CN113567720B - Beidou-based serial direct current half-wave electricity stealing behavior detection method and system - Google Patents
Beidou-based serial direct current half-wave electricity stealing behavior detection method and system Download PDFInfo
- Publication number
- CN113567720B CN113567720B CN202110686135.8A CN202110686135A CN113567720B CN 113567720 B CN113567720 B CN 113567720B CN 202110686135 A CN202110686135 A CN 202110686135A CN 113567720 B CN113567720 B CN 113567720B
- Authority
- CN
- China
- Prior art keywords
- direct current
- wave electricity
- beidou
- electricity stealing
- stealing behavior
- 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
- 230000005611 electricity Effects 0.000 title claims abstract description 50
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 230000002159 abnormal effect Effects 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000006399 behavior Effects 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application discloses a Beidou-based serial direct current half-wave electricity larceny behavior detection method and system, comprising the following steps: acquiring load current of a user side in an abnormal line based on a Beidou short message communication mode; carrying out harmonic content analysis on the load current to obtain a direct current component value; judging whether the direct current injection quantity is abnormal or not according to the direct current component value, so as to obtain a serial direct current half-wave electricity stealing behavior judgment result. By analyzing and comparing harmonic components of the current of the power utilization loop, whether direct current injection exists or not can be timely found and confirmed.
Description
Technical Field
The application relates to the technical field of electricity monitoring, in particular to a Beidou-based serial direct current half-wave electricity stealing behavior detection method and system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the process of providing power service for a power system, the problem that the power consumption and the actual consumption are inconsistent often occurs, which is caused by the loss of a transformer and a circuit on one hand and the electricity stealing on the other hand. At present, the serial half-wave electricity larceny is mostly seen for low-power low-voltage users. A half-wave rectifying circuit is added on the rear load side of the electric energy meter by a user, sinusoidal wave current in a power supply circuit is converted into half-wave current, and a direct current component in a half-wave signal enables a current transformer iron core to be saturated, so that measurement is out of alignment, and the purpose of electricity stealing is achieved.
In the current anti-electricity-theft measures, common are anti-electricity-theft measures for components, such as perfecting seal of a meter, a metering cabinet and a meter tail, additionally installing an anti-electricity-theft cap on a low-voltage sleeve of a transformer, adopting an anti-electricity-theft meter box, replacing a low-voltage line with an insulated wire or cable, closing a low-voltage outgoing line of the transformer and the like.
However, the traditional anti-electricity-theft checking mode does not have universality and network global property, can not comprehensively and accurately identify electricity-theft behaviors, can not accurately locate electricity-theft users, and has lower accuracy and efficiency of electricity-theft work. Moreover, many suspected electricity larceny users who are far away and difficult to steal are faced with no effective anti-electricity larceny equipment, and the effective anti-electricity larceny work is difficult to develop.
Disclosure of Invention
In order to solve the problems, the application provides a Beidou-based serial direct current half-wave electricity stealing behavior detection method and system, and the situation of whether direct current injection exists in a circuit can be timely found by analyzing and comparing harmonic components of current of an electricity utilization loop.
In order to achieve the above purpose, the present application adopts the following technical scheme:
in a first aspect, the application provides a Beidou-based serial direct current half-wave electricity stealing behavior detection method, which comprises the following steps:
acquiring load current of a user side in an abnormal line based on a Beidou short message communication mode;
carrying out harmonic content analysis on the load current to obtain a direct current component value;
judging whether the direct current injection quantity is abnormal or not according to the direct current component value, so as to obtain a serial direct current half-wave electricity stealing behavior judgment result.
As an alternative embodiment, the abnormal line is determined by the line loss of the line.
Alternatively, the abnormal line is determined according to the comparison of the line loss amount of the line with the contemporaneous line loss rate and the average value of the line loss.
Alternatively, when the line loss exceeds the contemporaneous line loss rate and exceeds the line loss average value, the abnormal line is determined.
In an alternative embodiment, the determining whether the dc injection amount is abnormal includes: if the DC component value exceeds the preset DC injection threshold value, the DC injection quantity is abnormal, and an alarm signal is sent out.
As an alternative implementation manner, after the serial direct current half-wave electricity larceny behavior judgment result is obtained, an alarm signal is sent to the early warning master station through the Beidou short message communication mode according to the serial direct current half-wave electricity larceny behavior judgment result.
As an alternative embodiment, after the string direct current half-wave electricity stealing behavior judgment result is obtained, the suspicious user is screened according to the string direct current half-wave electricity stealing behavior judgment result.
In a second aspect, the application provides a serial direct current half-wave electricity stealing behavior detection system based on Beidou, which comprises:
the acquisition module is configured to acquire load current of a user side in an abnormal line based on the Beidou short message communication mode;
the analysis module is configured to analyze the harmonic content of the load current to obtain a direct current component value;
the judging module is configured to judge whether the direct current injection quantity is abnormal according to the direct current component value so as to obtain a serial direct current half-wave electricity stealing behavior judging result.
In a third aspect, the application provides an electronic device comprising a memory and a processor and computer instructions stored on the memory and running on the processor, which when executed by the processor, perform the method of the first aspect.
In a fourth aspect, the present application provides a computer readable storage medium storing computer instructions which, when executed by a processor, perform the method of the first aspect.
Compared with the prior art, the application has the beneficial effects that:
the application adopts a combined electricity utilization inspection scheme comprising an online detection terminal and a service platform aiming at the direct current injection, analyzes and compares the waveform and harmonic components of the current of an electricity utilization loop, can find and confirm whether the direct current injection condition exists, judges the serial direct current half-wave electricity stealing behavior, and can screen suspicious users according to the electricity stealing judgment result of the tested node.
The combined electricity utilization inspection tester has a direct current test function, and can inspect direct current injection more conveniently.
The application has the Beidou communication function, can transmit the monitored fixed-point and timing data to the background master station for analysis and processing, and can improve the communication efficiency and the positioning accuracy.
Additional aspects of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
Fig. 1 is a flowchart of a method for detecting a serial direct current half-wave electricity theft behavior based on Beidou provided by embodiment 1 of the present application.
The specific embodiment is as follows:
the application is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms also are intended to include the plural forms, and furthermore, it is to be understood that the terms "comprises" and "comprising" and any variations thereof are intended to cover non-exclusive inclusions, such as, for example, processes, methods, systems, products or devices that comprise a series of steps or units, are not necessarily limited to those steps or units that are expressly listed, but may include other steps or units that are not expressly listed or inherent to such processes, methods, products or devices.
Embodiments of the application and features of the embodiments may be combined with each other without conflict.
Example 1
As shown in fig. 1, this embodiment provides a serial direct current half-wave electricity stealing behavior detection method based on Beidou, including:
acquiring load current of a user side in an abnormal line based on a Beidou short message communication mode;
carrying out harmonic content analysis on the load current to obtain a direct current component value;
judging whether the direct current injection quantity is abnormal or not according to the direct current component value, so as to obtain a serial direct current half-wave electricity stealing behavior judgment result.
In the embodiment, an early warning master station, a monitoring platform and a detection terminal are combined, and an anti-electricity-theft mode based on Beidou wide-area synchronous data is accessed in the electric power anti-theft platform so as to detect half-wave direct current electricity-theft behaviors.
In this embodiment, the detection terminal possesses big dipper location and data communication function, according to big dipper time service/locate function, carries out real-time transmission to the half-wave current data that gathers, carries out the detection diagnosis to the cluster direct current half-wave electricity larceny with it to monitor platform, can also pinpoint suspicious user's position simultaneously.
In order to achieve comprehensive and accurate acquisition of load current, the embodiment is to install a detection terminal on a 380V line of a platform region, and to conduct electricity metering and real load remote real-time monitoring on platform region power users corresponding to low power supply meters and high power supply meters.
In this embodiment, after the detection terminal collects load current data of the user side in the abnormal line, the data interaction is performed by using the Beidou channel, and the data interaction is sent to the monitoring platform for analysis.
In this embodiment, the monitoring platform diagnoses the abnormal line, and determines the area and the line of the abnormal line loss through the monitoring platform, so as to provide a direction for anti-theft work, reduce blindness of the anti-theft work, and improve work efficiency.
Preferably, the monitoring platform is used for monitoring the line loss of the line, and the abnormal line is determined according to the line loss and the synchronous line loss rate and the line loss average value;
preferably, when the line loss exceeds the contemporaneous line loss rate and the line loss exceeds the average value of the line losses of the corresponding ground, the line is judged to be a station area and a line with abnormal line loss.
In this embodiment, current data of a user side in an abnormal line is obtained to generate an anti-electricity-theft truth table, harmonic content is obtained according to analysis and comparison of current waveforms and harmonic waves in an electricity utilization loop, whether direct current injection quantity is abnormal is judged according to the harmonic content, so that a serial direct current half-wave electricity theft condition is obtained, and meanwhile, a monitoring platform can autonomously screen suspicious users according to electricity theft judgment results of tested nodes.
Preferably, the harmonic content of the load current is obtained by a fourier series decomposition method.
Preferably, the on-site operation and maintenance personnel can also check and evidence with an on-site checking tool according to an anti-electricity-stealing operation flow.
Preferably, after the detected direct current component exceeds the set direct current injection threshold value, an alarm signal is sent to the early warning main station.
Preferably, when the detected direct current component exceeds 5%, an alarm signal is sent to the early warning main station.
In this embodiment, the early warning master station is in butt joint with an electric company anti-electricity-stealing early warning platform, and after the monitoring platform obtains a serial direct current half-wave electricity-stealing judgment result, alarm data is sent to the early warning master station through Beidou short message communication.
In the embodiment, the Beidou short message communication is adopted for data interaction and communication among the early warning master station, the monitoring platform and the detection terminal, so that the communication efficiency and the positioning accuracy can be improved.
Example 2
The embodiment provides a cluster direct current half wave electricity stealing behavior detection system based on big dipper, include:
the acquisition module is configured to acquire load current of a user side in an abnormal line based on the Beidou short message communication mode;
the analysis module is configured to analyze the harmonic content of the load current to obtain a direct current component value;
the judging module is configured to judge whether the direct current injection quantity is abnormal according to the direct current component value so as to obtain a serial direct current half-wave electricity stealing behavior judging result.
It should be noted that the above modules correspond to the steps described in embodiment 1, and the above modules are the same as examples and application scenarios implemented by the corresponding steps, but are not limited to those disclosed in embodiment 1. It should be noted that the modules described above may be implemented as part of a system in a computer system, such as a set of computer-executable instructions.
In further embodiments, there is also provided:
an electronic device comprising a memory and a processor and computer instructions stored on the memory and running on the processor, which when executed by the processor, perform the method described in embodiment 1. For brevity, the description is omitted here.
It should be understood that in this embodiment, the processor may be a central processing unit CPU, and the processor may also be other general purpose processors, digital signal processors DSP, application specific integrated circuits ASIC, off-the-shelf programmable gate array FPGA or other programmable logic device, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may include read only memory and random access memory and provide instructions and data to the processor, and a portion of the memory may also include non-volatile random access memory. For example, the memory may also store information of the device type.
A computer readable storage medium storing computer instructions which, when executed by a processor, perform the method described in embodiment 1.
The method in embodiment 1 may be directly embodied as a hardware processor executing or executed with a combination of hardware and software modules in the processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method. To avoid repetition, a detailed description is not provided herein.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.
Claims (9)
1. A Beidou-based serial direct current half-wave electricity stealing behavior detection method is characterized by comprising the following steps of:
acquiring load current of a user side in an abnormal line based on a Beidou short message communication mode;
carrying out harmonic content analysis on the load current to obtain a direct current component value;
judging whether the direct current injection quantity is abnormal or not according to the direct current component value, so as to obtain a serial direct current half-wave electricity stealing behavior judgment result;
after the judgment result of the serial direct current half-wave electricity stealing behavior is obtained, suspicious users are screened according to the judgment result of the serial direct current half-wave electricity stealing behavior.
2. The Beidou-based serial direct current half-wave electricity stealing behavior detection method of claim 1, wherein the abnormal line is determined by the line loss of the line.
3. The Beidou-based serial direct current half-wave electricity stealing behavior detection method of claim 1, wherein the abnormal line is determined according to comparison of line loss quantity of the line with contemporaneous line loss rate and line loss average value.
4. The Beidou-based serial direct current half-wave electricity stealing behavior detection method of claim 3, wherein when the line loss exceeds the contemporaneous line loss rate and exceeds the line loss average value, an abnormal line is judged.
5. The Beidou-based serial direct current half-wave electricity stealing behavior detection method of claim 1, wherein the judging process of whether the direct current injection quantity is abnormal comprises the following steps: if the DC component value exceeds the preset DC injection threshold value, the DC injection quantity is abnormal, and an alarm signal is sent out.
6. The Beidou-based serial direct current half-wave electricity larceny detection method of claim 1, wherein after obtaining serial direct current half-wave electricity larceny judgment results, an alarm signal is sent to an early warning master station through a Beidou short message communication mode according to the serial direct current half-wave electricity larceny judgment results.
7. Beidou-based serial direct current half-wave electricity stealing behavior detection system is characterized by comprising:
the acquisition module is configured to acquire load current of a user side in an abnormal line based on the Beidou short message communication mode;
the analysis module is configured to analyze the harmonic content of the load current to obtain a direct current component value;
the judging module is configured to judge whether the direct current injection quantity is abnormal according to the direct current component value so as to obtain a serial direct current half-wave electricity stealing behavior judging result;
after the judgment result of the serial direct current half-wave electricity stealing behavior is obtained, suspicious users are screened according to the judgment result of the serial direct current half-wave electricity stealing behavior.
8. An electronic device comprising a memory and a processor and computer instructions stored on the memory and running on the processor, which when executed by the processor, perform the method of any one of claims 1-6.
9. A computer readable storage medium storing computer instructions which, when executed by a processor, perform the method of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110686135.8A CN113567720B (en) | 2021-06-21 | 2021-06-21 | Beidou-based serial direct current half-wave electricity stealing behavior detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110686135.8A CN113567720B (en) | 2021-06-21 | 2021-06-21 | Beidou-based serial direct current half-wave electricity stealing behavior detection method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113567720A CN113567720A (en) | 2021-10-29 |
| CN113567720B true CN113567720B (en) | 2023-12-08 |
Family
ID=78162394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110686135.8A Active CN113567720B (en) | 2021-06-21 | 2021-06-21 | Beidou-based serial direct current half-wave electricity stealing behavior detection method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113567720B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9001106D0 (en) * | 1989-01-20 | 1990-03-21 | South Of Scotland Electricity | Kilowatt hour meter tampering detection device |
| CN2924540Y (en) * | 2006-05-22 | 2007-07-18 | 王少华 | Electronic electricity meter for preventing semiwave DC power-stealing |
| CN101216503A (en) * | 2008-01-02 | 2008-07-09 | 武汉国测科技股份有限公司 | Hierarchical type electricity anti-theft system and method |
| CN101576585A (en) * | 2009-05-06 | 2009-11-11 | 南京宇能仪表有限公司 | Electronic electric energy meter metering full current and metering method thereof |
| CN202631601U (en) * | 2012-06-20 | 2012-12-26 | 孟村回族自治县电力局 | High frequency detection electricity larceny prevention device |
| CN104407268A (en) * | 2014-11-27 | 2015-03-11 | 国家电网公司 | Abnormal electricity utilization judgment method based on abnormal analysis of electric quantity, voltage and current |
| CN109030897A (en) * | 2018-09-20 | 2018-12-18 | 国网湖南省电力有限公司 | Stealing detection method based on Fourier transformation |
| CN109142831A (en) * | 2018-09-21 | 2019-01-04 | 国网安徽省电力公司电力科学研究院 | A kind of resident's exception electricity consumption analysis method and device based on impedance analysis |
| CN112394222A (en) * | 2020-11-19 | 2021-02-23 | 国网山西省电力公司临汾供电公司 | Load comparison method and system for line loss monitoring |
-
2021
- 2021-06-21 CN CN202110686135.8A patent/CN113567720B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9001106D0 (en) * | 1989-01-20 | 1990-03-21 | South Of Scotland Electricity | Kilowatt hour meter tampering detection device |
| CN2924540Y (en) * | 2006-05-22 | 2007-07-18 | 王少华 | Electronic electricity meter for preventing semiwave DC power-stealing |
| CN101216503A (en) * | 2008-01-02 | 2008-07-09 | 武汉国测科技股份有限公司 | Hierarchical type electricity anti-theft system and method |
| CN101576585A (en) * | 2009-05-06 | 2009-11-11 | 南京宇能仪表有限公司 | Electronic electric energy meter metering full current and metering method thereof |
| CN202631601U (en) * | 2012-06-20 | 2012-12-26 | 孟村回族自治县电力局 | High frequency detection electricity larceny prevention device |
| CN104407268A (en) * | 2014-11-27 | 2015-03-11 | 国家电网公司 | Abnormal electricity utilization judgment method based on abnormal analysis of electric quantity, voltage and current |
| CN109030897A (en) * | 2018-09-20 | 2018-12-18 | 国网湖南省电力有限公司 | Stealing detection method based on Fourier transformation |
| CN109142831A (en) * | 2018-09-21 | 2019-01-04 | 国网安徽省电力公司电力科学研究院 | A kind of resident's exception electricity consumption analysis method and device based on impedance analysis |
| CN112394222A (en) * | 2020-11-19 | 2021-02-23 | 国网山西省电力公司临汾供电公司 | Load comparison method and system for line loss monitoring |
Non-Patent Citations (1)
| Title |
|---|
| 采用双锰铜取样的防窃电单相智能电能表设计;雷民 等;电力工业;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113567720A (en) | 2021-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090282292A1 (en) | Methods, devices and computer program products for automatic fault identification in a network | |
| CN107091995A (en) | Monitor the method and device of communication base station and electric power power supply state | |
| CN108828406A (en) | The fault recognition method and its system of non-intrusion type user power utilization | |
| CN103091606B (en) | Grounding fault detecting method for direct current system with high anti-interference capacity | |
| CN109298379A (en) | A kind of recognition methods of the intelligent electric meter site error exception based on data monitoring | |
| CN102798803B (en) | Method for detecting line fault of power distribution network | |
| CN109254226A (en) | The alternate ground short circuit fault detection system in strange land and its detection method | |
| CN105716664A (en) | Cable state monitoring multiparameter correlation analysis method based on per-unit algorithm | |
| CN109725220B (en) | Detection method, system and device for transformer oil cooling loop | |
| CN106950450B (en) | The method for early warning and equipment of protective relaying device secondary circuit failure | |
| CN105044554A (en) | Power grid fault detection and diagnosis method | |
| CN111103497A (en) | Device and method for detecting abnormal electricity utilization of user | |
| CN208399634U (en) | A kind of comprehensive on-line monitoring system of electric power transformer insulated state | |
| CN107656234A (en) | A kind of phase three-wire three high-voltage electric-energy meter online test method and device | |
| CN107862859A (en) | A kind of information of vehicles report method, device, shared vehicle and storage medium | |
| CN204214974U (en) | High voltage power cable terminal on-Line Monitor Device | |
| CN102507816B (en) | Method for detecting effectiveness of oil chromatogram online monitoring data | |
| CN114002469B (en) | Method and device for detecting electricity theft and electricity theft detector | |
| CN105425004B (en) | Electric energy measuring equipment and its stealing event detecting method, device | |
| CN113567720B (en) | Beidou-based serial direct current half-wave electricity stealing behavior detection method and system | |
| CN104535886A (en) | Transformer iron core multipoint grounding diagnosis and processing method | |
| CN110187236A (en) | A kind of midium voltage cable open-circuit fault on-line monitoring system and method based on SSTDR | |
| CN207074258U (en) | Monitor the device of communication base station and electric power power supply state | |
| CN117074864A (en) | Method, system, equipment and medium for testing power consumption of transformer area side and detecting line loss | |
| CN113913833B (en) | Device, method and circuit for detecting cathode protection effect of buried steel pipeline |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jinliang Inventor after: Qi Yize Inventor after: Li Sai Inventor after: Wu Shuchang Inventor after: Zhao Zhitou Inventor after: Wang Jingfei Inventor after: Fan Youpeng Inventor after: Ren Wei Inventor after: Luo Xinting Inventor before: Qi Yize Inventor before: Wang Jinliang Inventor before: Li Sai Inventor before: Zhao Zhitou Inventor before: Wang Jingfei Inventor before: Fan Youpeng Inventor before: Wu Shuchang Inventor before: Ren Wei Inventor before: Luo Xinting |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231114 Address after: 250002, No. 500, South Second Ring Road, Shizhong District, Shandong, Ji'nan Applicant after: SHANDONG ELECTRIC POWER College Applicant after: STATE GRID CORPORATION TECHNICAL College BRANCH Address before: 250002, No. 500, South Second Ring Road, Shizhong District, Shandong, Ji'nan Applicant before: Qi Yize Applicant before: SHANDONG ELECTRIC POWER College Applicant before: STATE GRID CORPORATION TECHNICAL College BRANCH |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |