CN108036817A - Distribution Running State integrated monitoring - Google Patents
Distribution Running State integrated monitoring Download PDFInfo
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- CN108036817A CN108036817A CN201711144699.9A CN201711144699A CN108036817A CN 108036817 A CN108036817 A CN 108036817A CN 201711144699 A CN201711144699 A CN 201711144699A CN 108036817 A CN108036817 A CN 108036817A
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- information
- power distribution
- distribution network
- running state
- integrated monitoring
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to distribution Running State integrated monitoring, comprise the following steps successively：Step 1 obtains power distribution network information in real time, and the information that step 2 receiving step one obtains simultaneously carries out contrast judgement, and step 3 formulates live patrol task or repair and maintenance task according to the information that step 2 judges；Advantages of the present invention：By the above method, the labor intensity of manual work is not only reduced, improves work efficiency, while also contribute to power supply capacity.Operation of power networks is set to make full use of existing status information, hold the state of controller switching equipment to greatest extent by multi-faceted, diversification analysis, find failure in time, formulate rational repair and maintenance strategy according to this, so as to improve controller switching equipment pot life, extend service life of equipment, save a large amount of maintenance costs, power distribution network lean management level can be lifted, reduce the workload of operation maintenance personnel, O＆M efficiency is improved, improves power distribution network operational reliability, improves power supply quality.
Description
Technical field
The present invention relates to distribution Running State integrated monitoring.
Background technology
Important component of the power distribution network as power grid, region be directly facing terminal user, and the production with broad masses of the people is given birth to
Work is closely bound up, is the important infrastructure of serve the people, distribution Running State and distribution network equipment state, ambient condition are close
Cut phase is closed.Will to the operating status of power distribution network carry out accurately judge and analyze, it is necessary to overall power distribution system information, facility information and
The multi-aspect informations such as environmental information, and the above-mentioned acquisition information that existing power distribution network cannot be fast and reliable, power distribution network management level
Just, power supply capacity and power supply quality are directly affected, once power distribution network have a power failure or power supply be disturbed, not only entail dangers to society
Public safety, the personal safety of the people, and great loss or influence can be caused in politics or economically, society is possibly even
Can be in paralyzed state.
The content of the invention
The technical problem to be solved in the present invention is to provide distribution Running State integrated monitoring, existing monitoring is solved
The running state information that host cannot obtain power distribution network in real time causes technical problem of the power distribution network there are insecurity.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：Distribution Running State is comprehensive
Monitoring method is closed, is comprised the following steps successively：
Step 1：Obtain circuit information on load, cable fault information, transformer pile head and outlet in power distribution network in real time respectively
Cable head temperature information, controller switching equipment information, the information of power distribution network running environment；
Step 2：The information of the acquisition of receiving step one is simultaneously compared with the historical information in memory, and judges distribution
The information of Running State；
Step 3：The information that power distribution automation main station judges according to step 2 formulates live patrol task or repair and maintenance is appointed
Business, and the form of short message is issued to related personnel on hand.
Preferably, the controller switching equipment information in step 1 includes panel switches information, controller switching equipment power information and distribution
Automate secondary loop information.
Preferably, the cable fault information in step 1 includes singlephase earth fault information, the transformer stake in step 1
Head and outlet cable head temperature information are detected by temperature sensor, the packet of the power distribution network running environment in step 1
Humiture information and SF6 gas concentration information are included, and humiture information is gathered by temperature and humidity controller, SF6 gas concentrations letter
Breath is gathered by supersonic detector.
Preferably, the reception, comparison and judgement in step 2 by ARM primary processors into row information.
Preferably, ARM primary processors realize the transmission of information with power distribution automation main station by Ethernet or UART.
In conclusion advantages of the present invention：By by circuit information on load, cable fault information, transformer in power distribution network
Pile crown and outlet cable head temperature information, controller switching equipment information, the information of power distribution network running environment obtain in real time, and will obtain
Information be compared with the historical information in memory to judge the information of distribution Running State, it is then automatic by distribution
Change main website and formulate live patrol task or repair and maintenance task, not only reduce the labor intensity of manual work, improve work efficiency,
Also contribute to power supply capacity at the same time.Operation of power networks is set to make full use of existing status information, by multi-faceted, polynary
The state of controller switching equipment is held in the analysis of change to greatest extent, is found failure in time, is formulated rational repair and maintenance strategy according to this,
So as to improve controller switching equipment pot life, extend service life of equipment, the optimization distribution use in maintenance cost, saves a large amount of dimensions
Expense is repaiied, power distribution network lean management level can be lifted, reduces the workload of operation maintenance personnel, improves O＆M efficiency, improves distribution
Network operation reliability, improves power supply quality, lifting company social image.
Embodiment
Distribution Running State integrated monitoring, comprises the following steps successively：
Step 1：Obtain circuit information on load, cable fault information, transformer pile head and outlet in power distribution network in real time respectively
Cable head temperature information, controller switching equipment information, the information of power distribution network running environment；
Step 2：The information of the acquisition of receiving step one is simultaneously compared with the historical information in memory, and judges distribution
The information of Running State；
Step 3：The information that power distribution automation main station judges according to step 2 formulates live patrol task or repair and maintenance is appointed
Business, and the form of short message is issued to related personnel on hand.
Controller switching equipment information in step 1 includes panel switches information, controller switching equipment power information and power distribution automation two
Minor loop information, can analyze the reliability of switch, controller switching equipment power supply in real time according to the information of acquisition, be conducive to detection operation
Circuit, realizes on-site terminal apparatus remote maintenance without dead angle.
Cable fault information in step 1 includes singlephase earth fault information, and the present invention is preferably filled in asymmetric current source
Put and realize failure line selection and localization of fault by detecting the feature for the asymmetric current signal for making to produce on faulty line, when
When singlephase earth fault occurs for any point on circuit, the asymmetric current source in substation or on circuit detects failure
After information, first determine whether the phase that is out of order, signal specific is mutually then applied to failure, failure detector inspection on the line is installed
Flow measurement crosses the signal specific of this circuit, and failure detector provides alarm if fault signature is met, so as to indicate the letter that is out of order
Breath, in addition may be mounted at the overhead transmission line single-phase earthing event on electric distribution network overhead wire main line key node and important branch line
Hinder monitoring device, gather line current, electric field, cable temperature in real time, when line current, electric field signal are abnormal change,
Electric current, electric field signal waveform to anomalous variation carry out recording, while invalid by special short distance wireless communication technology and GPRS
Mechanics of communication, carries out data transmission.On-line monitoring system software is by converging the record of each node of whole electric distribution network overhead wire
Wave number evidence, with reference to historical data, using data mining technology, identifies line fault, and line fault generating process is carried out anti-
Drill analysis, obtain fault message, the transformer pile head and outlet cable head temperature information in step 1 by temperature sensor into
Row detection, temperature sensor can detect the temperature of transformer pile head and outlet cable head in real time, and temperature sensor is wireless nothing
Source temperature sensor, can realize being wirelessly transferred for temperature information, and the information of the power distribution network running environment in step 1 is including warm and humid
Information and SF6 gas concentration information are spent, and humiture information is gathered by temperature and humidity controller, SF6 gas concentration information passes through
Supersonic detector gathers, and can quickly obtain the information of power distribution network running environment, ensures the security performance of distribution network operation.
Reception, comparison and judgement in step 2 by ARM primary processors into row information, ARM primary processors are integrally contracted
Low, execution efficiency is high, and ARM primary processors realize the transmission of information, information with power distribution automation main station by Ethernet or UART
Transmission is stablized, and unfailing performance is good.
In addition, communication protocol standardized extensions, the preferential extension standards stipulations of the present embodiment are set on ARM primary processors
Method realize that SCADA functions, other fault detects, failure wave-recording, remote maintenance and terminal device monitor in real time, SCADA work(
Can include remote measurement, remote signalling, distant control function, remote measurement amount except voltage under normal duty state, electric current, it is active and reactive in addition to, further include zero
Sequence, negative sequence voltage and electric current, will also can access direct current input quantity, be mainly used for the voltage and power supply electricity of the storage battery that monitoring uses
Stream, remote signalling are mainly to access panel switches auxiliary contact signal, stored energy mechanism energy storage normal signal, " the soft pressing plate " of device control
As a local distant place control pressing plate signal, remote control include panel switches close a floodgate with tripping output outside, further include for storage battery activation
The output switch parameter of the functions such as control.
Other fault detects：Short trouble refers to cause electric current increased dramatically in electric system, and voltage significantly declines, and
Further result in electrical equipment damage phase and phase or phase and ground between short circuit, short trouble in system with effectively earthed neutral
Be divided into three-phase shortcircuit, line to line fault, two-phase grounding fault and single-line to ground fault, short circuit in system with non effectively earth ed neutral therefore
Barrier is divided into three-phase shortcircuit, line to line fault and two-phase grounding fault, and when such failure occurs, fault signature is obvious, and fault current is big,
It can be detected using overcurrent method, definite value is protected when detecting that electric current exceedes, be considered as that short trouble, terminal collection occurs
Fault message include fault current, magnitude of voltage, time of failure and failure last, for ease of accident analysis, under can record
False voltage, the waveform of electric current can also be recorded only several crucial to simplify the composition of device and reduce volume of transmitted data
Fault current, voltage magnitude, such as the value that failure occurs and the failure removal moment is forward and backward.
