CN105891691A - Distributed local discharge detection and early warning system for high-voltage switch cabinet - Google Patents
Distributed local discharge detection and early warning system for high-voltage switch cabinet Download PDFInfo
- Publication number
- CN105891691A CN105891691A CN201610481136.8A CN201610481136A CN105891691A CN 105891691 A CN105891691 A CN 105891691A CN 201610481136 A CN201610481136 A CN 201610481136A CN 105891691 A CN105891691 A CN 105891691A
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- China
- Prior art keywords
- switch cabinet
- early warning
- warning system
- input
- discharge detection
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a distributed local discharge detection and early warning system for a high-voltage switch cabinet. The system comprises a controller, wherein the controller is in two-way connection with a data comparison module; the output end of the controller is connected with the input end of a display; the input end of the data comparison module is connected with the output end of a peak holding unit through an analogue-to-digital converter; the input end of the peak holding unit is connected with the output end of a voltage transformer through a filtering unit; the output end of the data comparison module is connected with the input end of a microprocessor through a feedback module. According to the local discharge detection and early warning system for the high-voltage switch cabinet, whether power equipment has a local discharge phenomenon or not can be detected, and under the condition of local discharge of the power equipment, a buzzer alarm is driven by the microprocessor to give a buzzing alarm, and meanwhile, an alarm is remotely given to make personnel timely know the condition through a wireless router, so that the effect of reducing accidents can be achieved.
Description
Technical field
The present invention relates to technical field of electric power, the distributed Partial Discharge Detection early warning system of a kind of high-tension switch cabinet.
Background technology
Along with developing rapidly and the proposition of China's intelligent grid construction of China's power system, more and more urgent to the comprehensive on-line monitoring and fault diagonosing technical need of intelligent grid, the links application smart machine in power system will become the focus of following power network development research.
Power system transmission voltage is constantly in increasing state at present, and the raising of voltage causes shelf depreciation problem to become increasingly conspicuous, detects that shelf depreciation problem is highly important the most in time.
Summary of the invention
It is an object of the invention to provide the distributed Partial Discharge Detection early warning system of a kind of high-tension switch cabinet, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: the distributed Partial Discharge Detection early warning system of a kind of high-tension switch cabinet, including controller, described controller is bi-directionally connected with comparing module, the outfan of described controller is connected with the input of display, the input of described comparing module is connected with the outfan of peak value holding unit by analog-digital converter, and the input of described peak value holding unit is connected with the outfan of voltage transformer by filter unit.
The outfan of described comparing module is connected with the input of microprocessor by feedback module, one of them outfan of described microprocessor is connected with the input of buzzer siren, and another outfan of described microprocessor is connected with the input of remote mobile terminal by wireless router.
Preferably, described peak value holding unit is peak holding circuit.
Preferably, described remote mobile terminal is mobile phone, computer one therein.
Compared with prior art, the invention has the beneficial effects as follows: the distributed Partial Discharge Detection early warning system of this high-tension switch cabinet, first pass through the voltage transformer detection to high-tension switch cabinet shelf depreciation, pass through controller again, comparing module, feedback module and the cooperation of microprocessor, gained voltage data value and predetermined minimum will be detected in real time, maximum is compared, if showing after comparison, detection gained voltage data value less than predetermined minimum or exceedes preset maximum value in real time, then show that this equipment exists the phenomenon of shelf depreciation, buzzing alarming is sent again by microprocessor driven buzzer siren, carry out remote alarms by wireless router simultaneously, make the timely Awareness status of staff, reach to reduce the effect that accident occurs.
In sum: the distributed Partial Discharge Detection early warning system of this high-tension switch cabinet, can detect whether power equipment exists the phenomenon of shelf depreciation, if there is shelf depreciation situation in power equipment, buzzing alarming is sent by microprocessor driven buzzer siren, carry out remote alarms by wireless router simultaneously, make the timely Awareness status of staff, reach to reduce the effect that accident occurs.
Accompanying drawing explanation
Fig. 1 is present system structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, the present invention provides a kind of technical scheme: the distributed Partial Discharge Detection early warning system of a kind of high-tension switch cabinet, including controller, controller is bi-directionally connected with comparing module, the outfan of controller is connected with the input of display, the input of comparing module is connected with the outfan of peak value holding unit by analog-digital converter, and the input of peak value holding unit is connected with the outfan of voltage transformer by filter unit.
The outfan of comparing module is connected with the input of microprocessor by feedback module, one of them outfan of microprocessor is connected with the input of buzzer siren, and another outfan of microprocessor is connected with the input of remote mobile terminal by wireless router.
In the present invention, peak value holding unit is peak holding circuit；Remote mobile terminal is mobile phone, computer one therein.
Before the present invention uses, staff is sent by controller and meets minimum voltage data when power equipment runs and maximum voltage data in comparing module, as the predetermined minimum in comparing module, preset maximum value, predetermined minimum, preset maximum value are to detect two comparison value of gained magnitude of voltage during power equipment operation in real time.
When the present invention uses, the distributed Partial Discharge Detection early warning system of this high-tension switch cabinet, first pass through the voltage transformer detection to high-tension switch cabinet shelf depreciation, pass through controller again, comparing module, feedback module and the cooperation of microprocessor, gained voltage data value and predetermined minimum will be detected in real time, maximum is compared, if showing after comparison, detection gained voltage data value less than predetermined minimum or exceedes preset maximum value in real time, then show that this equipment exists the phenomenon of shelf depreciation, buzzing alarming is sent again by microprocessor driven buzzer siren, carry out remote alarms by wireless router simultaneously, make the timely Awareness status of staff, reach to reduce the effect that accident occurs.
In sum: the distributed Partial Discharge Detection early warning system of this high-tension switch cabinet, can detect whether power equipment exists the phenomenon of shelf depreciation, if there is shelf depreciation situation in power equipment, buzzing alarming is sent by microprocessor driven buzzer siren, carry out remote alarms by wireless router simultaneously, make the timely Awareness status of staff, reach to reduce the effect that accident occurs.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention be defined by the appended.
Claims (3)
1. the distributed Partial Discharge Detection early warning system of a high-tension switch cabinet, including controller, it is characterized in that: described controller is bi-directionally connected with comparing module, the outfan of described controller is connected with the input of display, the input of described comparing module is connected with the outfan of peak value holding unit by analog-digital converter, and the input of described peak value holding unit is connected with the outfan of voltage transformer by filter unit；
The outfan of described comparing module is connected with the input of microprocessor by feedback module, one of them outfan of described microprocessor is connected with the input of buzzer siren, and another outfan of described microprocessor is connected with the input of remote mobile terminal by wireless router.
The distributed Partial Discharge Detection early warning system of a kind of high-tension switch cabinet the most according to claim 1, it is characterised in that: described peak value holding unit is peak holding circuit.
The distributed Partial Discharge Detection early warning system of a kind of high-tension switch cabinet the most according to claim 1, it is characterised in that: described remote mobile terminal is mobile phone, computer one therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481136.8A CN105891691A (en) | 2016-06-28 | 2016-06-28 | Distributed local discharge detection and early warning system for high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481136.8A CN105891691A (en) | 2016-06-28 | 2016-06-28 | Distributed local discharge detection and early warning system for high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105891691A true CN105891691A (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610481136.8A Pending CN105891691A (en) | 2016-06-28 | 2016-06-28 | Distributed local discharge detection and early warning system for high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105891691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918825A (en) * | 2018-06-26 | 2018-11-30 | 合肥赑歌数据科技有限公司 | Soil moisture content analysis system based on video |
| CN111829589A (en) * | 2020-07-16 | 2020-10-27 | 湖北航天保华科技股份有限公司 | Anti-interference self-checking system of military electric cabinet in complex environment |
-
2016
- 2016-06-28 CN CN201610481136.8A patent/CN105891691A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918825A (en) * | 2018-06-26 | 2018-11-30 | 合肥赑歌数据科技有限公司 | Soil moisture content analysis system based on video |
| CN111829589A (en) * | 2020-07-16 | 2020-10-27 | 湖北航天保华科技股份有限公司 | Anti-interference self-checking system of military electric cabinet in complex environment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
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| WD01 | Invention patent application deemed withdrawn after publication |