CN202495805U - Abnormal equipment operation remote alarm device for 10-20kV distribution transformer district - Google Patents

Abnormal equipment operation remote alarm device for 10-20kV distribution transformer district Download PDF

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Publication number
CN202495805U
CN202495805U CN2012200570904U CN201220057090U CN202495805U CN 202495805 U CN202495805 U CN 202495805U CN 2012200570904 U CN2012200570904 U CN 2012200570904U CN 201220057090 U CN201220057090 U CN 201220057090U CN 202495805 U CN202495805 U CN 202495805U
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circuit
signal
connects
signal data
relay
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Expired - Fee Related
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CN2012200570904U
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陈家斌
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陈家斌
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    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • 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 provides an abnormal equipment operation remote alarm device for 10-20kV distribution transformer district. The alarm device comprises a power supply circuit, a signal data acquisition circuit, a signal data computation and judgment circuit, and a remote alarm communication circuit. The power supply circuit comprises an alternating current power automatic feeding circuit and a rectification circuit, wherein an input end of the alternating current power automatic feeding circuit is connected with an L1, an L2, an L3, and an N of a three-phase alternating-current power supply respectively, and an output end of the alternating current power automatic feeding circuit is connected with the rectification circuit, an output end of the rectification circuit is connected with the signal data computation and judgment circuit as well as the remote alarm communication circuit respectively; the signal data acquisition circuit acquires varieties of abnormal signal data from the various distribution transformer platform area equipment, and is connected with the signal data computation and judgment circuit; an output end of the signal data acquisition circuit is connected with the remote alarm communication circuit; and the remote alarm communication circuit is connected with a distribution network power supply intelligent control center or mobile phones of electricians on duty. By popularizing and applying the alarm device, the development of the intelligent grid construction technology can be positively pushed.

Description

10~20kV distribution transformer platform district unusual the distant place of equipment operation warning device
Technical field
The present invention relates to a kind of 10~20kV distribution transformer platform district unusual distant place of equipment operation intelligent alarm technology, specifically, is a kind of application 1 0~20kV distribution transformer platform district unusual distant place of equipment operation warning device.
Background technology
The intelligent grid construction is carried out in electric power system at present comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management, intellectual analysis.The distribution intellectuality has only just begun starting; Because a variety of causes fails to be generalizable always comprehensively; Study for the unusual distant place of equipment operation, distribution transformer platform district alarm technique; Also be the intelligent popularization and application part of distribution, be primarily aimed at 10~20kV distribution transformer and following 400V power distribution system equipment operation exception distant place warning.
10~20kV distribution transformer platform district unusual the distant place of equipment operation alarm technique research and construction will play very big promotion to the power distribution system equipment safety and economic operation.At present in the distribute-electricity transformer district equipment of operation and following 400V distribution system; Owing to can not monitor in real time; Basically be out of order,, have only by customer interrupted notice power supply maintainer on duty and remove to change fuse like the fuse failure user power failure of transformer high and low pressure fuse; Repair time is long so back and forth; Influence is to user's power supply; Reduced power supply reliability, improved the device damage rate, if can popularize in an all-round way and use the distribution transformer platform district unusual distant place of equipment operation alarm technique; The distribution system power supply reliability is improved greatly, and also development plays a role in promoting to the intelligent grid construction technique.
Summary of the invention
10~20kV distribution transformer platform district unusual the distant place of equipment operation alarm technique Application Research improves the distribution system power supply reliability, reduces the device damage rate, and also development plays a role in promoting to the intelligent grid construction technique.
The objective of the invention is to realize through following technical scheme:
10~20kV distribution transformer platform district unusual the distant place of equipment operation warning device comprises power circuit, the signal data acquisition circuit, and signal data calculates decision circuitry, distant place alarm communication circuit; Said power circuit comprises that AC power drops into circuit, rectification circuit automatically;
Wherein, said AC power drops into L1, L2, L3, the zero line N that circuit input end connects three-phase alternating-current supply respectively automatically, the said rectification circuit of output termination, and rectification circuit output end connects said signal data respectively and calculates decision circuitry, distant place alarm communication circuit;
Said signal data acquisition circuit; Each equipment collects various abnormal signal data from distribution transformer platform district; Connect said signal data and calculate decision circuitry; Signal data calculates decision circuitry output and connects said distant place alarm communication circuit, and distant place alarm communication circuit connects distribution supply intelligent control centre or shift electrician's mobile phone.
