CN108512223B - Intelligent auxiliary studying and judging method for switching tripping of substation in power transmission and transformation operation and detection control platform - Google Patents
Intelligent auxiliary studying and judging method for switching tripping of substation in power transmission and transformation operation and detection control platform Download PDFInfo
- Publication number
- CN108512223B CN108512223B CN201810321620.3A CN201810321620A CN108512223B CN 108512223 B CN108512223 B CN 108512223B CN 201810321620 A CN201810321620 A CN 201810321620A CN 108512223 B CN108512223 B CN 108512223B
- Authority
- CN
- China
- Prior art keywords
- fault
- substation
- switch
- transformer substation
- tripping
- 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
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or 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
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent auxiliary judging method for the tripping operation of a substation switch in a power transmission and transformation operation inspection management and control platform, wherein when the switch is tripped, a system automatically presents information such as a primary wiring diagram, the fault occurrence time, a fault tripping switch, fault warning information, a fault interval light character board, a fault recording diagram, a substation video, an operation and maintenance team, a telephone and a current worker to which the fault occurrence substation belongs within 10 minutes before and after a fault time period, of the tripped substation and the substation on the opposite side. The method comprises the steps of measuring distance through a power transformation fault recorder, positioning thunder and lightning, measuring the distance through distributed faults and the like, and accurately positioning the line coordinates to the specific tower position. And by combining the fault information pushing function, a support is provided for finding fault points on site. The method is convenient for the on-duty personnel to carry out fault analysis, and effectively improves the working efficiency.
Description
Technical Field
The invention belongs to the field of electric power, and relates to an intelligent auxiliary studying and judging method for tripping of a transformer substation switch in a transmission and transformation operation inspection control platform.
Background
The quick acquisition of the relevant information of the fault is the premise that the operator on duty can process the fault in time. Currently, when a substation trips, a person on duty needs to search for relevant information in multiple systems, for example, check alarm information, a light word board and a primary wiring diagram in D5000, check a recording diagram in a fault recording system, and check ledger information in PMS 2.0. The existing mode has low automation degree and is relatively complex. By adding the intelligent auxiliary studying and judging method into the management and control system, the team personnel can be timely reminded to know the fault tripping information of the circuit breaker, so that the time for manually looking up related information is reduced, and the duty personnel can more timely perform corresponding processing on the fault, thereby improving the timeliness of fault tripping processing.
Disclosure of Invention
The invention aims to solve the problems that when tripping occurs, operators on duty need to acquire related information from a plurality of systems, and the automation degree of fault auxiliary study and judgment is not high. The method comprises the steps of measuring distance through a power transformation fault recorder, positioning thunder and lightning, measuring the distance through distributed faults and the like, and accurately positioning the line coordinates to the specific tower position. And by combining the fault information pushing function, a support is provided for finding fault points on site.
The purpose of the invention is realized by the following technical scheme:
an intelligent auxiliary studying and judging method for tripping of a transformer substation switch in a transmission and transformation operation inspection and control platform is characterized by comprising the following steps:
1) when a transformer substation has switch tripping, acquiring the name and interval ID of the transformer substation where a tripping switch in a D5000 system is located; and simultaneously analyzing the alarm content to obtain the four-bit number of the switch and the voltage level of the switch.
The format of the fault trip alarm content in the D5000 is 'transformer station name' + '/' + 'voltage level' + 'switch number' + 'switch'. The system automatically intercepts the front four-digit number of the 'switch' (the switches of 220kV and above are all four-digit codes) as the line running number.
2) And acquiring a related line according to the switch number, and acquiring an opposite side transformer substation of the transformer substation where the trip switch is located according to the initial and final power stations of the line. And acquiring primary wiring diagrams of the substation and the opposite side substation according to the names of the substations.
3) And acquiring the light character plate of the interval according to the interval ID, inquiring the unreturned information table, and setting the corresponding light character plate to be in an alarm state if an action signal exists.
And the system monitors alarm information in real time. If the alarm type is found to be the action information, adding the unreturned information table, and updating the state of the light character plate to be the action. And matching with the alarm information according to the station ID and the remote signaling ID of the alarm information. If the alarm information of the remote signaling ID is found and the type is reset, deleting the action alarm information from the non-reset table, and updating the state of the optical character plate to be reset.
4) And carrying out fuzzy matching in the fault recording system according to the name of the transformer substation, filtering all fault recording records of the same day according to the tripping time of the switch, and arranging the fault recording records in a reverse order according to the fault occurrence time. And automatically displaying the fault recording graph with the latest occurrence time by default.
The oscillogram needs to be viewed with a Chrome browser and needs to be presented at a specified location. Because the Chrome browser cannot specify the position in the Flex, the C # development plug-in is used for calling the Chrome browser to view the recording graph, and the Flex specifies the display position and the size of the plug-in.
5) And carrying out fuzzy matching in the transformer substation name and ID mapping relation table according to the transformer substation name, acquiring ID information of the transformer substation in a PMS2.0 system and a transformer substation video system, and displaying a transformer substation ledger and in-station videos according to the ID.
6) And inquiring lightning falling data within one hour before and after the time by calling a WebService interface of the lightning system according to the coordinates of the line tower and the switch trip-out time.
The calculation method is as follows:
i. searching coordinates of all towers under the line in the PMS;
ii. The longitude (x) and the latitude (y) are sorted, and two points of the maximum value and the minimum value of the longitude and the latitude are taken, namely (x)min,ymin)，(xmax,ymax) As the area to which the line belongs;
iii, determining a query time range, namely [ (t) one hour before and after the fault trip time (t)Fault of-1)，(tFault of+1)]；
iv, calling a WebService interface, wherein the input parameters are as follows: the area of the line and the query time range.
7) And according to the fault recording record selected by the user, if the main station ranging data exists, calculating the position of a fault point in the line through the tower span and the main station ranging data.
The fault position calculation steps are as follows:
i. searching a starting substation and an end substation of the line in the PMS;
ii. If the substation where the fault recording record is located is a line initial substation, the distance is calculated from a small-size tower, and the calculation logic is as follows: the sum of the gear distances is obtained,
and judging siWhether greater than master range sMeasuringIf s isi>sMeasuringIf the fault point is between the i-1 pole tower and the i-number pole tower, the fault positioning information is as follows: the fault point is between the ith-1 pole tower and the ith pole tower, and the distance from the ith-1 pole tower is as follows: sMeasuring-si-1。
And iii, if the transformer substation where the fault recording record is located is the line terminal transformer substation, calculating the distance from the large-size tower, wherein the calculation logic is as follows: the sum of the gear distances is obtained,
and judges the distance measurement s of the master stationMeasuringWhether or not less than si. If sMeasuring<siIf the fault point is between the ith tower and the i +1 th tower, the fault positioning information is as follows: the fault point is between the ith and i +1 th towers, and the distance from the ith tower is as follows:si-smeasuring。
According to the invention, by associating the D5000 system, the fault recording system, the transformer substation video system, the PMS2.0 system and the lightning system, when the transformer substation switch is tripped, a transformer substation primary wiring diagram, a fault recording diagram, alarm information 5 minutes before and after the switch is tripped, light word board information, transformer substation video, fault position information, transformer substation account information and lightning stroke point information are automatically provided. The system provides support for finding fault points on site, facilitates on-duty personnel to carry out fault analysis, and effectively improves the working efficiency.
Drawings
FIG. 1 is a general flow diagram of the present invention.
Detailed Description
An intelligent auxiliary studying and judging method for tripping of a transformer substation switch in a transmission and transformation operation inspection and control platform is shown in figure 1, and comprises the following specific steps:
1) when a transformer substation has switch tripping, acquiring the name and interval ID of the transformer substation where a tripping switch in a D5000 system is located; and simultaneously analyzing the alarm content to obtain the four-bit number of the switch and the voltage level of the switch.
The format of the fault trip alarm content in the D5000 is 'transformer station name' + '/' + 'voltage level' + 'switch number' + 'switch'. The system automatically intercepts the front four-digit number of the 'switch' (the switches of 220kV and above are all four-digit codes) as the line running number.
2) And acquiring a related line according to the switch number, and acquiring an opposite side transformer substation of the transformer substation where the trip switch is located according to the initial and final power stations of the line. And acquiring primary wiring diagrams of the substation and the opposite side substation according to the names of the substations.
3) And acquiring the light character plate of the interval according to the interval ID, inquiring the unreturned information table, and setting the corresponding light character plate to be in an alarm state if an action signal exists.
And the system monitors alarm information in real time. If the alarm type is found to be the action information, adding the unreturned information table, and updating the state of the light character plate to be the action. And matching with the alarm information according to the station ID and the remote signaling ID of the alarm information. If the alarm information of the remote signaling ID is found and the type is reset, deleting the action alarm information from the non-reset table, and updating the state of the optical character plate to be reset.
4) And carrying out fuzzy matching in the fault recording system according to the name of the transformer substation, filtering all fault recording records of the same day according to the tripping time of the switch, and arranging the fault recording records in a reverse order according to the fault occurrence time. And automatically displaying the fault recording graph with the latest occurrence time by default.
The oscillogram needs to be viewed with a Chrome browser and needs to be presented at a specified location. Because the Chrome browser cannot specify the position in the Flex, the C # development plug-in is used for calling the Chrome browser to view the recording graph, and the Flex specifies the display position and the size of the plug-in.
5) And carrying out fuzzy matching in the transformer substation name and ID mapping relation table according to the transformer substation name, acquiring ID information of the transformer substation in a PMS2.0 system and a transformer substation video system, and displaying a transformer substation ledger and in-station videos according to the ID.
6) And inquiring lightning falling data within one hour before and after the time by calling a WebService interface of the lightning system according to the coordinates of the line tower and the switch trip-out time.
The calculation method is as follows:
i. searching coordinates of all towers under the line in the PMS;
ii. The longitude (x) and the latitude (y) are sorted, and two points of the maximum value and the minimum value of the longitude and the latitude are taken, namely (x)min,ymin)，(xmax,ymax) As the area to which the line belongs;
iii, determining a query time range, namely [ (t) one hour before and after the fault trip time (t)Fault of-1)，(tFault of+1)]；
iv, calling a WebService interface, wherein the input parameters are as follows: the area of the line and the query time range.
7) And according to the fault recording record selected by the user, if the main station ranging data exists, calculating the position of a fault point in the line through the tower span and the main station ranging data.
The fault position calculation steps are as follows:
i. searching a starting substation and an end substation of the line in the PMS;
ii. If the substation where the fault recording record is located is a line initial substation, the distance is calculated from a small-size tower, and the calculation logic is as follows: the sum of the gear distances is obtained,
and judging siWhether greater than master range sMeasuringIf s isi>sMeasuringIf the fault point is between the i-1 pole tower and the i-number pole tower, the fault positioning information is as follows: the fault point is between the ith-1 pole tower and the ith pole tower, and the distance from the ith-1 pole tower is as follows: sMeasuring-si-1。
According to the invention, by adding the intelligent auxiliary study and judgment method into the management and control system, the team personnel are timely reminded to know the fault trip information of the circuit breaker, so that the time for manually looking up the relevant information is reduced, and the on-duty personnel can perform corresponding treatment on the fault more timely, thereby improving the timeliness of fault trip treatment.
Claims (6)
1. An intelligent auxiliary studying and judging method for tripping of a transformer substation switch in a transmission and transformation operation inspection and control platform is characterized by comprising the following steps:
1) when a transformer substation has switch tripping, acquiring the name and interval ID of the transformer substation where a tripping switch in a D5000 system is located; simultaneously analyzing the alarm content to obtain a switch four-digit number and a switch voltage grade;
2) acquiring a related line according to the switch number, and acquiring a substation opposite to the substation where the trip switch is located according to the initial and final power stations of the line; acquiring primary wiring diagrams of the substation and the opposite side substation according to the names of the substations;
3) acquiring the light character plate of the interval according to the interval ID, inquiring an unrecovered information table, and setting the corresponding light character plate to be in an alarm state if an action signal exists;
4) carrying out fuzzy matching in a fault recording system according to the name of the transformer substation, filtering all fault recording records of the same day according to the tripping time of a switch, and arranging the fault recording records in a reverse order according to the fault occurrence time; automatically displaying a fault recording graph with the latest occurrence time by default;
5) according to the name of the transformer substation, carrying out fuzzy matching in a transformer substation name and ID mapping relation table to obtain ID information of the transformer substation in a PMS2.0 system and a transformer substation video system, and displaying a transformer substation ledger and an in-station video according to the ID;
6) according to the coordinates of the line tower and the switch trip-out time, inquiring lightning data within one hour before and after the time by calling a WebService interface of a lightning system;
7) and according to the fault recording record selected by the user, if the main station ranging data exists, calculating the position of a fault point in the line through the tower span and the main station ranging data.
2. The intelligent auxiliary studying and judging method for substation switch tripping in the transmission and transformation operation and control platform according to claim 1, is characterized in that: in the step 1), the format of the fault trip alarm content in the D5000 is 'transformer substation name' + '/' + 'voltage level' + 'switch number' + 'switch'; the system automatically intercepts the four front serial numbers of the 'switch' as the line running serial numbers.
3. The intelligent auxiliary studying and judging method for substation switch tripping in the transmission and transformation operation and control platform according to claim 1, is characterized in that: in step 3), the system monitors alarm information in real time; if the alarm type is found to be the information of the action, adding an unrecovered information table, and updating the state of the light character plate to be the action; matching with the alarm information according to the station ID and the remote signaling ID of the alarm information; if the alarm information of the remote signaling ID is found and the type is reset, deleting the action alarm information from the non-reset table, and updating the state of the optical character plate to be reset.
4. The intelligent auxiliary studying and judging method for substation switch tripping in the transmission and transformation operation and control platform according to claim 1, is characterized in that: in the step 4), the oscillograph is checked by a Chrome browser and displayed at a specified position; because the Chrome browser cannot specify the position in the Flex, the C # development plug-in is used for calling the Chrome browser to view the recording graph, and the Flex specifies the display position and the size of the plug-in.
5. The intelligent auxiliary studying and judging method for substation switch tripping in the transmission and transformation operation and control platform according to claim 1, is characterized in that: in step 6), the calculation method is as follows:
i. searching coordinates of all towers under the line in the PMS;
ii. The longitude (x) and the latitude (y) are sorted, and two points of the maximum value and the minimum value of the longitude and the latitude are taken, namely (x)min,ymin)，(xmax,ymax) As the area to which the line belongs;
iii, determining a query time range, namely [ (t) one hour before and after the fault trip time (t)Fault of-1)，(tFault of+1)]；
iv, calling a WebService interface, wherein the input parameters are as follows: the area of the line and the query time range.
6. The intelligent auxiliary studying and judging method for substation switch tripping in the transmission and transformation operation and control platform according to claim 1, is characterized in that: in step 7), the fault position calculation step is as follows:
i. searching a starting substation and an end substation of the line in the PMS;
ii. If the substation where the fault recording record is located is a line initial substation, the distance is calculated from a small-size tower, and the calculation logic is as follows: the sum of the gear distances is obtained,
and judging siWhether greater than master range sMeasuringIf s isi>sMeasuringIf the fault point is between the i-1 pole tower and the i-number pole tower, the fault positioning information is as follows: the fault point is between the ith-1 pole tower and the ith pole tower, and the distance from the ith-1 pole tower is as follows: sMeasuring-si-1；
And iii, if the transformer substation where the fault recording record is located is the line terminal transformer substation, calculating from the large-size towerThe distance, the calculation logic is: the sum of the gear distances is obtained,
and judges the distance measurement s of the master stationMeasuringWhether or not less than si(ii) a If sMeasuring<siIf the fault point is between the ith tower and the i +1 th tower, the fault positioning information is as follows: the fault point is between the ith and i +1 th towers, and the distance from the ith tower is as follows: si-sMeasuring。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321620.3A CN108512223B (en) | 2018-04-11 | 2018-04-11 | Intelligent auxiliary studying and judging method for switching tripping of substation in power transmission and transformation operation and detection control platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321620.3A CN108512223B (en) | 2018-04-11 | 2018-04-11 | Intelligent auxiliary studying and judging method for switching tripping of substation in power transmission and transformation operation and detection control platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108512223A CN108512223A (en) | 2018-09-07 |
| CN108512223B true CN108512223B (en) | 2020-07-03 |
Family
ID=63381571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321620.3A Active CN108512223B (en) | 2018-04-11 | 2018-04-11 | Intelligent auxiliary studying and judging method for switching tripping of substation in power transmission and transformation operation and detection control platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108512223B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308527A (en) * | 2018-09-12 | 2019-02-05 | 广东电网有限责任公司 | The quick reporting system of substation's trip accident information and its quick report method of information |
| CN111624443A (en) * | 2020-07-20 | 2020-09-04 | 国网山东省电力公司鄄城县供电公司 | Distribution network line fault positioning method and device |
| CN112130028A (en) * | 2020-09-29 | 2020-12-25 | 南京南瑞继保电气有限公司 | Method for quickly positioning fault point and automatically generating plan |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035260A (en) * | 2010-12-17 | 2011-04-27 | 国电南瑞科技股份有限公司 | Intelligent warning and fault analysis realizing method for intelligent transformer substation monitoring system |
| CN103516054A (en) * | 2011-12-04 | 2014-01-15 | 江苏省电力公司南京供电公司 | Power distribution and utilization network fault automatic processing method |
| CN103837796A (en) * | 2014-03-12 | 2014-06-04 | 国家电网公司 | Transmission line malfunction visualized report method and system based on Web and GIS |
| CN103869219A (en) * | 2012-12-14 | 2014-06-18 | 国家电网公司 | Fault handling method and device for power transmission network |
| JP2014196911A (en) * | 2013-03-29 | 2014-10-16 | 東日本旅客鉄道株式会社 | Fault point orientation system and method for dc electric railroad feeding circuit |
| CN105207121A (en) * | 2015-09-23 | 2015-12-30 | 国家电网公司 | Power distribution network fault emergency maintenance method based on topology analysis |
| CN105203926A (en) * | 2015-10-16 | 2015-12-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Method for improving fault location accuracy of extra-high-voltage DC transmission line |
| CN105277851A (en) * | 2015-10-16 | 2016-01-27 | 国网甘肃省电力公司天水供电公司 | Distribution network fault judgment searching and positioning system |
| RU2603331C2 (en) * | 2013-11-07 | 2016-11-27 | Юрий Вячеславович Ивлиев | Method of locating short circuit and damage to dc and ac overhead contact system and device therefor |
| CN106877509A (en) * | 2017-03-31 | 2017-06-20 | 国家电网公司 | Distribution line failure is studied and judged and alert analysis method |
| CN107332347A (en) * | 2017-08-10 | 2017-11-07 | 嘉兴恒创电力设计研究院有限公司 | Intelligent substation secondary intelligence Computer Aided Design platform |
-
2018
- 2018-04-11 CN CN201810321620.3A patent/CN108512223B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035260A (en) * | 2010-12-17 | 2011-04-27 | 国电南瑞科技股份有限公司 | Intelligent warning and fault analysis realizing method for intelligent transformer substation monitoring system |
| CN103516054A (en) * | 2011-12-04 | 2014-01-15 | 江苏省电力公司南京供电公司 | Power distribution and utilization network fault automatic processing method |
