AU2021104336A4 - Power System Theoretical Line Loss Cloud Computing System and Method Thereof - Google Patents
Power System Theoretical Line Loss Cloud Computing System and Method Thereof Download PDFInfo
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- AU2021104336A4 AU2021104336A4 AU2021104336A AU2021104336A AU2021104336A4 AU 2021104336 A4 AU2021104336 A4 AU 2021104336A4 AU 2021104336 A AU2021104336 A AU 2021104336A AU 2021104336 A AU2021104336 A AU 2021104336A AU 2021104336 A4 AU2021104336 A4 AU 2021104336A4
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- 238000004364 calculation method Methods 0.000 claims abstract description 65
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- 238000004458 analytical method Methods 0.000 claims abstract description 29
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Classifications
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- 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
-
- 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
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Economics (AREA)
- Power Engineering (AREA)
- Strategic Management (AREA)
- Physics & Mathematics (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- Water Supply & Treatment (AREA)
- Tourism & Hospitality (AREA)
- General Health & Medical Sciences (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Public Health (AREA)
- Human Computer Interaction (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a theoretical line loss cloud computing system and a method of
an electric power system, wherein the system comprises a theoretical line loss cloud computing
platform and a cloud database; The theoretical line loss cloud computing platform includes
graphics module, acquisition module, data maintenance module, theoretical calculation
module, analysis module and control centre module. The graphics module is used to draw the
topological structure diagram of the power grid, and the acquisition module is used to obtain
the actual power grid information data in real time. The data maintenance module is used to
configure the actual power grid information data into the power grid topology diagram; The
theoretical calculation module is used to calculate the theoretical line loss of the topological
structure diagram hierarchically; The analysis module is used to summarize the results of
hierarchical calculation and generate reports, and the control centre module is used to centrally
manage the accounts, servers and data of each hierarchical power grid. The method has the
characteristics of convenient theoretical line loss calculation, low construction cost, strong
expandability and the like, and can realize centralized management of multiple users, multiple
data and multiple resources.
1/1
FIGURES
Power theoretical line loss cloud computing system
Theoretical line loss cloud Cloud database
computing platform
iure 1
0
HC
(1 -. -'D
Fiur I
Description
1/1
Power theoretical line loss cloud computing system
Theoretical line loss cloud Cloud database computing platform
0
iure 1 HC
(1-. -'D
Fiur I
Power System Theoretical Line Loss Cloud Computing System and Method
Thereof
The invention relates to the field of power system theoretical line loss calculation
and analysis, in particular to a power system theoretical line loss cloud computing
system and method.
Line loss is the power loss generated in the process of power transmission. Line
loss rate is an index to measure the level of power grid operation and management,
and it is also an important reference for smart grid planning and construction.
Theoretical line loss calculation can comprehensively reflect the power grid planning
and design level, power grid construction level, technical progress level, production
operation and management level, and is also an important technical management
means for power supply enterprises. With the expansion of power grid scale, the
importance of theoretical line loss calculation has become increasingly prominent.
How to accurately calculate the current loss of power grid network and how to take
effective measures to reduce line loss have become the focus of energy conservation
and emission reduction. However, compared with other work, line loss management
has some particularity. The data collection and information maintenance in the
maintenance period are required to be uninterrupted, and the workload is evenly
distributed in the whole-time axis. At the same time, there is a calculation period with
a large workload of loss calculation and result analysis, that is, there is a significant large-scale sudden calculation amount, especially for large-scale power grids. The existing theoretical line loss calculation system mainly has the following shortcomings:
(1) The existing theoretical line loss calculation system often adopts the mode of
independent design, independent construction and self-maintenance, which has
problems such as long construction period, high construction cost, inadequate
maintenance and inflexible expansion.
(2) It is difficult to summarize the calculation results of several departments in
charge, and it is impossible to make timely and comprehensive analysis. In addition,
there are still cases where the calculation standards are not uniform and standardized;
(3) In addition, load measurement and theoretical calculation of line loss have
high requirements for data simultaneity and accuracy, and the off-line calculation
methods currently adopted affect the measurement accuracy and calculation accuracy
to a certain extent;
(4) At present, the construction scheme of theoretical line loss calculation system
does not apply new technology well, and it cannot realize the elastic expansion of
calculation, storage and network resources, which will lead to repeated construction
of hardware resources and waste of investment, and the construction cost is relatively
high.
