CN108761293A - A kind of bus insulation condition checkout gear - Google Patents
A kind of bus insulation condition checkout gear Download PDFInfo
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- CN108761293A CN108761293A CN201810903765.4A CN201810903765A CN108761293A CN 108761293 A CN108761293 A CN 108761293A CN 201810903765 A CN201810903765 A CN 201810903765A CN 108761293 A CN108761293 A CN 108761293A
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- Prior art keywords
- busbar
- leakage current
- processor
- bus insulation
- voltage
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention discloses a kind of bus insulation condition checkout gear, including intensive data processor, display terminal and several parameter detection modules, intensive data processor is connect with several parameter detection modules and display terminal respectively, parameter detection module includes processor, and temperature and humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit and the data transmission communication unit being connect with processor.The present invention is detected humiture, leakage current and the voltage on busbar by parameter detection module, and according to humiture, leakage current and voltage statistic bus insulation danger coefficient, and insulation risks coefficient is sent to intensive data processor, the relationship that intensive data processor passes through the bus insulation danger coefficient for judging to detect and the bus insulation danger coefficient of setting, it determines bus insulation state and is shown, the detection efficiency for improving bus insulation state has the characteristics that accuracy height and safe.
Description
Technical field
The invention belongs to busbar monitoring technical fields, are related to a kind of bus insulation condition checkout gear.
Background technology
The effect of busbar is to collect, distribute and transmit electric energy, in operation due to busbar, has huge electric energy to pass through, short
Lu Shi subjects prodigious fever and dynamo-electric effect.
Busbar can no longer meet the requirement in high current Down Highway fever and short-circuit electromotive force at present.Meanwhile collecting skin effect
The increase for answering coefficient and added losses brings declining to a great extent for busbar current-carrying capability, seriously affects and restrict the safety of substation
Operation, quality and the electrodynamic influence under high current working condition of existing busbar joint technique may lead to joint contact electricity
The increase of resistance so that connector temperature liter is excessive, influences the safe operation of busbar.
In During Process of Long-term Operation, the junction of busbar can cause busbar because of electrical wear, mechanically actuated and short-circuit electromotive force
The reasons such as mechanical oscillation, so that contact conditions is deteriorated, contact resistance increases, and the temperature of contact point is caused to increase, and aggravation contacts table
The result of the oxidation in face, oxidation causes contact resistance to rise again, vicious circle is formed, finally, due to which the influence of high temperature is possible to
So that adjacent insulating element performance is deteriorated, or even breakdown, endangers the safe operation of busbar.In recent years, power plant and substation
A lot of busbar excess temperature accidents occur, cause electrical fire and the power outage of large area, and existing, bus insulation state-detection
In the process, there is a problem of that detection accuracy difference and safety are low, the generation of fire incident can not be effectively prevented from.
Invention content
The purpose of the present invention is to provide a kind of bus insulation condition checkout gears, solve the detection of existing busbar state
Safety is poor, problem that accuracy is low.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of bus insulation condition checkout gear, including intensive data processor, display terminal and several parameter detecting moulds
Block, intensive data processor are connect with several parameter detection modules and display terminal respectively, and the parameter detection module includes temperature
Humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit, processor and data transmission communication unit；
Processor respectively with temperature and humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit and data
Transmit communication unit connection；
Temperature and humidity collection unit is Temperature Humidity Sensor, the humiture for detecting busbar side in real time, and by detection
Humiture is sent to processor；
Leakage current collecting unit is leakage current sensor, for detecting the electric leakage stream information on busbar in real time, and will detection
Leakage current be sent to processor；
Voltage acquisition unit is voltage sensor, it is sent for detecting the voltage on busbar in real time, and by the voltage of detection
To processor；
Positioning unit uses GPS, the position for obtaining the busbar, and the location information of acquisition is sent to processor；
Processor is used to receive the humiture of temperature and humidity collection unit transmission, and by the warm and humid of the humiture of reception and setting
Degree threshold value is compared, and obtains temperature difference, psychrometric difference, receives the leakage current that leakage current collecting unit is sent, and by the leakage of reception
Electric current and the leakage current threshold of setting are compared, and leakage current difference, and the voltage that receiving voltage collecting unit is sent are obtained, and
Voltage on the busbar of reception is compared with the normal voltage on the busbar, obtains voltage difference, processor receives positioning
The busbar location information that unit is sent, processor count bus insulation danger according to temperature difference, psychrometric difference, current difference and voltage difference
Coefficient；
Processor is by the bus insulation danger coefficient of statistics and the corresponding position of the busbar through data transfer communications unit
It is sent to intensive data processor, the intensive data processor receives the busbar of the transmission of the processor in each parameter detection module
The bus insulation danger coefficient of insulation risks coefficient, each bus insulation danger coefficient and setting to reception compares, if connecing
The bus insulation danger coefficient of receipts is more than the bus insulation danger coefficient of setting, then intensive data processor endangers the bus insulation
The position that dangerous coefficient is more than the busbar of the bus insulation danger coefficient of setting is sent to display terminal；
Data transfer communications unit is cordless communication network, for the bus insulation danger coefficient that sends processor and
The corresponding position of the busbar is sent to intensive data processor, realizes the long range radio transmissions of data；
Display terminal is liquid crystal display, receives the bus insulation danger coefficient that intensive data processor is sent and is more than setting
The busbar position line position of going forward side by side of busbar rescue danger coefficient set display.
Further, the bus insulation danger coefficientWherein, Δ w tables
Difference between the temperature being shown as around the busbar actually measured and threshold temperature, Δ w=wIt is real-wThreshold values, Δ s is expressed as practical measurement
Busbar around humidity and the difference between humidity threshold values, Δ s=sIt is real-sThreshold values, Δ l is expressed as leakage current difference, if the leakage of detection
Electric current is less than the leakage current threshold of setting, then Δ l is taken to be equal to 0, if the leakage current of detection is more than the leakage current threshold of setting, Δ
L=lIt is real-lThreshold values, Δ v is expressed as the difference between the voltage on the busbar actually measured and the threshold voltage of setting, Δ v=vIt is real-
vThreshold values, wThreshold valuesIt is expressed as the threshold temperature of setting, sThreshold valuesIt is expressed as the humidity threshold values of setting, lThreshold valuesIt is expressed as the leakage current valve of setting
Value, vThreshold valuesIt is expressed as the threshold voltage of setting.
Beneficial effects of the present invention：
Bus insulation state monitoring apparatus provided by the invention, by parameter detection module to the humiture of busbar side,
Busbar leakage current and busbar voltage are detected, and are endangered according to the humiture of detection, leakage current and voltage statistic bus insulation
Dangerous coefficient, and insulation risks coefficient is sent to intensive data processor, the busbar that intensive data processor passes through judgement detection
The relationship of insulation risks coefficient and the bus insulation danger coefficient of setting determines bus insulation state and is shown, improved
The detection efficiency of bus insulation state, the system have the characteristics that detection accuracy is good and safe, ensure that busbar work
Make the safety under state.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of schematic diagram of bus insulation condition checkout gear in the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of bus insulation condition checkout gear, including intensive data processor, display terminal and
Several parameter detection modules, intensive data processor are connect with several parameter detection modules and display terminal respectively, the parameter
Detection module includes temperature and humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit, processor and data
Transmit communication unit；
Processor respectively with temperature and humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit and data
Transmit communication unit connection；
Temperature and humidity collection unit is Temperature Humidity Sensor, is mounted on busbar, for detecting the warm and humid of busbar side in real time
Degree, and the humiture of detection is sent to processor；
Leakage current collecting unit is leakage current sensor, is mounted on busbar, for detecting the leakage current on busbar in real time
Information, and the leakage current of detection is sent to processor；
Voltage acquisition unit is voltage sensor, is mounted on busbar, for detecting the voltage on busbar in real time, and will inspection
The voltage of survey is sent to processor；
Positioning unit uses GPS, mounted on need to detect on busbar, the position for obtaining the busbar, and by the position of acquisition
Confidence breath is sent to processor；
Processor is used to receive the humiture of temperature and humidity collection unit transmission, and by the warm and humid of the humiture of reception and setting
Degree threshold value is compared, and obtains temperature difference, psychrometric difference, receives the leakage current that leakage current collecting unit is sent, and by the leakage of reception
Electric current and the leakage current threshold of setting are compared, and leakage current difference, and the voltage that receiving voltage collecting unit is sent are obtained, and
Voltage on the busbar of reception is compared with the normal voltage on the busbar, obtains voltage difference, processor receives positioning
The busbar location information that unit is sent, processor count bus insulation danger according to temperature difference, psychrometric difference, current difference and voltage difference
Coefficient Q, the bus insulation danger coefficientWherein, Δ w is expressed as practical survey
The difference between temperature and threshold temperature around the busbar of amount, Δ w=wIt is real-wThreshold values, Δ s is expressed as around the busbar actually measured
Humidity and humidity threshold values between difference, Δ s=sIt is real-sThreshold values, Δ l is expressed as leakage current difference, is set if the leakage current of detection is less than
The leakage current threshold set then takes Δ l to be equal to 0, if the leakage current of detection is more than the leakage current threshold of setting, Δ l=lIt is real-lThreshold values,
Δ v is expressed as the difference between the voltage on the busbar actually measured and the threshold voltage of setting, Δ v=vIt is real-vThreshold values, wThreshold valuesIt is expressed as
The threshold temperature of setting, sThreshold valuesIt is expressed as the humidity threshold values of setting, lThreshold valuesIt is expressed as the leakage current threshold values of setting, vThreshold valuesIt is expressed as setting
The threshold voltage set.
Processor is by the bus insulation danger coefficient of statistics and the corresponding position of the busbar through data transfer communications unit
It is sent to intensive data processor, the intensive data processor receives the busbar of the transmission of the processor in each parameter detection module
The bus insulation danger coefficient of insulation risks coefficient, each bus insulation danger coefficient and setting to reception compares, if connecing
The bus insulation danger coefficient of receipts is more than the bus insulation danger coefficient of setting, then intensive data processor endangers the bus insulation
The position that dangerous coefficient is more than the busbar of the bus insulation danger coefficient of setting is sent to display terminal；
Data transfer communications unit is cordless communication network, for the bus insulation danger coefficient that sends processor and
The corresponding position of the busbar is sent to intensive data processor, realizes the long range radio transmissions of data；
Display terminal is liquid crystal display, receives the bus insulation danger coefficient that intensive data processor is sent and is more than setting
The busbar position line position of going forward side by side of busbar rescue danger coefficient set display, the prompting of busbar precarious position is realized, convenient for administrator
Member repairs the busbar of bus insulation state difference, to improve safety.
Bus insulation state monitoring apparatus provided by the invention, by parameter detection module to the humiture of busbar side,
Busbar leakage current and busbar voltage are detected, and are endangered according to the humiture of detection, leakage current and voltage statistic bus insulation
Dangerous coefficient, and insulation risks coefficient is sent to intensive data processor, the busbar that intensive data processor passes through judgement detection
The relationship of insulation risks coefficient and the bus insulation danger coefficient of setting determines bus insulation state and is shown, improved
The detection efficiency of bus insulation state, the system have the characteristics that detection accuracy is good and safe, ensure that busbar work
Make the safety under state.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (2)
1. a kind of bus insulation condition checkout gear, it is characterised in that：If including intensive data processor, display terminal and trepang
Number detection module, intensive data processor are connect with several parameter detection modules and display terminal respectively, the parameter detecting mould
Block includes that temperature and humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit, processor and data transmission are logical
Believe unit；
Processor respectively with temperature and humidity collection unit, leakage current collecting unit, voltage acquisition unit, positioning unit and data transmission
Communication unit connects；
Temperature and humidity collection unit is Temperature Humidity Sensor, the humiture for detecting busbar side in real time, and by the warm and humid of detection
Degree is sent to processor；
Leakage current collecting unit is leakage current sensor, for detecting the electric leakage stream information on busbar in real time, and by the leakage of detection
Electric current is sent to processor；
Voltage acquisition unit is voltage sensor, for detecting the voltage on busbar in real time, and the voltage of detection is sent to place
Manage device；
Positioning unit uses GPS, the position for obtaining the busbar, and the location information of acquisition is sent to processor；
Processor is used to receive the humiture of temperature and humidity collection unit transmission, and by the humiture threshold of the humiture of reception and setting
Value is compared, and obtains temperature difference, psychrometric difference, receives the leakage current that leakage current collecting unit is sent, and by the leakage current of reception
It is compared with the leakage current threshold of setting, obtains leakage current difference, and the voltage that receiving voltage collecting unit is sent, and will connect
The voltage on the busbar received is compared with the normal voltage on the busbar, obtains voltage difference, and processor receives positioning unit
The busbar location information of transmission, processor count bus insulation danger system according to temperature difference, psychrometric difference, current difference and voltage difference
Number；
Processor sends the bus insulation danger coefficient of statistics and the corresponding position of the busbar through data transfer communications unit
To intensive data processor, the intensive data processor receives the bus insulation of the transmission of the processor in each parameter detection module
The bus insulation danger coefficient of danger coefficient, each bus insulation danger coefficient and setting to reception compares, if receive
Bus insulation danger coefficient is more than the bus insulation danger coefficient of setting, then intensive data processor is by the bus insulation danger system
Number is sent to display terminal more than the position of the busbar of the bus insulation danger coefficient of setting；
Data transfer communications unit is cordless communication network, the bus insulation danger coefficient for sending processor and the mother
The corresponding position of line is sent to intensive data processor, realizes the long range radio transmissions of data；
Display terminal is liquid crystal display, receives the mother that the bus insulation danger coefficient that intensive data processor is sent is more than setting
The busbar position line position of going forward side by side of line rescue danger coefficient sets display.
2. a kind of bus insulation condition checkout gear according to claim 1, it is characterised in that：The bus insulation is dangerous
CoefficientWherein, Δ w is expressed as the temperature around the busbar actually measured and temperature
Difference between bottom valve value, Δ w=wIt is real-wThreshold values, Δ s is expressed as the difference between the humidity around the busbar actually measured and humidity threshold values
Value, Δ s=sIt is real-sThreshold values, Δ l is expressed as leakage current difference, if the leakage current of detection takes Δ l less than the leakage current threshold of setting
Equal to 0, if the leakage current of detection is more than the leakage current threshold of setting, Δ l=lIt is real-lThreshold values, Δ v is expressed as the mother actually measured
Voltage on line and the difference between the threshold voltage of setting, Δ v=vIt is real-vThreshold values, wThreshold valuesIt is expressed as the threshold temperature of setting, sThreshold valuesTable
It is shown as the humidity threshold values of setting, lThreshold valuesIt is expressed as the leakage current threshold values of setting, vThreshold valuesIt is expressed as the threshold voltage of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903765.4A CN108761293B (en) | 2018-08-09 | 2018-08-09 | Bus insulation state detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903765.4A CN108761293B (en) | 2018-08-09 | 2018-08-09 | Bus insulation state detection device |
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| CN108761293A true CN108761293A (en) | 2018-11-06 |
| CN108761293B CN108761293B (en) | 2021-01-05 |
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| CN201810903765.4A Active CN108761293B (en) | 2018-08-09 | 2018-08-09 | Bus insulation state detection device |
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Cited By (4)
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| CN109375059A (en) * | 2018-11-12 | 2019-02-22 | 国网山西省电力公司晋中供电公司 | A kind of high voltage power cable fault recognition method |
| WO2020192919A1 (en) * | 2019-03-28 | 2020-10-01 | Siemens Aktiengesellschaft | Method for maintaining an electrical component |
| CN113092944A (en) * | 2021-04-12 | 2021-07-09 | 广东电网有限责任公司江门供电局 | Insulation fault point detection method and related device for low-voltage line |
| CN117629414A (en) * | 2024-01-25 | 2024-03-01 | 国网辽宁省电力有限公司电力科学研究院 | Bus temperature detection device and method for mixed gas insulation substation |
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| CN108761293B (en) | 2021-01-05 |
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