cycle of specified operation；PLnFor the economic loss that averagely every light-loaded circuit is brought, by circuit flat fare
Lattice are multiplied by the ratio in the average life span cycle of circuit light running and the average life span cycle of the specified operation of circuit；PSmFor averagely often
A switch is average by reaching in specified life cycle by switch average price divided by switch by reaching the economic loss closed and brought
The number closed obtains；PSnIt is that averagely each switch by closing the economic loss opened and brought, is existed by switch average price divided by switch
It is average in specified life cycle to be obtained by the number closed out；
3.4 reset supply path according to the optimal power network topology circuit of selection.
Intelligent terminal includes wireless communication module, one kind or more among wireless communication module GPRS, 4G, 5G, Zigbee
The combination of kind, wireless communication module can also realize the communication between intelligent terminal.
It is it should be noted that made for the present invention further specifically the above content is specific embodiment is combined
It is bright, it is impossible to assert that the specific embodiment of the present invention is only limitted to this, under the above-mentioned guidance of the present invention, those skilled in the art can
To carry out various improvement and deformation on the basis of above-described embodiment, and these are improved or deformation falls in protection model of the invention
In enclosing.
Claims (7)
1. a kind of supply path setting method based on intelligent terminal, comprises the following steps：
1. initialize Power grid structure；
2. judge whether supply path needs to change；
3. reset supply path.
2. a kind of supply path based on intelligent terminal according to claim 1 sets device, which is characterized in that step 1
Including：
1.1 determine the initial grid structure of power grids, and the initial grid structure is power grid to meet all network load nodes
Average load demand and reach most economical state simultaneously and operate generator, switch so as to formed initial Net Frame of Electric Network knot
Structure；
1.2 according to initial Power grid structure control generator, switch action so that actual electric network according to it is definite just
Beginning Power grid structure is run.
A kind of 3. supply path setting method based on intelligent terminal according to claim 2, which is characterized in that step 2
Including：
2.1 set an intelligent terminal in each network load node, and the intelligent terminal gathers corresponding network load in real time
The real-time load numerical value of node, the shared n intelligent terminal T1, T2 set with n network load node one-to-one corresponding ...,
Tn；
The permission model that the real-time load numerical value for the correspondence network load node that 2.2 each intelligent terminals are gathered prestores with itself
It encloses and is compared, when the lower limit or the upper limit more than allowed band that the real-time load numerical value is less than allowed band, intelligence
Terminal will ask the information redistributed and the real-time load numerical value to be sent to control centre, shared m intelligent terminal T1,
T2 ..., Tm the information redistributed and real-time load numerical value will be asked to be sent to control centre；
2.3 control centres judge the information redistributed of request sent in the information received with the presence or absence of an intelligent terminal and
Whether real-time load numerical value, i.e. m are not 0, and if so, judging that supply path needs to change, are simultaneously emitted by report real-time load
It instructs to the information and the intelligent terminal Tm+ of real-time load numerical value do not redistributed to control centre's transmission request
1st ..., Tn, intelligent terminal Tm+1 ..., Tn receive report real-time load instruction when will itself detection correspondence power grid
The real-time load numerical value of load bus returns to control centre；If there is no then ending method.
A kind of 4. supply path setting method based on intelligent terminal according to claim 3, which is characterized in that step 3
Including：
3.1 control centres are according to the real-time load numerical value of all network load nodes, by computer program emulation, in power grid tide
Flow section is stable and under conditions of meeting N-2, obtains power grid to meet the real-time load numerical value of all network load nodes
Demand and the new power network topology circuit set { S1, S2 ... Sp } that may be employed；
3.2 control centres are by each new power network topology circuit initial power network topology circuit corresponding with initial Power grid structure
It is compared, obtains the situation that p power network topology circuit needs change, the corresponding power network topology electricity of new power network topology circuit Si
Road change conditions include：Generator is by stopping quantity mgSi to, generator by playing the quantity ngSi stopped, overload number of, lines
MlSi, light-loaded circuit quantity nlSi, line loss increase economic loss PLSi, switch by reaching the quantity msSi closed, switch by closing
The quantity nsSi, mgSi, ngSi, mlSi, nlSi, msSi, nsSi that open are the natural number since 0；
3.3 control centres according to object function minFun in S1, S2 ... optimal power network topology circuit is selected in Sp；
；
Wherein, PGm is to be averaged each generator by stopping the economic loss brought to, by generator average price divided by generator
It is average in specified life cycle to be obtained by stopping the number to；PGn is average each generator by playing the economy for stopping bringing
Loss is obtained by generator average price divided by generator are average in specified life cycle by playing the number stopped；PLm is flat
The economic loss that every overload circuit is brought is multiplied by average life span cycle and the line of circuit overload operation by circuit average price
The ratio in the average life span cycle of the specified operation in road；PLn is the economic loss that average every light-loaded circuit is brought, and is averaged by circuit
Price is multiplied by the ratio in the average life span cycle of circuit light running and the average life span cycle of the specified operation of circuit；PSm is flat
Each switch by reaching the economic loss closed and brought, by switch average price divided by switch in specified life cycle it is average by
The number closed is reached to obtain；PSn, by closing the economic loss opened and brought, by switch average price divided by opens for average each switch
It closes and is averagely obtained in specified life cycle by the number closed out；
3.4 reset supply path according to the optimal power network topology circuit of selection.
A kind of 5. supply path setting method based on intelligent terminal according to claim 4, which is characterized in that the intelligence
Energy terminal includes wireless communication module.
A kind of 6. supply path setting method based on intelligent terminal according to claim 5, which is characterized in that the nothing
Line communication module is combination one or more among GPRS, 4G, 5G, Zigbee.
A kind of 7. supply path setting method based on intelligent terminal according to claim 6, which is characterized in that the nothing
Line communication module can also realize the communication between intelligent terminal.
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| CN201711461700.0A CN108075472A (en) | 2017-12-28 | 2017-12-28 | A kind of supply path setting method based on intelligent terminal |
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| CN201711461700.0A CN108075472A (en) | 2017-12-28 | 2017-12-28 | A kind of supply path setting method based on intelligent terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426033A (en) * | 2013-07-31 | 2013-12-04 | 国电南瑞科技股份有限公司 | Power distribution network fault recovery optimization rebuilding algorithm based on critical path method |
| CN103746376A (en) * | 2014-01-21 | 2014-04-23 | 重庆大学 | Power distribution network dynamic power restoration method based on load curve |
| CN106779168A (en) * | 2016-11-23 | 2017-05-31 | 国网山东省电力公司威海供电公司 | A kind of distribution transformer addressing and low pressure rack plan optimization method |
| CN107516898A (en) * | 2017-09-28 | 2017-12-26 | 国网山东省电力公司乳山市供电公司 | A kind of intelligent dispatching method of active distribution network |
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2017
- 2017-12-28 CN CN201711461700.0A patent/CN108075472A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426033A (en) * | 2013-07-31 | 2013-12-04 | 国电南瑞科技股份有限公司 | Power distribution network fault recovery optimization rebuilding algorithm based on critical path method |
| CN103746376A (en) * | 2014-01-21 | 2014-04-23 | 重庆大学 | Power distribution network dynamic power restoration method based on load curve |
| CN106779168A (en) * | 2016-11-23 | 2017-05-31 | 国网山东省电力公司威海供电公司 | A kind of distribution transformer addressing and low pressure rack plan optimization method |
| CN107516898A (en) * | 2017-09-28 | 2017-12-26 | 国网山东省电力公司乳山市供电公司 | A kind of intelligent dispatching method of active distribution network |
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