CN202602369U - Leakage current abnormity remote alarm device of distribution transformer station area arrester - Google Patents

Leakage current abnormity remote alarm device of distribution transformer station area arrester Download PDF

Info

Publication number
CN202602369U
CN202602369U CN2012201358000U CN201220135800U CN202602369U CN 202602369 U CN202602369 U CN 202602369U CN 2012201358000 U CN2012201358000 U CN 2012201358000U CN 201220135800 U CN201220135800 U CN 201220135800U CN 202602369 U CN202602369 U CN 202602369U
Authority
CN
China
Prior art keywords
circuit
leakage current
arrester
signal
output
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
CN2012201358000U
Other languages
Chinese (zh)
Inventor
陈家斌
张露江
季宏
陈蕾
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.)
Zhumadian Power Supply Co of Henan Electric Power Co
Original Assignee
Zhumadian Power Supply Co of Henan Electric Power Co
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 Zhumadian Power Supply Co of Henan Electric Power Co filed Critical Zhumadian Power Supply Co of Henan Electric Power Co
Priority to CN2012201358000U priority Critical patent/CN202602369U/en
Application granted granted Critical
Publication of CN202602369U publication Critical patent/CN202602369U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The utility model discloses a leakage current abnormity remote alarm device of a distribution transformer station area arrester. The leakage current abnormity remote alarm device of a distribution transformer station area arrester comprises the components as following: a leakage current signal data acquisition circuit, which is used for acquiring leakage current signals from an arrester leakage current on-line monitoring circuit; a signal data calculating determination circuit, which is used for calculating the current signals acquired by the leakage current signal data acquisition circuit to determine whether the arrester leakage current exceeds a set value, and wherein the signal of the current exceeding the set value is transmitted to a remote alarm communication circuit; and the remote alarm communication circuit, which is used for transmitting the signal of the arrester leakage current exceeding the set value output by the signal data calculating determination circuit to a distribution network power supply intelligent control center and/or the handset of a duty electrician. According to the utility model, the leakage current of a 10 to 20 kV distribution transformer station area arrester of an electric power system is monitored in real time, the labor intensity of the work personnel is minimized, normal power supply for a user is guaranteed, the power supply reliability is raised, and the damage rate of power supply equipment is reduced.

Description

A kind of distribution transformer platform district unusual distant place of leakage current of an arrester warning device
Technical field
The utility model relates to a kind of distant place warning device, relates in particular to a kind of unusual distant place of leakage current of an arrester warning device that is applicable to electric power system 10 ~ 20kV distribution transformer platform district.
Background technology
At present, the intelligent grid construction is carried out in China's electric power system comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management and intellectual analysis.Wherein, for the unusual distant place of the leakage current of an arrester alarm technique research in electric power system 10 ~ 20kV distribution transformer platform district, also be an important part in the intelligent popularization and application of electrical network.
China can't realize real-time monitoring at the leakage current of an arrester that install in electric power system 10 ~ 20kV distribution transformer platform district of operation.When lightning arrester breaks down, as leakage current taking place when unusual, only reliable power supply operator on duty goes to carry out equipment inspection, after the discovery lightning arrester breaks down, keeps in repair again.The method of this artificial maintenance causes the repair time long, and intensity of workers is big, has influence on user's normal power supply simultaneously, has reduced power supply reliability, has increased the spoilage of power supply unit.
The utility model content
The purpose of the utility model provides a kind of distribution transformer platform district unusual distant place of leakage current of an arrester warning device; Can realize the leakage current of electric power system 10 ~ 20kV distribution transformer platform district lightning arrester is monitored in real time; Reduce intensity of workers; Guarantee user's normal power supply, improve power supply reliability, reduce the power supply unit spoilage.
The utility model adopts following technical proposals:
A kind of distribution transformer platform district unusual distant place of leakage current of an arrester warning device comprises the leakage current signal data acquisition circuit, is used for gathering the leakage current signal data from leakage current of an arrester on-line monitoring circuit; Signal data calculates decision circuitry, is used for the current signal that the leakage current signal data acquisition circuit collects is calculated, and judges that whether leakage current of an arrester surpasses set point, and will be sent to distant place alarm communication circuit above duty setting signal; Distant place alarm communication circuit is used for that the leakage current of an arrester that signal data calculates decision circuitry output is surpassed duty setting signal and is sent to distribution supply intelligent control centre and/or shift electrician's mobile phone.
Described leakage current signal data acquisition circuit comprises the leakage current monitor circuit; The input of leakage current monitor circuit connects lightning arrester body lower end terminals; The earth terminal of leakage current monitor circuit connects earthing of lightening arrester, and the output of leakage current monitor circuit connects the input that signal data calculates decision circuitry.
Described signal data calculates decision circuitry and comprises the A/D change-over circuit, calculates decision circuitry, executive circuit; The signal input part of said A/D change-over circuit connects the output of leakage current monitor circuit; The signal output part of A/D change-over circuit connects the signal input part that calculates decision circuitry, and the signal output part that calculates decision circuitry connects the signal input part of executive circuit.
Described executive circuit comprises CPU, relay drive circuit and relay; The input of CPU connects the signal output part that calculates decision circuitry; The output of CPU is through relay drive circuit control connection relay coil, and the normally opened contact of relay is connected on the alarm communication circuit of a distant place.
Described distant place alarm communication circuit comprises optical fibre communication cable circuit and/or radio communication circuit.
Described optical fibre communication cable circuit comprises fiber optic cables and the optical transmission circuit that is used for the signal of telecommunication is changed into light signal; The normally opened contact of described relay is connected on the power circuit of optical transmission circuit; The output of optical transmission circuit connects the input of fiber optic cables, and the output of fiber optic cables connects distribution supply intelligent control centre.
Described radio communication circuit comprises signal input circuit, coding circuit and radiating circuit; The normally opened contact of described relay is connected on the power circuit of signal input circuit; The output of signal input circuit connects the input of coding circuit; The output of coding circuit connects the input of radiating circuit, radiating circuit and distribution supply intelligent control centre and/or shift electrician's mobile phone wireless communication coupling.
The utility model can be monitored the leakage current of electric power system 10 ~ 20kV distribution transformer platform district lightning arrester in real time; When lightning arrester generation leakage current is unusual, can in time notify the staff; Reduce intensity of workers; Guarantee user's normal power supply, improve power supply reliability, reduce the power supply unit spoilage.
Description of drawings
Fig. 1 is the theory diagram of the utility model;
Fig. 2 is the theory diagram of the said leakage current signal data acquisition circuit of the utility model;
Fig. 3 is the theory diagram that the said signal data of the utility model calculates decision circuitry;
Fig. 4 is the theory diagram of the said optical fibre communication cable circuit of the utility model;
Fig. 5 is the theory diagram of the said radio communication circuit of the utility model.
Embodiment
Extremely shown in Figure 5 like Fig. 1; The utility model comprises that leakage current signal data acquisition circuit, signal data calculate decision circuitry and distant place alarm communication circuit; The output of leakage current signal data acquisition circuit connects the input that signal data calculates decision circuitry; Signal data calculates the input of the output connection distant place alarm communication circuit of decision circuitry, and distant place alarm communication circuit connects distribution supply intelligent control centre and/or shift electrician's mobile phone.
Described leakage current signal data acquisition circuit is used for gathering the leakage current signal data from leakage current of an arrester on-line monitoring circuit.The leakage current signal data acquisition circuit comprises the leakage current monitor circuit; The input of leakage current monitor circuit connects lightning arrester body lower end terminals; Lightning arrester body upper end terminals connection line phase line; The earth terminal of leakage current monitor circuit connects earthing of lightening arrester, and the output of leakage current monitor circuit connects the input that signal data calculates decision circuitry.
Described signal data calculates decision circuitry, is used for the current signal that the leakage current signal data acquisition circuit collects is calculated, and judges that whether leakage current of an arrester surpasses set point, and will be sent to distant place alarm communication circuit above duty setting signal.Signal data calculates decision circuitry and comprises the A/D change-over circuit, calculates decision circuitry, executive circuit; The signal input part of said A/D change-over circuit connects the output of leakage current monitor circuit; The signal output part of A/D change-over circuit connects the signal input part that calculates decision circuitry, and the signal output part that calculates decision circuitry connects the signal input part of executive circuit.Described executive circuit comprises CPU, relay drive circuit and relay; The input of CPU connects the signal output part that calculates decision circuitry; The output of CPU is through relay drive circuit control connection relay coil, and the normally opened contact of relay is connected on the alarm communication circuit of a distant place.CPU can adopt single-chip microcomputer.
Described distant place alarm communication circuit is used for that the leakage current of an arrester that signal data calculates decision circuitry output is surpassed duty setting signal and is sent to distribution supply intelligent control centre or shift electrician's mobile phone.Distant place alarm communication circuit can adopt optical fibre communication cable circuit and/or radio communication circuit.The optical fibre communication cable circuit comprises fiber optic cables and the optical transmission circuit that is used for the signal of telecommunication is changed into light signal; The normally opened contact of described relay is connected on the power circuit of optical transmission circuit; The output of optical transmission circuit connects the input of fiber optic cables, and the output of fiber optic cables connects distribution supply intelligent control centre.Radio communication circuit comprises signal input circuit, coding circuit and radiating circuit; The normally opened contact of described relay is connected on the power circuit of signal input circuit; The output of signal input circuit connects the input of coding circuit; The output of coding circuit connects the input of radiating circuit, radiating circuit and distribution supply intelligent control centre and/or shift electrician's mobile phone wireless communication coupling.
The utility model is when work; The leakage current monitor circuit is installed from lightning arrester body and is gathered the leakage current signal data the circuit; And the leakage current signal data that collect are sent to signal data calculate decision circuitry; Signal data calculates decision circuitry and judges whether leakage current of an arrester surpasses set point, if leakage current of an arrester surpasses set point, CPU is through relay drive circuit control relay coil electricity; The normally opened contact of relay is closed; The power circuit of optical transmission circuit and/or the power circuit conducting of signal input circuit in the alarm communication circuit of a distant place at this moment, alarm signal can be sent to distribution supply intelligent control centre and/or shift electrician's mobile phone through fiber optic cables and/or radiating circuit, and the prompting staff keeps in repair.
Above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.

Claims (7)

1. a distribution transformer platform district unusual distant place of leakage current of an arrester warning device is characterized in that: comprise the leakage current signal data acquisition circuit, be used for gathering the leakage current signal data from leakage current of an arrester on-line monitoring circuit; Signal data calculates decision circuitry, is used for the current signal that the leakage current signal data acquisition circuit collects is calculated, and judges that whether leakage current of an arrester surpasses set point, and will be sent to distant place alarm communication circuit above duty setting signal; Distant place alarm communication circuit is used for that the leakage current of an arrester that signal data calculates decision circuitry output is surpassed duty setting signal and is sent to distribution supply intelligent control centre and/or shift electrician's mobile phone.
2. the distribution transformer platform according to claim 1 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described leakage current signal data acquisition circuit comprises the leakage current monitor circuit; The input of leakage current monitor circuit connects lightning arrester body lower end terminals; The earth terminal of leakage current monitor circuit connects earthing of lightening arrester, and the output of leakage current monitor circuit connects the input that signal data calculates decision circuitry.
3. the distribution transformer platform according to claim 2 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described signal data calculates decision circuitry and comprises the A/D change-over circuit, calculates decision circuitry, executive circuit; The signal input part of said A/D change-over circuit connects the output of leakage current monitor circuit; The signal output part of A/D change-over circuit connects the signal input part that calculates decision circuitry, and the signal output part that calculates decision circuitry connects the signal input part of executive circuit.
4. the distribution transformer platform according to claim 3 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described executive circuit comprises CPU, relay drive circuit and relay; The input of CPU connects the signal output part that calculates decision circuitry; The output of CPU is through relay drive circuit control connection relay coil, and the normally opened contact of relay is connected on the alarm communication circuit of a distant place.
5. the distribution transformer platform according to claim 4 district unusual distant place of leakage current of an arrester warning device is characterized in that: described distant place alarm communication circuit comprises optical fibre communication cable circuit and/or radio communication circuit.
6. the distribution transformer platform according to claim 5 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described optical fibre communication cable circuit comprises fiber optic cables and the optical transmission circuit that is used for the signal of telecommunication is changed into light signal; The normally opened contact of described relay is connected on the power circuit of optical transmission circuit; The output of optical transmission circuit connects the input of fiber optic cables, and the output of fiber optic cables connects distribution supply intelligent control centre.
7. the distribution transformer platform according to claim 5 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described radio communication circuit comprises signal input circuit, coding circuit and radiating circuit; The normally opened contact of described relay is connected on the power circuit of signal input circuit; The output of signal input circuit connects the input of coding circuit; The output of coding circuit connects the input of radiating circuit, radiating circuit and distribution supply intelligent control centre and/or shift electrician's mobile phone wireless communication coupling.
CN2012201358000U 2012-04-01 2012-04-01 Leakage current abnormity remote alarm device of distribution transformer station area arrester Expired - Fee Related CN202602369U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201358000U CN202602369U (en) 2012-04-01 2012-04-01 Leakage current abnormity remote alarm device of distribution transformer station area arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201358000U CN202602369U (en) 2012-04-01 2012-04-01 Leakage current abnormity remote alarm device of distribution transformer station area arrester

Publications (1)

Publication Number Publication Date
CN202602369U true CN202602369U (en) 2012-12-12

Family

ID=47319883

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201358000U Expired - Fee Related CN202602369U (en) 2012-04-01 2012-04-01 Leakage current abnormity remote alarm device of distribution transformer station area arrester

Country Status (1)

Country Link
CN (1) CN202602369U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102624092A (en) * 2012-04-01 2012-08-01 河南省电力公司驻马店供电公司 Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102624092A (en) * 2012-04-01 2012-08-01 河南省电力公司驻马店供电公司 Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone

Similar Documents

Publication Publication Date Title
CN201699481U (en) Intelligent controller of 10-20kV section switch
US20120327989A1 (en) Smart feed line automation system based on 10kv carrier communication
CN102624092A (en) Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone
CN205539320U (en) Cable termination arcing ground monitoring devices
CN104701986A (en) Intelligent terminal of box-type substation
CN103178618A (en) Integrated monitoring terminal for wind-electricity power generation unit
CN105572581A (en) Online detection system and online detection method for isolating switch
CN103457358B (en) Controller switching equipment operating mode on-line monitoring early warning system
CN103051057B (en) Condition-based Maintenance of Substation Equipment intelligent management supervisory control system
CN202940644U (en) Intelligent management and monitoring system for substation equipment state maintenance
CN202602369U (en) Leakage current abnormity remote alarm device of distribution transformer station area arrester
CN202759292U (en) An intelligent box-type transformer station
CN102122842A (en) Abnormal operation remote alarm device for distribution transformer distribution room equipment
CN201717680U (en) Housing estate power supply remote intelligent control device
CN102868230A (en) Intelligent managing device for condition based maintenance of 10-20kv transformer
CN203352278U (en) Remote alarm device for abnormal power failure of 10 kV distribution network branch line
CN203504294U (en) Online monitoring early-warning system of operating conditions of power distribution equipment
CN203251142U (en) Switch cabinet integrated monitoring terminal
CN102280932A (en) Intelligent control device of high-voltage section switch
CN202513674U (en) Remote alarm device for abnormal current leakage of arrestor
CN201985623U (en) Device for performing remote alarm to abnormal running of distribution transformer
CN201846133U (en) Intelligent control device of 10KV-20KVcable ring main unit
CN104483916B (en) A kind of power supply centralized monitoring method, apparatus and system
CN101207305A (en) Electrical power distribution terminal supervisory control system
CN201726200U (en) Low-voltage phase line grounding remote alarm for 10-20kV transformer

Legal Events

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

Granted publication date: 20121212

Termination date: 20150401