| CN103869219A (en) * | 2012-12-14 | 2014-06-18 | 国家电网公司 | Fault handling method and device for power transmission network |
| JP2014196911A (en) * | 2013-03-29 | 2014-10-16 | 東日本旅客鉄道株式会社 | Fault point orientation system and method for dc electric railroad feeding circuit |
| RU2603331C2 (en) * | 2013-11-07 | 2016-11-27 | Юрий Вячеславович Ивлиев | Method of locating short circuit and damage to dc and ac overhead contact system and device therefor |
| CN103837796A (en) * | 2014-03-12 | 2014-06-04 | 国家电网公司 | Transmission line malfunction visualized report method and system based on Web and GIS |
| CN105207121A (en) * | 2015-09-23 | 2015-12-30 | 国家电网公司 | Power distribution network fault emergency maintenance method based on topology analysis |
| CN105203926A (en) * | 2015-10-16 | 2015-12-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Method for improving fault location accuracy of extra-high-voltage DC transmission line |
| CN105277851A (en) * | 2015-10-16 | 2016-01-27 | 国网甘肃省电力公司天水供电公司 | Distribution network fault judgment searching and positioning system |
| CN106877509A (en) * | 2017-03-31 | 2017-06-20 | 国家电网公司 | Distribution line failure is studied and judged and alert analysis method |
| CN107332347A (en) * | 2017-08-10 | 2017-11-07 | 嘉兴恒创电力设计研究院有限公司 | Intelligent substation secondary intelligence Computer Aided Design platform |
Non-Patent Citations (2)
| Title |
|---|
| The Impact Analysis of Current Transformer"s Saturation to Relay Protection;Ningting xu et al.;《20 14 China International Conference on Electricity Distribution (CICED 2014) 》;20140926;第1-4页 * |
| 一起220kV变电站线路开关事故跳闸分析;蒋斌;《安全用电》;20130331;第36-37页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108512223A (en) | 2018-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103941158B (en) | Power distribution network fault diagnosis method based on multi-source information | |
| CN108512223B (en) | Intelligent auxiliary studying and judging method for switching tripping of substation in power transmission and transformation operation and detection control platform | |
| CN108074021A (en) | A kind of power distribution network Risk Identification system and method | |
| CN103679559A (en) | Visual grid system and fault identification method thereof | |
| CN112763846B (en) | Distribution line intelligent power failure judgment method based on multi-data source information fusion | |
| CN104104151B (en) | The cut-in method of distribution terminal facility information | |
| CN112749813B (en) | Data processing system, method, electronic equipment and storage medium | |
| CN106208368B (en) | A kind of Transformer Faults Analysis system and method based on dispatching comprehensive data platform | |
| CN103728511A (en) | High-voltage direct-current transmission grounding grid state online monitoring system and monitoring method | |
| CN112467724A (en) | Low-voltage distribution network fault studying and judging method | |
| CN109962527B (en) | Power distribution terminal fault recording system | |
| CN105245001A (en) | Event-driven intelligent alarm processing method and device for transformer station accidents | |
| CN116169778A (en) | Processing method and system based on power distribution network anomaly analysis | |
| CN110165674B (en) | Active filter safety management system | |
| CN112766636B (en) | Distribution transformer power failure judgment method based on electric quantity information acquired by power consumption information acquisition terminal | |
| CN110412421A (en) | Method and system for intelligently analyzing and positioning faults | |
| CN114398862A (en) | Remote point table maintenance method based on terminal debugging device | |
| CN112363025A (en) | Power distribution network single-phase earth fault diagnosis method and system | |
| CN219421048U (en) | Industrial equipment dynamic monitoring system based on cloud platform | |
| CN115761215B (en) | Isolation switch monitoring method considering object surface roughness | |
| CN111062825A (en) | Low-voltage fault diagnosis and rapid power restoration method based on mobile App | |
| CN116566043A (en) | Power distribution terminal monitoring system and monitoring method | |
| CN207473653U (en) | Evaluation system for operation and maintenance performance of transformer substation | |
| CN114594343A (en) | Intelligent multifunctional on-line monitoring series device for distribution line and control method thereof | |
| CN205647036U (en) | Electric power distribution network distribution equipment fault monitoring system |
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 | ||
| CB02 | Change of applicant information |
Address after: 210024 civil defense building, No. 189, Guangzhou Road, Gulou District, Nanjing, Jiangsu Applicant after: Jiangsu Electric Power Information Technology Co., Ltd. Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co. Address before: 210024 civil defense building, No. 189, Guangzhou Road, Gulou District, Nanjing, Jiangsu Applicant before: Jiangsu Electric Power Information Technology Co., Ltd. Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |