CN111027829A - Benefit-based power grid planning system - Google Patents

Benefit-based power grid planning system Download PDF

Info

Publication number
CN111027829A
CN111027829A CN201911183576.5A CN201911183576A CN111027829A CN 111027829 A CN111027829 A CN 111027829A CN 201911183576 A CN201911183576 A CN 201911183576A CN 111027829 A CN111027829 A CN 111027829A
Authority
CN
China
Prior art keywords
power grid
evaluation unit
line
load
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911183576.5A
Other languages
Chinese (zh)
Other versions
CN111027829B (en
Inventor
方志国
张华荣
夏晓燕
卢德培
邱萌
朱源
沈春
杨嵩凌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Maoyuan Electrical Co ltd
State Grid Corp of China SGCC
Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Dongtai Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
Jiangsu Maoyuan Electrical Co ltd
State Grid Corp of China SGCC
Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Dongtai Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Maoyuan Electrical Co ltd, State Grid Corp of China SGCC, Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd, Dongtai Power Supply Co of State Grid Jiangsu Electric Power Co Ltd filed Critical Jiangsu Maoyuan Electrical Co ltd
Priority to CN201911183576.5A priority Critical patent/CN111027829B/en
Publication of CN111027829A publication Critical patent/CN111027829A/en
Application granted granted Critical
Publication of CN111027829B publication Critical patent/CN111027829B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0637—Strategic management or analysis, e.g. setting a goal or target of an organisation; Planning actions based on goals; Analysis or evaluation of effectiveness of goals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Human Resources & Organizations (AREA)
  • Engineering & Computer Science (AREA)
  • Economics (AREA)
  • Strategic Management (AREA)
  • General Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Marketing (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Educational Administration (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Development Economics (AREA)
  • Game Theory and Decision Science (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • General Health & Medical Sciences (AREA)
  • Primary Health Care (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention provides a benefit-based power grid planning system which comprises a continuity evaluation unit, a line reliability evaluation unit, a load coordination evaluation unit, an economy evaluation unit and a comprehensive evaluation unit, wherein the comprehensive evaluation unit is respectively connected with the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit. The invention provides a benefit-based power grid planning system, which comprehensively considers factors of continuity, line reliability, load coordination and economy and can reasonably arrange a power grid planning project construction time sequence.

Description

Benefit-based power grid planning system
Technical Field
The invention belongs to the technical field of power grid planning, and particularly relates to a benefit-based power grid planning system.
Background
With the continuous development of scientific and technological economy, a power grid becomes an important infrastructure for people to produce and live, and how to ensure that the power grid provides high-quality power supply for the development of the regional economic society and the improvement of the living standard of people is a main problem for power grid planning.
With the continuous expansion of the scale of the power grid, the construction time sequence of a power grid planning project is reasonably arranged, the input and output benefits are emphasized, and the problem that power enterprises need to deeply research and solve urgently is formed.
The invention provides a benefit-based power grid planning system which can comprehensively consider factors of continuity, line reliability, load coordination and economy and reasonably arrange a power grid planning project construction time sequence.
Disclosure of Invention
The invention provides a benefit-based power grid planning system, which comprehensively considers factors of continuity, line reliability, load coordination and economy and can reasonably arrange a power grid planning project construction time sequence.
The invention particularly relates to a benefit-based power grid planning system which comprises a continuity evaluation unit, a line reliability evaluation unit, a load coordination evaluation unit, an economy evaluation unit and a comprehensive evaluation unit, wherein the comprehensive evaluation unit is respectively connected with the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit; and the power grid planning system inputs evaluation data of the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit into the comprehensive evaluation unit for further comprehensive analysis, determines the implementation sequence of projects and realizes effective planning of the power grid.
The continuity evaluation unit completes the calculation of the matching condition of the newly increased power supply electric energy of the power grid plan and the predicted increased load:
Figure BDA0002291884040000011
k is that the predicted increased load value is larger than the planned new increased power supply electric energy years;
calculating the maximum power supply capacity improvement condition of the power grid:
Figure BDA0002291884040000012
p is the maximum power supply capacity of the power grid at present, PsAnd the expected maximum power supply capacity after the current power grid is replanned.
The line reliability evaluation unit completes calculation of the average number of sections of the power grid line:
Figure BDA0002291884040000021
N1for the total number of sections, N, of the grid utility overhead line2The total number of the power grid public overhead lines is;
and calculating the contact rate of the power grid line:
Figure BDA0002291884040000022
N3number of medium and public lines interconnected for said network, N4The total number of the power grid public electric lines is;
calculating the passing rate of the power grid line N-1:
Figure BDA0002291884040000023
N5the number of lines meeting N-1 is set for the power grid;
and calculating the line proportion of the power grid with the operation life exceeding 20 years:
Figure BDA0002291884040000024
N6the number of lines is greater than 20 years of the operation life of the power grid;
calculating the cabling rate of the power grid line:
Figure BDA0002291884040000025
L1is the length, L, of the electric wire of the public distribution line of the electric network2The total length of the power grid public distribution line.
The load coordination evaluation unit completes the calculation of the load unbalance of the power grid transformer substation:
Figure BDA0002291884040000026
Sifor the single substation load rate of the grid,
Figure BDA0002291884040000027
the average value of the load rates of the power grid substations is obtained, and M is the number of the power grid substations;
calculating the load imbalance degree of the power grid line:
Figure BDA0002291884040000028
SLifor the single-line load rate of the grid,
Figure BDA0002291884040000029
the average value of the load rate of the power grid line is obtained; mLThe number of the power grid lines is the number of the power grid lines;
and calculating the overload proportion of the power grid line:
Figure BDA00022918840400000210
N7the number of the public line for the power grid overload is the number of the public lines;
calculating the light load proportion of the power grid line:
Figure BDA00022918840400000211
N8the number of the light-load public lines of the power grid is the number of the light-load public lines of the power grid;
calculating the heavy load proportion of the power grid line:
Figure BDA0002291884040000031
N9the number of heavy-load public lines of the power grid is counted;
the economic evaluation unit completes the calculation of the comprehensive line loss rate of the power grid:
Figure BDA0002291884040000032
P1for supplying said network with power, P2Selling electricity for the power grid.
The comprehensive evaluation unit analyzes various numerical values obtained by the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit of different projects to obtain the power grid planning and construction time sequence:
constructing an initial matrix:
Figure BDA0002291884040000039
m is the number of items, and n is 13;
obtaining a normative decision matrix by using a vector normalization method
Figure BDA00022918840400000310
Figure BDA0002291884040000033
Constructing a weighted normalized decision matrix:
Figure BDA00022918840400000311
zij＝ωjyiji＝1,2,…,m,j＝1,2,…,n，ω1+ω2+Λωn＝1；
determining a positive ideal solution vector
Figure BDA0002291884040000034
Negative ideal solution vector
Figure BDA0002291884040000035
Figure BDA0002291884040000036
TA＝{T1T2T3T4T5T7}，TB＝{T6T8T9T10T11T12T13}；
Calculating relative closeness of each different item to the positive ideal solution:
Figure BDA0002291884040000037
Figure BDA0002291884040000038
