CN106451442B - Power failure frequency determination method based on power distribution network topological structure - Google Patents
Power failure frequency determination method based on power distribution network topological structure Download PDFInfo
- Publication number
- CN106451442B CN106451442B CN201611057075.9A CN201611057075A CN106451442B CN 106451442 B CN106451442 B CN 106451442B CN 201611057075 A CN201611057075 A CN 201611057075A CN 106451442 B CN106451442 B CN 106451442B
- Authority
- CN
- China
- Prior art keywords
- line segment
- line
- power failure
- power
- segment
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 101100008048 Caenorhabditis elegans cut-4 gene Proteins 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
Images
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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
Abstract
The invention discloses a method and a device for determining the number of power failures based on a topological structure of a power distribution network, wherein the method comprises the following steps: acquiring power failure information of a current line; obtaining a platform area of a first line segment; determining the total number of power failure times of the transformer area of the first line section according to the power failure times of the line to which the first line section belongs, all transformer areas in the first line section, the first line section and the superior line section of the first line section, which are obtained from the power failure information; obtaining a second line segment in the current line; and determining the total power failure times of the second line segment according to the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information. By applying the technical scheme provided by the embodiment of the invention, the power failure condition and the position of the power distribution network are accurately positioned by determining the power failure times of the distribution area and the line.
Description
Technical Field
The invention relates to the field of power distribution network detection, in particular to a power failure frequency determination method and device based on a power distribution network topological structure.
Background
The existing power distribution network topology includes: the line comprises a plurality of line segments, one line segment comprises a plurality of station areas, and the obtained power failure information is usually the number of times of line power failure or line segment power failure or station area power failure at a certain monitoring point. The existing monitoring is carried out manually, and the power failure accurate monitoring of the detected power failure detail data on the power distribution network cannot be realized aiming at the current situation that the power failure management of 10kV power distribution network equipment is rough at present.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method and a device for determining the power failure times based on a topological structure of a power distribution network, and the method and the device realize the accurate positioning of the power failure condition and the position of the power distribution network by determining the power failure times of a distribution area and a line.
In order to achieve the above purpose, the present invention provides the following technical solutions: a power failure frequency determination method based on a power distribution network topological structure comprises the following steps:
acquiring power failure information of a current line;
obtaining a platform area of a first line segment;
determining the total number of power failure times of the transformer area of the first line section according to the power failure times of the line to which the first line section belongs, all transformer areas in the first line section, the first line section and the superior line section of the first line section, which are obtained from the power failure information;
obtaining a second line segment in the current line;
and determining the total power failure times of the second line segment according to the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information.
Preferably, the determining the total number of blackouts of the station area of the first line segment according to the number of blackouts of the line to which the first line segment belongs, all station areas themselves in the first line segment, and the superior line segment of the first line segment, which is obtained from the blackout information, includes:
and determining the sum of the power failure times of the line to which the first line segment belongs, all the distribution areas in the first line segment, the first line segment and the superior line segment of the first line segment, which are obtained from the power failure information, as the total power failure time of the distribution areas of the first line segment.
Preferably, the power outage of the first line segment includes:
under the condition that the superior line segment of the first line segment is not powered off, the number of the power-off areas in the first line segment is not less than a first preset number, and the time difference value of the power-off start of the areas of the first preset number is not less than first preset time.
Preferably, the superior segment of the first segment includes:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
Preferably, the determining the total number of times of power outage of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the number of times of power outage of the current line, which are obtained from the power outage information, includes:
and determining the sum of the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information as the total power failure time of the second line segment.
In order to achieve the above purpose, the present invention provides the following technical solutions: an apparatus for determining a number of blackouts based on a topology of a power distribution network, the apparatus comprising:
the acquisition module is used for acquiring the power failure information of the current line;
the first obtaining module is used for obtaining a platform area of the first line segment;
the first determining module is used for determining the total number of power failure times of the transformer area of the first line section according to the power failure times of the line to which the first line section belongs, all transformer areas in the first line section, the first line section and the superior line section of the first line section, which are obtained from the power failure information;
a second obtaining module, configured to obtain a second line segment in the current line;
and the second determining module is used for determining the total power failure times of the second line segment according to the second line segment, the superior line segment of the second line segment and the current line power failure times obtained from the power failure information.
Preferably, the first determining module is specifically configured to:
and determining the sum of the power failure times of the line to which the first line segment belongs, all the distribution areas in the first line segment, the first line segment and the superior line segment of the first line segment, which are obtained from the power failure information, as the total power failure time of the distribution areas of the first line segment.
