CN108627724A - A kind of metal oxide arrester operating status digital monitoring system and method - Google Patents

A kind of metal oxide arrester operating status digital monitoring system and method Download PDF

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Publication number
CN108627724A
CN108627724A CN201810457199.9A CN201810457199A CN108627724A CN 108627724 A CN108627724 A CN 108627724A CN 201810457199 A CN201810457199 A CN 201810457199A CN 108627724 A CN108627724 A CN 108627724A
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CN
China
Prior art keywords
data
circuit
metal oxide
oxide arrester
operating status
Prior art date
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CN201810457199.9A
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Chinese (zh)
Inventor
马新攀
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郑州思辩科技有限公司
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Application filed by 郑州思辩科技有限公司 filed Critical 郑州思辩科技有限公司
Priority to CN201810457199.9A priority Critical patent/CN108627724A/en
Publication of CN108627724A publication Critical patent/CN108627724A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques

Abstract

The present invention relates to a kind of metal oxide arrester operating status digital monitoring systems, including data collection station and data server, data collection station is several, is connected with each other by communication network and data server, and mutually in parallel between each data collection station;Its application method includes equipment assembling, and system is prefabricated, and data collection and analysis and system are more.One aspect of the present invention can effectively improve the high efficiency and convenience acquired to metal oxide arrester running state data, and effectively overcomes complex electromagnetic environment interference in gathered data and data processing, sending link and acquire noise jamming phenomenon included in signal, on the other hand while greatly overcoming data transmission and generating low communication efficiency, transmission range section and loss of data phenomenon due to by electromagnetic interference, separately effectively raise the analytic operation operation to metal oxide arrester gathered data working efficiency and data analytic operation it is comprehensive.

Description

A kind of metal oxide arrester operating status digital monitoring system and method

Technical field

The present invention relates to a kind of metal oxide arrester operating status digital monitoring system and methods, belong to power technology neck Domain.

Background technology

Metal oxide arrester(Abbreviation MOA)It is superior because of its protective value, valve block and manufacture process at It is ripe, it is widely used in the power system, it is annual by the requirement of high-tension apparatus operating standard for the safe operation of power grid A flash test need to be done, in order to carry out the fault diagnosis of early stage to MOA.But with economy, the needs of cultural development, Power supply reliability and power quality to power grid require to be continuously improved, and annual power failure experiment is extremely difficult, especially high The safe operation contradiction of pressure transmission line, the power supply reliability and arrester that result in power grid becomes increasingly conspicuous.For this problem, Although the current system that the condition monitoring that largely may be implemented to work online to metal oxide arrester whole process has also been developed, But it is found in actual use, it is tight that currently used all kinds of monitoring systems have monitoring signal noise jamming in various degree The defects of weight, distorted signals, loss, insufficient continuity, on the other hand since metal oxide arrester working environment electromagnetism is dry It is serious to disturb phenomenon, to also easily cause in monitoring signal processing and data transfer procedure by serious interference, thus Cause low signal transmission efficiency, data serious interference, transmission effective distance short, loss of data phenomenon even occur when serious, To seriously affect the working efficiency and quality of monitoring operation, therefore there is an urgent need to develop a kind of completely new metal oxides to keep away Thunder device monitoring system and corresponding monitoring method, to meet the needs of actual use.

Invention content

The object of the invention, which is that, overcomes above-mentioned deficiency, provides a kind of metal oxide arrester operating status digital monitoring System and its application method.

To achieve the above object, the present invention is to be achieved through the following technical solutions:

A kind of metal oxide arrester operating status digital monitoring system, including data collection station and data server, number It is several according to acquisition terminal, it is connected with each other by communication network and data server, and between each data collection station mutually simultaneously Connection, data collection station include bearing base, protective cover, electro-magnetic screen layer, current transducer, voltage transmitter, waveform generation Circuit, Pulse induction device, RS-485 communication terminals, photoelectric isolating circuit, rectification circuit, regulating circuit, analog-to-digital conversion circuit, mould Intend filter, digital filter, driving circuit and the data processing circuit based on FPGA processor for core, wherein protective cover packet Bearing base upper surface is overlayed on, and closed housing structure is constituted with bearing base, electro-magnetic screen layer is at least one layer of, is embedded in protective cover Inner surface and bearing base upper surface, bearing base are evenly distributed in the upper surface from two directive slide tracks less, current transducer, voltage transmission Device, wave generator circuit, Pulse induction device, RS-485 communication terminals, photoelectric isolating circuit, rectification circuit, regulating circuit, modulus Conversion circuit, digital filter, driving circuit and based on FPGA processor be core data processing circuit pass through be oriented to slide Rail is mounted on bearing base, wherein current transducer, voltage transmitter, be all provided on the corresponding protective cover of RS-485 communication terminals Gathering hole, and current transducer, voltage transmitter, RS-485 communication terminals front end face are embedded in gathering hole, RS-485 communications Terminal and communication network are connected with each other, and current transducer, voltage transmitter and metal oxide arrester are electrically connected, photoelectricity every Rectification working group is constituted from circuit, rectification circuit, regulating circuit, photoelectric isolating circuit, rectification circuit, tune in rectification working group Mutual series-parallel connection between volt circuit, rectification working group respectively with current transducer, voltage transmitter and wave generator circuit, analog filtering Device is electrically connected, and analog filter connect with driving circuit and analog-to-digital conversion circuit electrical, analog-to-digital conversion circuit respectively with driving Circuit and digital filter electrical connection, digital filter are electric with driving circuit and wave generator circuit, Pulse induction device respectively Gas connect, wave generator circuit, Pulse induction device respectively with driving circuit be electrically connected, driving circuit separately with RS-485 communication terminals Son, current transducer, voltage transmitter, photoelectric isolating circuit, rectification circuit, regulating circuit and based on FPGA processor be core Data processing circuit electrical connection.

Further, the data server is to handle basic data processing server platform based on cloud.

Further, the communication network is any one in internet and Internet of Things.

Further, the current transducer, voltage transmitter and RS-485 communication terminals are at least one, and an electricity Flow transmitter and a voltage transmitter constitute a detection working group, each mutually parallel connection between detecting working group.

Further, the driving circuit is MOS drive circuit.

A kind of metal oxide arrester operating status digital monitoring system application method, includes the following steps:

The first step, equipment assembling build data server at upper management position, need to monitor each first as needed Metal oxide arrester at installation data acquisition terminal, and will be electrical between data collection station and metal oxide arrester Connection, while metal oxide arrester establishes data connection by communication network and data server;

Second step, system is prefabricated, after completing first step operation, typing Digital Signal Processing will divide first in data server It analyses algorithm, metal oxide arrester operating parameter parser, metal oxide arrester failure and prejudges parser, then It is spare in the data processing circuit of core based on FPGA processor that each algorithm, which is downloaded to respectively in each data collection station,;

Third walks, and data collection and analysis passes through each current transducer, electricity first when carrying out metal oxide arrester detection Pressure transmitter is to current value and voltage value under metal oxide arrester operation and standby mode, the electric current that then will be detected Value and voltage value carry out rectifying and pressure-regulating processing by rectification working group, then by one side of current value and voltage value after rectifying and pressure-regulating Face generates initial waveform figure by wave generator circuit, and by being protected based on the data processing circuit that FPGA processor is core It deposits and is sent in data server and save backup, be on the other hand filtered by analog filter, by filtered electric current Then on the one hand digital signal is delivered to based on FPGA processing by value and voltage value by analog-to-digital conversion circuit evolving digital signal Device be core data processing circuit in carry out analytic operation, digital signal waveform is on the other hand generated by wave generator circuit, Operating status when being worked metal oxide arrester by Pulse induction device carries out step-by-step counting, then respectively believes number On the one hand number waveform and counted number of pulses pass through carries out data analysis fortune based on the data processing circuit that FPGA processor is core It calculates, operation result is sent in data server and generates data analysis monitored results, on the other hand by digital signal waveform It is sent directly to be backed up in data server with counted number of pulses;

4th step, system update, in system operation, first according to using needs, in data server in second step The Digital Signal Processing parser of typing, metal oxide arrester operating parameter parser, metal oxide arrester Failure anticipation parser is revised and is updated, and metal oxide arrester overhaul of the equipments and data collection station are then utilized Working clearance, the data processing based on FPGA processor for core updated data being sent in each data collection station In circuit, and replace original data.

Further, in the second step, Digital Signal Processing parser includes nonuniform sampling algorithm, window function Selection, any one or a few in the interpolation in Fast Fourier Transform (FFT) and frequency share.

Further, in third step, digital signal waveform and counted number of pulses are sent directly to data server In when being backed up, the data of reception can separately be calculated in data server, and result of calculation and data are acquired eventually Checking computations are compared in the result of calculation at end.

Present device is simple in structure, flexible and convenient to use, and operation the degree of automation, intelligence degree are high, on the one hand may be used The high efficiency and convenience acquired to metal oxide arrester running state data is effectively improved, and effectively overcomes acquisition Complex electromagnetic environment interferes and acquires noise jamming phenomenon included in signal in data and data processing, sending link, from And data acquisition, operation and the reliability and convenience of transmitting operation are greatly improved, it on the other hand effectively raises and is Unite data communication capabilities and data capability, greatly overcome data transmission generated due to by electromagnetic interference communication efficiency it is low, While transmission range is short and loss of data phenomenon, the analysis to metal oxide arrester gathered data is separately effectively raised The working efficiency of operation operation and data analytic operation it is comprehensive, to be embodied as metal oxide arrester provide it is whole same Running state monitoring operation is walked, and the working efficiency and quality of data monitoring operation is greatly improved.

Description of the drawings

Fig. 1 is schematic structural view of the invention;

Fig. 2 is acquisition terminal structural schematic diagram;

Fig. 3 is acquisition terminal electronic schematic diagram;

Fig. 4 is process for using figure of the present invention.

Specific implementation mode

As shown in Fig. 1-3, a kind of metal oxide arrester operating status digital monitoring system, including data acquisition is eventually End and data server, data collection station is several, is connected with each other by communication network and data server, and each data are adopted Collect terminal room it is mutually in parallel, data collection station include bearing base 1, protective cover 2, electro-magnetic screen layer 3, current transducer 4, Voltage transmitter 5, wave generator circuit 6, Pulse induction device 7, RS-485 communication terminals 8, photoelectric isolating circuit 9, rectification circuit 10, regulating circuit 11, analog-to-digital conversion circuit 12, analog filter 13, digital filter 14, driving circuit 15 and based at FPGA The data processing circuit 16 that device is core is managed, wherein protective cover 2 is coated on 1 upper surface of bearing base, and is constituted with bearing base 1 Closed housing structure, electro-magnetic screen layer 3 is at least one layer of, is embedded in 1 upper surface of 2 inner surface of protective cover and bearing base, bearing base 1 It is evenly distributed in the upper surface from two directive slide tracks 17 less, current transducer 4, voltage transmitter 5, wave generator circuit 6, Pulse induction device 7, RS-485 communication terminals 8, photoelectric isolating circuit 9, rectification circuit 10, regulating circuit 11, analog-to-digital conversion circuit 12, analog filtering Device 13, digital filter 14, driving circuit 15 and based on FPGA processor be core data processing circuit 16 pass through guiding Sliding rail 17 is mounted on bearing base 1, wherein current transducer 4, voltage transmitter 5, the 8 corresponding protection of RS-485 communication terminals Gathering hole 18 is all provided on cover 2, and current transducer 4, voltage transmitter 5,8 front end face of RS-485 communication terminals are embedded in gathering hole In 18, RS-485 communication terminals 8 are connected with each other with communication network, and current transducer 4, voltage transmitter 5 are kept away with metal oxide Thunder device is electrically connected, photoelectric isolating circuit 9, rectification circuit 10, the composition rectification of regulating circuit 11 working group, in rectification working group Mutual series-parallel connection between photoelectric isolating circuit 9, rectification circuit 10, regulating circuit 11, rectification working group respectively with current transducer 4, electricity Pressure transmitter 5 and wave generator circuit 6, analog filter 13 are electrically connected, analog filter 13 and driving circuit 15 and modulus Conversion circuit 12 is electrically connected, and analog-to-digital conversion circuit 12 is electrically connected with driving circuit 15 and digital filter 14 respectively, number Filter 14 is electrically connected with driving circuit 15 and wave generator circuit 6, Pulse induction device 7 respectively, wave generator circuit 6, arteries and veins Rush inductor 7 respectively with driving circuit 15 be electrically connected, driving circuit 15 separately with RS-485 communication terminals 8, current transducer 4, Voltage transmitter 5, photoelectric isolating circuit 9, rectification circuit 10, regulating circuit 11 and based on FPGA processor be core data at Circuit 16 is managed to be electrically connected.

In the present embodiment, the data server is to handle basic data processing server platform based on cloud.

In the present embodiment, the communication network is any one in internet and Internet of Things.

In the present embodiment, the current transducer, voltage transmitter and RS-485 communication terminals are at least one, and one Current transducer and a voltage transmitter constitute a detection working group, each mutually parallel connection between detecting working group.

In the present embodiment, the driving circuit is MOS drive circuit.

As shown in figure 4, a kind of metal oxide arrester operating status digital monitoring system application method, including following step Suddenly:

The first step, equipment assembling build data server at upper management position, need to monitor each first as needed Metal oxide arrester at installation data acquisition terminal, and will be electrical between data collection station and metal oxide arrester Connection, while metal oxide arrester establishes data connection by communication network and data server;

Second step, system is prefabricated, and after completing first step operation, typing Digital Signal Processing is analyzed first in data server Algorithm, metal oxide arrester operating parameter parser, metal oxide arrester failure prejudge parser, then will It is spare in the data processing circuit of core based on FPGA processor that each algorithm, which is downloaded to respectively in each data collection station,;

Third walks, and data collection and analysis passes through each current transducer, electricity first when carrying out metal oxide arrester detection Pressure transmitter is to current value and voltage value under metal oxide arrester operation and standby mode, the electric current that then will be detected Value and voltage value carry out rectifying and pressure-regulating processing by rectification working group, then by one side of current value and voltage value after rectifying and pressure-regulating Face generates initial waveform figure by wave generator circuit, and by being protected based on the data processing circuit that FPGA processor is core It deposits and is sent in data server and save backup, be on the other hand filtered by analog filter, by filtered electric current Then on the one hand digital signal is delivered to based on FPGA processing by value and voltage value by analog-to-digital conversion circuit evolving digital signal Device be core data processing circuit in carry out analytic operation, digital signal waveform is on the other hand generated by wave generator circuit, Operating status when being worked metal oxide arrester by Pulse induction device carries out step-by-step counting, then respectively believes number On the one hand number waveform and counted number of pulses pass through carries out data analysis fortune based on the data processing circuit that FPGA processor is core It calculates, operation result is sent in data server and generates data analysis monitored results, on the other hand by digital signal waveform It is sent directly to be backed up in data server with counted number of pulses;

4th step, system update, in system operation, first according to using needs, in data server in second step The Digital Signal Processing parser of typing, metal oxide arrester operating parameter parser, metal oxide arrester Failure anticipation parser is revised and is updated, and metal oxide arrester overhaul of the equipments and data collection station are then utilized Working clearance, the data processing based on FPGA processor for core updated data being sent in each data collection station In circuit, and replace original data.

In the present embodiment, in the second step, Digital Signal Processing parser includes nonuniform sampling algorithm, window letter Any one or a few in interpolation in several selection, Fast Fourier Transform (FFT) and frequency shares.

In the present embodiment, in third step, digital signal waveform and counted number of pulses are sent directly to data service When being backed up in device, the data of reception can separately be calculated in data server, and result of calculation and data are acquired Checking computations are compared in the result of calculation of terminal.

Present device is simple in structure, flexible and convenient to use, and operation the degree of automation, intelligence degree are high, on the one hand may be used The high efficiency and convenience acquired to metal oxide arrester running state data is effectively improved, and effectively overcomes acquisition Complex electromagnetic environment interferes and acquires noise jamming phenomenon included in signal in data and data processing, sending link, from And data acquisition, operation and the reliability and convenience of transmitting operation are greatly improved, it on the other hand effectively raises and is It unites data communication capabilities and data capability, communication efficiency is generated greatly overcoming data transmission due to by electromagnetic interference While low, transmission range section and loss of data phenomenon, separately effectively raise to metal oxide arrester gathered data The working efficiency of analytic operation operation and data analytic operation it is comprehensive, to be embodied as metal oxide arrester provide it is complete Journey runs simultaneously condition monitoring operation, and the working efficiency and quality of data monitoring operation is greatly improved.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (8)

1. a kind of metal oxide arrester operating status digital monitoring system, it is characterised in that:The metal oxide is kept away Thunder device operating status digital monitoring system includes data collection station and data server, and the data collection station is several, It is connected with each other by communication network and data server, and mutually in parallel between each data collection station, the data are adopted It includes bearing base, protective cover, electro-magnetic screen layer, current transducer, voltage transmitter, wave generator circuit, pulse to collect terminal Inductor, RS-485 communication terminals, photoelectric isolating circuit, rectification circuit, regulating circuit, analog-to-digital conversion circuit, analog filter, Digital filter, driving circuit and based on the data processing circuit that FPGA processor is core, wherein the protective cover cladding Closed housing structure is constituted in bearing base upper surface, and with bearing base, the electro-magnetic screen layer is at least one layer of, embedded in anti- Shield inner surface and bearing base upper surface, the bearing base are evenly distributed in the upper surface from two directive slide tracks less, the electricity Flow transmitter, voltage transmitter, wave generator circuit, Pulse induction device, RS-485 communication terminals, photoelectric isolating circuit, rectification Circuit, regulating circuit, analog-to-digital conversion circuit, digital filter, driving circuit and based on FPGA processor be core data at It manages circuit to be mounted on bearing base by directive slide track, wherein the current transducer, voltage transmitter, RS-485 are logical It is all provided with gathering hole on the corresponding protective cover of news terminal, and current transducer, voltage transmitter, RS-485 communication terminal front end faces are equal In gathering hole, the RS-485 communication terminals are connected with each other with communication network, the current transducer, voltage transmission Device is electrically connected with metal oxide arrester, and the photoelectric isolating circuit, rectification circuit, regulating circuit constitute rectification work Group, mutual series-parallel connection between the photoelectric isolating circuit, rectification circuit, regulating circuit in rectification working group, the rectification work component Not with current transducer, voltage transmitter and wave generator circuit, analog filter be electrically connected, the analog filter with Driving circuit is connected with analog-to-digital conversion circuit electrical, and the analog-to-digital conversion circuit is electric with driving circuit and digital filter respectively Gas connects, and the digital filter is electrically connected with driving circuit and wave generator circuit, Pulse induction device respectively, described Wave generator circuit, Pulse induction device respectively with driving circuit be electrically connected, the driving circuit separately with RS-485 communication terminals Son, current transducer, voltage transmitter, photoelectric isolating circuit, rectification circuit, regulating circuit and based on FPGA processor be core Data processing circuit electrical connection.
2. a kind of metal oxide arrester operating status digital monitoring system according to claim 1, it is characterised in that: The data server is to handle basic data processing server platform based on cloud.
3. a kind of metal oxide arrester operating status digital monitoring system according to claim 1, it is characterised in that: The communication network is any one in internet and Internet of Things.
4. a kind of metal oxide arrester operating status digital monitoring system according to claim 1, it is characterised in that: The current transducer, voltage transmitter and RS-485 communication terminals are at least one, and a current transducer and an electricity Pressure transmitter constitutes a detection working group, each mutually parallel connection between detecting working group.
5. a kind of metal oxide arrester operating status digital monitoring system according to claim 1, it is characterised in that: The driving circuit is MOS drive circuit.
6. a kind of metal oxide arrester operating status digital monitoring system application method, it is characterised in that:The metal Oxide Arrester operating status digital monitoring system application method includes the following steps:
The first step, equipment assembling build data server at upper management position, need to monitor each first as needed Metal oxide arrester at installation data acquisition terminal, and will be electrical between data collection station and metal oxide arrester Connection, while metal oxide arrester establishes data connection by communication network and data server;
Second step, system is prefabricated, after completing first step operation, typing Digital Signal Processing will divide first in data server It analyses algorithm, metal oxide arrester operating parameter parser, metal oxide arrester failure and prejudges parser, then It is spare in the data processing circuit of core based on FPGA processor that each algorithm, which is downloaded to respectively in each data collection station,;
Third walks, and data collection and analysis passes through each current transducer, electricity first when carrying out metal oxide arrester detection Pressure transmitter is to current value and voltage value under metal oxide arrester operation and standby mode, the electric current that then will be detected Value and voltage value carry out rectifying and pressure-regulating processing by rectification working group, then by one side of current value and voltage value after rectifying and pressure-regulating Face generates initial waveform figure by wave generator circuit, and by being protected based on the data processing circuit that FPGA processor is core It deposits and is sent in data server and save backup, be on the other hand filtered by analog filter, by filtered electric current Then on the one hand digital signal is delivered to based on FPGA processing by value and voltage value by analog-to-digital conversion circuit evolving digital signal Device be core data processing circuit in carry out analytic operation, digital signal waveform is on the other hand generated by wave generator circuit, Operating status when being worked metal oxide arrester by Pulse induction device carries out step-by-step counting, then respectively believes number On the one hand number waveform and counted number of pulses pass through carries out data analysis fortune based on the data processing circuit that FPGA processor is core It calculates, operation result is sent in data server and generates data analysis monitored results, on the other hand by digital signal waveform It is sent directly to be backed up in data server with counted number of pulses;
4th step, system update, in system operation, first according to using needs, in data server in second step The Digital Signal Processing parser of typing, metal oxide arrester operating parameter parser, metal oxide arrester Failure anticipation parser is revised and is updated, and metal oxide arrester overhaul of the equipments and data collection station are then utilized Working clearance, the data processing based on FPGA processor for core updated data being sent in each data collection station In circuit, and replace original data.
7. a kind of metal oxide arrester operating status digital monitoring system application method according to claim 6, It is characterized in that:In the second step, Digital Signal Processing parser include nonuniform sampling algorithm, window function selection, Any one or a few in interpolation in Fast Fourier Transform (FFT) and frequency shares.
8. a kind of metal oxide arrester operating status digital monitoring system application method according to claim 6, It is characterized in that:In the described third step, digital signal waveform and counted number of pulses are sent directly to carry out in data server standby Part when, the data of reception can separately be calculated in data server, and by the calculating of result of calculation and data collection station As a result checking computations are compared.
CN201810457199.9A 2018-05-14 2018-05-14 A kind of metal oxide arrester operating status digital monitoring system and method CN108627724A (en)

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CN104330615A (en) * 2014-10-31 2015-02-04 南京世都科技有限公司 Multi-phase measuring device of lightning arrester and transformer based on FFT algorithm and method thereof
CN204789839U (en) * 2015-05-12 2015-11-18 广东电网有限责任公司东莞供电局 Zinc oxide arrester live test appearance
CN106546859A (en) * 2016-12-08 2017-03-29 国家电网公司 A kind of on-line monitoring system for cable arrester
CN107991548A (en) * 2017-11-09 2018-05-04 上海格蒂电力科技有限公司 A kind of arrester on-line monitoring system and control method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1811477A (en) * 2006-02-15 2006-08-02 上海涌能电力科技发展有限公司 Lightning arrester leakage current and action frequency real-time monitoring system
CN201213351Y (en) * 2008-06-18 2009-03-25 中兴通讯股份有限公司 Shielding cover for electromagnetically shielding circuit board and electronic device
CN201344961Y (en) * 2008-12-16 2009-11-11 河海大学常州校区 Remote wireless security monitoring device for distributed lightening arresters
CN101581748A (en) * 2009-06-24 2009-11-18 西安工程大学 Zinc oxide arrester on-line monitoring system
CN202041575U (en) * 2010-12-15 2011-11-16 云南电力试验研究院(集团)有限公司 Condition monitoring system for zinc oxide lightning arrester
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CN104330615A (en) * 2014-10-31 2015-02-04 南京世都科技有限公司 Multi-phase measuring device of lightning arrester and transformer based on FFT algorithm and method thereof
CN204789839U (en) * 2015-05-12 2015-11-18 广东电网有限责任公司东莞供电局 Zinc oxide arrester live test appearance
CN106546859A (en) * 2016-12-08 2017-03-29 国家电网公司 A kind of on-line monitoring system for cable arrester
CN107991548A (en) * 2017-11-09 2018-05-04 上海格蒂电力科技有限公司 A kind of arrester on-line monitoring system and control method

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