The purpose of the present invention is to provide a cloud computing system for
theoretical line loss of power system and an implementation method thereof, so as to solve the problems existing in the prior art, such as high construction cost, inflexible expansion, non-uniform calculation standard, non-standard calculation and low real time performance.
To achieve the above purpose, the present invention provides the following
scheme: The present invention provides a cloud computing system and method for
theoretical line loss of power system, including:
A power system theoretical line loss cloud computing system comprises a
theoretical line loss cloud computing platform and a cloud database, and is
characterized in that the theoretical line loss cloud computing platform comprises a
graphic module, an acquisition module, a data maintenance module, a theoretical
calculation module, an analysis module and a control center module;
The graphic module is used for drawing a power grid topological structure
diagram;
The acquisition module is used for acquiring actual power grid information data
in real time;
The data maintenance module is used for configuring the actual power grid
information data into the power grid topological structure diagram drawn by the
graphic module;
The theoretical calculation module is used for carrying out hierarchical
calculation on the theoretical line loss of the configured power grid topology diagram;
The analysis module is used for summarizing the hierarchical calculation results
of the theoretical calculation module and generating a report;
The control centre module is used for centralized management of accounts,
servers and data of each hierarchical power grid; It is also used to configure, manage
and schedule the tasks to be processed of the whole theoretical line loss cloud
computing platform.
And the cloud database is used for storing the hierarchical calculation results of
the theoretical analysis module and the summary results and reports of the analysis
module.
Preferably, the graphics module comprises an image editing submodule and a
network topology analysis submodule;
The image editing submodule draws a power grid topological structure diagram
through power system graphic symbols;
The network topology analysis submodule automatically updates the connection
relationship of the power grid topology diagram according to the state of the breaker
switch of the power system.
Preferably, the acquisition module comprises a timing sub-module and an
interface sub-module;
The timing submodule is used for synchronizing with the GPS clock and timing
with the electric meter;
And the interface submodule is used for acquiring actual power grid information
data in real time.
Preferably, the data maintenance module comprises a plurality of maintenance
sub-modules, and the plurality of maintenance sub-modules are respectively used for updating the power grid topology diagram of each branch unit user of the power system in real time.
Preferably, the theoretical calculation module calculates the theoretical line loss
by means of voltage division, partition, line division and substation area.
Preferably, the analysis module comprises a summary submodule and a
statistical report submodule;
The summarizing submodule is used for summarizing the results of the
hierarchical calculation of the theoretical calculation module;
And the statistical report submodule is used for generating a report on the
summary results of the summary submodule.
Preferably, the control centre module comprises a plurality of computing node
virtual machines, and the expansion and contraction of running resources is controlled
by automatically increasing or decreasing the number of computing node virtual
machines.
A theoretical line loss cloud calculation method of power system comprises the
following steps:
Acquiring an access request of a user;
Drawing a power grid topology diagram based on the user's access request;
Collecting real-time power grid information data based on user access requests;
Configuring the power grid topological structure diagram based on the collected
real-time power grid information data to obtain a main wiring diagram with power
grid information;
Carrying out hierarchical calculation on the theoretical line loss of the main
wiring diagram to obtain hierarchical calculation results;
Summarizing the grading calculation results and generating a report.
The technical scheme of the application has the beneficial effects that the power
system theoretical line loss cloud computing system and method provided by the
invention can draw the main wiring diagram online through the graphics module, and
can save the drawn graph to the local computer in the form of a file, thus solving the
defects of many stand-alone drawing software such as inconsistent drawing versions;
Carrying out hierarchical calculation on the theoretical line loss of the main
wiring diagram to obtain hierarchical calculation results;
Summarizing the grading calculation results and generating a report.
