CN109239498A - A kind of power supply line's line loss detection method - Google Patents
A kind of power supply line's line loss detection method Download PDFInfo
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- CN109239498A CN109239498A CN201811270566.0A CN201811270566A CN109239498A CN 109239498 A CN109239498 A CN 109239498A CN 201811270566 A CN201811270566 A CN 201811270566A CN 109239498 A CN109239498 A CN 109239498A
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000009466 transformation Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
Classifications
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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
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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
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of power supply line's line loss detection method of the present invention, the method is based on a kind of power supply line's line loss detection circuit, the circuit includes metering units, the metering units are divided into route metering units according to installation site difference, power transformation metering units and load metering units, the route metering units are provided with one group, the route metering units are installed on the input terminal of high voltage supply route, multiple output ends of the high voltage supply route are input to the input terminal of the transformer in electric substation after power transformation metering units respectively, the output end of the transformer is respectively connected to load through a plurality of route of registering one's residence, and load metering units are serially connected with before route access load of registering one's residence.A kind of power supply line's line loss detection method of the present invention can be realized rapid line loss detection and positioning.
Description
Technical field
The present invention relates to a kind of detection method, more particularly, to one kind for power supply circuit line loss is carried out extremely detection and
The method of positioning, belongs to technical field of electric power.
Background technique
Currently, needing to carry out line loss monitoring to electric power cable during power Transmission, to quickly and easily understand line
Road situation;But conventional line loss detection carries out data communication using power communication mode, when line loss exception, often leads to lead to
News obstruction;And structure is complicated for conventional measurement circuit design, and it is inconvenient for use, and need outer with all kinds of detections of battery maintenance
The work of component increases maintenance cost for this reason, it may be necessary to which patrol officer's periodic replacement battery maintains.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of easy to detect, efficient, quick and maintenance cost is cheap
Power supply line's line loss detection method.
The object of the present invention is achieved like this:
A kind of power supply line's line loss detection method, the method are based on a kind of power supply line's line loss detection circuit, the circuit packet
Containing metering units, the metering units are divided into route metering units, power transformation metering units and load according to installation site difference
Metering units, the route metering units are provided with one group, which is installed on the input terminal of high voltage supply route,
Multiple output ends of the high voltage supply route are input to the defeated of the transformer in electric substation after power transformation metering units respectively
Enter end, the output end of the transformer is respectively connected to load through a plurality of route of registering one's residence, and concatenation before route access load of registering one's residence
There are load metering units;
The metering units include microprocessor, electric energy meter, wireless module, regulator rectifier circuit and mutual inductor, described
Electric energy meter concatenates on the line, and the data output end of the electric energy meter is connected to microprocessor, the microprocessor
I/O port and control port be connected to wireless module;The wireless module sends data to background service by wireless network
Device;
Power supply line's line loss detection method are as follows:
Initialization: microprocessor is built-in with unique ID identifier, presets line loss normal interval range (such as 1 ‰ ~ 1%);
The general power P0 of input end is transmitted to background server on the high voltage supply route that route metering units will acquire;
The output power P into high voltage supply line output before electric substation that power transformation metering units will acquire is transmitted to backstage and takes
Business device, Pi are the general power of the input terminal of a certain electric substation;Background server be calculated gross output P=P1+P2+ ...+
Pi, wherein i=1,2 ... n, n are the quantity of electric substation;
The input power Q for the service wire road entered before load that load metering units will acquire is transmitted to background server, Qi
For the loaded power summation connected in a certain electric substation, Qj is the input power in a certain load, background server meter
Calculation obtains the corresponding total power input Qi=Q1+Q2+ ...+Qj of each electric substation;Wherein j=1,2 ... m, m are for electric substation
The quantity of the load of connection;
Wherein: the numerical value of i, j are corresponded with ID identifier;
Background server calculates line loss S=(P0-P)/P on high voltage supply route;
Line loss Si=(Pi-Qi)/Pi of background server calculating service wire road;
When S exceeds default line loss normal interval range, background server alarm indication high voltage supply line anomalies;When Si exceeds
When default line loss normal interval range, background server alarm indication is registered one's residence line anomalies, and shows the numerical value of i, to mention
Show which item is registered one's residence line anomalies;It is quickly searched to realize.
The metering units also include the mutual inductor being set on route, and the mutual inductor is set on route, described
The output end of mutual inductor is connected to regulator rectifier circuit, and the output single connection of the regulator rectifier circuit is to microprocessor and wirelessly
Module.
Electric energy meter in the route metering units is serially connected on the input terminal of high voltage supply route, the power transformation meter
Electric energy meter in amount unit is serially connected on the output end of high voltage supply route, the electrical energy measurement in the load metering units
Table is serially connected on the output end for route of registering one's residence;
Mutual inductor in the route metering units is set on high voltage supply route, the mutual inductor in the power transformation metering units
It is set on high voltage supply route, the mutual inductor in the load metering units is set in service wire road.
Compared with prior art, the beneficial effects of the present invention are:
Circuit structure of the present invention is simple, convenient to use, so as to fast and accurately be alarmed failure and positioned;Together
When, the present invention uses wireless communication mode, reliable and stable;Circuit is powered in addition, obtaining induced current using mutual inductor,
Without optional equipment battery, so that maintenance cost and human cost expenditure are reduced, convenient for its popularization and application.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of power supply line's line loss detection circuit of the present invention.
Fig. 2 is a kind of structural schematic diagram of the metering units of power supply line's line loss detection circuit of the present invention.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of power supply line's line loss detection method of the present invention, the method are based on a kind of confession
Electric wire damage detection circuit, the circuit include metering units, and the metering units are divided into line according to installation site difference
Road metering units, power transformation metering units and load metering units, the route metering units are provided with one group, and route metering is single
Member is installed on the input terminal of high voltage supply route, and multiple output ends of the high voltage supply route are respectively through power transformation metering units
It is input to the input terminal of the transformer in electric substation afterwards, the output end of the transformer is respectively connected to bear through a plurality of route of registering one's residence
It carries, and is serially connected with load metering units before route access load of registering one's residence;
The metering units include microprocessor, electric energy meter, wireless module, regulator rectifier circuit and mutual inductor, described
Electric energy meter concatenates on the line, and the data output end of the electric energy meter is connected to microprocessor, the microprocessor
I/O port and control port be connected to wireless module;The wireless module sends data to background service by wireless network
Device;
Further, the metering units also include the mutual inductor being set on route, and the mutual inductor is set on route,
The output end of the mutual inductor is connected to regulator rectifier circuit, the output single connection of the regulator rectifier circuit to microprocessor and
Wireless module, so that power supply in real time is realized, without included battery;
Concretely, the electric energy meter in the route metering units is serially connected on the input terminal of high voltage supply route, described
Electric energy meter in power transformation metering units is serially connected on the output end of high voltage supply route, the electricity in the load metering units
Energy gauge table is serially connected on the output end for route of registering one's residence (front end that route of registering one's residence enters load);
Mutual inductor in the route metering units is set on high voltage supply route, the mutual inductor in the power transformation metering units
It is set on high voltage supply route, the mutual inductor in the load metering units is set in service wire road;
A kind of power supply line's line loss detection method, the method are as follows:
Initialization: microprocessor is built-in with unique ID identifier, presets line loss normal interval range (such as 1 ‰ ~ 1%);
The general power P0 of input end is transmitted to background server on the high voltage supply route that route metering units will acquire;
The output power P into high voltage supply line output before electric substation that power transformation metering units will acquire is transmitted to backstage and takes
Business device, Pi are the general power of the input terminal of a certain electric substation;Background server be calculated gross output P=P1+P2+ ...+
Pi(is i.e.: P=Σ pi), wherein i=1,2 ... n, n are the quantity of electric substation;
The input power Q for the service wire road entered before load that load metering units will acquire is transmitted to background server, Qi
For the loaded power summation connected in a certain electric substation, Qj is the input power in a certain load, background server meter
Calculation obtains the corresponding total power input Qi=Q1+Q2+ ...+Qj of each electric substation;Wherein j=1,2 ... m, m are for electric substation
The quantity of the load of connection;
Wherein: the numerical value of i, j are corresponded with ID identifier;
Background server calculates line loss S=(P0-P)/P on high voltage supply route;
Line loss Si=(Pi-Qi)/Pi of background server calculating service wire road;
When S exceeds default line loss normal interval range, background server alarm indication high voltage supply line anomalies;When Si exceeds
When default line loss normal interval range, background server alarm indication is registered one's residence line anomalies, and shows the numerical value of i, to mention
Show which item is registered one's residence line anomalies;It is quickly searched to realize;
In addition: it should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, those skilled in the art
Any change or improvement that member is done according to above-mentioned design, within the protection domain of this patent..
Claims (3)
1. a kind of power supply line's line loss detection method, it is characterised in that: the method is based on a kind of power supply line's line loss detection electricity
Road, the circuit include metering units, and the metering units are divided into route metering units, power transformation meter according to installation site difference
Unit and load metering units are measured, the route metering units are provided with one group, which is installed on high voltage supply
Multiple output ends of the input terminal of route, the high voltage supply route are input in electric substation after power transformation metering units respectively
Transformer input terminal, the output end of the transformer is respectively connected to load through a plurality of route of registering one's residence, and route of registering one's residence connects
Load metering units are serially connected with before entering load;
The metering units include microprocessor, electric energy meter, wireless module, regulator rectifier circuit and mutual inductor, described
Electric energy meter concatenates on the line, and the data output end of the electric energy meter is connected to microprocessor, the microprocessor
I/O port and control port be connected to wireless module;The wireless module sends data to background service by wireless network
Device;
Power supply line's line loss detection method are as follows:
Initialization: microprocessor is built-in with unique ID identifier, presets line loss normal interval range (such as 1 ‰ ~ 1%);
The general power P0 of input end is transmitted to background server on the high voltage supply route that route metering units will acquire;
The output power P into high voltage supply line output before electric substation that power transformation metering units will acquire is transmitted to backstage and takes
Business device, Pi are the general power of the input terminal of a certain electric substation;Background server be calculated gross output P=P1+P2+ ...+
Pi, wherein i=1,2 ... n, n are the quantity of electric substation;
The input power Q for the service wire road entered before load that load metering units will acquire is transmitted to background server, Qi
For the loaded power summation connected in a certain electric substation, Qj is the input power in a certain load, background server meter
Calculation obtains the corresponding total power input Qi=Q1+Q2+ ...+Qj of each electric substation;Wherein j=1,2 ... m, m are for electric substation
The quantity of the load of connection;
Wherein: the numerical value of i, j are corresponded with ID identifier;
Background server calculates line loss S=(P0-P)/P on high voltage supply route;
Line loss Si=(Pi-Qi)/Pi of background server calculating service wire road;
When S exceeds default line loss normal interval range, background server alarm indication high voltage supply line anomalies;When Si exceeds
When default line loss normal interval range, background server alarm indication is registered one's residence line anomalies, and shows the numerical value of i, to mention
Show which item is registered one's residence line anomalies, realizes and quickly search.
2. a kind of power supply line's line loss detection method as described in claim 1, it is characterised in that: the metering units also include
The mutual inductor being set on route, the mutual inductor are set on route, and the output end of the mutual inductor is connected to rectifying and voltage-stabilizing
Circuit, the output single connection of the regulator rectifier circuit to microprocessor and wireless module.
3. a kind of power supply line's line loss detection method as described in claim 1, it is characterised in that: in the route metering units
Electric energy meter is serially connected on the input terminal of high voltage supply route, and the electric energy meter in the power transformation metering units is serially connected in height
On the output end for pressing power supply line, the electric energy meter in the load metering units is serially connected on the output end for route of registering one's residence;
Mutual inductor in the route metering units is set on high voltage supply route, the mutual inductor in the power transformation metering units
It is set on high voltage supply route, the mutual inductor in the load metering units is set in service wire road.
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CN201811270566.0A CN109239498A (en) | 2018-10-29 | 2018-10-29 | A kind of power supply line's line loss detection method |
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CN201811270566.0A CN109239498A (en) | 2018-10-29 | 2018-10-29 | A kind of power supply line's line loss detection method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110940892A (en) * | 2019-12-13 | 2020-03-31 | 西安锐驰电器有限公司 | Equipment line fault detection system and method |
CN113267693A (en) * | 2021-05-17 | 2021-08-17 | 国网河北省电力有限公司沧州供电分公司 | Distributed transformer area line loss detection and positioning system |
CN113447749A (en) * | 2021-08-31 | 2021-09-28 | 江苏数能电力技术有限公司 | Method for judging abnormal line loss of transformer area |
WO2023164895A1 (en) * | 2022-03-03 | 2023-09-07 | 广东电网有限责任公司广州供电局 | Line loss detection load balancing method and apparatus used for gateway and gateway device |
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CN1392518A (en) * | 2002-04-13 | 2003-01-22 | 李福禄 | Real time monitoring and analyzing technology for power line damage |
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 |
CN201263094Y (en) * | 2008-08-14 | 2009-06-24 | 淄博计保互感器研究所 | Source-fetching device for I/P current |
CN102497030A (en) * | 2011-12-28 | 2012-06-13 | 山东电力研究院 | Line-loss actual-measurement and positioning method based on high-voltage electric energy meter and system thereof |
KR101905660B1 (en) * | 2018-01-03 | 2018-10-08 | 주식회사 레티그리드 | Power loss measurement system of live circuit |
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2018
- 2018-10-29 CN CN201811270566.0A patent/CN109239498A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1392518A (en) * | 2002-04-13 | 2003-01-22 | 李福禄 | Real time monitoring and analyzing technology for power line damage |
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 |
CN201263094Y (en) * | 2008-08-14 | 2009-06-24 | 淄博计保互感器研究所 | Source-fetching device for I/P current |
CN102497030A (en) * | 2011-12-28 | 2012-06-13 | 山东电力研究院 | Line-loss actual-measurement and positioning method based on high-voltage electric energy meter and system thereof |
KR101905660B1 (en) * | 2018-01-03 | 2018-10-08 | 주식회사 레티그리드 | Power loss measurement system of live circuit |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110940892A (en) * | 2019-12-13 | 2020-03-31 | 西安锐驰电器有限公司 | Equipment line fault detection system and method |
CN113267693A (en) * | 2021-05-17 | 2021-08-17 | 国网河北省电力有限公司沧州供电分公司 | Distributed transformer area line loss detection and positioning system |
CN113447749A (en) * | 2021-08-31 | 2021-09-28 | 江苏数能电力技术有限公司 | Method for judging abnormal line loss of transformer area |
CN113447749B (en) * | 2021-08-31 | 2021-11-23 | 江苏数能电力技术有限公司 | Method for judging abnormal line loss of transformer area |
WO2023164895A1 (en) * | 2022-03-03 | 2023-09-07 | 广东电网有限责任公司广州供电局 | Line loss detection load balancing method and apparatus used for gateway and gateway device |
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