CN106972486B - A kind of substation's load level analysis method based on real measured data - Google Patents

A kind of substation's load level analysis method based on real measured data Download PDF

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Publication number
CN106972486B
CN106972486B CN201710264700.5A CN201710264700A CN106972486B CN 106972486 B CN106972486 B CN 106972486B CN 201710264700 A CN201710264700 A CN 201710264700A CN 106972486 B CN106972486 B CN 106972486B
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Prior art keywords
substation
load
main transformer
station
load factor
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CN201710264700.5A
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CN106972486A (en
Inventor
田鑫
李雪亮
赵龙
王艳
王飞
牟宏
汪湲
张�杰
刘晓明
曹相阳
魏鑫
高效海
张丽娜
赵光锋
付一木
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State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0631Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06312Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06Electricity, gas or water supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

Abstract

Substation's load level analysis method based on real measured data that the invention discloses a kind of, this method obtains substation's load x, substation configures quantity y in fortune main transformer, separate unit main transformer capacity s in substation, quantity y is configured according to the different main transformer of substation, respectively according to the ratio range between substation's load and transforming plant main transformer capacity, the quantitative determination step for calculating substation's load level has been carried out, data is provided for subsequent substation planning and supports.

Description

A kind of substation's load level analysis method based on real measured data
Technical field
Substation's load level analysis method based on real measured data that the present invention relates to a kind of.
Background technique
With the continuous social and economic development, user is higher and higher to the lean desirability of power supply, " can improve rule The lean development drawn leading action, guide power grid " is the newest demand of Electric Power Network Planning.In existing distribution network planning method In, power distribution network As-Is analysis is usually first carried out, it is then horizontal according to determining network load to determine network load level, into The targeted project planning of row.However, the load level due to above-mentioned network load level not comprising substation and feeder line, It causes the power supply reliability for the distribution network planning project made according to load level low with this, is not able to satisfy user to power supply Lean demand.
Summary of the invention
Substation's load level analysis method based on real measured data that the object of the present invention is to provide a kind of, this method according to Substation's difference main transformer quantity has carried out the quantitative determination method for calculating substation's load level respectively, is subsequent substation planning Data are provided to support.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of substation's load level analysis method based on real measured data, comprising the following steps:
1) substation's load x, is obtained, substation configures quantity y, separate unit main transformer capacity s in substation in fortune main transformer, if main Parameter amount y=1, jumps to step 2);If main transformer quantity y=2, jumps to step 3);If main transformer quantity y=3, jumps to Step 4);If main transformer quantity y=4, jumps to step 5);
If 2), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than 50%, sentence The fixed substation is that load is gentlier stood;If load factor is more than or equal to 50% less than 70%, determine that the substation is moderate for load It stands;If load factor is more than or equal to 70% less than 100%, determine the substation for the heavier station of load;If load factor is more than or equal to 100%, then determine the substation for traffic overload station;Determine that formula is as follows:
F (x, y) is substation's load condition;
If 3), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 and is less than separate unit minimum master The 40% of varying capacity then determines that the substation gentlier stands for load;If load factor is more than or equal to separate unit minimum main transformer capacity 40% is less than the 100% of separate unit minimum main transformer capacity, then determines the substation for the moderate station of load;If load is greater than separate unit main transformer Capacity and less than two main transformer capacities and, then determine the substation for the heavier station of load;If load factor is greater than two main transformer capacities With then determine the substation for traffic overload station;Determine that formula is as follows:
If 4), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than two main transformers and holds The 40% of sum is measured, then determines that the substation gentlier stands for load;If load factor is more than or equal to the 40% small of two main transformer capacity sums In the 100% of two main transformer capacity sums, then determine the substation for the moderate station of load;If load be greater than two main transformer capacities and and And, then determine the substation for the heavier station of load less than three main transformer capacities;If load factor is greater than three main transformer capacities and sentences The fixed substation is traffic overload station;Determine that formula is as follows:
If 5), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than three main transformers and holds The 40% of sum is measured, then determines that the substation gentlier stands for load;If load factor is more than or equal to the 40% small of three main transformer capacity sums The 100% of Yu Santai main transformer capacity sum then determines the substation for the moderate station of load;If load be greater than three main transformer capacities and and And, then determine the substation for the heavier station of load less than four main transformer capacities;If load factor is greater than four main transformer capacities and sentences The fixed substation is traffic overload station;Determine that formula is as follows:
The invention has the advantages that
The present invention has carried out the quantitative judgement side for calculating substation's load level according to substation's difference main transformer quantity respectively Method provides data for subsequent substation planning and supports.
Detailed description of the invention
Fig. 1 is present invention determine that method main flow chart;
Fig. 2 is present invention determine that method flow diagram part one;
Fig. 3 is present invention determine that method flow diagram part two;
Fig. 4 is present invention determine that method flow diagram part three;
Fig. 5 is present invention determine that method flow diagram part four.
Specific embodiment
As shown in Figures 1 to 5, a kind of substation's load level analysis method based on real measured data, comprising the following steps:
1) substation's load x, is obtained, substation configures quantity y, separate unit main transformer capacity s in substation in fortune main transformer, if main Parameter amount y=1, jumps to step 2);If main transformer quantity y=2, jumps to step 3);If main transformer quantity y=3, jumps to Step 4);If main transformer quantity y=4, jumps to step 5);
If 2), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than 50%, sentence The fixed substation is that load is gentlier stood;If load factor is more than or equal to 50% less than 70%, determine that the substation is moderate for load It stands;If load factor is more than or equal to 70% less than 100%, determine the substation for the heavier station of load;If load factor is more than or equal to 100%, then determine the substation for traffic overload station;Determine that formula is as follows:
F (x, y) is substation's load condition;
If 3), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 and is less than separate unit minimum master The 40% of varying capacity then determines that the substation gentlier stands for load;If load factor is more than or equal to separate unit minimum main transformer capacity 40% is less than the 100% of separate unit minimum main transformer capacity, then determines the substation for the moderate station of load;If load is greater than separate unit main transformer Capacity and less than two main transformer capacities and, then determine the substation for the heavier station of load;If load factor is greater than two main transformer capacities With then determine the substation for traffic overload station;Determine that formula is as follows:
If 4), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than two main transformers and holds The 40% of sum is measured, then determines that the substation gentlier stands for load;If load factor is more than or equal to the 40% small of two main transformer capacity sums In the 100% of two main transformer capacity sums, then determine the substation for the moderate station of load;If load be greater than two main transformer capacities and and And, then determine the substation for the heavier station of load less than three main transformer capacities;If load factor is greater than three main transformer capacities and sentences The fixed substation is traffic overload station;Determine that formula is as follows:
If 5), load factor is equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than three main transformers and holds The 40% of sum is measured, then determines that the substation gentlier stands for load;If load factor is more than or equal to the 40% small of three main transformer capacity sums The 100% of Yu Santai main transformer capacity sum then determines the substation for the moderate station of load;If load be greater than three main transformer capacities and and And, then determine the substation for the heavier station of load less than four main transformer capacities;If load factor is greater than four main transformer capacities and sentences The fixed substation is traffic overload station;Determine that formula is as follows:
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (1)

1. a kind of substation's load level analysis method based on real measured data, which comprises the following steps:
Step 1) obtains substation's load x, and substation configures quantity y, separate unit main transformer capacity s in substation in fortune main transformer, if main Parameter amount y=1, jumps to step 2);If main transformer quantity y=2, jumps to step 3);If main transformer quantity y=3, jumps to Step 4);If main transformer quantity y=4, jumps to step 5);
If step 2), load factor are equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than 50%, sentence The fixed substation is that load is gentlier stood;If load factor is more than or equal to 50% less than 70%, determine that the substation is moderate for load It stands;If load factor is more than or equal to 70% less than 100%, determine the substation for the heavier station of load;If load factor is more than or equal to 100%, then determine the substation for traffic overload station;Determine that formula is as follows:
F (x, y) is substation's load condition;
If step 3), load factor are equal to 0, determine that the substation is zero load station;If load factor is greater than 0 and is less than separate unit minimum master The 40% of varying capacity then determines that the substation gentlier stands for load;If load factor is more than or equal to separate unit minimum main transformer capacity 40% is less than the 100% of separate unit minimum main transformer capacity, then determines the substation for the moderate station of load;If load is greater than separate unit main transformer Capacity and less than two main transformer capacities and, then determine the substation for the heavier station of load;If load factor is greater than two main transformer capacities With then determine the substation for traffic overload station;Determine that formula is as follows:
If step 4), load factor are equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than two main transformers and holds The 40% of sum is measured, then determines that the substation gentlier stands for load;If load factor is more than or equal to the 40% small of two main transformer capacity sums In the 100% of two main transformer capacity sums, then determine the substation for the moderate station of load;If load be greater than two main transformer capacities and and And, then determine the substation for the heavier station of load less than three main transformer capacities;If load factor is greater than three main transformer capacities and sentences The fixed substation is traffic overload station;Determine that formula is as follows:
If step 5), load factor are equal to 0, determine that the substation is zero load station;If load factor is greater than 0 less than three main transformers and holds The 40% of sum is measured, then determines that the substation gentlier stands for load;If load factor is more than or equal to the 40% small of three main transformer capacity sums The 100% of Yu Santai main transformer capacity sum then determines the substation for the moderate station of load;If load be greater than three main transformer capacities and and And, then determine the substation for the heavier station of load less than four main transformer capacities;If load factor is greater than four main transformer capacities and sentences The fixed substation is traffic overload station;Determine that formula is as follows:
CN201710264700.5A 2017-04-21 2017-04-21 A kind of substation's load level analysis method based on real measured data Active CN106972486B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105226708A (en) * 2015-10-15 2016-01-06 中国电力科学研究院 The equivalent coordination optimizing method of a kind of large scale electric network operation plan
CN105224993A (en) * 2014-05-29 2016-01-06 国家电网公司 A kind of substation planning method optimized power distribution network and run
CN106130009A (en) * 2016-06-30 2016-11-16 国网上海市电力公司 The method that a kind of 220kV transformer station load transfer scheme quickly determines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105224993A (en) * 2014-05-29 2016-01-06 国家电网公司 A kind of substation planning method optimized power distribution network and run
CN105226708A (en) * 2015-10-15 2016-01-06 中国电力科学研究院 The equivalent coordination optimizing method of a kind of large scale electric network operation plan
CN106130009A (en) * 2016-06-30 2016-11-16 国网上海市电力公司 The method that a kind of 220kV transformer station load transfer scheme quickly determines

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