CN217282364U - Line becomes detection device and distribution system of relation - Google Patents

Line becomes detection device and distribution system of relation Download PDF

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Publication number
CN217282364U
CN217282364U CN202121504790.9U CN202121504790U CN217282364U CN 217282364 U CN217282364 U CN 217282364U CN 202121504790 U CN202121504790 U CN 202121504790U CN 217282364 U CN217282364 U CN 217282364U
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China
Prior art keywords
line
signal
line number
transformer
power carrier
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CN202121504790.9U
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Chinese (zh)
Inventor
史杰
宋继红
李宝海
洪权
白崇萍
史拉善
张宝平
郭蒙
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Haixi Power Supply Co Of State Grid Qinghai Electric Power Co
State Grid Corp of China SGCC
State Grid Qinghai Electric Power Co Ltd
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Haixi Power Supply Co Of State Grid Qinghai Electric Power Co
State Grid Corp of China SGCC
State Grid Qinghai Electric Power Co Ltd
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Application filed by Haixi Power Supply Co Of State Grid Qinghai Electric Power Co, State Grid Corp of China SGCC, State Grid Qinghai Electric Power Co Ltd filed Critical Haixi Power Supply Co Of State Grid Qinghai Electric Power Co
Priority to CN202121504790.9U priority Critical patent/CN217282364U/en
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    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations

Abstract

The application provides detection device and distribution system of line change relation, the distribution network includes transformer substation and distribution transformer, and distribution transformer is connected with the outgoing line electricity of transformer substation, and this detection device includes: the signal generator is in communication connection with an outgoing line of the transformer substation and is used for sending power carrier signals, and the power carrier signals are used for transmitting detection line numbers; the signal receiver is in communication connection with the high-voltage side of the distribution transformer and is used for receiving power carrier signals and zone codes of the distribution transformer; and the calibration equipment is in communication connection with the signal receiver and is used for determining the linear variable relation according to the power carrier signal and the station area code. The detection device solves the problem of low detection efficiency of the line-variable relationship in the prior art.

Description

Line becomes detection device and distribution system of relation
Technical Field
The application relates to the field of electric power measurement and collection, in particular to a detection device for a line-to-line relation and a power distribution system.
Background
At present, when a power grid company carries out line-variable relation verification, voltage curve similarity, power failure patterns, High Performance Liquid Chromatography (HPLC), unmanned aerial vehicle aerial photography, manual inspection and other modes are adopted for development, and although the technologies can better complete the line-variable relation verification, the defects of high investment cost, lack of continuity verification, great influence of a power grid structure and the like exist in practical application.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The application mainly aims to provide a detection device and a power distribution system for a line-to-line relation, so as to solve the problem that the detection efficiency of the line-to-line relation in the prior art is low.
According to the utility model discloses an aspect provides a detection device of line change relation, and the distribution network includes transformer substation and distribution transformer, distribution transformer with the electricity of being qualified for the next round of competitions of transformer substation is connected, detection device includes: the signal generator is in communication connection with an outgoing line of the transformer substation and is used for sending power carrier signals, and the power carrier signals are used for transmitting detection line numbers; the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and a zone code of the distribution transformer; and the calibration equipment is in communication connection with the signal receiver and is used for determining a linear variable relation according to the power carrier signal and the station area code.
Optionally, there are a plurality of outgoing lines of the substation, the detection line number corresponds to the outgoing line of the substation, and the signal receiver is connected to the distribution transformer in a one-to-one correspondence manner.
Optionally, the verification apparatus further includes: and the analog-to-digital converter is in communication connection with the signal receiver and is used for converting the power carrier signal into a digital signal to obtain the detection line number.
Optionally, the distribution network further includes a production management system, and the verification device further includes: the feedback unit is used for receiving a recorded line number and the detection line number and sending a feedback signal according to a comparison result of the recorded line number and the detection line number, the feedback signal is used for feeding back whether the recorded line number is correct, and the recorded line number is the line number of the distribution transformer recorded by the production management system.
Optionally, the feedback unit includes: and the digital comparator is in communication connection with the production management system and the analog-to-digital converter respectively, and is used for comparing the recording line number with the detection line number to obtain the feedback signal.
Optionally, the feedback unit further includes: and the communication module is in communication connection with the digital comparator and the production management system respectively, and is used for sending a request signal and the feedback signal to the production management system, wherein the request signal is used for requesting the production management system to feed back the recording line number corresponding to the zone code.
Optionally, the calibration device and the signal receiver are connected through a GSM network.
According to the utility model discloses on the other hand, still provide a power distribution system, become the detection device of relation including distribution network and line, the detection device that the relation was become to the line is arbitrary detection device.
In the embodiment of the present invention, in the detecting device of the line-to-line relation, the power distribution network includes a transformer substation and a distribution transformer, the distribution transformer is electrically connected to the outgoing line of the transformer substation, and the detecting device includes a signal generator, a signal receiver and a calibration device, wherein the signal generator is in communication connection with the outgoing line of the transformer substation, the signal generator is used for sending a power carrier signal, and the power carrier signal is used for transmitting a detection line number; the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and the zone codes of the distribution transformer; the calibration device is in communication connection with the signal receiver and is used for determining a line-variable relationship according to the power carrier signal and the station area code. The detection device sends power carrier signals through the signal generator, the power carrier signals are transmitted to the signal receiver of the high-voltage side of the distribution transformer through outgoing lines of the transformer substation, the signal receiver sends the power carrier signals and zone codes of the distribution transformer to the checking equipment, the checking equipment analyzes the power carrier signals to obtain detection line numbers, outgoing lines of the distribution transformer corresponding to the transformer substation can be determined according to the corresponding relation between the detection line numbers and the zone codes, and line-change relations can be obtained.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments and illustrations of the application are intended to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a schematic diagram of a power distribution system according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
01. a transformer substation; 02. a distribution transformer; 10. a signal generator; 20. a signal receiver; 30. and (5) checking equipment.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
For convenience of description, some terms or expressions referred to in the embodiments of the present application are explained below:
line-to-line relationship: the corresponding relationship between a distribution transformer and a distribution line, which is usually the outgoing line of a substation.
As mentioned in the background of the invention, in order to solve the above problem, the prior art has low efficiency of detecting the line-change relationship, and in an exemplary embodiment of the present application, a line-change relationship detecting apparatus and a power distribution system are provided.
According to an embodiment of the present application, there is provided a detection apparatus for a line-to-line relationship, as shown in fig. 1, a distribution network includes a substation 01 and a distribution transformer 02, the distribution transformer 02 is electrically connected to an outgoing line of the substation 01, and the detection apparatus includes:
the signal generator 10 is connected with an outgoing line of the transformer substation 01 in a communication mode, the signal generator 10 is used for sending a power carrier signal, and the power carrier signal is used for transmitting a detection line number;
a signal receiver 20 connected to a high-voltage side of the distribution transformer 02 in a communication manner, the signal receiver 20 being configured to receive the power carrier signal and the zone code of the distribution transformer 02;
and a calibration device 30 communicatively connected to the signal receiver 20, wherein the calibration device 30 is configured to determine a line-dependent relationship according to the power carrier signal and the station area code.
In the detection device of the line transformation relation, a power distribution network comprises a transformer substation and a distribution transformer, the distribution transformer is electrically connected with an outgoing line of the transformer substation, the detection device comprises a signal generator, a signal receiver and a calibration device, wherein the signal generator is in communication connection with the outgoing line of the transformer substation, the signal generator is used for sending a power carrier signal, and the power carrier signal is used for transmitting a detection line number; the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and the zone codes of the distribution transformer; the calibration device is in communication connection with the signal receiver and is used for determining a line-variable relationship according to the power carrier signal and the station area code. The detection device sends power carrier signals through the signal generator, the power carrier signals are transmitted to the signal receiver of the high-voltage side of the distribution transformer through outgoing lines of the transformer substation, the signal receiver sends the power carrier signals and zone codes of the distribution transformer to the checking equipment, the checking equipment analyzes the power carrier signals to obtain detection line numbers, outgoing lines of the distribution transformer corresponding to the transformer substation can be determined according to the corresponding relation between the detection line numbers and the zone codes, and line-change relations can be obtained.
It should be noted that, at present, when a power grid company performs line-variable relationship verification, voltage curve similarity, power failure patterns, unmanned aerial vehicle aerial photography, manual inspection and other modes are adopted for development, and although these technologies can better complete the line-variable relationship verification, due to the defects that investment cost is high, continuity verification is lacked, and influence by a power grid structure is large, certain defects exist in practical application.
In an embodiment of the present application, there are a plurality of outgoing lines of the substation, the detection line number corresponds to the outgoing line of the substation one to one, and the signal receiver is connected to the distribution transformer in a one to one correspondence. Specifically, the signal receiver is connected to the distribution transformers in a one-to-one correspondence manner, so that power carrier signals transmitted by outgoing lines of the transformer substation corresponding to the distribution transformers can be received, detection line numbers corresponding to the outgoing lines of the transformer substation are obtained, the detection line numbers correspond to the outgoing lines of the transformer substation in a one-to-one correspondence manner, the outgoing lines of the transformer substation corresponding to the distribution transformers can be determined according to the detection line numbers, and the line transformer relationship can be obtained.
In an embodiment of the application, the calibration device further includes an analog-to-digital converter, the analog-to-digital converter is in communication connection with the signal receiver, and the analog-to-digital converter is configured to convert the power carrier signal into a digital signal, so as to obtain the detection line number. Specifically, the analog-to-digital converter is configured to convert the power carrier signal into a digital signal, so as to analyze and obtain a detection line number transmitted by the power carrier signal.
In an embodiment of the application, the power distribution network further includes a production management system, the calibration device further includes a feedback unit, which is in communication connection with the production management system and the analog-to-digital converter, respectively, and is configured to receive a recorded line number and the detection line number, and send a feedback signal according to a comparison result between the recorded line number and the detection line number, where the feedback signal is used to feed back whether the recorded line number is correct, and the recorded line number is a line number of the distribution transformer recorded by the production management system. Specifically, the feedback unit receives a recording line number of the production management system, compares the recording line number with a detection line number obtained by analyzing the power carrier signal, and sends a feedback signal to the production management system according to a comparison result, and the production management system reports the feedback signal to a worker, and if the feedback signal indicates that the recording line number is consistent with the detection line number, the worker does not modify the recording line number, and if the feedback signal indicates that the recording line number is inconsistent with the detection line number, the worker modifies the recording line number into the detection line number.
In an embodiment of the application, the feedback unit includes a digital comparator, the digital comparator is in communication connection with the production management system and the analog-to-digital converter, and the digital comparator is configured to compare the recording line number with the detection line number to obtain the feedback signal. Specifically, the digital comparator is configured to compare the recording line number with the detection line number to obtain the feedback signal, i.e., determine whether the recording line number is consistent with the detection line number according to the feedback signal, i.e., determine whether the recording line number is correct.
In an embodiment of the application, the feedback unit further includes a communication module, the communication module is in communication connection with the digital comparator and the production management system, the communication module is configured to send a request signal and the feedback signal to the production management system, and the request signal is configured to request the production management system to feed back the recording line number corresponding to the zone code. Specifically, the communication module is configured to send a request signal to the production management system, the production management system feeds back the recording line number corresponding to the zone code to the feedback module, the feedback module obtains a feedback signal according to a comparison result between the recording line number and the detection line number, and the communication module sends the feedback signal to the production management system.
In an embodiment of the application, the calibration device is connected to the signal receiver through a GSM network. Specifically, the signal receiver sends the power carrier signal and the zone code of the distribution transformer to the checking device through the GSM network, so that the remote real-time detection of the line change relationship is realized, and the detection efficiency is further improved.
An embodiment of the present application further provides a power distribution system, as shown in fig. 1, where the power distribution system includes a power distribution network and a detection device of a line-to-line relationship, and the detection device of the line-to-line relationship is any one of the detection devices.
The power distribution system comprises a power distribution network and a detection device of line-to-line relation, wherein the power distribution network comprises a transformer substation and a distribution transformer, the distribution transformer is electrically connected with an outgoing line of the transformer substation, the detection device comprises a signal generator, a signal receiver and a calibration device, the signal generator is in communication connection with the outgoing line of the transformer substation, the signal generator is used for sending a power carrier signal, and the power carrier signal is used for transmitting a detection line number; the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and the zone codes of the distribution transformer; the calibration device is in communication connection with the signal receiver and is used for determining a line-variable relationship according to the power carrier signal and the station area code. The power distribution system sends power carrier signals through the signal generator, the power carrier signals are transmitted to the signal receiver on the high-voltage side of the distribution transformer through outgoing lines of the transformer substation, the signal receiver sends the power carrier signals and zone codes of the distribution transformer to the checking equipment, the checking equipment analyzes the power carrier signals to obtain detection line numbers, outgoing lines of the distribution transformer corresponding to the transformer substation can be determined according to the corresponding relation between the detection line numbers and the zone codes, and line-change relations can be obtained.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) in the detection device for the line-to-line relation, a power distribution network comprises a transformer substation and a distribution transformer, the distribution transformer is electrically connected with an outgoing line of the transformer substation, and the detection device comprises a signal generator, a signal receiver and a calibration device, wherein the signal generator is in communication connection with the outgoing line of the transformer substation, the signal generator is used for sending a power carrier signal, and the power carrier signal is used for transmitting a detection line number; the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and the zone codes of the distribution transformer; the calibration device is in communication connection with the signal receiver and is used for determining a line-variable relationship according to the power carrier signal and the station area code. The detection device sends power carrier signals through the signal generator, the power carrier signals are transmitted to the signal receiver of the high-voltage side of the distribution transformer through outgoing lines of the transformer substation, the signal receiver sends the power carrier signals and zone codes of the distribution transformer to the checking equipment, the checking equipment analyzes the power carrier signals to obtain detection line numbers, outgoing lines of the distribution transformer corresponding to the transformer substation can be determined according to the corresponding relation between the detection line numbers and the zone codes, and line-change relations can be obtained.
2) The power distribution system comprises a power distribution network and a detection device of line-to-line relation, wherein the power distribution network comprises a transformer substation and a distribution transformer, the distribution transformer is electrically connected with an outgoing line of the transformer substation, the detection device comprises a signal generator, a signal receiver and a calibration device, the signal generator is in communication connection with the outgoing line of the transformer substation, the signal generator is used for sending a power carrier signal, and the power carrier signal is used for transmitting a detection line number; the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and the zone codes of the distribution transformer; the calibration device is in communication connection with the signal receiver and is used for determining a linear variable relation according to the power carrier signal and the station area code. The power distribution system sends power carrier signals through the signal generator, the power carrier signals are transmitted to the signal receiver on the high-voltage side of the distribution transformer through outgoing lines of the transformer substation, the signal receiver sends the power carrier signals and zone codes of the distribution transformer to the checking equipment, the checking equipment analyzes the power carrier signals to obtain detection line numbers, outgoing lines of the distribution transformer corresponding to the transformer substation can be determined according to the corresponding relation between the detection line numbers and the zone codes, and line-change relations can be obtained.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. The utility model provides a detection device of line change relation, its characterized in that, the distribution network includes transformer substation and distribution transformer, distribution transformer with the outgoing line electricity of transformer substation is connected, detection device includes:
the signal generator is in communication connection with an outgoing line of the transformer substation and used for sending power carrier signals, and the power carrier signals are used for transmitting detection line numbers;
the signal receiver is in communication connection with a high-voltage side of a distribution transformer and is used for receiving the power carrier signal and the zone area code of the distribution transformer;
and the verification equipment is in communication connection with the signal receiver and is used for determining a linear variable relation according to the power carrier signal and the transformer area code.
2. The device of claim 1, wherein there are a plurality of outgoing lines of the substation, the detection line numbers correspond to the outgoing lines of the substation one by one, and the signal receivers are connected to the distribution transformers one by one.
3. The apparatus of claim 1, wherein the verification device further comprises:
and the analog-to-digital converter is in communication connection with the signal receiver and is used for converting the power carrier signal into a digital signal to obtain the detection line number.
4. The apparatus of claim 1, wherein the power distribution network further comprises a production management system, and wherein the verification device further comprises:
the feedback unit is used for receiving a recorded line number and the detection line number and sending a feedback signal according to a comparison result of the recorded line number and the detection line number, the feedback signal is used for feeding back whether the recorded line number is correct, and the recorded line number is the line number of the distribution transformer recorded by the production management system.
5. The apparatus of claim 4, wherein the feedback unit comprises:
and the digital comparator is in communication connection with the production management system and the analog-to-digital converter respectively, and is used for comparing the recording line number with the detection line number to obtain the feedback signal.
6. The apparatus of claim 5, wherein the feedback unit further comprises:
and the communication module is in communication connection with the digital comparator and the production management system respectively, and is used for sending a request signal and the feedback signal to the production management system, wherein the request signal is used for requesting the production management system to feed back the recording line number corresponding to the zone code.
7. The apparatus of claim 1, wherein the calibration device and the signal receiver are connected via a GSM network.
8. An electrical distribution system comprising an electrical distribution network and a device for detecting a line-to-line relationship, wherein the device for detecting a line-to-line relationship is a device as claimed in any one of claims 1 to 7.
CN202121504790.9U 2021-07-02 2021-07-02 Line becomes detection device and distribution system of relation Active CN217282364U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121504790.9U CN217282364U (en) 2021-07-02 2021-07-02 Line becomes detection device and distribution system of relation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121504790.9U CN217282364U (en) 2021-07-02 2021-07-02 Line becomes detection device and distribution system of relation

Publications (1)

Publication Number Publication Date
CN217282364U true CN217282364U (en) 2022-08-23

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Application Number Title Priority Date Filing Date
CN202121504790.9U Active CN217282364U (en) 2021-07-02 2021-07-02 Line becomes detection device and distribution system of relation

Country Status (1)

Country Link
CN (1) CN217282364U (en)

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