and sequentially constructing the projects according to the sequence of the relative closeness of the different projects to the ideal solution from large to small.
Finding out the item with the relative closeness of different items to the positive ideal solution closest to 1 as the first item to be implemented, and the rest items are according to CiThe steps are implemented once from large to small.
Compared with the prior art, the beneficial effects are: the power grid planning system comprehensively considers factors of continuity, line reliability, load coordination and economy, further obtains construction sequences of different projects, and realizes effective planning of a power grid.
Drawings
Fig. 1 is a schematic structural diagram of a benefit-based power grid planning system according to the present invention.
Detailed Description
The following describes in detail a specific embodiment of the benefit-based grid planning system according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, the power grid planning system of the present invention includes a continuity evaluation unit, a line reliability evaluation unit, a load coordination evaluation unit, an economy evaluation unit, and a comprehensive evaluation unit, wherein the comprehensive evaluation unit is respectively connected to the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit, and the economy evaluation unit; the power grid planning system inputs evaluation data of the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit into the comprehensive evaluation unit for further comprehensive analysis, determines the implementation sequence of projects and realizes effective planning of a power grid.
The continuity evaluation unit mainly completes the calculation of the continuity indexes of the project and mainly comprises
Calculating the matching condition of the newly increased power supply electric energy of the power grid plan and the predicted increased load:
Figure BDA0002291884040000041
k is that the predicted increased load value is larger than the planned new increased power supply electric energy years;
calculating the maximum power supply capacity improvement condition of the power grid:
Figure BDA0002291884040000042
p is the maximum power supply capacity of the current power grid, PsAnd the expected maximum power supply capacity after the current power grid is replanned.
The line reliability evaluation unit mainly completes the calculation of the project reliability index, and mainly comprises
Calculating the average number of sections of the power grid line:
Figure BDA0002291884040000043
N1for total number of sections, N, of the public overhead line of the grid2The total number of the public overhead lines of the power grid;
calculating the connection rate of the power grid lines:
Figure BDA0002291884040000044
N3number of medium and public lines interconnected for electric network, N4The total number of the power grid public electric lines is;
calculating the passing rate of the power grid line N-1:
Figure BDA0002291884040000045
N5n-1 lines are required for the power grid.
Calculating the line proportion of the power grid with the operation age exceeding 20 years:
Figure BDA0002291884040000051
N6the number of lines is greater than 20 years of the operation life of the power grid;
calculating the cabling rate of the power grid line:
Figure BDA0002291884040000052
L1for the length, L, of the electric cable of the public distribution line of the electric network2The total length of the public distribution line of the power grid.
The load coordination evaluation unit mainly completes the calculation of the project coordination index, and mainly comprises
Calculating the load unbalance of the power grid transformer substation:
Figure BDA0002291884040000053
Sithe load rate of a single substation of the power grid,
Figure BDA0002291884040000054
the average value of the load rates of the power grid substations is obtained, and M is the number of the power grid substations;
calculating the load imbalance degree of the power grid line:
Figure BDA0002291884040000055
SLifor the load rate of a single line of the power grid,
Figure BDA0002291884040000056
the average value of the load rate of the power grid line is obtained; mLThe number of the power grid lines is;
calculating the overload proportion of the power grid line:
Figure BDA0002291884040000057
N7the number of the overload public lines of the power grid is the number of the overload public lines, and the overload public lines refer to the public lines with the maximum load rate more than 100%;
calculating the light load proportion of the power grid line:
Figure BDA0002291884040000058
N8the number of the light-load public lines of the power grid is the number of the light-load public lines, and the light-load lines refer to the public lines with the maximum load rate of less than 20%.
Calculating the heavy load proportion of the power grid line:
Figure BDA0002291884040000059
N9the number of the heavy-load public lines of the power grid is equal to that of the power grid, and the heavy-load public lines refer to the public lines with the maximum load rate of 80% -100%.
The economic evaluation unit completes the calculation of the comprehensive line loss rate of the power grid:
Figure BDA00022918840400000510
P1for the supply of the mains, P2Selling electricity for the power grid.
The comprehensive evaluation unit analyzes various numerical values obtained by the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economic evaluation unit of different projects to obtain a power grid planning and construction time sequence:
constructing an initial matrix:
Figure BDA00022918840400000511
m is the number of items, and n is 13;
obtaining a normative decision matrix by using a vector normalization method
Figure BDA0002291884040000067
Figure BDA0002291884040000061
Constructing a weighted normalized decision matrix:
Figure BDA0002291884040000068
zij＝ωjyiji＝1,2,…,m,j＝1,2,…,n，ω1+ω2+Λωn＝1；
determining a positive ideal solution vector
Figure BDA0002291884040000062
Negative ideal solution vector
Figure BDA0002291884040000063
Figure BDA0002291884040000064
TA＝{T1T2T3T4T5T7}，TB＝{T6T8T9T10T11T12T13}；
Calculating the relative closeness of each different item to the positive ideal solution:
Figure BDA0002291884040000065
Figure BDA0002291884040000066
and (4) sequentially constructing the projects according to the sequence of the relative closeness of the different projects to the positive ideal solution from large to small.
Finding the item with the closest relative closeness to 1 as the first item to be implemented, and pressing C for the restiThe steps are implemented once from large to small.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The benefit-based power grid planning system is characterized by comprising a continuity evaluation unit, a line reliability evaluation unit, a load coordination evaluation unit, an economy evaluation unit and a comprehensive evaluation unit, wherein the comprehensive evaluation unit is respectively connected with the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit; and the power grid planning system inputs evaluation data of the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit into the comprehensive evaluation unit for further comprehensive analysis, determines the implementation sequence of projects and realizes effective planning of the power grid.
2. The benefit-based power grid planning system according to claim 1, wherein the continuity evaluation unit performs calculation of matching between the newly added power supply energy of the power grid plan and the predicted increased load:
Figure FDA0002291884030000011
k is that the predicted increased load value is larger than the planned new increased power supply electric energy years;
calculating the maximum power supply capacity improvement condition of the power grid:
Figure FDA0002291884030000012
p is the maximum power supply capacity of the power grid at present, PsAnd the expected maximum power supply capacity after the current power grid is replanned.
3. The benefit-based power grid planning system according to claim 2, wherein the line reliability evaluation unit performs the calculation of the average number of sections of the power grid line:
Figure FDA0002291884030000013
N1for the total number of sections, N, of the grid utility overhead line2The total number of the power grid public overhead lines is;
and calculating the contact rate of the power grid line:
Figure FDA0002291884030000014
N3number of medium and public lines interconnected for said network, N4The total number of the power grid public electric lines is;
calculating the passing rate of the power grid line N-1:
Figure FDA0002291884030000015
N5the number of lines meeting N-1 is set for the power grid;
and calculating the line proportion of the power grid with the operation life exceeding 20 years:
Figure FDA0002291884030000016
N6the number of lines is greater than 20 years of the operation life of the power grid;
calculating the cabling rate of the power grid line:
Figure FDA0002291884030000017
L1is the length, L, of the electric wire of the public distribution line of the electric network2The total length of the power grid public distribution line.
4. The benefit-based power grid planning system according to claim 3, wherein the load coordination evaluation unit performs the calculation of the degree of load imbalance of the power grid substation:
Figure FDA0002291884030000021
Sifor the single substation load rate of the grid,
Figure FDA0002291884030000022
the average value of the load rates of the power grid substations is obtained, and M is the number of the power grid substations;
calculating the load imbalance degree of the power grid line:
Figure FDA0002291884030000023
SLifor the single-line load rate of the grid,
Figure FDA0002291884030000024
the average value of the load rate of the power grid line is obtained; mLThe number of the power grid lines is the number of the power grid lines;
and calculating the overload proportion of the power grid line:
Figure FDA0002291884030000025
N7the number of the public line for the power grid overload is the number of the public lines;
calculating the light load proportion of the power grid line:
Figure FDA0002291884030000026
N8the number of the light-load public lines of the power grid is the number of the light-load public lines of the power grid;
calculating the heavy load proportion of the power grid line:
Figure FDA0002291884030000027
N9and overloading the number of public lines for the power grid.
5. The benefit-based power grid planning system according to claim 4, wherein the economic evaluation unit performs the calculation of the comprehensive line loss rate of the power grid by:
Figure FDA0002291884030000028
P1for supplying said network with power, P2Selling electricity for the power grid.
6. The benefit-based power grid planning system according to claim 5, wherein the comprehensive evaluation unit analyzes values obtained by the continuity evaluation unit, the line reliability evaluation unit, the load coordination evaluation unit and the economy evaluation unit of different projects to obtain the power grid planning construction time sequence:
constructing an initial matrix:
Figure FDA0002291884030000029
m is the number of items, and n is 13;
obtaining a normative decision matrix by using a vector normalization method
Figure FDA00022918840300000210
Figure FDA00022918840300000211
Constructing a weighted normalized decision matrix:
Figure FDA00022918840300000212
zij＝ωjyiji＝1,2,…,m,j＝1,2,…,n，ω1+ω2+Λωn＝1；
determining a positive ideal solution vector
Figure FDA0002291884030000031
Negative ideal solution vector
Figure FDA0002291884030000032
Figure FDA0002291884030000033
TA＝{T1T2T3T4T5T7}，TB＝{T6T8T9T10T11T12T13}；
Calculating relative closeness of each different item to the positive ideal solution:
Figure FDA0002291884030000034
Figure FDA0002291884030000035
and sequentially constructing the projects according to the sequence of the relative closeness of the different projects to the ideal solution from large to small.
CN201911183576.5A 2019-11-27 2019-11-27 Benefit-based power grid planning system Active CN111027829B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911183576.5A CN111027829B (en) 2019-11-27 2019-11-27 Benefit-based power grid planning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911183576.5A CN111027829B (en) 2019-11-27 2019-11-27 Benefit-based power grid planning system

Publications (2)

Publication Number Publication Date
CN111027829A true CN111027829A (en) 2020-04-17
CN111027829B CN111027829B (en) 2023-05-09

Family

ID=70206935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911183576.5A Active CN111027829B (en) 2019-11-27 2019-11-27 Benefit-based power grid planning system

Country Status (1)

Country Link
CN (1) CN111027829B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112348697A (en) * 2020-10-21 2021-02-09 国网天津市电力公司 Power grid running state comprehensive evaluation method and device based on big data

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104134166A (en) * 2014-07-30 2014-11-05 国家电网公司 Method for calculating overall coordination indexes of power source, power grid and load
CN106779436A (en) * 2016-12-27 2017-05-31 国家电网公司 A kind of Electric Power Network Planning stage construction harmony comprehensive estimation method
CN109615245A (en) * 2018-12-14 2019-04-12 国网山东省电力公司经济技术研究院 A kind of method of pair of Electric Power Network Planning total evaluation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104134166A (en) * 2014-07-30 2014-11-05 国家电网公司 Method for calculating overall coordination indexes of power source, power grid and load
CN106779436A (en) * 2016-12-27 2017-05-31 国家电网公司 A kind of Electric Power Network Planning stage construction harmony comprehensive estimation method
CN109615245A (en) * 2018-12-14 2019-04-12 国网山东省电力公司经济技术研究院 A kind of method of pair of Electric Power Network Planning total evaluation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112348697A (en) * 2020-10-21 2021-02-09 国网天津市电力公司 Power grid running state comprehensive evaluation method and device based on big data
CN112348697B (en) * 2020-10-21 2022-11-01 国网天津市电力公司 Power grid running state comprehensive evaluation method and device based on big data

Also Published As

Publication number Publication date
CN111027829B (en) 2023-05-09

Similar Documents

Publication Publication Date Title
CN105096207B (en) Important power user power supply reliability assessment method based on analytic hierarchy process
CN105761161A (en) AC and DC power distribution network power supply mode evaluation method
CN105914735B (en) A kind of power distribution network economic load tidal current computing method
CN105046584A (en) K-MEANS algorithm-based ideal line loss rate calculation method
Ha et al. A novel approach for optimal allocation of a distributed generator in a radial distribution feeder for loss minimization and tail end node voltage improvement during peak load
CN111680469A (en) Medium-low voltage distribution network line loss limit value calculation method
CN111025081A (en) Residential voltage monitoring method for power distribution area
WO2023165348A1 (en) Method and device for determining switching state of reactive compensation of distribution transformer
CN111027886A (en) Evaluation method of low-voltage treatment scheme considering unit cost effectiveness
CN105958472B (en) A kind of power distribution network operation optimizing system
CN109995094B (en) Planning method and system for AC/DC hybrid micro-grid
CN109960833B (en) Method and system for optimizing direct-current distribution voltage class configuration scheme
CN111478303A (en) Method for determining voltage grade sequence of medium-low voltage direct current distribution system
CN111027829A (en) Benefit-based power grid planning system
Prasanna et al. Genetic algorithm based optimal allocation of a distributed generator in a radial distribution feeder
CN118134572A (en) Distributed transaction method and system for new energy of power distribution network under energy sharing framework
Alden et al. V2G optimization for dispatchable residential load operation and minimal utility cost
CN116780648A (en) Method, system and equipment for analyzing bearing capacity of distributed power technology of power distribution network
CN112202248B (en) Low-voltage distribution network topology branch refining identification method
CN115912503A (en) Scheduling method, device and equipment for micro-grid power generation and storage medium
CN116467886B (en) Energy efficiency evaluation method for transformer substation in alpine region
Du et al. Decentralized home energy management system to reduce system peak and uncertainty
CN113285440A (en) Low-voltage transformer area loss reduction optimization method
Qianhao et al. Data Mining-based Multi-objective Economic Dispatching of Distribution Network with Distributed Generation and Electric Vehicle
CN110610328A (en) Multidimensional operation evaluation method for direct-current micro-grid

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant