CN203101529U - On-line monitoring system of arrester - Google Patents

On-line monitoring system of arrester Download PDF

Info

Publication number
CN203101529U
CN203101529U CN 201220413226 CN201220413226U CN203101529U CN 203101529 U CN203101529 U CN 203101529U CN 201220413226 CN201220413226 CN 201220413226 CN 201220413226 U CN201220413226 U CN 201220413226U CN 203101529 U CN203101529 U CN 203101529U
Authority
CN
China
Prior art keywords
arrester
monitoring
line
line monitoring
observation circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220413226
Other languages
Chinese (zh)
Inventor
羊磊
潘存良
丁立云
其他发明人请求不公开姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Original Assignee
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC filed Critical State Grid Corp of China SGCC
Priority to CN 201220413226 priority Critical patent/CN203101529U/en
Application granted granted Critical
Publication of CN203101529U publication Critical patent/CN203101529U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

An on-line monitoring system of an arrester relates to the technical field of monitoring devices. The on-line monitoring system is characterized by consisting of an arrester on-line monitor arranged on a spot and monitoring management analysis software in a monitoring center, wherein the arrestor on-line monitor is arranged on the spot and used for monitoring the leakage current of the arrestor in real time by a sampling sensor and sending the leakage current condition to the monitoring center by an RS485 network, and the monitoring center is responsible for receiving the real-time monitoring value of the arrestor on-line monitor by the RS485 network and achieving the functions of real-time display of state parameters of the arrestor, historical data recording and contrastive analysis, prewarning and alarming, all-course recording of running state and report printing and parameter setting. The on-line monitoring system has the capabilities of making an accurate judgment on the running state of the arrester, preventing unnecessary accidents and dangers, greatly improving the safety of a power grid and guaranteeing ordered and normal life of people.

Description

Arrester on-line monitoring system
Technical field
The utility model is related to monitoring device technical field, and in particular to a kind of arrester on-line monitoring system. 
Background technology
The arrester of electric substation be the operation of protection power equipment safely, prevent the important protection device of lightning strike accident, and at arrester under high pressure can long-term safety operation, be the important content that security performance monitoring is carried out to arrester.To prevent that the insulation damages initiation blast of arrester aging or itself from causing large-area power-cuts, people take annual have a power failure to arrester and detect or sealed in the earth-return circuit of arrester 1 ammeter, using manual patrol, the reading of recording ammeter judges aging and the insulation damages degree of arrester. 
It fact proved, manually 24 h or make an inspection tour the reading of 1 primary current table weekly to monitor the deterioration condition of arrester, there is larger defect in the instantaneity for finding failure.The faster arrester of deterioration process it is entirely possible lower 1 time make an inspection tour before with regard to exploding, explosion accident the fact that similar had occurred multiple.Therefore, the online auto monitoring under arrester running status is solved, is that one of unattended important content of high-tension apparatus on-line condition monitoring for being badly in need of solving of electric substation is realized in power system. 
Utility model content
Technical problem to be solved in the utility model is the arrester on-line monitoring system for providing a kind of real-time display, historgraphic data recording and the comparative analysis of achievable arrester state parameter, early warning and alarm, running status whole process record and the function such as report printing. 
Technical problem to be solved in the utility model realized using following technical scheme,
A kind of arrester on-line monitoring system, it is characterised in that:The monitoring management analysis software for monitoring device and Surveillance center on-line by the arrester for being installed on scene is constituted, described arrester on-line monitoring device is installed at the scene, monitor the leakage current of arrester in real time by sampling detector, and Surveillance center is sent to by RS485 networks, Surveillance center is responsible to receive the real-time monitor value that arrester monitors device on-line by RS485 networks, realizes that arrester state parameter is shown in real time, historgraphic data recording and comparative analysis, early warning and alarm, running status whole process are recorded and report printing, parameter setting function. 
Described arrester on-line monitoring device is made up of a highly sensitive measurement sensor, high-precision preamplifier, total current observation circuit, current in resistance property observation circuit, total current display instrument, discharge counter, embedded system and the communication interfaces of RS 485. 
Described measurement sensor is connected to preamplifier, described preamplifier is connected to total current observation circuit, described total current observation circuit connection current in resistance property observation circuit, described current in resistance property observation circuit connection total current display instrument, described total current display instrument connection discharge counter, described discharge counter connection embedded system, described embedded system is connected to Surveillance center by RS485 communication interfaces. 
There are 3 arrester on-line monitoring devices in three-phase lightning protector monitoring system, in same stainless steel casing, powered using a Switching Power Supply, Monitoring Data is sent to by Surveillance center by the networks of RS 485. 
The beneficial effects of the utility model are: 
(1)System uses newest embedded Control technology and modern sensor detection technique, and system working stability, alarm are in time, accurately and reliably.  
(2)The unmanned on-line monitoring of transformer station's Zinc-Oxide Arrester equipment is realized, by monitoring current in resistance property or total current, the more accurate and effective operation safe condition for judging arrester. 
(3)Transformer station's Zinc-Oxide Arrester equipment operating data upload is realized, the meter reading of hurrying back and forth back and forth of operating personnel is reduced, greatly improves operating efficiency, enhance substation equipment intellectuality, networking is accumulated experience to improve substation automation level;Improve electric substation and run real-time level monitoring, reduce management cost. 
(4)Manage service data concentratedly, the running status to arrester makes accurate judgement, it is to avoid unnecessary accident and danger, substantially increases power grid security, ensure people's lives in order, normally. 
(5)System monitoring administrative analysis software can be linked with centralized control center of electric substation, sharing data resources, and can realize the management functions such as the real time print of arrester Condition Monitoring Data, analysis. 
Brief description of the drawings
Fig. 1 is the utility model functional-block diagram; 
Fig. 2 is that the utility model arrester monitors device functional-block diagram on-line. 
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with reference to being specifically illustrating, the utility model is expanded on further. 
As shown in Figure 1, a kind of arrester on-line monitoring system, the monitoring management analysis software for monitoring device and Surveillance center on-line by the arrester for being installed on scene is constituted, arrester on-line monitoring device is installed at the scene, monitor the leakage current of arrester in real time by sampling detector, and Surveillance center is sent to by RS485 networks, Surveillance center is responsible for receiving the real-time monitor value that arrester monitors device on-line by RS485 networks, realize that arrester state parameter is shown in real time, historgraphic data recording and comparative analysis, early warning and alarm, running status whole process record and report printing, parameter setting function. 
It is made up of as shown in Fig. 2 arrester monitors device on-line a highly sensitive measurement sensor, high-precision preamplifier, total current observation circuit, current in resistance property observation circuit, total current display instrument, discharge counter, embedded system and the communication interfaces of RS 485.Measurement sensor is connected to preamplifier, preamplifier is connected to total current observation circuit, total current observation circuit connects current in resistance property observation circuit, current in resistance property observation circuit connects total current display instrument, total current display instrument connects discharge counter, discharge counter connects embedded system, and embedded system is connected to Surveillance center by RS485 communication interfaces.There are 3 arrester on-line monitoring devices in three-phase lightning protector monitoring system, in same stainless steel casing, powered using a Switching Power Supply, Monitoring Data is sent to by Surveillance center by the networks of RS 485.The signal deteching circuit of arrester on-line monitoring device is made up of highly sensitive measurement sensor, high-precision preamplifier, total current observation circuit, current in resistance property observation circuit etc., to realize the accurate measurement to leakage current of an arrester, and due to using non-contacting current measurement mode, so as to solve the problems, such as the electrical isolation of high-tension apparatus current measurement. 
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.It should be understood by those skilled in the art that; the utility model is not restricted to the described embodiments; simply illustrate principle of the present utility model described in above-described embodiment and specification; on the premise of the utility model spirit and scope are not departed from; the utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed the utility model.Scope is claimed by appending claims and its equivalent thereof in the utility model. 

Claims (3)

1. arrester on-line monitoring system, it is characterised in that:Device is monitored on-line by the arrester for being installed on scene and Surveillance center constitutes, described arrester on-line monitoring device is installed at the scene, monitor the leakage current of arrester in real time by sampling detector, and Surveillance center is sent to by RS485 networks, Surveillance center is responsible for receiving the real-time monitor value that arrester monitors device on-line by RS485 networks.
2. arrester on-line monitoring system according to claim 1, it is characterised in that:Described arrester on-line monitoring device is made up of measurement sensor, preamplifier, total current observation circuit, current in resistance property observation circuit, total current display instrument, discharge counter, embedded system and the communication interfaces of RS 485.
3. arrester on-line monitoring system according to claim 2, it is characterised in that:Described measurement sensor is connected to preamplifier, described preamplifier is connected to total current observation circuit, described total current observation circuit connection current in resistance property observation circuit, described current in resistance property observation circuit connection total current display instrument, described total current display instrument connection discharge counter, described discharge counter connection embedded system, described embedded system is connected to Surveillance center by RS485 communication interfaces.
CN 201220413226 2012-08-20 2012-08-20 On-line monitoring system of arrester Expired - Fee Related CN203101529U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220413226 CN203101529U (en) 2012-08-20 2012-08-20 On-line monitoring system of arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220413226 CN203101529U (en) 2012-08-20 2012-08-20 On-line monitoring system of arrester

Publications (1)

Publication Number Publication Date
CN203101529U true CN203101529U (en) 2013-07-31

Family

ID=48852919

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220413226 Expired - Fee Related CN203101529U (en) 2012-08-20 2012-08-20 On-line monitoring system of arrester

Country Status (1)

Country Link
CN (1) CN203101529U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103472324A (en) * 2013-08-19 2013-12-25 国家电网公司 Zinc oxide lightning arrester live-line testing apparatus
CN104360138A (en) * 2014-11-21 2015-02-18 国家电网公司 Wireless remote transmission system for online monitoring of electric transmission line arrester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103472324A (en) * 2013-08-19 2013-12-25 国家电网公司 Zinc oxide lightning arrester live-line testing apparatus
CN104360138A (en) * 2014-11-21 2015-02-18 国家电网公司 Wireless remote transmission system for online monitoring of electric transmission line arrester

Similar Documents

Publication Publication Date Title
CN204330025U (en) Overground cable security of operation online monitoring system
CN104865489A (en) System and method for overhead line fault location and monitoring
CN102508074B (en) Internal overheat fault monitoring method of metal sealed gas-insulated switchgear
CN105259443A (en) Intelligent lightning-protection online real-time monitoring system
CN202159104U (en) Metal oxide lightning arrester on-line detection system
CN103674293A (en) Dry-type electric reactor temperature detection system
CN104714128A (en) Online arrester monitoring system
CN104360138A (en) Wireless remote transmission system for online monitoring of electric transmission line arrester
CN203101529U (en) On-line monitoring system of arrester
CN107171444A (en) A kind of real-time monitoring system of low-voltage distribution cabinet
CN108020737A (en) A kind of distribution line monitoring method
CN209657457U (en) A kind of Electrical Safety dynamic monitoring system
CN205157649U (en) Monitoring system for seal on insulating tubular busbar
CN105371967A (en) Power cable joint temperature measuring device
CN106405304A (en) On-line monitoring system for arrester
CN209342855U (en) A kind of cable insulation status diagnostic device
CN102841275A (en) On-line monitoring system of arrester
CN105162089A (en) Drop-type arrester remote monitoring system
CN110187196A (en) A kind of intelligent lightning protecting monitoring management system
CN205811660U (en) Electric power supervisory control remote viewing equipment abnormality remote alarming device
CN206088803U (en) Outer broken alarm device is prevented to power transmission line
CN201937242U (en) Monitoring device of surge protector
CN202050230U (en) Surge protector with monitoring function
CN201429663Y (en) On-line detection device for surge protector
CN107315382A (en) A kind of monitoring system of power transmission and transforming equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20180820

CF01 Termination of patent right due to non-payment of annual fee