CN202940493U - Intelligent management device for power transformer state maintenance - Google Patents

Intelligent management device for power transformer state maintenance Download PDF

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Publication number
CN202940493U
CN202940493U CN 201220658194 CN201220658194U CN202940493U CN 202940493 U CN202940493 U CN 202940493U CN 201220658194 CN201220658194 CN 201220658194 CN 201220658194 U CN201220658194 U CN 201220658194U CN 202940493 U CN202940493 U CN 202940493U
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CN
China
Prior art keywords
transformer
circuit
signal
signal acquisition
acquisition circuit
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Expired - Fee Related
Application number
CN 201220658194
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Chinese (zh)
Inventor
陈家斌
王柳
王瑞奇
张光明
陈蕾
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Zhumadian Power Supply Co of Henan Electric Power Co
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Zhumadian Power Supply Co of Henan Electric Power Co
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Priority to CN 201220658194 priority Critical patent/CN202940493U/en
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Publication of CN202940493U publication Critical patent/CN202940493U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses an intelligent management device for power transformer state maintenance. The device comprises a power transformer running state signal acquisition circuit, a signal data calculation/judgment/processing circuit, a communication circuit and an intelligent power transformer state maintenance management and command center. The power transformer running state signal acquisition circuit acquires signal data and outputs the signal data to the signal data calculation/judgment/processing circuit; the output of the signal data calculation/judgment/ processing circuit is connected with the communication circuit; and the communication circuit is connected with the intelligent power transformer state maintenance management and command center. With the intelligent management device for power transformer state maintenance, technical data about the running of a power transformer can be monitored at any time, abnormalities about the voltage, current, temperature and the like of a transformer and a power distribution device can be found at any time, and overhaul can be carried out timely according to the running state of field equipment.

