CN203445696U - Power distribution line online monitoring system - Google Patents
Power distribution line online monitoring system Download PDFInfo
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- CN203445696U CN203445696U CN201320555568.0U CN201320555568U CN203445696U CN 203445696 U CN203445696 U CN 203445696U CN 201320555568 U CN201320555568 U CN 201320555568U CN 203445696 U CN203445696 U CN 203445696U
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Abstract
The utility model discloses a power distribution line online monitoring system comprising a master station system (1) which is used for acquiring loads and voltage of a line (2), monitoring and judging faults of the line (2) and state of a remote monitoring switch and protecting trip-out in real time, and multiple line monitoring points which are connected with the master station system (1). Each line monitoring point comprises a front end acquisition device (21) and a data transmission device (22). The front end acquisition device (21) is provided with a switch which is controlled by the master station system (1) and used for closing or separating the corresponding line monitoring point. With enforcement of the online monitoring system, A fault segment is confirmed and eliminated under that condition that an operation and management staff masters the operation state and the line faults of the line online, and the front end acquisition device is provided with the switch so that all secondary connecting wires are arranged in the internal part, only primary wire connection is arranged onsite, and thus the power distribution line online monitoring system is convenient and rapid to install and construct.
Description
Technical field
The utility model relates to electric power network field, more particularly, relates to a kind of on-line monitoring system that distribution line is carried out to comprehensively monitoring.
Background technology
Distribution line on-line monitoring system is the multifunctional ligand electric system of searching for distribution line low current grounding and phase fault; utilize electronic technology, mechanics of communication, computer networking technology; realize monitoring, protection and the control of distribution network systems, make power distribution network and equipment thereof all the time in safety, reliable, high-quality, economy, optimized operation state efficiently.
Traditional distribution line on-line monitoring system generally consists of distribution main website, distribution substation, distribution terminal unit and communication network, the shortcoming that they mainly exist is: (1) most of circuits can not automatic monitoring or monitoring, makes the high expensive of distribution terminal and switch automatic improving; (2) on-line monitoring system of standard itself is limited in one's ability, primary equipment (PT (Potential Transformer, voltage transformer), CT(Current Transformer, current transformer), transformer, switch) transform loaded down with trivial details, can restrict the quantity growth of on-site supervision point conversely, thereby make the object of monitoring few, the useful information collecting still less.This terminal equipment is that the operational mode based on traditional electrical network is built, and its fault pre-alarming ability is low, and failure recovery time is long.
Switch on traditional distribution line on-line monitoring system path monitoring point is independent installation, needs to adopt special Intelligent switch, invest larger, on-the-spot installation complexity.
Utility model content
The technical problems to be solved in the utility model is, the defect for above-mentioned traditional on-line monitoring system of prior art, provides a kind of distribution line on-line monitoring system.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of distribution line on-line monitoring system, comprise load and voltage for Real-time Collection circuit, monitor the fault with judgement circuit, the main station system of remote monitoring on off state trip protection and a plurality of path monitoring points that are connected with described main station system, described path monitoring point comprises for online detection line current information, fault current data and transformer ruuning situation and will detect that data send to the front-end collection device of described main station system and for carrying out the data transmission device of transfer of data between described front-end collection device and described main station system, wherein, described front-end collection device is provided with by described main station system to be controlled, for the described path monitoring point of correspondence being closed a floodgate or the switch of separating brake.
In above-mentioned distribution line on-line monitoring system, described switch is vacuum circuit breaker.
In above-mentioned distribution line on-line monitoring system, described front-end collection device comprise current sensor for gathering line current signal, can unit and comprise storage battery for extract getting of working power at working line, for maintain micro-power consumption chip of normal power supply after power failure.
In above-mentioned distribution line on-line monitoring system, described main station system comprises fault section module for fault data is judged and reports to the police and the alarm module of early warning signal for the fault of circuit and abnormal conditions are produced.
In above-mentioned distribution line on-line monitoring system, described main station system also comprise for the human-computer interface module that shows system network architecture figure with graph direct, for described front-end collection device and described main station system carry out the data communication module of communication, for according to querying condition, the query statistic module of enquiry of historical data curve plotting figure and for demarcating described switch coordinate position in the drawings, demarcates the graphics module of circuit fault section.
In above-mentioned distribution line on-line monitoring system, described front-end collection device is GSM data transmission terminal.
Implement distribution line on-line monitoring system of the present utility model, the beneficial effect of obtaining is to have solved the fault detect of distribution feeder, the problems such as transmission of data.The ruuning situation of real-time detection line current information, fault current data and transformer etc.; the running status and the fault section in line fault situation that make operational management personnel grasp online circuit are determined and get rid of; realize monitoring, the control and protection of distribution feeder, improve power supply reliability and service quality.And front-end collection device and vacuum circuit breaker are integral structures, without adopting special Intelligent switch, be combined with existing vacuum circuit breaker on outdoor lamppost, completion system function, saved investment, all secondary connections are all inner at front-end collection device, during on-the-spot installation, only need primary connection, and installation is convenient and swift.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the distribution line on-line monitoring system of the utility model preferred embodiment.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 is the structural representation of the distribution line on-line monitoring system of the utility model preferred embodiment, distribution line on-line monitoring system comprises main station system 1 and communicates the monitoring point of the circuit 2 being connected with described main station system 1, the monitoring point of circuit 2 comprises front-end collection device 21 and communicates with described front-end collection device 21 data transmission device 22 being connected, wherein, described front-end collection device 21 is provided with by main station system 1 to be controlled, for the described path monitoring point of correspondence being closed a floodgate or the switch of separating brake, described main station system 1 pilot switch state, distribution line on-line monitoring system is protected.Main station system 1 is mainly used in the load of Real-time Collection circuit 2 and fault (comprising single phase ground fault, phase fault etc.), remote monitoring on off state the trip protection of voltage, supervision and judgement circuit 2.Main station system 1 comprises fault section module and alarm module, when distribution line breaks down, front-end collection device 21 sends to main station system 1 by fault data, 1 pair of fault data returning of main station system judges, such as the judgement of single phase ground fault district, the judgement of phase fault district etc., and the fault in 1 pair of circuit of main station system and abnormal conditions can produce and report to the police and early warning signal.In addition, main station system 1 also comprises human-computer interface module, man-machine interface is the interface of operating system of user, with graph direct show system network architecture figure, for front-end collection device and main station system carry out the data communication module of communication, for according to querying condition, the query statistic module of enquiry of historical data curve plotting figure and for calibration switch coordinate position in the drawings, demarcates graphics module of circuit fault section etc.Therefore, main station system 1, when distribution line breaks down, can accurately be oriented fault point and show in the drawings, to inform that dispatcher carries out remote operation to fix a breakdown rapidly, restores electricity.
Front-end collection device 21 is mainly used in the ruuning situation of online detection line current information, fault current data and transformer and detection data is sent to main station system 1, this device is mainly arranged on transformer station's outlet and important branch outlet etc. and locates, to realize the on-line monitoring of these monitoring points.Wherein, front-end collection device 21 comprise current sensor for gathering line current signal, can unit and include storage battery for extract getting of working power at working line, micro-power consumption chip that still can normal power supply after power failure.
Front-end collection device 21 is provided with the switch of being controlled by main station system 1, main by the switch with existing use (plain edition, intelligent) combination, the ruuning situation of online detection line 2.Front-end collection device 21 is by 3 inner CT(Current Transformer, current sensor) gather the current signal (comprising line load current information, circuit zero sequence current information, line fault current data, circuit phase shortage information etc.) of circuit 2 and judge circuit running status and whether break down with this.Switch can be vacuum circuit breaker, vacuum circuit-breaker have volume little, lightweight, be applicable to the advantages such as frequent operation, arc extinguishing need not overhaul, be therefore applicable to being applied in power distribution network.Front-end collection device 21 and being combined into one of vacuum circuit breaker structure, without adopting special intelligent switch, be combined with through simple transformation with the vacuum circuit-breaker on existing outdoor column, completion system function, so that existing vacuum circuit breaker on outdoor lamppost continues to use, investment and all secondary connection have been saved all in front-end collection device 21 inside.When install at scene, for once line connects, and installation is convenient and swift.The working power of front-end collection device 21 can be taken from working line operating voltage, does not need to install additional in addition PT(Potential Transformer, voltage transformer) working power, easy for installation and easy care be provided.The inner micro-power consumption chip that contains internal battery that adopts of front-end collection device 21, even after power failure, also can utilize internal battery also can continuous operation more than one week and this device have good high temperature resistant, decay resistance, there is good sealing property, can guarantee that system is not subject to external environment influence.
When power network line normally moves, the switch of front-end collection device 21 and existing use (plain edition or intelligent all can) combination, online acquisition circuit ruuning situation fixed point send data to main station system 1 by data transmission device 21, help operation power personnel to grasp in time the service data of each monitoring point on circuit.
When circuit breaks down, front-end collection device 21 can detect line fault current data, by data transmission device 22, switch actuating signals, fault current data etc. is sent to main station system 1.The data that main station system 1 is docked to are again carried out fault judgement, show that give the alarm signal and corresponding abnormal conditions that may cause fault of fault section, the fault of corresponding various circuits send early warning signal (for example main station system 1 carries out alarm when circuit generation single-phase earthing, phase fault, communicating interrupt; When circuit overload, main station system 1 carries out overload early-warning; ) and when switch folding condition changes main station system 1 point out etc., to help operation power personnel to locate fast fault point, get rid of accident potential.
Implement distribution line on-line monitoring system of the present utility model, solved the fault detect of distribution feeder, the problems such as transmission of data.The ruuning situation of real-time detection line current information, fault current data and transformer etc.; the running status and the fault section in line fault situation that make operational management personnel grasp online circuit are determined and get rid of; realize monitoring, the control and protection of distribution feeder; also shortened accordingly trouble shooting time; contribute to rapidly removing faults; dwindle power failure range, reduce interruption duration, improve power supply reliability and service quality.And front-end collection device and vacuum circuit breaker are integral structures, without adopting special Intelligent switch, be combined with existing vacuum circuit breaker on outdoor lamppost, completion system function, saved investment, all secondary connections are all inner at front-end collection device, during on-the-spot installation, only need primary connection, and installation is convenient and swift.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (6)
1. a distribution line on-line monitoring system, it is characterized in that, comprise load and voltage for Real-time Collection circuit (2), monitor the fault with judgement circuit (2), the main station system of remote monitoring on off state trip protection (1) and a plurality of path monitoring points that are connected with described main station system (1), described path monitoring point comprises for online detection line current information, fault current data and transformer ruuning situation and will detect that data send to the front-end collection device (21) of described main station system and for carrying out the data transmission device (22) of transfer of data between described front-end collection device (21) and described main station system (1), wherein, described front-end collection device (21) is provided with by described main station system (1) and controls, for the described path monitoring point of correspondence being closed a floodgate or the switch of separating brake.
2. distribution line on-line monitoring system according to claim 1, is characterized in that, described switch is vacuum circuit breaker.
3. distribution line on-line monitoring system according to claim 1, it is characterized in that, described front-end collection device (21) comprise current sensor for gathering line current signal, can unit and comprise storage battery for extract getting of working power at working line, for maintain micro-power consumption chip of normal power supply after power failure.
4. distribution line on-line monitoring system according to claim 1, it is characterized in that, described main station system (1) comprises fault section module for fault data is judged and reports to the police and the alarm module of early warning signal for the fault of circuit and abnormal conditions are produced.
5. distribution line on-line monitoring system according to claim 4, it is characterized in that, described main station system (1) also comprise for the human-computer interface module that shows system network architecture figure with graph direct, for described front-end collection device (21) and described main station system (1) carry out the data communication module of communication, for according to querying condition, the query statistic module of enquiry of historical data curve plotting figure and for demarcating described switch coordinate position in the drawings, demarcates the graphics module of circuit fault section.
6. on-line monitoring system according to claim 1, is characterized in that, described front-end collection device (21) is GSM data transmission terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555568.0U CN203445696U (en) | 2013-09-06 | 2013-09-06 | Power distribution line online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555568.0U CN203445696U (en) | 2013-09-06 | 2013-09-06 | Power distribution line online monitoring system |
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| Publication Number | Publication Date |
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| CN203445696U true CN203445696U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320555568.0U Expired - Lifetime CN203445696U (en) | 2013-09-06 | 2013-09-06 | Power distribution line online monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330704A (en) * | 2014-11-13 | 2015-02-04 | 上海萌烨电力科技有限公司 | Transmission and distribution power grid fault positioning system |
| CN105631576A (en) * | 2014-11-20 | 2016-06-01 | Abb技术有限公司 | Methods, systems, and computer readable media for monitoring and management of a power distribution system |
| CN106526428A (en) * | 2016-12-05 | 2017-03-22 | 西安兴汇电力科技有限公司 | 0.4kV low-voltage distribution line on-line monitoring system |
| CN108152656A (en) * | 2018-01-25 | 2018-06-12 | 武汉彤科电力科技有限公司 | One kind is based on one or two fusion type Fault Isolation intelligent measuring and control devices |
-
2013
- 2013-09-06 CN CN201320555568.0U patent/CN203445696U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330704A (en) * | 2014-11-13 | 2015-02-04 | 上海萌烨电力科技有限公司 | Transmission and distribution power grid fault positioning system |
| CN104330704B (en) * | 2014-11-13 | 2017-02-22 | 上海萌烨电力科技有限公司 | Transmission and distribution power grid fault positioning system |
| CN105631576A (en) * | 2014-11-20 | 2016-06-01 | Abb技术有限公司 | Methods, systems, and computer readable media for monitoring and management of a power distribution system |
| CN106526428A (en) * | 2016-12-05 | 2017-03-22 | 西安兴汇电力科技有限公司 | 0.4kV low-voltage distribution line on-line monitoring system |
| CN108152656A (en) * | 2018-01-25 | 2018-06-12 | 武汉彤科电力科技有限公司 | One kind is based on one or two fusion type Fault Isolation intelligent measuring and control devices |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.17, Renmin East Road, Simao District, Pu'er City, Yunnan Province Patentee after: PUER SUPPLY POWER BUREAU OF YUNNAN POWER GRID Co.,Ltd. Patentee after: KUNMING SHENGRUNTAI ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: No.17, Renmin East Road, Simao District, Pu'er City, Yunnan Province Patentee before: PU'ER POWER SUPPLY BUREAU OF YUNAN GRID Co.,Ltd. Patentee before: KUNMING SHENGRUNTAI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210602 Address after: No.200 Chacheng Avenue, Simao District, Pu'er City, Yunnan Province Patentee after: PUER SUPPLY POWER BUREAU OF YUNNAN POWER GRID Co.,Ltd. Address before: No.17, Renmin East Road, Simao District, Pu'er City, Yunnan Province Patentee before: PUER SUPPLY POWER BUREAU OF YUNNAN POWER GRID Co.,Ltd. Patentee before: KUNMING SHENGRUNTAI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |