CN102103162A - System for remotely monitoring leakage current of lightning arrester on line - Google Patents
System for remotely monitoring leakage current of lightning arrester on line Download PDFInfo
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- CN102103162A CN102103162A CN2009102644286A CN200910264428A CN102103162A CN 102103162 A CN102103162 A CN 102103162A CN 2009102644286 A CN2009102644286 A CN 2009102644286A CN 200910264428 A CN200910264428 A CN 200910264428A CN 102103162 A CN102103162 A CN 102103162A
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- leakage current
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- arrester
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 20
- 229960001296 zinc oxide Drugs 0.000 claims description 10
- 239000011787 zinc oxide Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000013518 transcription Methods 0.000 abstract 1
- 230000035897 transcription Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013523 data management Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
The invention discloses a system for remotely monitoring the leakage current of a lightning arrester on line, and relates to an improvement on the system for remotely monitoring the leakage current of the lightning arrester on line. The system comprises a data acquisition control device arranged on an acquisition device, and a leakage current signal processing circuit arranged on a near-end integrated automation system, wherein the data acquisition control device comprises a processor, a storage, a clock circuit, an analog-to-digital converter, a signal transceiving circuit and a far-end antenna which are connected; a preset safe current value, a comparison program for comparing the value of the acquired leakage current with the safe current value to control the work of the signal transceiving circuit, a control program for timely sending far-end leakage current data according to a near-end instruction, and a program for timely sending the leakage current data according to time set by the clock circuit are stored in the storage; the leakage current signal processing circuit comprises a signal centralized control transceiving circuit and a near-end antenna; and the signal centralized control transceiving circuit is connected with the integrated automation system. By the system, manual transcription is not needed, and the labor intensity of personnel is reduced.
Description
Technical field
The present invention relates to improvement to the leakage current of an arrester remote online monitoring system.
Background technology
According to the unwatched situation of current electric substation, the Zinc-Oxide Arrester register needs manually regularly to make a copy of, and has caused use, management inconvenience, and personnel labor intensity is very big, can not grasp timely and accurately the security of lightning arrester.According to investigation, go back in the market the neither one system can set pair the information such as Leakage Current of Zinc-Oxide Arrester gather, communication, preservation, management, share.
Summary of the invention
The present invention is directed to above problem, provide a kind of need not manually regularly to make a copy of, thereby reduced labour intensity greatly, and can guarantee the leakage current of an arrester remote online monitoring system of complex automatic system grasp field condition at any time, in time.
Technical scheme of the present invention is: comprise collector, described collector is connected between Zinc-Oxide Arrester and the ground, and collector comprises gathers leakage current of an arrester microampere order current transformer, leakage current table and power supply; It also comprises data acquisition control device that is arranged on the collector and the leakage current signal treatment circuit that is arranged on the near-end complex automatic system; Described data acquisition control device comprises interconnective processor, storer, clock circuit, analog to digital converter, signal transmitting and receiving circuit and far-end antenna, store default safety current value in the described storer, with the leakage current gathered with the safety current value compares and then control signal transmission circuit work whether comparison program, in time send the control program of far-end leakage current data and the program of in time leakage current data being sent according to the time of clock circuit setting according to the near-end instruction; Described leakage current signal treatment circuit comprises set of signals control transmission circuit and near-end antenna, and described set of signals control transmission circuit links to each other with complex automatic system.
Described power supply is solar cell or rechargeable battery.
The present invention is the measurement collection and the data management system of Leakage Current information, adopt microampere electrode current mutual inductor to gather leakage current of an arrester, utilize the novel radio transmission technology with the data of gathering to the public measurement and control unit of Synthetic Automation System of Transformer Substation, by existing dispatch automated system data transmission is arrived the dispatching automation main website, the dispatching and monitoring personnel can be monitored in real time.Need not manually to make a copy of, alleviated personnel's labour intensity greatly.The present invention realized transformer station's Zinc-Oxide Arrester Leakage Current in real time, remote monitoring, the running status of accurate and effective judgement Zinc-Oxide Arrester need not the people and makes a copy of leakage current to the scene, for the safe operation of converting equipment provides technological means.
Description of drawings
Fig. 1 is a user mode reference view of the present invention
1 is high-voltage conducting wires among the figure, the 2nd, and lead-in wire, the 3rd, lightning arrester, the 4th, data acquisition control device, the 5th, power supply.
Fig. 2 is the structured flowchart of data acquisition control device of the present invention
Fig. 3 is the schematic block diagram of near-end of the present invention (control end)
Embodiment
The present invention as Figure 1-3, comprise collector, described collector is connected on the lead-in wire 2 between Zinc-Oxide Arrester 3 and the ground (lightning arrester 3 links to each other with high-voltage conducting wires 1), and collector comprises gathers leakage current of an arrester microampere order current transformer, leakage current table and power supply 5; It also comprises data acquisition control device 4 that is arranged on the collector and the leakage current signal treatment circuit that is arranged on the near-end complex automatic system; Described data acquisition control device 4 comprises interconnective processor, storer, clock circuit, analog to digital converter, signal transmitting and receiving circuit and far-end antenna, store default safety current value in the described storer, with the leakage current gathered with the safety current value compares and then control signal transmission circuit work whether comparison program, in time send the control program of far-end leakage current data and the program of in time leakage current data being sent according to the time of clock circuit setting according to the near-end instruction; Described leakage current signal treatment circuit comprises set of signals control transmission circuit and near-end antenna, and described set of signals control transmission circuit links to each other with complex automatic system.
Described power supply 5 is solar cell or rechargeable battery.
The function of leakage current of an arrester monitoring terminal is to gather the leakage current of lightning arrester and its form with digital quantity is stored in the storer of terminal the collection of wait collector.Terminal does not generally initiatively send data to acquisition terminal; Solar electric power supply system comprises solar cell and accumulator.Carry out communication by wireless digital broadcasting station between terminal and the collector.
AD converter was measured the voltage after leakage current changes in per 30 minutes and is converted into digital quantity according to the instruction of clock circuit, and cpu is stored in these digital quantities and acquisition time in the data-carrier store.
Collector every day collected data with all monitoring terminals and call the survey time together on same day, left in the storer.Collector is connected with complex automatic system, and workstation can long-rangely read the leakage current data in the collector.Collector is stored in the leakage current data in the storer by the wireless telecommunications timing acquiring and it is stored in the storer, uses by complex automatic system and manages for long-range workstation.
Principle of work: native system is at first used the regularly value of lightning arrester Leakage Current of AD converting system, and it is left in the storer.
Characteristics of the present invention are: 1, can be to informations such as electric substation's Zinc-Oxide Arrester Leakage Currents. 2, this acquisition terminal is located at Zinc-Oxide Arrester monitor inside. 3, adopt the mode of solar cell+rechargeable battery that acquisition terminal is powered, the acquisition terminal power consumption is very low, can guarantee long time continuous working. 4, electric substation is carried out wireless arranging net with the new generation of wireless network, this wireless technology has low in energy consumption, anti-interference strong, the characteristics such as transfer rate is high, good confidentiality, agreement are simple, stable performance, can be used as the communication transfer means of this project fully. 5, in electric substation's night shift room, be provided with a gateway, connected with network cable network and electric substation's MIS place network 6, set up electric substation's Zinc-Oxide Arrester Leakage Current management information system, both can control acquisition terminal oxidisability arrester Leakage Current had been carried out Real-time Collection, and can the data that acquisition terminal transmits have been managed, share, the operation such as automatic report generation.
Claims (2)
1. a leakage current of an arrester remote online monitoring system comprises collector, and described collector is connected between Zinc-Oxide Arrester and the ground, and collector comprises gathers leakage current of an arrester microampere order current transformer, leakage current table and power supply; It is characterized in that it also comprises data acquisition control device that is arranged on the collector and the leakage current signal treatment circuit that is arranged on the near-end complex automatic system; Described data acquisition control device comprises interconnective processor, storer, clock circuit, analog to digital converter, signal transmitting and receiving circuit and far-end antenna, store default safety current value in the described storer, with the leakage current gathered with the safety current value compares and then control signal transmission circuit work whether comparison program, in time send the control program of far-end leakage current data and the program of in time leakage current data being sent according to the time of clock circuit setting according to the near-end instruction; Described leakage current signal treatment circuit comprises set of signals control transmission circuit and near-end antenna, and described set of signals control transmission circuit links to each other with complex automatic system.
2. a kind of leakage current of an arrester remote online monitoring system according to claim 1 is characterized in that described power supply is solar cell or rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102644286A CN102103162A (en) | 2009-12-22 | 2009-12-22 | System for remotely monitoring leakage current of lightning arrester on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102644286A CN102103162A (en) | 2009-12-22 | 2009-12-22 | System for remotely monitoring leakage current of lightning arrester on line |
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| Publication Number | Publication Date |
|---|---|
| CN102103162A true CN102103162A (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102644286A Pending CN102103162A (en) | 2009-12-22 | 2009-12-22 | System for remotely monitoring leakage current of lightning arrester on line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499762A (en) * | 2013-09-30 | 2014-01-08 | 河南开启电力实业有限公司 | Online detection device for leakage current of lightning arrester of power distribution network |
| CN104215815A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Leakage current monitoring device of lightning arrester |
| CN104950164A (en) * | 2015-05-25 | 2015-09-30 | 广东电网有限责任公司中山供电局 | Lightning overvoltage monitoring system for substation secondary system |
| CN107807266A (en) * | 2017-10-31 | 2018-03-16 | 国家电网公司 | Leakage current of an arrester remote online monitoring system |
-
2009
- 2009-12-22 CN CN2009102644286A patent/CN102103162A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499762A (en) * | 2013-09-30 | 2014-01-08 | 河南开启电力实业有限公司 | Online detection device for leakage current of lightning arrester of power distribution network |
| CN104215815A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Leakage current monitoring device of lightning arrester |
| CN104950164A (en) * | 2015-05-25 | 2015-09-30 | 广东电网有限责任公司中山供电局 | Lightning overvoltage monitoring system for substation secondary system |
| CN107807266A (en) * | 2017-10-31 | 2018-03-16 | 国家电网公司 | Leakage current of an arrester remote online monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: YANGZHOU POWER SUPPLY CO., JIANGSU PROV ELECTRIC P Effective date: 20121115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121115 Address after: 225801 members of the Baoying province Jiangsu County Road No. 288 Applicant after: Baoying County Power Supply Company of Jiangsu Electric Power Company Applicant after: Yangzhou Power Supply Company of Jiangsu Electric Power Company Applicant after: Jiangsu Electric Power Company Applicant after: State Grid Corporation of China Address before: 225801 members of the Baoying province Jiangsu County Road No. 288 Applicant before: Baoying County Power Supply Company of Jiangsu Electric Power Company |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110622 |