CN103593507B - Electrical network automated intelligent is concentrated and is subtracted support method - Google Patents
Electrical network automated intelligent is concentrated and is subtracted support method Download PDFInfo
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- CN103593507B CN103593507B CN201310488145.6A CN201310488145A CN103593507B CN 103593507 B CN103593507 B CN 103593507B CN 201310488145 A CN201310488145 A CN 201310488145A CN 103593507 B CN103593507 B CN 103593507B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 240000002853 Nelumbo nucifera Species 0.000 claims abstract description 24
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims abstract description 24
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims abstract description 24
- 238000005457 optimization Methods 0.000 claims abstract description 24
- 238000012216 screening Methods 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 11
- 241000201297 Chelone Species 0.000 description 5
- 241001494479 Pecora Species 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Abstract
It is an object of the invention to provide a kind of electrical network automated intelligent to concentrate and subtract support method, comprise automatic modeling and Combinatorial Optimization two portions are formed, automatic modeling comprises: set up concordance list, initial parameter range is determined, automatic modeling process; Combinatorial Optimization comprises: subtract load with lotus scope determine and factor of influence weight determine, subtract load with lotus screening, load sequence, Combinatorial Optimization strategy, the method can adapt to various practical situation, has handiness, unity concurrently, can consider each influence factor. The method supports the sequence position table that various demand condition produces, and can consider various factors when calculating practical strategies.
Description
Technical field
The present invention relates to power system automatic field, relate in particular to a kind of concentrating for electrical network intelligence and subtract loading system auto-building model and generated the method subtracting load strategy by Combinatorial Optimization mode.
Background technology
No matter from the Background of Academic Resources of country, or from current power industry present situation, or from the Status of development analysis of national economy, all need whole people's brownout. And brownout be unable to do without planned supply and use of electric power, planned supply and use of electric power are the guarantees of brownout. " electric power law " that country issues be the clear stipulaties management principle of planned supply and use of electric power also. Power cuts to limit consumption relaxes imbalance between power supply and demand, and one of important means of saves energy is also make full use of power supply equipment ability, it is to increase important measures of generating and electricity consumption economic benefit. Very nervous at current power, when short of electricity is very serious, rationing the power supply, it is very important to subtract load. Along with the technical development of energy management system in power system, during power load peak to subtract support method more and more intelligent, according to the model pre-defined and certain subtract that load algorithm can provide that applicable current electrical network characteristic sum subtracts that load requires fast subtract load strategy. Intelligence subtracts load needs the sequence position table of rationing the power supply under different demand, and same load can belong to multiple mode of rationing the power supply, and how making model have versatility is a challenge. Subtract load algorithm and need the factor considering some electrical network the present situations, reasonably subtract load algorithm and intelligence is also concentrated the effect subtracting load have a great impact.
Summary of the invention
It is an object of the invention to provide and a kind of adapt to various practical situation, have handiness concurrently, unity, the electrical network automated intelligent that considers each influence factor concentrate and subtract support method. The method supports the sequence position table that various demand condition produces, and can consider various factors when calculating practical strategies.
The object of the present invention realizes by following technical measures:
A kind of electrical network automated intelligent is concentrated and is subtracted support method, comprises automatic modeling and Combinatorial Optimization two portions, and it is being characterised in that:
Wherein, described automatic modeling comprises the steps:
1.1) concordance list is set up: set up and subtract load model recording indexes table, the field of table is index class name, index value, wherein index class name represents the table name that index is used for, index value represents the up-to-date recording indexes of current table, when adding a model record, the index value of model record is taken as the index value of concordance list;
1.2) initial parameter range is determined
The span of the parameter that Confirming model record needs and this parameter, parameter mainly contains and subtracts load region and sequence position table name; Wherein, subtract load region described in load with lotus and belong to a certain for representing to subtract and subtract load region; Concrete area power grid sets up different sequence position table names according to different reality need; Described sequence position table comprises sequence position table of rationing the power supply of avoiding the peak hour, sequence position table of rationing the power supply beyond the planned quota, and accident is rationed the power supply sequence position table. Described sequence position table is when modeling, it is necessary to pre-defines sequence position table name and claims and ID, and supports the follow-up interpolation subtracting load type.
1.3) automatic modeling process
Sequence position table Modling model record according to area power grid, the value that mainly need to record has:
Plant stand, English name, describe, drop into mark, locking mark, Monday priority, Tuesday priority, Wednesday priority, Thursday priority, Friday priority, Saturday priority, Sunday priority; After filling in complete record value, in the process setting up a model record, from the index subtracting the load current model record set up of concordance list inquiry, automatically set up a record together with other field combination;
Described Combinatorial Optimization comprises the steps:
2.1) subtract and load with lotus scope and determine and factor of influence weight is determined
First determine to subtract the type of load and subtract load region; It is then determined that this subtract load type under subtract load target value; Electric current, meritorious, priority are determined factor of influence, as the factor of influence weight of Combinatorial Optimization; The described load region that subtracts comprises the whole network and certain concrete region.
2.2) subtract load with lotus screening
According to subtracting after load scope determines load, screen load according to current operation of power networks situation, remove the load of existing problems, it is ensured that subtract the exactness loading with lotus; The load of described existing problems comprises that switch disconnects, remote measurement quality is poor, manually put several, check errors.
2.3) load sequence
First according to each decision factor, the load filtered out is sorted; Described sequence comprises according to electric current from small to large, wattful power from small to large, subtract the mode loaded with lotus priority and carry out from small to large sorting. The object of sequence is to load with charge values can determine that the best subtracts according to order, instead of just excision one far exceedes the load subtracting load target value at the beginning.
2.4) Combinatorial Optimization strategy
According to the clooating sequence of the factor of influence weight determined before and screening afterload, carry out Combinatorial Optimization, calculate and subtract load target value. Described calculating subtracts the process of load target value: first calculates the mark under often kind of sequence mode, then calculates total mark with factor of influence multiplied by weight, in this, as the sequence of final strategy; Start anew to add up, until reach determine subtract load target value.
Present method can realize subtracting the same load Modling model of load mode to belonging to difference, provide subtract load target value after carry out Combinatorial Optimization according to different decision factor and provide and subtract load strategy.
Accompanying drawing explanation
Fig. 1 is the schema of the automatic modeling process of the present invention;
Fig. 2 is the schema of the Combinatorial Optimization process of the present invention.
Embodiment
Below in conjunction with accompanying drawing and concrete enforcement, the present invention will be further described. Electrical network automated intelligent is concentrated and is subtracted support method and comprise automatic modeling and Combinatorial Optimization two portions:
One, automatic modeling
Mouth station cement special line 314 load to 110kV river is needed to subtract load modeling as shown in table, this subtracts, and to load with lotus be the type of rationing the power supply of avoiding the peak hour shown in type and table 2 of rationing the power supply beyond the planned quota shown in table 1, table 1 belongs to type table of rationing the power supply beyond the planned quota for cement special line, and table 2 belongs to type table of rationing the power supply of avoiding the peak hour for cement special line.
Table 1
Table 2
1) setting up concordance list: subtract load sequence position table and subtract by a rule and record record and form, these subtract records record and needs suitable record model and suitable database table structure to represent. Record model needs to comprise and subtract load table name, subtracts load type, subtracts contents such as loading with lotus ID, due to each concrete electrical network to subtract load sequence position table different also uncertain, can not pre-determine a kind of record model comprise in order position table name claim and type; Same subtracting is loaded with lotus and can belong to difference and subtract load type, therefore it is that level is when organizing taking substation, may occurring having a load to belong to multiple situation subtracting load type in a substation, the ID that now cannot load with lotus by subtracting uniquely determines a record; Owing to needing to be modified by model record in database edits instrument, only a model record can not be determined with subtracting to load with lotus ID and subtract load type; Therefore introduce the index value of model record, solve above-mentioned various problems.