Preferably, the power outage of the first line segment includes:
under the condition that the superior line segment of the first line segment is not powered off, the number of the power-off areas in the first line segment is not less than a first preset number, and the time difference value of the power-off start of the areas of the first preset number is not less than first preset time.
Preferably, the superior segment of the first segment includes:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
Preferably, the second determining module is specifically configured to:
and determining the sum of the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information as the total power failure time of the second line segment.
Compared with the prior art, the method and the device for determining the power failure times based on the power distribution network topology structure have the following beneficial effects that:
(1) the power failure times determining method and device based on the power distribution network topological structure, provided by the embodiment of the invention, can be used for determining the power failure times of the distribution network area and the line, so that the power failure condition and position of the power distribution network can be accurately positioned;
(2) the method and the device for determining the power failure times based on the topological structure of the power distribution network are beneficial to correlating power failure information of a line, a line segment, a superior line segment and a distribution area so as to realize power failure early warning and power failure position analysis of power distribution network power failure.
Drawings
FIG. 1 is a schematic diagram of a 10KV topological structure of a power distribution network;
fig. 2 is a flowchart of a method for determining the number of blackouts based on a topology structure of a power distribution network according to an embodiment of the present invention;
fig. 3 is a flowchart of a power outage number determination structure based on a power distribution network topology structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the detailed description and specific examples are only intended to illustrate the present invention, and should not be taken as limiting the scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a 10KV topology of a power distribution network, wherein 105 is a line, 10510, 10520 bit main lines, and 10511, 10512, 10513 and 10521, 10522 are secondary lines.
Referring to fig. 2, fig. 2 is a method for determining the number of blackouts based on a topology of a power distribution network, the method including the following steps:
s101, acquiring power failure information of a current line;
s102, obtaining a platform area of a first line segment;
s103, determining the total number of power failure times of the transformer area of the first line section according to the power failure times of the line to which the first line section belongs, all transformer areas in the first line section, the first line section and the superior line section of the first line section, which are obtained from the power failure information;
s104, obtaining a second line segment in the current line;
and S105, determining the total power failure times of the second line segment according to the second line segment, the superior line segment of the second line segment and the current line power failure times obtained from the power failure information.
Preferably, the determining the total number of blackouts of the station area of the first line segment according to the number of blackouts of the line to which the first line segment belongs, all station areas themselves in the first line segment, and the superior line segment of the first line segment, which is obtained from the blackout information, includes:
and determining the sum of the power failure times of the line to which the first line segment belongs, all the distribution areas in the first line segment, the first line segment and the superior line segment of the first line segment, which are obtained from the power failure information, as the total power failure time of the distribution areas of the first line segment.
Preferably, the power outage of the first line segment includes:
under the condition that the superior line segment of the first line segment is not powered off, the number of the power-off areas in the first line segment is not less than a first preset number, and the time difference value of the power-off start of the areas of the first preset number is not less than first preset time.
An upper line segment of the first line segment includes:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
Preferably, the determining the total number of times of power outage of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the number of times of power outage of the current line, which are obtained from the power outage information, includes:
and determining the sum of the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information as the total power failure time of the second line segment.
Those skilled in the art can understand that the information of power failure of the transformer area and power failure of the line is pushed by the system, the power failure of the line section is judged by the logic, wherein the logic judgment of the power failure of the line section comprises the following steps: the line segment power failure is that the power failure number of the distribution area under the same line segment is not less than a certain number, at least not less than 2, and the time difference when the power failure of the 2 distribution areas starts is not less than a preset time value, specifically, the preset time value can be set to be 5 minutes according to the characteristics of the power distribution network and the data acquisition condition; there can be many line segments power failure in same circuit, and the logical judgement that cuts power of many line segments includes: the line segments are contained in the same line, and the line relevance meets the parallel condition, namely under the same superior line segment, the specific line segments are at least not lower than 2, the power failure starting time difference among the line segments is not more than a certain set time value, the specific time difference can be 3 minutes, and the power failure starting time difference is related to the characteristics of the power distribution network and the data acquisition condition.
Setting all the transformer areas in a certain line segment as monitoring targets, wherein the power failure reasons of the transformer areas can be power failure of the transformer areas, power failure of the line segments to which the transformer areas belong, power failure of the superior line segments of the lines to which the transformer areas belong and power failure of the current lines; the power failure of the superior line segment of the line comprises the following steps: the line segment of the transformer area belongs to the same line compared with other line segments, the starting time difference of power failure of 2 line segments is less than 3 minutes, and the lower code of the 2 line segments becomes the superior line segment according to the logical relation of the segment codes.
