CN102868230A - Intelligent managing device for condition based maintenance of 10-20kv transformer - Google Patents

Intelligent managing device for condition based maintenance of 10-20kv transformer Download PDF

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Publication number
CN102868230A
CN102868230A CN2012103933285A CN201210393328A CN102868230A CN 102868230 A CN102868230 A CN 102868230A CN 2012103933285 A CN2012103933285 A CN 2012103933285A CN 201210393328 A CN201210393328 A CN 201210393328A CN 102868230 A CN102868230 A CN 102868230A
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CN
China
Prior art keywords
circuit
signal
transformer
phase
platform area
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.)
Pending
Application number
CN2012103933285A
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Chinese (zh)
Inventor
陈家斌
崔军朝
王瑞奇
易保华
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 CN2012103933285A priority Critical patent/CN102868230A/en
Publication of CN102868230A publication Critical patent/CN102868230A/en
Pending legal-status Critical Current

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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
    • 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 invention discloses an intelligent managing device for condition based maintenance of a 10-20kv transformer. The intelligent managing device comprises a running state signal data collecting circuit of station area equipment of the transformer, a signal data calculation judging circuit and a signal communication circuit. The running state signals of various equipment of a station area equipment system of the transformer are collected by the running state signal data collecting circuit of the station area equipment of the transformer and are output to the signal data calculation judging circuit. The signal data calculation judging circuit is in output connection with the signal communication circuit. The signal communication circuit is connected with a state maintenance intelligent managing command center of network distribution power supply equipment or mobile phones of electricians. The abnormal circumstances of running data such as voltage, current, temperature and the like of a station area power distributing device of a distributing transformer can be known by the state maintenance intelligent managing device at any time by remote measuring and the remote signaling, the maintenance is planned in time according to the running state of the equipment on site, the processing time of accidents is shortened, the power supply volume is improved, and the creditworthiness of power supply enterprises is improved.

Description

10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus
Technical field
The present invention relates to the equipment state overhauling field of transformer platform area, relate in particular to a kind of 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus.
Background technology
Electrical Equipment Maintenance Based on State work is carried out at present electric power system comprehensively, and full electric network is carried out the Electrical Equipment Maintenance Based on State intelligent management.Distribution network equipment state maintenance intelligent management technology is used and has only just been begun starting, because a variety of causes fails to be generalizable always comprehensively, for the technical research of power distribution network power supply unit repair based on condition of component intelligent management, mainly for distribution transformer and following 400V power distribution system equipment.Electrical Equipment Maintenance Based on State is exactly that equipment will break down and overhaul before the state, can guarantee the electric equipment safe and reliable operation like this, reduces the electric equipment spoilage, reduces interruption duration, prolongs the electric equipment time between overhauls(TBO), improves power supply reliability.
10 ~ 20kV distribution transformer of current operation, because can not Real Time Monitoring, still carry out cycled recondition, because the consequence that cycled recondition produces is that power supply quality is low, the device damage rate is high, power supply reliability is low, can not satisfy the needs of the modern life production of power consumer.Basically be out of order, carry out overhaul of the equipments by the user notification maintainer, troubleshooting time of dragging is long like this, large on the long impact of customer outage hours, use 10 ~ 20kV distribution transformer platform area equipment state overhauling technology if popularize in an all-round way, when transformer platform area equipment has an accident, the maintainer in time rushes to repair to the scene very first time, shorten the accident treatment time, improve amount of power supply, increase enterprise and social benefit.Positive facilitation is also played in development to the distribution system intellectualized technology simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus, cost is low, makes the power supply reliability of electrical network high.
The present invention adopts following technical proposals: a kind of 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus comprises that transformer platform area equipment running status signal data acquisition circuit, signal data calculate decision circuitry and signal telecommunication circuit; Described transformer platform area equipment running status signal data acquisition circuit gathers various device operating state signal in the transformer platform area device systems, output to described signal data and calculate decision circuitry, signal data calculates decision circuitry output and connects described signal telecommunication circuit, and the signal telecommunication circuit connects on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone.
Described transformer platform area equipment running status signal data acquisition circuit comprises
Temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature, gathers the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor from the transformer body;
High voltage phase loss signal acquisition circuit, low pressure default phase signal Acquisition Circuit, low pressure overvoltage signal acquisition circuit, the under-voltage signal acquisition circuit of low pressure, export to signal data calculating decision circuitry from the phase voltage of step down side collection three-phase and calculate judgement: if 1 phase voltage is normal, 2 phase voltages are lower than below the 150V, then are judged as high voltage phase loss; If 2 phase voltages are normal, 1 phase voltage is lower than below the 100V, then is the low pressure phase shortage; If 3 phase voltages are higher than 240V, be judged as the low pressure overvoltage; If 3 phase voltages are lower than 200V, be judged as the low pressure under voltage;
Low pressure phase line, neutral line current signal acquisition circuit are exported satisfactory current signal with L1, L2, L3, N phase current after current transformer and load resistance conversion;
Cable temperature signal acquisition circuit, terminal overtemperature signal acquisition circuit are connected in temperature sensor and gather cable, terminal temperature data signal on described cable end, the terminal;
The power factor signal acquisition circuit,, reactive energy signal meritorious from active electric energy meter, reactive energy-meter collection;
The low voltage phase line earthing signal acquisition circuit gathers the phase line grounding signal from residual current operated protective device;
The leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard from leakage current of an arrester thread detector.
Described signal data calculates decision circuitry and comprises power circuit, A/D translation circuit, data calculating decision circuitry, executive component; Described A/D translation circuit output connects described data and calculates decision circuitry, and described data are calculated decision circuitry output and connected described executive component, and power circuit connects respectively described A/D translation circuit, calculates decision circuitry, executive component; Described executive component output connects the signal telecommunication circuit.
Described power circuit comprises the first rectifier power source Z1, the second rectifier power source Z2, the first diode, the second diode, delay circuit and relay; Two inputs of described the first rectifier power source Z1 connect respectively the first power supply, and two outputs connect respectively the first diode cathode and ground connection; Two inputs of described the second rectifier power source connect respectively second source, and two outputs connect respectively the second diode cathode and ground connection; The negative pole of described the first diode and the second diode all connects first end and relay normally open contact one end of delay circuit, the relay normally open contact other end is the output of power circuit, the coil of the second relay termination of delay circuit, coil other end ground connection, delay circuit the 3rd end ground connection.
Described the first power supply and second source are first-phase L1, N and third phase L3, N.
Described signal telecommunication circuit comprises optical fiber communication circuit, radio communication circuit;
Described optical fiber communication circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit changes the signal of telecommunication of transformer platform area equipment running status into light signal and is transmitted to supplying power allocation equipment state overhauling intelligent management command centre by fiber optic cables;
Described radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit, and the emission alarm signal is passed on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone.
The present invention utilizes advanced computer and electronic technology, develop a kind of intelligent management when having an accident for distribution transformer platform area equipment is in service, technological progress, reasonable in design, desirable realization distribution transformer platform area equipment state overhauling intelligent management, will play positive guarantee effect for electric power netting safe running, the concrete advantage of this distribution transformer platform area equipment state overhauling intelligent management apapratus:
The present invention can understand the service data abnormal conditions such as the voltage, electric current, temperature of distribution transformer platform area power distribution equipment at any time by remote measurement, remote signalling, can in time arrange maintenance according to the field apparatus running status, shorten the accident treatment time, improve amount of power supply, improved the credit worthiness of power supply enterprise;
The present invention has strengthened the safe operation management of power distribution network, greatly improved power supply reliability, promote the effect of the safety management integral level of power distribution network, improved power supply enterprise and economic results in society, positive facilitation is also played in development to the distribution system intellectualized technology simultaneously.
Description of drawings
Fig. 1 is theory diagram of the present invention;
Fig. 2 is the theory diagram that signal data calculates decision circuitry;
Fig. 3 is the schematic diagram of power circuit;
Fig. 4 is the theory diagram of radio communication circuit.
Embodiment
As shown in Figure 1, a kind of 10 ~ 20kV transformer platform area of the present invention equipment state overhauling intelligent management apapratus comprises that transformer platform area equipment running status signal data acquisition circuit, signal data calculate decision circuitry and signal telecommunication circuit; Described transformer platform area equipment running status signal data acquisition circuit gathers various device operating state signal in the transformer platform area device systems, output to described signal data and calculate decision circuitry, signal data calculates decision circuitry output and connects described signal telecommunication circuit, and the signal telecommunication circuit connects on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone.
Described transformer platform area equipment running status signal data acquisition circuit comprises that temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature from the transformer body, gathers the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor;
High voltage phase loss signal acquisition circuit, low pressure default phase signal Acquisition Circuit, low pressure overvoltage signal acquisition circuit, the under-voltage signal acquisition circuit of low pressure, export to signal data calculating decision circuitry from the phase voltage of step down side collection three-phase and calculate judgement: if 1 phase voltage is normal, 2 phase voltages are lower than below the 150V, then are judged as high voltage phase loss; If 2 phase voltages are normal, 1 phase voltage is lower than below the 100V, then is the low pressure phase shortage; If 3 phase voltages are higher than 240V, be judged as the low pressure overvoltage; If 3 phase voltages are lower than 200V, be judged as the low pressure under voltage;
Low pressure phase line, neutral line current signal acquisition circuit are exported satisfactory current signal with L1, L2, L3, N phase current after current transformer and load resistance conversion;
Cable temperature signal acquisition circuit, terminal overtemperature signal acquisition circuit are connected in temperature sensor and gather cable, terminal temperature data signal on described cable end, the terminal;
The power factor signal acquisition circuit,, reactive energy signal meritorious from active electric energy meter, reactive energy-meter collection;
The low voltage phase line earthing signal acquisition circuit gathers the phase line grounding signal from residual current operated protective device;
The leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard from leakage current of an arrester thread detector.The signal output part of each Acquisition Circuit all outputs to signal data calculating decision circuitry and calculates judgement.
As shown in Figure 2, described signal data calculating decision circuitry comprises power circuit, A/D translation circuit, data calculating decision circuitry, executive component; Described A/D translation circuit output connects described data and calculates decision circuitry, and described data are calculated decision circuitry output and connected described executive component, and power circuit connects respectively described A/D translation circuit, calculates decision circuitry, executive component; Described executive component output connects the signal telecommunication circuit.As shown in Figure 3, described power circuit comprises the first rectifier power source Z1, the second rectifier power source Z2, the first diode D1, the second diode D2, delay circuit S and relay; Two inputs of described the first rectifier power source Z1 connect respectively the first power supply (L1, N), and two outputs connect respectively the first diode D1 positive pole and ground connection; Two inputs of described the second rectifier power source Z2 connect respectively second source (L3, N), and two outputs connect respectively the second diode D2 positive pole and ground connection; The negative pole of described the first diode D1 and the second diode D2 all connects first end and relay normally open contact K1 one end of delay circuit S, the relay normally open contact K1 other end is the output of power circuit, the coil K of the second relay termination of delay circuit S, coil K other end ground connection, delay circuit S the 3rd end ground connection.This power circuit adopts rectifier power source Z1, the rectifier power source Z2 mode that is connected in parallel, and the input of two rectifier power sources meets respectively L1, N phase and L3, N mutually, and namely go up mutually on both sides, is used for improving reliability.During the device operation, the circuit re-switching action, by delay circuit timing closing, instantaneous disconnection avoids device malfunctioning, improves the device operational reliability.After device put into operation, behind the transformer platform area equipment interruption maintenance, operation sent electricity normally to move by the delay circuit assurance device again.
Described signal telecommunication circuit comprises optical fiber communication circuit, radio communication circuit; Described optical fiber communication circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit changes the signal of telecommunication of transformer platform area equipment running status into light signal and is transmitted to supplying power allocation equipment state overhauling intelligent management command centre by fiber optic cables; As shown in Figure 4, described radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit, and the emission alarm signal is passed on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone.
Transformer platform area equipment running status signal data acquisition circuit is installed in the low-pressure side of distribution transformer, certain is unusual when the distribution transformer platform area equipment of operation occurs, immediately this abnormal signal is passed to signal data and calculate decision circuitry, after calculating the judgement processing, immediately this signal is passed on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone by the signal telecommunication circuit, the operator on duty obtains alarm condition, and the very first time overhauls to the scene at once, in processing time that can the shortening accident, improve amount of power supply.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution 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 (6)

1. 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus is characterized in that: comprise that transformer platform area equipment running status signal data acquisition circuit, signal data calculate decision circuitry and signal telecommunication circuit; Described transformer platform area equipment running status signal data acquisition circuit gathers various device operating state signal in the transformer platform area device systems, output to described signal data and calculate decision circuitry, signal data calculates decision circuitry output and connects described signal telecommunication circuit, and the signal telecommunication circuit connects on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone.
2. 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus according to claim 1, it is characterized in that: described transformer platform area equipment running status signal data acquisition circuit comprises
Temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature, gathers the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor from the transformer body;
High voltage phase loss signal acquisition circuit, low pressure default phase signal Acquisition Circuit, low pressure overvoltage signal acquisition circuit, the under-voltage signal acquisition circuit of low pressure, export to signal data calculating decision circuitry from the phase voltage of step down side collection three-phase and calculate judgement: if 1 phase voltage is normal, 2 phase voltages are lower than below the 150V, then are judged as high voltage phase loss; If 2 phase voltages are normal, 1 phase voltage is lower than below the 100V, then is the low pressure phase shortage; If 3 phase voltages are higher than 240V, be judged as the low pressure overvoltage; If 3 phase voltages are lower than 200V, be judged as the low pressure under voltage;
Low pressure phase line, neutral line current signal acquisition circuit are exported satisfactory current signal with L1, L2, L3, N phase current after current transformer and load resistance conversion;
Cable temperature signal acquisition circuit, terminal overtemperature signal acquisition circuit are connected in temperature sensor and gather cable, terminal temperature data signal on described cable end, the terminal;
The power factor signal acquisition circuit,, reactive energy signal meritorious from active electric energy meter, reactive energy-meter collection;
The low voltage phase line earthing signal acquisition circuit gathers the phase line grounding signal from residual current operated protective device;
The leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard from leakage current of an arrester thread detector.
3. 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus according to claim 1 is characterized in that: described signal data calculates decision circuitry and comprises that power circuit, A/D translation circuit, data calculate decision circuitry, executive component; Described A/D translation circuit output connects described data and calculates decision circuitry, and described data are calculated decision circuitry output and connected described executive component, and power circuit connects respectively described A/D translation circuit, calculates decision circuitry, executive component; Described executive component output connects the signal telecommunication circuit.
4. 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus according to claim 3, it is characterized in that: described power circuit comprises the first rectifier power source Z1, the second rectifier power source Z2, the first diode, the second diode, delay circuit and relay; Two inputs of described the first rectifier power source Z1 connect respectively the first power supply, and two outputs connect respectively the first diode cathode and ground connection; Two inputs of described the second rectifier power source connect respectively second source, and two outputs connect respectively the second diode cathode and ground connection; The negative pole of described the first diode and the second diode all connects first end and relay normally open contact one end of delay circuit, the relay normally open contact other end is the output of power circuit, the coil of the second relay termination of delay circuit, coil other end ground connection, delay circuit the 3rd end ground connection.
5. 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus according to claim 4, it is characterized in that: described the first power supply and second source are first-phase L1, N and third phase L3, N.
6. 10 ~ 20kV transformer platform area equipment state overhauling intelligent management apapratus according to claim 1, it is characterized in that: described signal telecommunication circuit comprises optical fiber communication circuit, radio communication circuit;
Described optical fiber communication circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit changes the signal of telecommunication of transformer platform area equipment running status into light signal and is transmitted to supplying power allocation equipment state overhauling intelligent management command centre by fiber optic cables;
Described radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit, and the emission alarm signal is passed on supplying power allocation equipment state overhauling intelligent management command centre or the electrician's mobile phone.
CN2012103933285A 2012-10-17 2012-10-17 Intelligent managing device for condition based maintenance of 10-20kv transformer Pending CN102868230A (en)

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CN2012103933285A CN102868230A (en) 2012-10-17 2012-10-17 Intelligent managing device for condition based maintenance of 10-20kv transformer

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Application Number Priority Date Filing Date Title
CN2012103933285A CN102868230A (en) 2012-10-17 2012-10-17 Intelligent managing device for condition based maintenance of 10-20kv transformer

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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
CN103956831A (en) * 2014-05-15 2014-07-30 广东电网公司佛山供电局 Intelligent diagnosis method for alarming of phase loss of power transmission line distribution transformer
CN109507465A (en) * 2018-11-28 2019-03-22 杭州普创电子有限公司 A kind of guide rail type electrical energy meter

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CN109507465A (en) * 2018-11-28 2019-03-22 杭州普创电子有限公司 A kind of guide rail type electrical energy meter

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