Failure wave-recording：When detecting system jam, it is necessary to record the change of the forward and backward various electrical quantity of failure
Situation, by the analysis to these electrical quantity, compares, and can analyze and process accident, judge whether protection correctly acts, to improving
The horizontal equal important role of safe operation of power system；
Remote maintenance：Distribution terminal remote maintenance functions be primarily referred to as in the distance to distribution terminal operation and control parameter into
Row modification and adjustment, realize the related dimension that long-range modification and device are carried out to parameters relevant to system operation such as protection definite values
Nurse makees, to mitigate the plant maintenance workload of operations staff.
Terminal device monitors in real time：Terminal device on-line monitoring function includes the operation to distribution terminal main functional modules
State is detected in real time, and such as distribution terminal CPU, I/O interface, A/D is changed, the state of the key components of memory is supervised online
Survey, the working status of above-mentioned module then needs newly-built function modeling to realize protocol extension.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention makes various changes and modifications, and without departing from the spirit of the present invention, should all belong to appended claims of the present invention and determine
The scope of justice.
Claims (5)
1. distribution Running State integrated monitoring, it is characterised in that：Comprise the following steps successively：
Step 1：Obtain circuit information on load, cable fault information, transformer pile head and outlet cable in power distribution network in real time respectively
Head temperature information, controller switching equipment information, the information of power distribution network running environment；
Step 2：The information of the acquisition of receiving step one is simultaneously compared with the historical information in memory, and judges that power distribution network is transported
The information of row state；
Step 3：The information that power distribution automation main station judges according to step 2 formulates live patrol task or repair and maintenance task,
And the form of short message is issued to related personnel on hand.
2. distribution Running State integrated monitoring according to claim 1, it is characterised in that:Distribution in step 1
Facility information includes panel switches information, controller switching equipment power information and power distribution automation secondary loop information.
3. distribution Running State integrated monitoring according to claim 1, it is characterised in that:Cable in step 1
Fault message includes singlephase earth fault information, and the transformer pile head and outlet cable head temperature information in step 1 pass through temperature
Sensor is detected, and the information of the power distribution network running environment in step 1 includes humiture information and SF6 gas concentration information,
And humiture information is gathered by temperature and humidity controller, SF6 gas concentration information is gathered by supersonic detector.
4. distribution Running State integrated monitoring according to claim 1, it is characterised in that:Pass through in step 2
Reception, comparison and judgement of the ARM primary processors into row information.
5. distribution Running State integrated monitoring according to claim 4, it is characterised in that:ARM primary processors with
Power distribution automation main station realizes the transmission of information by Ethernet or UART.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144699.9A CN108036817A (en) | 2017-11-17 | 2017-11-17 | Distribution Running State integrated monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144699.9A CN108036817A (en) | 2017-11-17 | 2017-11-17 | Distribution Running State integrated monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036817A true CN108036817A (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711144699.9A Pending CN108036817A (en) | 2017-11-17 | 2017-11-17 | Distribution Running State integrated monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994570A (en) * | 2019-12-19 | 2020-04-10 | 深圳供电局有限公司 | Power distribution network protection method and system, protection equipment and storage medium |
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| CN102088482A (en) * | 2010-12-16 | 2011-06-08 | 山东电力集团公司东营供电公司 | Safe operating and fault remote-positioning system for ring network cabinet |
| JP2012050210A (en) * | 2010-08-25 | 2012-03-08 | Chugoku Electric Power Co Inc:The | Supporting system and method for power failure restoration |
| CN103199621A (en) * | 2013-03-07 | 2013-07-10 | 安徽省电力公司芜湖供电公司 | On-line monitoring networking of power transformer of intelligent substation |
| CN105471106A (en) * | 2015-12-18 | 2016-04-06 | 国网山东省电力公司电力科学研究院 | Distribution power automation terminal with equipment state monitoring function and monitoring method |
| KR101635612B1 (en) * | 2015-11-03 | 2016-07-04 | (주) 동보파워텍 | Diagnosis system of electric distribution board equipment based on internet of things |
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2017
- 2017-11-17 CN CN201711144699.9A patent/CN108036817A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012050210A (en) * | 2010-08-25 | 2012-03-08 | Chugoku Electric Power Co Inc:The | Supporting system and method for power failure restoration |
| CN102088482A (en) * | 2010-12-16 | 2011-06-08 | 山东电力集团公司东营供电公司 | Safe operating and fault remote-positioning system for ring network cabinet |
| CN103199621A (en) * | 2013-03-07 | 2013-07-10 | 安徽省电力公司芜湖供电公司 | On-line monitoring networking of power transformer of intelligent substation |
| KR101635612B1 (en) * | 2015-11-03 | 2016-07-04 | (주) 동보파워텍 | Diagnosis system of electric distribution board equipment based on internet of things |
| CN105471106A (en) * | 2015-12-18 | 2016-04-06 | 国网山东省电力公司电力科学研究院 | Distribution power automation terminal with equipment state monitoring function and monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110994570A (en) * | 2019-12-19 | 2020-04-10 | 深圳供电局有限公司 | Power distribution network protection method and system, protection equipment and storage medium |
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