The technical scheme of the application has the beneficial effects that the power
system theoretical line loss cloud computing system and method provided by the
invention can draw the main wiring diagram online through the graphics module, and
can save the drawn graph to the local computer in the form of a file, thus solving the
defects of many stand-alone drawing software such as inconsistent drawing versions;
The acquisition module is synchronized with the GPS clock and synchronized with
the electric meter, and the acquisition module directly obtains data from SCADA, GIS
and metering automation systems with GPS synchronization, thus ensuring the real
time and unity of data. Through theoretical calculation module, theoretical line loss
values of voltage division, division, distribution and substation areas are calculated on
time, and the reasonable range of line loss of designated lines, components or areas is clearly defined. The centralized management of multi-users, multi-data and multi resources can be realized through the control center module, which provides strong support for the optimal design of large-scale power network, the economy of power system operation and the improvement of power supply quality.
In order to explain the embodiments of the present invention or the technical
scheme in the prior art more clearly, the figure needed in the embodiments will be
briefly introduced below. Obviously, the figure in the following description is only
some embodiments of the present invention, and for ordinary technicians in the field,
other figures can be obtained according to the figure without paying creative labour.
Figure 1 is an architecture block diagram of a theoretical line loss cloud
computing system of the present invention.
The technical scheme in the embodiments of the present invention will be
described clearly and completely with reference to the drawings in the embodiments
of the present invention. Obviously, the described embodiments are only part of the
embodiments of the present invention, not all of them. Based on the embodiments of
the present invention, all other embodiments obtained by ordinary technicians in the
field without creative labour belong to the scope of protection of the present
invention.
A theoretical line loss cloud computing system of power system comprises a
theoretical line loss cloud computing platform and a cloud database deployed in a
virtual private cloud;
The theoretical line loss cloud computing platform includes graphics module,
acquisition module, data maintenance module, theoretical calculation module,
analysis module and control centre module.
The graphics module includes image editing submodule and network topology
analysis submodule. The image editing sub-module contains power system graphic
symbols, such as generator, transformer, switch, etc. And the image editing
submodule can also identify different colours for different voltage levels; You can
also copy and paste single or multiple graphs, or directly import the power grid wiring
diagram of the power system through the data maintenance module and convert it into
the power grid topology diagram.
In order to make the above objects, features and advantages of the present
invention more obvious and easier to understand, the present invention will be further
explained in detail with reference to the figure and specific embodiments.
The network topology diagram drawn by the image editing submodule can be
saved to the local computer in the form of a file.
The network topology analysis sub-module analyses the network structure of the
power grid topology diagram drawn by the image editing sub-module based on the
switch state of the power system, judges the node-branch of the power grid topology
diagram, automatically numbering lines, nodes and transformers, and connects the branch current, node voltage, active power, reactive power, active power and reactive power with the nodes or branches of the power grid topology diagram.
The acquisition module includes a timing sub-module and an interface sub
module.
The timing submodule is synchronized with GSP clock, then synchronized with
electric meter and also synchronized with acquisition device, which is external
equipment, specifically SCADA system, GIS system and metering automation
system;
The interface sub-module is CIM data interface, which can obtain the main
wiring diagram, component parameters, branch current, node voltage, active power,
reactive power, active power and reactive power from SCADA system, GIS system
and metering automation system through CIM data interface.
Furthermore, the data obtained from SCADA system, GIS system and metering
automation system can be directly used for theoretical line loss calculation.
The data maintenance module includes several maintenance sub-modules. Users
of each unit in charge of power system can update the topology diagram of power grid
in real time according to the actual power grid information data through their own
maintenance sub-modules, which can complete the management of grid data within
the jurisdiction of each unit in charge.
The theoretical calculation module calculates the theoretical line loss by means
of voltage division, division, branch line and sub-station area, and the theoretical calculation module calculates the theoretical line loss within the jurisdiction of users of each branch unit.
The analysis module includes a summary submodule and a statistical report
submodule.
The summary submodule can summarize the results of hierarchical calculation
by the theoretical calculation module; It can also splice the grid data in the grid
topology diagram of each branch unit, and also splice the calculated data and results
of theoretical line loss within the jurisdiction of each branch unit user;
The statistics report submodule will make statistics on the results of the splicing
summary of the summary submodule and generate a report.