Such as Fig. 1, setting up and subtract load model recording indexes table, the field of table is index class name, index value, wherein index class name represents the table name that index is used for, and index value represents the up-to-date recording indexes of current table, when adding a model record, the index value of model record is taken as the index value of concordance list. After success is added, from current index value cumulative 1. Assume that current index value is 1.
2) initial parameter range is determined: the span of the parameter that Confirming model record needs and this parameter, and parameter mainly contains and subtracts load region and sequence position table name.
Subtract load region: subtract and load with lotus and belong to a certain and subtract load region, load with lotus to subtracting organize by subtracting load region, so that intelligence is concentrated subtracts to carry and have logic, level, also realistic operation often can subtract the operating process of load value as target taking certain region.
Sequence position table name: concrete area power grid has different sequence position table names according to different reality need, sequence position table of rationing the power supply of such as avoiding the peak hour, sequence position table of rationing the power supply beyond the planned quota, accident is rationed the power supply sequence position table etc. When modeling, it is necessary to pre-define sequence position table name and claim and ID, the follow-up interpolation subtracting load type of certain model supports.
Rationing the power supply for beyond the planned quota, cement special line 314 belongs to urban district, and this subtracts load region; Avoiding the peak hour rations the power supply does not subtract load region. Sequence of rationing the power supply position table name, two kinds of modes of rationing the power supply are beyond the planned quota rationing the power supply respectively, avoid the peak hour and ration the power supply.
3) automatic modeling process: fill in complete model record field, mainly comprise: plant stand, English name, describes, and drops into mark, locking mark, Monday priority, Tuesday priority, Wednesday priority, Thursday priority, Friday priority, Saturday priority, Sunday priority. Priority is more little that to represent priority more high, does not distinguish Monday to Sunday for priority, all gives tacit consent to and fill in priority Monday. Beyond the planned quota rationing the power supply, cement special line 314 priority is 1, avoids the peak hour in rationing the power supply, cement special line 314 priority Monday is 2. After having filled in the field of model record beyond the planned quota, system automatically obtains current model record class from concordance list and is called the index item subtracting load model, and its index value is 1, and after success Modling model record, index value is updated to 2. When fill in avoid the peak hour ration the power supply model record time, system automatically from concordance list obtain currently subtract load index be 2.
Two, Combinatorial Optimization obtains subtracting load strategy:
1) subtract and load with lotus scope and determine and factor of influence weight is determined:
Subtract in load process actual, first determine to subtract the type of load and subtract load region (the whole network or certain concrete region), it is then determined that this subtracts to carry subtracts load target value under type.Electric current, meritorious, priority are determined factor of influence, as the parameter of Combinatorial Optimization.
For type of rationing the power supply beyond the planned quota, subtracting load type is beyond the planned quota rationing the power supply, and subtracting load region is urban district. Factor of influence has three kinds: current value, wattful power value, priority. For emphasizing emphatically the impact property of priority, the parameter of Combinatorial Optimization is respectively: 0.2,0.3,0.5. Target subtracts load value and is set to: 20MW.
2) subtract and load with lotus screening: according to subtracting after load scope determines load, it is necessary to screen load according to current operation of power networks situation, remove and there is the load that switch disconnects, remote measurement quality is poor, manually put the problems such as number, check errors, it is ensured that subtract the exactness loading with lotus.
According to subtracting load type and subtract load region, filter out available subtracting and load with lotus as shown in the load the selection result table of following table 3:
Table 3
According to load Effective judgement, obtain above-mentioned workload enter into subtract load policy calculation.
3) load sequence: first sorted by the load filtered out according to each decision factor, such as respectively according to electric current from small to large, wattful power from small to large, subtracts and loads with lotus priority and sort from small to large. The object of sequence is to load with charge values can determine that the best subtracts according to order, instead of just excision one far exceedes the load subtracting load target value at the beginning.
As shown in table 4, sorting from small to large by current value is:
| Element title | Size of current (A) |
| Mountain pass line F09 | 1.01 |
| The dark pool line F07 of intelligence | 1.11 |
| Pottery special line F09 | 1.15 |
| Surface mines line F17 | 1.18 |
| Huge legendary turtle head line F05 | 2.12 |
| Sheep seam F15 | 2.26 |
| The public line 316 in river | 3.16 |
| Kaolin one line F17 | 3.18 |
| Korneforos line 318 | 3.32 |
| Cement special line 314 | 3.18 |
Table 4
As shown in table 5, sorting from small to large by wattful power is:
| Element title | Power size (MW) |
| Mountain pass line F09 | 1.0 |
| The dark pool line F07 of intelligence | 1.0 |
| Pottery special line F09 | 1.5 |
| Surface mines line F17 | 1.8 |
| Huge legendary turtle head line F05 | 2.2 |
| Sheep seam F15 | 2.6 |
| The public line 316 in river | 3.6 |
| Kaolin one line F17 | 3.6 |
| Korneforos line 318 | 4.2 |
| Cement special line 314 | 7.1 |
Table 5
As shown in table 6, according to priority sequence is from small to large:
| Element title | Priority |
| Cement special line 314 | 1 |
| The public line 316 in river | 3 |
| Korneforos line 318 | 4 |
| Sheep seam F15 | 5 |
| Surface mines line F17 | 6 |
| Huge legendary turtle head line F05 | 8 |
| Mountain pass line F09 | 9 |
| Kaolin one line F17 | 10 |
| Pottery special line F09 | 13 |
| The dark pool line F07 of intelligence | 14 |
Table 6
4) Combinatorial Optimization strategy is obtained:
According to the clooating sequence of the factor of influence determined before and screening afterload, carry out Combinatorial Optimization. Concrete grammar is the mark first calculating under often kind of sequence mode, then calculates total mark with weighing factor fac-tor, in this, as the sequence of final strategy. Start anew to add up, until reach determine subtract load target value.
As shown in table 7, calculating sorts after weight parameter carries out Combinatorial Optimization is:
| Element title |
| Mountain pass line F09 |
| Surface mines line F17 |
| The public line 316 in river |
| Sheep seam F15 |
| Huge legendary turtle head line F05 |
| Cement special line 314 |
| The dark pool line F07 of intelligence |
| Pottery special line F09 |
| Korneforos line 318 |
| Kaolin one line F17 |
Table 7
Wherein to each item, marking in order, formula is 100/ the number of sequencings * (the number of sequencings-work as front sequence), and current record sequence number is from 0. Such as, for n bar record, sequence number is 0,1,2 ..., n-1.
The excision load value provided is 20MW, then according to the clooating sequence after Combinatorial Optimization, get current actual negative charge values, start anew to add up, and subtracts load value until cumulative and reaches target value, provide to subtract load strategy as shown in table 8:
| Element title | Load value (MW) |
| Mountain pass line F09 | 1.0 |
| Surface mines line F17 | 1.8 |
| The public line 316 in river | 3.6 |
| Sheep seam F15 | 2.6 |
| Huge legendary turtle head line F05 | 2.2 |
| Cement special line 314 | 7.1 |
| The dark pool line F07 of intelligence | 1.0 |
| Pottery special line F09 | 1.5 |
Table 8
Embodiments of the present invention are not limited to this; under stating basic fundamental thought prerequisite on the invention; content of the present invention is made the amendment of other various ways, replacement or change by ordinary technical knowledge and customary means according to this area, all drops within rights protection scope of the present invention.
Claims (5)
1. electrical network automated intelligent is concentrated and is subtracted a support method, comprises automatic modeling and Combinatorial Optimization two portions, and it is being characterised in that:
Wherein, described automatic modeling comprises the steps:
1.1) concordance list is set up: set up and subtract load model recording indexes table, the field of table is index class name, index value, wherein index class name represents the table name that index is used for, index value represents the up-to-date recording indexes of current table, when adding a model record, the index value of model record is taken as the index value of concordance list;
1.2) initial parameter range is determined
The span of the parameter that Confirming model record needs and this parameter, parameter mainly contains and subtracts load region and sequence position table name; Wherein, subtract load region described in load with lotus and belong to a certain for representing to subtract and subtract load region; Concrete area power grid sets up different sequence position table names according to different reality need;
1.3) automatic modeling process
Sequence position table Modling model record according to area power grid, the value that mainly need to record has:
Plant stand, English name, describe, drop into mark, locking mark, Monday priority, Tuesday priority, Wednesday priority, Thursday priority, Friday priority, Saturday priority, Sunday priority; After filling in complete record value, in the process setting up a model record, from the index subtracting the load current model record set up of concordance list inquiry, automatically set up a record together with other field combination;
Described Combinatorial Optimization comprises the steps:
2.1) subtract and load with lotus scope and determine and factor of influence weight is determined
First determine to subtract the type of load and subtract load region; It is then determined that this subtract load type under subtract load target value; Electric current, meritorious, priority are determined factor of influence, as the factor of influence weight of Combinatorial Optimization;
2.2) subtract load with lotus screening
According to subtracting after load scope determines load, screen load according to current operation of power networks situation, remove the load of existing problems, it is ensured that subtract the exactness loading with lotus;
2.3) load sequence
First according to each decision factor, the load filtered out is sorted;
2.4) Combinatorial Optimization strategy
According to the clooating sequence of the factor of influence weight determined before and screening afterload, carry out Combinatorial Optimization, calculate and subtract load target value;
Described calculating subtracts the process of load target value: first calculates the mark under often kind of sequence mode, then calculates total mark with factor of influence multiplied by weight, in this, as the sequence of final strategy; Start anew to add up, until reach determine subtract load target value.
2. electrical network automated intelligent according to claim 1 is concentrated and is subtracted support method, it is characterised in that: described sequence position table comprises sequence position table of rationing the power supply of avoiding the peak hour, sequence position table of rationing the power supply beyond the planned quota, and accident is rationed the power supply sequence position table.
3. electrical network automated intelligent according to claim 1 is concentrated and is subtracted support method, it is characterised in that: described in subtract load region and comprise the whole network and certain concrete region.
4. electrical network automated intelligent according to claim 1 is concentrated and is subtracted support method, it is characterised in that: the load of described existing problems comprises that switch disconnects, remote measurement quality is poor, manually put several, check errors.
5. electrical network automated intelligent according to claim 1 is concentrated and is subtracted support method, it is characterised in that: described sequence comprises according to electric current from small to large, wattful power from small to large, subtract the mode loaded with lotus priority and carry out from small to large sorting.
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| CN112926797A (en) * | 2021-03-23 | 2021-06-08 | 山东建筑大学 | Public building power demand response double optimization method based on response priority |
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| CN102097806A (en) * | 2011-01-13 | 2011-06-15 | 中国电力科学研究院 | Low frequency deloading method for stabilizing frequency of interconnected power grids |
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Effective date of registration: 20141011 Address after: 525000 Guangdong Province, Maoming City, Guan Shan Road, No. four, No. 2 Applicant after: MAOMING POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Corp. Applicant after: DONGFANG ELECTRONICS Co.,Ltd. Address before: 525000 Guangdong Province, Maoming City, Guan Shan Road, No. four, No. 2 Applicant before: MAOMING POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Corp. |
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Address after: 525000 No.2, Guanshan 4th Road, Maoming City, Guangdong Province Patentee after: MAOMING POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. Patentee after: DONGFANG ELECTRONICS Co.,Ltd. Address before: 525000 No.2, Guanshan 4th Road, Maoming City, Guangdong Province Patentee before: MAOMING POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Corp. Patentee before: DONGFANG ELECTRONICS Co.,Ltd. |
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Effective date of registration: 20210125 Address after: 525000 No.2, Guanshan 4th Road, Maoming City, Guangdong Province Patentee after: MAOMING POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. Address before: 525000 No.2, Guanshan 4th Road, Maoming City, Guangdong Province Patentee before: MAOMING POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. Patentee before: DONGFANG ELECTRONICS Co.,Ltd. |
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