Description

Power Transformer Condition maintenance intelligent management apapratus
Technical field
The utility model relates to Power Transformer Condition and overhauls the field, relates in particular to a kind of Power Transformer Condition maintenance intelligent management apapratus.
Background technology
Electrical Equipment Maintenance Based on State work is carried out in electric power system at present comprehensively, and the electrical network electric equipment is carried out repair based on condition of component.The application of Power Transformer Condition service technique has only just begun starting, because a variety of causes fails to be generalizable always comprehensively, for the technical research of Power Transformer Condition maintenance intelligent management, mainly for transformer, circuit breaker, lightning arrester, capacitor, stand and carry out repair based on condition of component with equipment such as power supplys.Electrical Equipment Maintenance Based on State is exactly that equipment will break down and overhaul before state, can guarantee the electric equipment safe operation like this, reduces the electric equipment spoilage, reduces interruption duration, extends the electric equipment time between overhauls(TBO), improves power supply reliability.
The technical research of Power Transformer Condition maintenance intelligent management is built, to play very big promotion to the economical operation of transformer substation system device security, at present at transformer, circuit breaker, lightning arrester, the capacitor of operation, stand with equipment such as power supplys, due to can not real-time monitoring equipment safe operation situation, cycled recondition is still carried out in the electric equipment maintenance, because it is that power supply quality is low that cycled recondition produces consequence, the device damage rate is high, power supply reliability is low, can not satisfy the needs of the modern life production of power consumer.If popularize power application Condition Maintenance Method of Transformer intelligent management technology in an all-round way, can improve widely power supply reliability, improved the credit worthiness of power supply enterprise, vital effect is played in technical development to the electrical network intelligent management simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of Power Transformer Condition maintenance intelligent management apapratus, and the Real Time Monitoring power transformer makes the power supply reliability of electrical network high.
The utility model adopts following technical proposals: a kind of Power Transformer Condition maintenance intelligent management apapratus comprises that Operation Condition of Power Transformers signal acquisition circuit, signal data calculate judgement treatment circuit, telecommunication circuit, Power Transformer Condition maintenance intelligent management command centre circuit; Described Operation Condition of Power Transformers signal acquisition circuit collects various signal datas and exports to described signal data calculating judgement treatment circuit, described signal data calculates the output of judgement treatment circuit and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition maintenance intelligent management command centre; Described Operation Condition of Power Transformers signal monitoring acquisition process circuit comprises the power transformer of various voltages.
Described Operation Condition of Power Transformers signal acquisition circuit comprises
Temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature from the transformer body; Gather the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor;
From the humidity sensor of the transformer air-breather collection transformer air-breather silica gel of the signal signal acquisition circuit that makes moist that makes moist;
The multipoint earthing of iron core of transformer signal acquisition circuit is that the current transformer from the transformer core grounding line gathers the earth current signal;
The too high signal acquisition circuit of transformer output voltage is the voltage transformer collection voltage signal from the transformer outlet side;
The too low signal acquisition circuit of transformer output voltage is the voltage transformer collection voltage signal from the transformer outlet side;
Transformer terminal overtemperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in terminal a certain position, gathers the terminal temperature data signal from detector unit;
The transformer overload signal acquisition circuit is L1, L2, L3 phase current to be exported the current signal that is fit to requirement after current transformer and load resistance conversion;
Transformer differential protection actuating signal Acquisition Circuit is to gather actuating signal from differential protective device of transformer;
Transformer protection actuating signal Acquisition Circuit is to gather actuating signal from gaseous shield of transformer;
Transformer oil abnormal signal Acquisition Circuit is to gather oily abnormal signal from the transformer oil on-Line Monitor Device;
The transformer high-voltage switch divides, co-bit is put signal acquisition circuit, is from high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal;
The transformer Medium voltage switch or circuit breaker divides, co-bit is put signal acquisition circuit, is from Medium voltage switch or circuit breaker motor-operating mechanism auxiliary contact collection position signal;
The transformer low voltage switch divides, co-bit is put signal acquisition circuit, is from low tension switch motor-operating mechanism auxiliary contact collection position signal;
The transformer neutral point leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard thread detector from leakage current of an arrester.
Described signal data calculates the judgement treatment circuit and comprises the A/D translation circuit, calculates decision circuitry, executive component; The signal input part of described A/D translation circuit connects described Operation Condition of Power Transformers signal acquisition circuit, described A/D translation circuit output connects described calculating decision circuitry, described calculating decision circuitry output connects described executive component, and described executive component output connects described telecommunication circuit.
Described telecommunication circuit comprises the optical fiber communication circuit of collection terminal and the optical fiber communication circuit of command centre's end, and described optical fiber communication circuit comprises fiber optic cables, optical transceiver; Described optical transceiver comprises optical transmission circuit, optical receiving circuit; Described fiber optic cables are connected with the optical transceiver at two ends; Described executive component connects the optical transmission circuit of collection terminal, and described optical transmission circuit changes the signal of telecommunication of Operation Condition of Power Transformers into light signal, is transmitted to the optical receiving circuit of command centre's end by fiber optic cables.
The utility model is to utilize advanced computer technology, monitoring technology, modern communication technology, thereby develops a kind of remote real-time data detection, intelligent repair based on condition of component intelligent management for the power transformer system.The utility model technological progress, reasonable in design, the desirable Power Transformer Condition of realizing overhauls, and will play positive facilitation for the Power system development intelligent construction, the concrete advantage of this Power Transformer Condition maintenance intelligent management system:
1, this Power Transformer Condition overhauls intelligent management system monitoring power electric voltage transformer system device security Economic Operation at any time, has changed cycled recondition pattern in the past, has improved the security reliability of power supply.
2, this Power Transformer Condition overhauls intelligent management system Monitoring Power Transformer system power supply equipment running technology data at any time, can know at any time at any time the abnormal conditions such as voltage, electric current, temperature of power transformer by remote measurement, remote signalling, can in time arrange maintenance according to on-the-spot Operation Condition of Power Transformers.Improve power supply reliability, improved the credit worthiness of power supply enterprise, improved power supply enterprise and economic results in society.
Description of drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the theory diagram that signal data of the present utility model calculates decision circuitry, telecommunication circuit;
Embodiment
As shown in Figure 1, a kind of Power Transformer Condition of the utility model maintenance intelligent management apapratus comprises that Operation Condition of Power Transformers signal acquisition circuit, signal data calculate judgement treatment circuit, telecommunication circuit, Power Transformer Condition maintenance intelligent management command centre circuit; Described Operation Condition of Power Transformers signal acquisition circuit collects various signal datas and exports to described signal data calculating judgement treatment circuit, described signal data calculates the output of judgement treatment circuit and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition maintenance intelligent management command centre; Described Operation Condition of Power Transformers signal monitoring acquisition process circuit comprises the power transformer of various voltages.
Wherein said Operation Condition of Power Transformers signal acquisition circuit comprises
Temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature from the transformer body; Gather the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor;
From the humidity sensor of the transformer air-breather collection transformer air-breather silica gel of the signal signal acquisition circuit that makes moist that makes moist;
The multipoint earthing of iron core of transformer signal acquisition circuit is that the current transformer from the transformer core grounding line gathers the earth current signal;
The too high signal acquisition circuit of transformer output voltage is the voltage transformer collection voltage signal from the transformer outlet side;
The too low signal acquisition circuit of transformer output voltage is the voltage transformer collection voltage signal from the transformer outlet side;
Transformer terminal overtemperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in terminal a certain position, gathers the terminal temperature data signal from detector unit;
The transformer overload signal acquisition circuit is L1, L2, L3 phase current to be exported the current signal that is fit to requirement after current transformer and load resistance conversion;
Transformer differential protection actuating signal Acquisition Circuit is to gather actuating signal from differential protective device of transformer;
Transformer protection actuating signal Acquisition Circuit is to gather actuating signal from gaseous shield of transformer;
Transformer oil abnormal signal Acquisition Circuit is to gather oily abnormal signal from the transformer oil on-Line Monitor Device;
The transformer high-voltage switch divides, co-bit is put signal acquisition circuit, is from high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal;
The transformer Medium voltage switch or circuit breaker divides, co-bit is put signal acquisition circuit, is from Medium voltage switch or circuit breaker motor-operating mechanism auxiliary contact collection position signal;
The transformer low voltage switch divides, co-bit is put signal acquisition circuit, is from low tension switch motor-operating mechanism auxiliary contact collection position signal;
The transformer neutral point leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard thread detector from leakage current of an arrester.
As shown in Figure 2, described signal data calculates and judges that treatment circuit comprises the A/D translation circuit, calculates decision circuitry, executive component; The signal input part of described A/D translation circuit connects described Operation Condition of Power Transformers signal acquisition circuit, described A/D translation circuit output connects described calculating decision circuitry, described calculating decision circuitry output connects described executive component, and described executive component output connects described telecommunication circuit.Described telecommunication circuit comprises the optical fiber communication circuit of collection terminal and the optical fiber communication circuit of command centre's end, and described optical fiber communication circuit comprises fiber optic cables, optical transceiver; Described optical transceiver comprises optical transmission circuit, optical receiving circuit; Described fiber optic cables are connected with the optical transceiver at two ends; Described executive component connects the optical transmission circuit of collection terminal, and described optical transmission circuit changes the signal of telecommunication of Operation Condition of Power Transformers into light signal, is transmitted to the optical receiving circuit of command centre's end by fiber optic cables.
the utility model can be monitored a plurality of power transformers, each signal of Operation Condition of Power Transformers signal acquisition circuit Real-time Collection power transformer is also exported to the signal data and is calculated the judgement treatment circuit, if power transformer generation operation exception, send to Power Transformer Condition maintenance intelligent management command centre by telecommunication circuit, the person on duty can find fault-signal at any time, notify immediately the related personnel to process, can shorten fault handling time, reduced worker's labour intensity, and raising power supply safety reliability, improve amount of power supply, improve the corporate social credit worthiness, increase enterprise and social benefit.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.