The control centre module adopts virtualization technology, and also includes a
plurality of computing node virtual machines, which can realize the rapid expansion
and contraction of running resources by automatically increasing or reducing the
number of computing aggregation point virtual machines, so as to adapt to the sudden
calculation amount of theoretical line loss calculation.
Theoretical line loss cloud computing platform and cloud database are deployed
in private cloud, which can realize the performance of cloud server and the elasticity
of cloud database storage;
The cloud database stores the hierarchical calculation results of the theoretical
analysis module and the summary results and reports of the analysis module.
A power system theoretical line loss cloud computing method based on the
power system theoretical line loss cloud computing system comprises the following
steps:
Step 1: Acquiring an access request of a user;
The user accesses the theoretical line loss cloud computing system on the
browser through the authorized terminal. After receiving the request, the control
centre module controls the corresponding module to open according to the user's
requirements. If the user needs to draw the power grid topology diagram, the graphic
module will be opened.
Step 2: Drawing a power grid topological structure diagram based on a user's
access request;
The graphic module draws the power grid topological structure diagram
according to the user's requirements, in which the network topological structure and
each component parameter of the main network and distribution network are drawn
on the diagram by the image editing sub-module, and then the network topology
analysis sub-module analyses the power grid topological structure diagram drawn by
the image editing sub-module based on the switch state of the power system, judges
the power grid topological structure diagram from node to branch, and automatically
completes the numbering of lines, nodes, transformers, etc. The parameters such as
branch current, node voltage, active power, reactive power, active power and reactive
power are connected with the nodes or branches of the power grid topology diagram.
Step 3: Collecting real-time power grid information data based on the user's
access request;
Based on the user's access request, the timing sub-module synchronizes with
GSP clock, then with ammeter, SCADA system, GIS system and metering automation
system. After the timing is completed, the main wiring diagram, component
parameters and actual grid information data such as branch current, node voltage,
active power, reactive power, active power and reactive power are obtained from
SCADA system, GIS system and metering automation system through CIM data
interface.
Step 4: Configuring the power grid topological structure diagram based on the
collected real-time power grid information data to obtain a main wiring diagram with
power grid information;
Users update the grid topology diagram in real time according to the actual grid
information data through their own maintenance sub-modules, and get the main
wiring diagram with grid information.
Step 5: Carrying out hierarchical calculation on the theoretical line loss of the
main wiring diagram to obtain hierarchical calculation results;
The theoretical calculation module calculates the theoretical line loss of the main
wiring diagram with power grid information by means of voltage division, division,
distribution and substation area.
Step 6: Summarizing the grading calculation results and generating a report.
The summary submodule in the analysis module splices the calculation results of
theoretical line loss classification, and the statistics report submodule makes statistics
on the splicing results of the summary submodule and generates a report.
In the description of the present invention, it should be understood that the terms
"longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right",
"vertical", "horizontal", "top", "bottom", "inner" and "outer"
The above embodiments only describe the preferred mode of the invention, but
do not limit the scope of the invention. On the premise of not departing from the
design spirit of the invention, various modifications and improvements made by
ordinary technicians in the field to the technical scheme of the invention shall fall
within the protection scope determined by the claims of the invention.
Claims (8)
1. A theoretical line loss cloud computing system of power system comprises a
theoretical line loss cloud computing platform and a cloud database, and is
characterized in that the theoretical line loss cloud computing platform comprises a
graphic module, an acquisition module, a data maintenance module, a theoretical
calculation module, an analysis module and a control center module;
The graphic module is used for drawing a power grid topological structure
diagram;
The acquisition module is used for acquiring actual power grid information data
in real time;
The data maintenance module is used for configuring the actual power grid
information data into the power grid topological structure diagram drawn by the
graphic module;
The theoretical calculation module is used for carrying out hierarchical
calculation on the theoretical line loss of the configured power grid topology diagram;
The analysis module is used for summarizing the hierarchical calculation results
of the theoretical calculation module and generating a report;
The control centre module is used for centralized management of accounts,
servers and data of each hierarchical power grid; It is also used to configure, manage
and schedule the tasks to be processed of the whole theoretical line loss cloud
computing platform;
The cloud database is used for storing the hierarchical calculation results of the
theoretical analysis module and the summary results and reports of the analysis
module.
2. The power system theoretical line loss cloud computing system according to
claim 1, which is characterized in that:
The graphic module comprises an image editing submodule and a network
topology analysis submodule;
The image editing submodule draws the power grid topological structure
diagram through power system graphic symbols;
The network topology analysis submodule automatically updates the connection
relationship of the power grid topology diagram according to the state of the breaker
switch of the power system.
3. The power system theoretical line loss cloud computing system according to
claim 1, which is characterized in that:
The acquisition module comprises a timing sub-module and an interface sub
module;
The timing submodule is used for synchronizing with the GPS clock and timing
with the electric meter;
The interface submodule is used for acquiring the actual power grid information
data in real time.
4. The power system theoretical line loss cloud computing system according to
claim 1, which is characterized in that:
The data maintenance module comprises a plurality of maintenance sub
modules, and the maintenance sub-modules are respectively used for updating the
power grid topological structure diagram of each branch unit user of the power system
in real time.
5. The power system theoretical line loss cloud computing system according to
claim 1, which is characterized in that:
The theoretical calculation module calculates the theoretical line loss in the ways
of voltage division, partition, line division and substation area.
6. The power system theoretical line loss cloud computing system according to
claim 1, which is characterized in that:
The analysis module comprises a summary submodule and a statistical report
submodule;
The summarizing submodule is used for summarizing the results of the
hierarchical calculation of the theoretical calculation module;
And the statistical report submodule is used for generating a report on the
summary results of the summary submodule.
7. The power system theoretical line loss cloud computing system according to
claim 1, which is characterized in that:
The control centre module comprises a plurality of computing node virtual
machines, and the expansion and contraction of running resources is controlled by
automatically increasing or decreasing the number of computing node virtual
machines.
8. A method for calculating theoretical line loss cloud of power system,
comprising:
Acquiring an access request of a user;
Drawing a power grid topology diagram based on the user's access request;
Collecting real-time power grid information data based on user access requests;
Configuring the power grid topological structure diagram based on the collected
real-time power grid information data to obtain a main wiring diagram with power
grid information;
Carrying out hierarchical calculation on the theoretical line loss of the main
wiring diagram to obtain hierarchical calculation results;
Summarizing the grading calculation results and generating a report.
FIGURES 1/1
Figure 1
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| Application Number | Priority Date | Filing Date | Title |
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| AU2021104336A AU2021104336A4 (en) | 2021-07-20 | 2021-07-20 | Power System Theoretical Line Loss Cloud Computing System and Method Thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| AU2021104336A AU2021104336A4 (en) | 2021-07-20 | 2021-07-20 | Power System Theoretical Line Loss Cloud Computing System and Method Thereof |
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| AU2021104336A4 true AU2021104336A4 (en) | 2021-09-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113800A (en) * | 2021-12-27 | 2022-03-01 | 广西电网有限责任公司 | Historical data-based line loss online analysis method |
| CN114204674A (en) * | 2021-11-13 | 2022-03-18 | 国网辽宁省电力有限公司葫芦岛供电公司 | Power distribution station area grading line loss analysis system based on cloud edge collaboration |
| CN114387125A (en) * | 2021-12-23 | 2022-04-22 | 国网天津市电力公司营销服务中心 | Line loss analysis and management system for power equipment |
-
2021
- 2021-07-20 AU AU2021104336A patent/AU2021104336A4/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204674A (en) * | 2021-11-13 | 2022-03-18 | 国网辽宁省电力有限公司葫芦岛供电公司 | Power distribution station area grading line loss analysis system based on cloud edge collaboration |
| CN114387125A (en) * | 2021-12-23 | 2022-04-22 | 国网天津市电力公司营销服务中心 | Line loss analysis and management system for power equipment |
| CN114113800A (en) * | 2021-12-27 | 2022-03-01 | 广西电网有限责任公司 | Historical data-based line loss online analysis method |
| CN114113800B (en) * | 2021-12-27 | 2023-10-24 | 广西电网有限责任公司 | Line loss on-line analysis method based on historical data |
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