Specifically, the total number of line segment power failures is the sum of the number of line segment power failures, the number of superior line segment power failures and the number of line power failures.
Illustratively, the result of manual monitoring is that the power of the large chapter li 1# station area is cut 43 times, and the monitoring result realized by adopting the method is as follows: the power failure of the large Li 1# station area is cut 43 times, wherein the power failure of a line is 1 time, the power failure of a line section is 17 times, and the power failure of the station area is 25 times.
Illustratively, the diagnosis of the line weak link can also be realized, for example, the line segment zhuxian 10520 is taken as an example, the power is cut for 6 times, the configuration of the section switch is determined according to the influence range, so that the section is unreasonable, and the influence of the power cut can be reduced by adding the switch. Whether the power failure is abnormal or not can be determined according to the power failure times of the transformer area, the line segment and the line, and if the power failure is abnormal, corresponding reasons are checked. For example, taking the zhuxian 10520 line segment in fig. 1 as an example, assuming that the number of times of blackouts of 10520 itself is 2, the number of times of blackouts of 10510 is 3, and the number of times of blackouts of 105 lines is 1, the number of times of blackouts of 10520 is: 2+3+1 ═ 6 times.
Referring to fig. 3, fig. 3 is a device for determining the number of blackouts based on the topology of the power distribution network, according to the present invention, where the device may include:
an obtaining module 201, configured to obtain power failure information of a current line;
a first obtaining module 202, configured to obtain a region of a first line segment;
a first determining module 203, configured to determine, according to the power outage times of the line to which the first line segment belongs, all the distribution areas themselves in the first line segment, and a superior line segment of the first line segment, the total power outage times of the distribution areas of the first line segment;
a second obtaining module 204, configured to obtain a second line segment in the current line;
a second determining module 205, configured to determine the total number of times of power outage of the second line segment according to the second line segment obtained from the power outage information, the superior line segment of the second line segment, and the number of times of power outage of the current line.
Preferably, the first determining module 203 is specifically configured to:
and determining the sum of the power failure times of the line to which the first line segment belongs, all the distribution areas in the first line segment, the first line segment and the superior line segment of the first line segment, which are obtained from the power failure information, as the total power failure time of the distribution areas of the first line segment.
Preferably, the superior segment of the first segment includes:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
Preferably, the superior segment of the first segment includes:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
Preferably, the second determining module 205 is specifically configured to:
and determining the sum of the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information as the total power failure time of the second line segment.
Compared with the prior art, the method and the device for determining the power failure times based on the topological structure of the power distribution network, disclosed by the invention, can be used for determining the power failure times of the distribution network and the lines, so that the power failure condition and the position of the power distribution network are accurately positioned; and associating the power failure information of the line, the line segment, the superior line segment and the distribution area to realize accurate management of power failure of the power distribution network.
According to the method and the device for determining the power failure times based on the topological structure of the power distribution network, the daily manual monitoring is changed into automatic perspective through a tool, and more comprehensive and accurate detection is realized. By manual monitoring: the power failure of the Li field line 107 is 1 time in the half year, and the power failure of the large Li 1# platform area is 43 times. Through the method and the device for determining the power failure times based on the topological structure of the power distribution network, the littlefield line 107 line has power failure for 1 time; 10710 power cut 4 times especially; the power is cut off for 3 times; 10720 power failures are particularly collected for 20 times, wherein the power failure of the line is 1 time, the power failure of the superior line segment is 3 times, and the self-stop is 16 times; the large chapter plum 1# station area has power failure for 43 times, wherein the line has power failure for 1 time, the line segment has power failure for 17 times, and the line segment has power failure for 25 times.
In summary, the method and the device for determining the number of power failures based on the power distribution network topology structure provided by the present disclosure implement accurate positioning of the power failure condition and position through the power failure determination logic; the power failure early warning and power failure position analysis of the power distribution network power failure are realized by associating power failure information of the line, the line segment, the superior line segment and the distribution area.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A power failure frequency determination method based on a power distribution network topological structure is characterized by comprising the following steps:
acquiring power failure information of a current line;
obtaining a platform area of a first line segment;
determining the total number of power failure times of the transformer area of the first line section according to the power failure times of the line to which the first line section belongs, all transformer areas in the first line section, the first line section and the superior line section of the first line section, which are obtained from the power failure information; the upper-level line segment of the first line segment is all lines at the front end of the first line segment;
obtaining a second line segment in the current line; the second line segment is positioned behind the first line segment and is electrically connected with the first line segment;
determining the total power failure times of the second line segment according to the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information; the upper-level line segment of the second line segment is all lines at the front end of the second line segment and comprises a first line segment;
setting all the transformer areas in the line sections as monitoring targets, wherein the power failure reasons of the transformer areas are selected from power failure of the transformer areas, power failure of the line sections to which the transformer areas belong, power failure of the superior line sections of the lines to which the transformer areas belong and power failure of the current lines; the power failure of the superior line segment of the line comprises the following steps: the line segment of the transformer area belongs to the same line compared with other line segments, the starting time difference of power failure of 2 line segments is less than 3 minutes, and the lower code of the 2 line segments becomes the superior line segment according to the logical relation of the segment codes.
2. The method for determining the number of blackouts based on the power distribution network topology according to claim 1, wherein the determining the total number of blackouts of the station area of the first line segment based on the number of blackouts of the line to which the first line segment belongs, all station areas themselves in the first line segment, and the upper line segment of the first line segment, which are obtained from the blackout information, includes:
and determining the sum of the power failure times of the line to which the first line segment belongs, all the distribution areas in the first line segment, the first line segment and the superior line segment of the first line segment, which are obtained from the power failure information, as the total power failure time of the distribution areas of the first line segment.
3. The method for determining the number of blackouts based on the topology of the power distribution network according to claim 2, wherein the blackout of the first line segment includes:
under the condition that the superior line segment of the first line segment is not powered off, the number of the power-off areas in the first line segment is not less than a first preset number, and the time difference value of the power-off start of the areas of the first preset number is not less than first preset time.
4. The method for determining the number of blackouts based on the topology of the power distribution network as claimed in claim 1, wherein the upper segment of the first segment comprises:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
5. The method for determining the number of blackouts based on the power distribution network topology according to claim 1, wherein determining the total number of blackouts of the second line segment based on the number of blackouts of the second line segment itself, the upper line segment of the second line segment, and the current line blackouts obtained from the blackout information includes:
and determining the sum of the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information as the total power failure time of the second line segment.
6. A power outage number determination device based on a power distribution network topology structure is characterized by comprising:
the acquisition module is used for acquiring the power failure information of the current line;
the first obtaining module is used for obtaining a platform area of the first line segment;
the first determining module is used for determining the total number of power failure times of the transformer area of the first line section according to the power failure times of the line to which the first line section belongs, all transformer areas in the first line section, the first line section and the superior line section of the first line section, which are obtained from the power failure information; the upper-level line segment of the first line segment is all lines at the front end of the first line segment;
a second obtaining module, configured to obtain a second line segment in the current line; the second line segment is positioned behind the first line segment and is electrically connected with the first line segment; the superior line segment of the second line segment is all lines at the front end of the second line segment and comprises a first line segment,
the second determining module is used for determining the total power failure times of the second line segment according to the second line segment, the superior line segment of the second line segment and the current line power failure times obtained from the power failure information;
setting all the transformer areas in the line segments as monitoring targets, wherein the power failure reasons of the transformer areas are selected from the power failure of the transformer areas, the power failure of the line segments to which the transformer areas belong, the power failure of the superior line segments of the lines to which the transformer areas belong and the power failure of the current lines; the power failure of the superior line segment of the line comprises the following steps: the line segment of the transformer area belongs to the same line compared with other line segments, the starting time difference of power failure of 2 line segments is less than 3 minutes, and the lower code of the 2 line segments becomes the superior line segment according to the logical relation of the segment codes.
7. The power outage number determination device based on the power distribution network topology structure as claimed in claim 6, wherein the first determination module is specifically configured to:
and determining the sum of the power failure times of the line to which the first line segment belongs, all the distribution areas in the first line segment, the first line segment and the superior line segment of the first line segment, which are obtained from the power failure information, as the total power failure time of the distribution areas of the first line segment.
8. The power outage rate determination device based on the power distribution network topology according to claim 7, wherein the power outage of the first line segment includes:
under the condition that the superior line segment of the first line segment is not powered off, the number of the power-off areas in the first line segment is not less than a first preset number, and the time difference value of the power-off start of the areas of the first preset number is not less than first preset time.
9. The power outage number determination device based on the power distribution network topology according to claim 6, wherein the superior line segment of the first line segment includes:
and the difference value between the power failure starting time of the first line segment and the power failure starting time of the first line segment is smaller than a preset value.
10. The power outage number determination device based on the power distribution network topology structure as claimed in claim 6, wherein the second determination module is specifically configured to:
and determining the sum of the power failure times of the second line segment, the superior line segment of the second line segment and the current line obtained from the power failure information as the total power failure time of the second line segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057075.9A CN106451442B (en) | 2016-11-26 | 2016-11-26 | Power failure frequency determination method based on power distribution network topological structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057075.9A CN106451442B (en) | 2016-11-26 | 2016-11-26 | Power failure frequency determination method based on power distribution network topological structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451442A CN106451442A (en) | 2017-02-22 |
| CN106451442B true CN106451442B (en) | 2020-06-26 |
Family
ID=58218812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057075.9A Active CN106451442B (en) | 2016-11-26 | 2016-11-26 | Power failure frequency determination method based on power distribution network topological structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451442B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166203A (en) * | 2011-12-14 | 2013-06-19 | 南京南瑞继保电气有限公司 | Distribution network topology guard method with direction |
| CN104239997A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Method for analyzing power failure range of power distribution network |
| CN104375055B (en) * | 2013-08-15 | 2017-05-17 | 通用电气公司 | Fault locating device and method of power distribution network |
| CN203870191U (en) * | 2014-05-05 | 2014-10-08 | 国电南瑞科技股份有限公司 | Low-voltage line fault locating terminal of power distribution area |
| CN105467276B (en) * | 2016-01-13 | 2018-09-21 | 国网浙江省电力公司 | A kind of line fault monitoring method and system |
-
2016
- 2016-11-26 CN CN201611057075.9A patent/CN106451442B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451442A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110658415B (en) | Low-voltage distribution line fault detection method and system | |
| CN103701212B (en) | A kind of method for monitoring and analyzing for safety and stability control device of electric network and system | |
| CN107167704B (en) | Power distribution network fault diagnosis system and method based on CIM model | |
| CN104410067A (en) | Zone area power failure analyzing method based on common transformer and analysis of big data acquired by users | |
| CN104020754A (en) | Method for enabling state monitoring information of transformer station primary main equipment to access to regulation and control system | |
| CN105069697A (en) | Intelligent transformer station maintenance strategy automatic identification system and method | |
| CN105467276A (en) | Line fault monitoring method and system | |
| CN107742925B (en) | Transformer substation hard pressing plate inspection method based on three-level network | |
| CN110083640A (en) | A kind of recognition methods of platform area and device based on power failure data | |
| CN105353753A (en) | Protection motion behavior intelligent analysis method based on multisource wave recording files | |
| CN110556920A (en) | Distribution automation monitoring method, system, terminal and storage medium | |
| CN105958639A (en) | Commercial power and diesel engine power generation type judgment method and judgment equipment therefor | |
| CN105067959A (en) | Fault positioning method under ring network power supply condition | |
| CN108596450B (en) | Power grid risk early warning method and system | |
| CN110412421A (en) | A kind of method and system of intelligent fault analysis and positioning | |
| CN106998563B (en) | Indoor distribution system early warning method and device based on network performance | |
| CN103825271A (en) | PLC (Programmable Logic Control) method for smart grid | |
| CN106451442B (en) | Power failure frequency determination method based on power distribution network topological structure | |
| CN104201766A (en) | Power supply point tracing based backup automatic switch time sequence and combination determining method | |
| CN104331849A (en) | Electrical power system risk ranking method and application | |
| CN201946087U (en) | Device for avoiding mistaken or failing removal of ground wires | |
| CN105652119A (en) | Method, device and system for acquiring fault information | |
| CN105184657A (en) | Power supply risk assessment method and system for power system | |
| CN104700318A (en) | Method for identifying weak link of power distribution network based on equipment power flow topology | |
| CN106208042B (en) | Power distribution network outage information sharing method based on battalion's auxiliary tone fusion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 118, Huaihai Middle Road, Yongqiao District, Suzhou City, Anhui Province Patentee after: SUZHOU POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER Co.,Ltd. Patentee after: State Grid Corporation of China Address before: No. 118, Huaihai Middle Road, Yongqiao District, Suzhou City, Anhui Province Patentee before: SUZHOU POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER Co. Patentee before: State Grid Corporation of China |