Said power circuit comprises that AC power drops into circuit, rectification circuit automatically; Said AC power drops into L1, L2, L3, the zero line N that circuit input end connects three-phase alternating-current supply respectively automatically, and output connects said rectification circuit;
Wherein, described AC power drops into circuit automatically, comprises two relays; Be respectively K, KA, a time relay KT, the normally opened contact K1 of said relay K; Normally-closed contact K2; The normally opened contact KA1 of said relay K A, normally-closed contact KA2, the timing closing contact KT1 of said time relay KT;
Coil one end of described relay K is connected AC power zero line N with coil one end of relay K A, coil one end of time relay KT respectively, and the AC power zero line connects rectification circuit input power supply one end; The coil other end of described relay K and the normally opened contact K1 of said relay K meet power supply L1 mutually after connecting; The coil other end of described relay K A is connected with normally opened contact KA1 one end of normally-closed contact K2 one end of the normally opened contact K1 other end of said relay K, said relay K, described relay K A respectively, another termination power of normally-closed contact K2 L2 phase of said relay K; The coil other end of said time relay KT is connected with the normally opened contact KA1 other end of relay K A, normally-closed contact KA2 one end of relay K A, timing closing contact KT1 one end of time relay KT respectively; The normally-closed contact KA2 other end of described relay K A connects power supply L3 phase, and the timing closing contact KT1 other end of time relay KT connects the rectification circuit input power supply other end; Rectification circuit output end connects signal data respectively and calculates decision circuitry, distant place alarm communication circuit.
Described signal data acquisition circuit; Comprise low pressure phase line, neutral line current signal acquisition circuit; Low pressure phase line disconnection signal Acquisition Circuit, high pressure disconnection signal Acquisition Circuit, low pressure phase line ground signalling Acquisition Circuit; The leakage current of an arrester signal acquisition circuit that exceeds standard, transformer body, lead tie point overtemperature signal acquisition circuit; The signal that said signal data acquisition circuit is gathered connects said signal data and calculates decision circuitry;
Wherein, described low pressure phase line, neutral line current signal acquisition circuit are that low pressure L1, L2, L3, zero line N electric current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, insert signal data and calculate decision circuitry;
Described low pressure phase line disconnection signal Acquisition Circuit is the disconnection signal of gathering from low pressure L1, L2, L3 phase line disconnection protector, connects said signal data and calculates decision circuitry;
Described high pressure disconnection signal Acquisition Circuit is high pressure L1, L2, the L3 phase disconnection signal of gathering from the low pressure phase sequence relay, connects said signal data and calculates decision circuitry;
The described leakage current of an arrester signal acquisition circuit that exceeds standard is the leakage current from leakage current of an arrester on-line monitoring device circuit, the gathered signal that exceeds standard, and connects said signal data and calculates decision circuitry;
Described transformer body, lead tie point overtemperature signal acquisition circuit are to gather transformer body, lead tie point temperature exceeding standard signal from the temperature monitoring circuit, connect said signal data and calculate decision circuitry.
Signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input connects described signal data acquisition circuit; The output of A/D translation circuit connects described data computation decision circuitry; The output of data computation decision circuitry connects described executive component, and executive component output connects described distant place alarm communication circuit.
Distant place alarm communication circuit comprises optical fibre communication cable circuit, radio communication circuit;
Wherein, the optical fibre communication cable circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit connects said fiber optic cables, and fiber optic cables connect said distribution supply intelligent control centre; Optical transmission circuit will collect the various signals of telecommunication and change light signal into, be transmitted to distribution supply intelligent control centre through fiber optic cables;
Radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit connects said coding circuit, and coding circuit connects said radiating circuit, and radiating circuit is passed to alarm signal on distribution supply intelligent control centre or the shift electrician's mobile phone.
This 10~20kV distribution transformer platform district unusual distant place of equipment operation warning device; Utilize advanced computer technology; Monitoring technology, the communication technology, thus develop a kind of real-time status, Data Detection intelligent management device that is used for 10~20kV distribution transformer platform district equipment operation.The present invention has outstanding substantive distinguishing features and obvious improvement property to prior art; Specifically, this 10~20kV distribution transformer platform district unusual distant place of equipment operation warning device technological progress, reasonable in design; Report to the police in the unusual distant place of desirable realization 10~20kV distribution transformer platform district equipment operation; For the control of development network distribution system intelligence, will play positive facilitation, the concrete advantage of this 10~20kV distribution transformer platform district unusual distant place of equipment operation warning device:
1, the unusual distant place of equipment operation, 10~20kV distribution transformer platform district warning device; Can monitor transformer-supplied platform district equipment safety operation situation at any time; At any time can grasp distribution transformer platform district field apparatus running status through remote measurement, remote signalling; As transformer overcurrent, the height phase failure etc. take place, carry out a distant place and report to the police.
2, popularize the application 1 0~20kV distribution transformer platform district unusual distant place of equipment operation alarm technique in an all-round way; Can alleviate worker's labour intensity greatly, reduce unsafe factor, improve the distribution system power supply reliability; Improve electric power enterprise and social benefit, improve the social prestige of power supply enterprise greatly; And intelligent grid construction technique development played a role in promoting.
Description of drawings
Fig. 1 is that the present invention 10~20kV distribution transformer platform district unusual distant place of equipment operation warning device is formed block diagram;
Fig. 2 is a power circuit diagram according to the invention;
Fig. 3 is a signal data acquisition circuit diagram according to the invention;
Fig. 4 is that signal data according to the invention calculates the decision circuitry block diagram;
Fig. 5 A is that optical fiber communication circuit according to the invention is formed block diagram;
Fig. 5 B is that radio communication circuit according to the invention is formed block diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description:
As shown in Figure 1, form block diagram for the present invention 10~20kV distribution transformer platform district unusual distant place of equipment operation warning device, comprise power circuit 1, signal data acquisition circuit 2, signal data calculates decision circuitry 3, distant place alarm communication circuit 4; Said power circuit comprises that AC power drops into circuit, rectification circuit automatically.
Wherein, said AC power drops into L1, L2, L3, the N that circuit input end connects three-phase alternating-current supply respectively automatically, and output connects said rectification circuit, and rectification circuit output connects said signal data respectively and calculates decision circuitry, distant place alarm communication circuit.
Said signal data acquisition circuit; Each equipment collects various signal datas from distribution transformer platform district; Connect said signal data and calculate decision circuitry; Signal data calculates decision circuitry output and connects said distant place alarm communication circuit, and distant place alarm communication circuit connects distribution supply intelligent control centre or shift electrician's mobile phone.
Device systems collects real-time data signal from the transformer platform district, is transferred to data computation judgment processing circuit respectively; The current signal data compare through data computation judgment processing circuit, judge whether overcurrent of system equipment, and the high and low pressure phase failure is carried out a distant place and reported to the police and inform the electrician if overcurrent, the phase failure are transferred to distant place alarm communication circuit.
Like Fig. 2 is power circuit diagram according to the invention, and said power circuit comprises that AC power drops into circuit, rectification circuit automatically; Said AC power drops into L1, L2, L3, the N that circuit input end connects three-phase alternating-current supply respectively automatically, and output connects said rectification circuit, and rectification circuit output connects the signal data acquisition circuit, and signal data calculates decision circuitry.
Described AC power drops into circuit automatically, comprises two relays, is respectively K, KA; A time relay KT, the normally opened contact K1 of said relay K, normally-closed contact K2; The normally opened contact KA1 of said relay K A; Normally-closed contact KA2, the timing closing contact KT1 of said time relay KT, mains switch QS1, QS2.
Coil one end of described relay K is connected AC power zero line N with coil one end of relay K A, coil one end of time relay KT respectively, and the AC power zero line connects rectification circuit input power supply one end; The coil other end of described relay K and the normally opened contact K1 of said relay K meet power supply L1 mutually after connecting; The coil other end of described relay K A is connected with normally opened contact KA1 one end of normally-closed contact K2 one end of the normally opened contact K1 other end of said relay K, said relay K, described relay K A respectively, another termination power of normally-closed contact K2 L2 phase of said relay K; The coil other end of said time relay KT is connected with the normally opened contact KA1 other end of relay K A, normally-closed contact KA2 one end of relay K A, timing closing contact KT1 one end of time relay KT respectively; The normally-closed contact KA2 other end of described relay K A connects power supply L3 phase, and the timing closing contact KT1 other end of time relay KT connects the rectification circuit input power supply other end; Rectification circuit output end connects signal data respectively and calculates decision circuitry, distant place alarm communication circuit.
The power supply that this warning device adopts is to obtain from this step down side; In order to guarantee the warning device reliability service; Must guarantee that power supply is reliable; This warning device adopts three phase mains to drop into circuit automatically and supplies power, and the scarce phase of this transformer high and low pressure or two does not influence warning device mutually and normally moves.
The warning device normally program of putting into operation is first power turn-on switch QS1, QS2, relay K, relay K A, the charged adhesive of time relay KT; The warning device power supply is supplied power by L1 mutually, when L1 phase power supply broken string, and the relay K outage; L2 supplies power mutually by power supply; L2 breaks mutually when power supply, relay K A outage, and L3 supplies power mutually by power supply.
Like Fig. 3 is signal data acquisition circuit diagram according to the invention; Described signal data acquisition circuit comprises low pressure phase line, neutral line current signal acquisition circuit 31, low pressure phase line disconnection signal Acquisition Circuit 32; High pressure disconnection signal Acquisition Circuit 33; Low pressure phase line ground signalling Acquisition Circuit 34, the leakage current of an arrester signal acquisition circuit 35 that exceeds standard, transformer body, lead tie point overtemperature signal acquisition circuit 36; The signal that said signal data acquisition circuit is gathered connects said signal data and calculates decision circuitry.
Described low pressure phase line, neutral line current signal acquisition circuit are that low pressure L1, L2, L3, N phase current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, insert signal data and calculate decision circuitry; When the system power parameter changes, calculate the ultra setting of overcurrent parameter by microcomputer, will surpass the setting signal and be transferred to distant place alarm communication circuit, send the overcurrent alarm signal.
Described low pressure phase line disconnection signal Acquisition Circuit is to gather disconnection signal from low pressure L1, L2, L3 phase line line disconnection protector to connect said signal data calculating decision circuitry; When broken string or low-tension fuse fusing take place the transformer low voltage phase line; To break or low-tension fuse fusing signal is transferred to signal data and calculates decision circuitry; After signal data calculated decision circuitry calculating judgement, broken string or low-tension fuse fusing signal were transferred to distant place alarm communication circuit and send low pressure phase line break alarm signal.
Described high pressure disconnection signal Acquisition Circuit is to connect said signal data and calculate decision circuitry from low pressure phase sequence relay collection high pressure L1, L2, L3 phase disconnection signal; When broken string or high-voltage wire iron-melting fusing take place the transformer high-voltage line; To break or the high-voltage wire iron-melting fusing signal is transferred to signal data and calculates decision circuitry; After signal data calculated decision circuitry calculating judgement, broken string or high-voltage wire iron-melting fusing signal connected distant place alarm communication circuit and send high pressure break alarm signal.
The described leakage current of an arrester signal acquisition circuit that exceeds standard is from leakage current of an arrester on-line monitoring device circuit, to gather the leakage current signal that exceeds standard, and connects said signal data and calculates decision circuitry; When leakage current of an arrester exceeds standard, the signal that will exceed standard is transferred to signal data and calculates decision circuitry, signal data calculate decision circuitry calculate judge after, the signal that exceeds standard output connects distant place alarm communication circuit and sends the leakage current of an arrester alarm signal that exceeds standard.
Described transformer body, lead tie point overtemperature signal acquisition circuit are to gather transformer body, lead tie point temperature exceeding standard signal from the temperature monitoring circuit, connect said signal data and calculate decision circuitry; When transformer body, lead tie point overtemperature; The overtemperature signal is transferred to signal data calculates decision circuitry; After signal data calculated decision circuitry calculating judgement, the temperature exceeding standard signal connected distant place alarm communication circuit and sends transformer body, lead tie point overtemperature alarm signal.
Like Fig. 4 is that signal data of the present invention calculates the decision circuitry block diagram, and signal data calculates decision circuitry and comprises: A/D translation circuit 41, calculating decision circuitry 42, executive component 43; Described A/D translation circuit 41 inputs connect described signal data acquisition circuit; The output of A/D translation circuit connects described calculating decision circuitry 42; Calculate decision circuitry and connect described executive component 43, executive component output connects described distant place alarm communication circuit.
When said data computation decision circuitry after signal acquisition circuit picked up signal data; After signal data carries out the A/D conversion; Input is calculated decision circuitry and is calculated comparison; Whether have abnormal conditions, if there is the abnormal conditions signal to be transferred to executive component, executive component is transferred to distant place alarm communication circuit with the abnormal conditions signal and carries out distant place warning if judging system equipment.
Like Fig. 5 A is that optical fiber communication circuit according to the invention is formed block diagram, and the optical fiber communication circuit comprises optical transmission circuit 51, fiber optic cables 52; Described optical transmission circuit connects fiber optic cables one end, and the fiber optic cables other end connects distribution supply intelligent control centre.Optical transmission circuit is to change the various signals of telecommunication that collect into light signal to be transmitted to distribution supply intelligent control centre through fiber optic cables.
Like Fig. 5 B is that radio alarming telecommunication circuit according to the invention is formed block diagram; The radio alarming telecommunication circuit comprises signal input circuit 53, coding circuit 54, radiating circuit 55; Described signal input circuit connects said coding circuit, and coding circuit connects said radiating circuit, and the emission alarm signal is passed on distribution supply intelligent control centre or the shift electrician's mobile phone.
The radio alarming telecommunication circuit can adopt mobile module, also can adopt radio transmitter.
This device collects real-time data signal; Signal data compares through data computation judgment processing circuit; Judge system equipment whether abnormal conditions are arranged; If there is the abnormal conditions signal to be transferred to executive component, executive component is transferred to distant place alarm communication circuit with the abnormal conditions signal to carry out a distant place and reports to the police and inform the electrician.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can specific embodiments of the invention make amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.

Claims (5)

1. 10~20kV distribution transformer platform district unusual the distant place of equipment operation warning device is characterized in that: comprise power circuit, signal data acquisition circuit, signal data calculating decision circuitry, distant place alarm communication circuit; Said power circuit comprises that AC power drops into circuit, rectification circuit automatically;
Wherein, said AC power drops into L1, L2, L3, the zero line N that circuit input end connects three-phase alternating-current supply respectively automatically, the said rectification circuit of output termination, and rectification circuit output end connects said signal data respectively and calculates decision circuitry, distant place alarm communication circuit;
Said signal data acquisition circuit; Each equipment collects various abnormal signal data from distribution transformer platform district; Connect said signal data and calculate decision circuitry; Signal data calculates decision circuitry output and connects said distant place alarm communication circuit, and distant place alarm communication circuit connects distribution supply intelligent control centre or shift electrician's mobile phone.
2. 10~20kV distribution transformer platform according to claim 1 district unusual the distant place of equipment operation warning device is characterized in that: said power circuit comprises that AC power drops into circuit, rectification circuit automatically; Said AC power drops into L1, L2, L3, the zero line N that circuit input end connects three-phase alternating-current supply respectively automatically, and output connects said rectification circuit;
Wherein, described AC power drops into circuit automatically, comprises two relays; Be respectively K, KA, a time relay KT, the normally opened contact K1 of said relay K; Normally-closed contact K2; The normally opened contact KA1 of said relay K A, normally-closed contact KA2, the timing closing contact KT1 of said time relay KT;
Coil one end of described relay K is connected AC power zero line N with coil one end of relay K A, coil one end of time relay KT respectively, and the AC power zero line connects rectification circuit input power supply one end; The coil other end of described relay K and the normally opened contact K1 of said relay K meet power supply L1 mutually after connecting; The coil other end of described relay K A is connected with normally opened contact KA1 one end of normally-closed contact K2 one end of the normally opened contact K1 other end of said relay K, said relay K, described relay K A respectively, another termination power of normally-closed contact K2 L2 phase of said relay K; The coil other end of said time relay KT is connected with the normally opened contact KA1 other end of relay K A, normally-closed contact KA2 one end of relay K A, timing closing contact KT1 one end of time relay KT respectively; The normally-closed contact KA2 other end of described relay K A connects power supply L3 phase, and the timing closing contact KT1 other end of time relay KT connects the rectification circuit input power supply other end; Rectification circuit output end connects signal data respectively and calculates decision circuitry, distant place alarm communication circuit.
3. 10~20kV distribution transformer platform according to claim 1 district unusual the distant place of equipment operation warning device; It is characterized in that: described signal data acquisition circuit comprises low pressure phase line, neutral line current signal acquisition circuit, low pressure phase line disconnection signal Acquisition Circuit; High pressure disconnection signal Acquisition Circuit; Low pressure phase line ground signalling Acquisition Circuit, the leakage current of an arrester signal acquisition circuit that exceeds standard, transformer body, lead tie point overtemperature signal acquisition circuit; The signal that said signal data acquisition circuit is gathered connects said signal data and calculates decision circuitry;
Wherein, described low pressure phase line, neutral line current signal acquisition circuit are that low pressure L1, L2, L3, zero line N electric current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, insert signal data and calculate decision circuitry;
Described low pressure phase line disconnection signal Acquisition Circuit is the disconnection signal of gathering from low pressure L1, L2, L3 phase line disconnection protector, connects said signal data and calculates decision circuitry;
Described high pressure disconnection signal Acquisition Circuit is high pressure L1, L2, the L3 phase disconnection signal of gathering from the low pressure phase sequence relay, connects said signal data and calculates decision circuitry;
The described leakage current of an arrester signal acquisition circuit that exceeds standard is the leakage current from leakage current of an arrester on-line monitoring device circuit, the gathered signal that exceeds standard, and connects said signal data and calculates decision circuitry;
Described transformer body, lead tie point overtemperature signal acquisition circuit are to gather transformer body, lead tie point temperature exceeding standard signal from the temperature monitoring circuit, connect said signal data and calculate decision circuitry.
4. 10~20kV distribution transformer platform according to claim 1 district unusual the distant place of equipment operation warning device is characterized in that: signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input connects described signal data acquisition circuit; The output of A/D translation circuit connects described data computation decision circuitry; The output of data computation decision circuitry connects described executive component, and executive component output connects described distant place alarm communication circuit.
5. 10~20kV distribution transformer platform according to claim 1 district unusual the distant place of equipment operation warning device, it is characterized in that: distant place alarm communication circuit comprises optical fibre communication cable circuit, radio communication circuit;
Wherein, the optical fibre communication cable circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit connects said fiber optic cables, and fiber optic cables connect said distribution supply intelligent control centre; Optical transmission circuit will collect the various signals of telecommunication and change light signal into, be transmitted to distribution supply intelligent control centre through fiber optic cables;
Radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit connects said coding circuit, and coding circuit connects said radiating circuit, and radiating circuit is passed to alarm signal on distribution supply intelligent control centre or the shift electrician's mobile phone.
CN2012200570904U 2012-02-14 2012-02-14 Abnormal equipment operation remote alarm device for 10-20kV distribution transformer district Expired - Fee Related CN202495805U (en)

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Application Number Priority Date Filing Date Title
CN2012200570904U CN202495805U (en) 2012-02-14 2012-02-14 Abnormal equipment operation remote alarm device for 10-20kV distribution transformer district

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Application Number Priority Date Filing Date Title
CN2012200570904U CN202495805U (en) 2012-02-14 2012-02-14 Abnormal equipment operation remote alarm device for 10-20kV distribution transformer district

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103151838A (en) * 2013-02-20 2013-06-12 河南省电力公司驻马店供电公司 Remote alarm device for abnormal power outage of 10kV distribution network branch line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103151838A (en) * 2013-02-20 2013-06-12 河南省电力公司驻马店供电公司 Remote alarm device for abnormal power outage of 10kV distribution network branch line
CN103151838B (en) * 2013-02-20 2016-05-11 河南省电力公司驻马店供电公司 The 10kV distribution branch line remote alarming device that extremely has a power failure

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