CN113985204A - Low-voltage line loss segmented supervision method - Google Patents
Low-voltage line loss segmented supervision method Download PDFInfo
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- CN113985204A CN113985204A CN202111255418.3A CN202111255418A CN113985204A CN 113985204 A CN113985204 A CN 113985204A CN 202111255418 A CN202111255418 A CN 202111255418A CN 113985204 A CN113985204 A CN 113985204A
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- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- 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
- G01R31/088—Aspects of digital computing
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a low-voltage line loss subsection supervision method, and relates to the technical field of power systems. The low-voltage line loss subsection supervision method comprises a substation terminal, wherein the substation terminal is respectively and electrically connected with a master control workstation, a communication workstation, a server, a printer, a detection terminal and field equipment. The invention provides a low-voltage line loss sectional supervision method which is simple in implementation mode, good in troubleshooting effect, time-saving and labor-saving, capable of effectively saving cost and achieving the purpose of saving social resources.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a low-voltage line loss segmented supervision method.
Background
In the process of transmitting electric energy, certain loss is caused due to technical reasons, and the loss is called line loss; in addition, errors caused by distribution, measurement and statistics of electric energy can reflect some losses; in addition, the artificial abnormal electricity utilization also causes the loss of electric energy, and the technical or artificial factors bring certain economic loss to the power management.
A conventional (application number: 201910833552.3) patent discloses a device and a method for reporting segment line loss and power failure, which includes: the intelligent distribution transformer comprises an intelligent distribution transformer terminal, low-voltage detection unit equipment and a high-voltage wireless CT, wherein the low-voltage detection unit equipment and the high-voltage wireless CT are respectively in wireless connection with the intelligent distribution transformer terminal; the low voltage detection unit equipment comprises first low voltage detection unit equipment connected with the first grading terminal, second low voltage detection unit equipment connected with the second grading terminal and third low voltage detection unit equipment connected with the third grading terminal. According to the intelligent distribution transformer, the intelligent distribution transformer terminal is matched with the high-voltage side wireless CT and the low-voltage monitoring unit equipment, the calculation of the segmented line loss and the report of the multi-stage power failure event are completed, the state sensing capability of the low-voltage power grid is comprehensively improved, and the comprehensive monitoring of the dynamic load of the transformer area is realized.
The method is poor in instantaneity, cannot quickly and accurately determine the line loss range, and positions users with abnormal electricity utilization.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a low-voltage line loss sectional supervision method, which solves the problems that the line loss range cannot be quickly and accurately determined and users with abnormal power consumption cannot be positioned in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the low-voltage line loss subsection supervision method comprises a substation terminal, wherein the substation terminal is respectively and electrically connected with a master control workstation, a communication workstation, a server, a printer, a detection terminal and field equipment.
Preferably, the master control workstation, the server, the printer, the detection terminal and the field device are all connected through the communication workstation.
A low-voltage line loss subsection supervision method is characterized by comprising the following steps: the method comprises the following steps:
step S1, firstly, quantitative time interval data collection is carried out on outlet power supply amount through a substation terminal, and the data are analyzed and compared;
step S2, when the data is abnormal, the line loss detector sends out network identification signal through the line, and then the line loss detector identifies the signal through the detection terminal;
step S3, after the signal is identified, the detection terminal sends out a network clock synchronization command, and the line loss detector carries out time synchronization;
step S4, collecting current, voltage and power data of a downstream ammeter by the line loss detector, stamping a timestamp, and sending the collected data to the detection terminal by the line loss detector to calculate the actual loss of the line;
step S5, when the detection terminal detects that the loss is larger than the preset value, the detection terminal sends information to the line loss detector to position the abnormal line;
in step S6, data backup and printing are performed.
Preferably, the line loss detector can be correspondingly increased according to the increase of the number of users carried by the power line, and the segmented monitoring analysis is performed.
Preferably, the line loss detector is located downstream of the substation terminal on the line.
Preferably, the field device specifically refers to a household or enterprise electric device.
Preferably, the subordination relationship is specifically a substation terminal-detection terminal-line loss detector in a master-slave order.
Preferably, the master control workstation is mainly a line load management terminal.
(III) advantageous effects
The invention provides a low-voltage line loss subsection supervision method. The method has the following beneficial effects:
1. the invention provides a low-voltage line loss segmented supervision method which is characterized in that data information acquired by a substation terminal is compared, and an abnormal line is quickly positioned by a line loss detector after abnormality occurs.
2. The invention provides a low-voltage line loss subsection supervision method, which can quickly and accurately transmit information through a communication workstation, is matched with a server to store and backup the information, and prints data information through a printer, thereby being convenient for recording.
3. The invention provides a low-voltage line loss sectional supervision method which is simple in implementation mode, good in troubleshooting effect, time-saving and labor-saving, capable of effectively saving cost and achieving the purpose of saving social resources.
Drawings
FIG. 1 is a schematic diagram of a communication workstation network connection according to the present invention;
FIG. 2 is a diagram of a detection architecture according to the present invention.
1, a substation terminal; 2. a master control workstation; 3. a communication workstation; 4. a server; 5. a printer; 6. detecting a terminal; 7. a field device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-2, a low-voltage line loss segment supervision method according to an embodiment of the present invention includes a substation terminal, where the substation terminal 1 is electrically connected to a master control workstation 2, a communication workstation 3, a server 4, a printer 5, a detection terminal 6, and a field device 7.
The main control workstation 2, the server 4, the printer 5, the detection terminal 6 and the field device 7 are all connected through the communication workstation 3.
A low-voltage line loss subsection supervision method is characterized by comprising the following steps: the method comprises the following steps:
step S1, firstly, quantitative time interval data acquisition is carried out on outlet power supply quantity through the substation terminal 1, and the data are analyzed and compared;
step S2, when the data is abnormal, the line loss detector sends out network identification signals through the line, and then the signals are identified through the detection terminal 6;
step S3, after the signal is identified, the detection terminal 6 sends out a network clock synchronization command, and the line loss detector carries out time synchronization;
step S4, collecting current, voltage and power data of a downstream ammeter by the line loss detector, stamping a timestamp, and sending the collected data to the detection terminal 6 by the line loss detector to calculate the actual line loss;
step S5, when the detection terminal 6 detects that the loss is larger than the preset value, the detection terminal sends information to the line loss detector to position the abnormal line;
in step S6, data backup and printing are performed.
The line loss detector can be correspondingly increased according to the increase of the number of users in the power line, and segmented monitoring analysis is carried out.
The line loss detector is located at the downstream of the substation terminal 1 on the line.
The field device 7 specifically refers to a household or enterprise electric device.
The subordination relation is specifically a substation terminal 1-a detection terminal 6-a line loss detector according to the master-slave sequence.
The master control workstation 2 is mainly a line load management terminal.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a low pressure line loss segmentation supervision method, includes electric substation terminal (1), its characterized in that: the transformer substation terminal (1) is respectively and electrically connected with a master control workstation (2), a communication workstation (3), a server (4), a printer (5), a detection terminal (6) and field equipment (7).
2. The low-voltage line loss subsection supervision method according to claim 1, characterized in that: the main control workstation (2), the server (4), the printer (5), the detection terminal (6) and the field device (7) are connected through the communication workstation (3).
3. A low-voltage line loss subsection supervision method is characterized by comprising the following steps: the method comprises the following steps:
step S1, firstly, acquiring quantitative time interval data of outlet power supply quantity through a substation terminal (1), and analyzing and comparing the data;
step S2, when the data is abnormal, the line loss detector sends out network identification signals through the line, and then the signals are identified through the detection terminal (6);
step S3, after the signal is identified, the detection terminal (6) sends out a network clock synchronization command, and the line loss detector carries out time synchronization;
step S4, collecting current, voltage and power data of a downstream ammeter by the line loss detector, stamping a timestamp, and sending the collected data to the detection terminal (6) by the line loss detector to calculate the actual loss of the line;
step S5, when the detection terminal (6) detects that the loss is larger than the preset value, the detection terminal sends information to the line loss detector to position an abnormal line;
in step S6, data backup and printing are performed.
4. The low-voltage line loss subsection supervision method according to claim 3, characterized in that: the line loss detector can be correspondingly increased according to the increase of the number of users in the power line, and segmented monitoring analysis is carried out.
5. The low-voltage line loss subsection supervision method according to claim 3, characterized in that: the line loss detector is located at the downstream of a substation terminal (1) on a line.
6. The low-voltage line loss subsection supervision method according to claim 1, characterized in that: the field device (7) specifically refers to electric equipment such as a household or an enterprise.
7. The low-voltage line loss subsection supervision method according to claim 1, characterized in that: the subordination relation is specifically a substation terminal (1), a detection terminal (6) and a line loss detector according to the master-slave sequence.
8. The low-voltage line loss subsection supervision method according to claim 1, characterized in that: the main control workstation (2) is mainly a line load management terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111255418.3A CN113985204B (en) | 2021-10-27 | 2021-10-27 | Low-voltage line loss sectionalized supervision method |
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| CN202111255418.3A CN113985204B (en) | 2021-10-27 | 2021-10-27 | Low-voltage line loss sectionalized supervision method |
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| CN113985204A true CN113985204A (en) | 2022-01-28 |
| CN113985204B CN113985204B (en) | 2024-06-18 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392518A (en) * | 2002-04-13 | 2003-01-22 | 李福禄 | Real time monitoring and analyzing technology for power line damage |
| CN202957659U (en) * | 2011-12-28 | 2013-05-29 | 山东电力研究院 | Line loss actual measurement and positioning system based on high voltage electric energy meter |
| CN103187804A (en) * | 2012-12-31 | 2013-07-03 | 萧山供电局 | Station area electricity utilization monitoring method based on bad electric quantity data identification |
| CN104485743A (en) * | 2014-12-22 | 2015-04-01 | 江苏创业信息科技有限公司 | Regional intelligent line loss refined distribution line |
| CN205539271U (en) * | 2016-04-01 | 2016-08-31 | 国网冀北电力有限公司电力科学研究院 | Electric network line loss remote monitering system |
| CN107024641A (en) * | 2017-03-29 | 2017-08-08 | 国网上海市电力公司 | A kind of platform area line loss per unit exception monitoring system |
| CN108063493A (en) * | 2017-12-25 | 2018-05-22 | 光科技股份有限公司 | A kind of method and system of quick positioning low-voltage platform area line loss |
| CN110907719A (en) * | 2019-11-05 | 2020-03-24 | 深圳供电局有限公司 | Low-voltage line subsection line loss real-time monitoring device and method |
-
2021
- 2021-10-27 CN CN202111255418.3A patent/CN113985204B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392518A (en) * | 2002-04-13 | 2003-01-22 | 李福禄 | Real time monitoring and analyzing technology for power line damage |
| CN202957659U (en) * | 2011-12-28 | 2013-05-29 | 山东电力研究院 | Line loss actual measurement and positioning system based on high voltage electric energy meter |
| CN103187804A (en) * | 2012-12-31 | 2013-07-03 | 萧山供电局 | Station area electricity utilization monitoring method based on bad electric quantity data identification |
| CN104485743A (en) * | 2014-12-22 | 2015-04-01 | 江苏创业信息科技有限公司 | Regional intelligent line loss refined distribution line |
| CN205539271U (en) * | 2016-04-01 | 2016-08-31 | 国网冀北电力有限公司电力科学研究院 | Electric network line loss remote monitering system |
| CN107024641A (en) * | 2017-03-29 | 2017-08-08 | 国网上海市电力公司 | A kind of platform area line loss per unit exception monitoring system |
| CN108063493A (en) * | 2017-12-25 | 2018-05-22 | 光科技股份有限公司 | A kind of method and system of quick positioning low-voltage platform area line loss |
| CN110907719A (en) * | 2019-11-05 | 2020-03-24 | 深圳供电局有限公司 | Low-voltage line subsection line loss real-time monitoring device and method |
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