Claims (4)

1. Power Transformer Condition maintenance intelligent management apapratus is characterized in that: comprise that Operation Condition of Power Transformers signal acquisition circuit, signal data calculate judgement treatment circuit, telecommunication circuit, Power Transformer Condition maintenance intelligent management command centre circuit; Described Operation Condition of Power Transformers signal acquisition circuit collects various signal datas and exports to described signal data calculating judgement treatment circuit, described signal data calculates the output of judgement treatment circuit and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition maintenance intelligent management command centre; Described Operation Condition of Power Transformers signal monitoring acquisition process circuit comprises the power transformer of various voltages.
2. Power Transformer Condition according to claim 1 overhauls intelligent management apapratus, and it is characterized in that: described Operation Condition of Power Transformers signal acquisition circuit comprises
Temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature from the transformer body; Gather the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor;
From the humidity sensor of the transformer air-breather collection transformer air-breather silica gel of the signal signal acquisition circuit that makes moist that makes moist;
The multipoint earthing of iron core of transformer signal acquisition circuit is that the current transformer from the transformer core grounding line gathers the earth current signal;
The too high signal acquisition circuit of transformer output voltage is the voltage transformer collection voltage signal from the transformer outlet side;
The too low signal acquisition circuit of transformer output voltage is the voltage transformer collection voltage signal from the transformer outlet side;
Transformer terminal overtemperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in terminal a certain position, gathers the terminal temperature data signal from detector unit;
The transformer overload signal acquisition circuit is L1, L2, L3 phase current to be exported the current signal that is fit to requirement after current transformer and load resistance conversion;
Transformer differential protection actuating signal Acquisition Circuit is to gather actuating signal from differential protective device of transformer;
Transformer protection actuating signal Acquisition Circuit is to gather actuating signal from gaseous shield of transformer;
Transformer oil abnormal signal Acquisition Circuit is to gather oily abnormal signal from the transformer oil on-Line Monitor Device;
The transformer high-voltage switch divides, co-bit is put signal acquisition circuit, is from high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal;
The transformer Medium voltage switch or circuit breaker divides, co-bit is put signal acquisition circuit, is from Medium voltage switch or circuit breaker motor-operating mechanism auxiliary contact collection position signal;
The transformer low voltage switch divides, co-bit is put signal acquisition circuit, is from low tension switch motor-operating mechanism auxiliary contact collection position signal;
The transformer neutral point leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard thread detector from leakage current of an arrester.
3. Power Transformer Condition according to claim 1 overhauls intelligent management apapratus, it is characterized in that: described signal data calculates the judgement treatment circuit and comprises the A/D translation circuit, calculates decision circuitry, executive component; The signal input part of described A/D translation circuit connects described Operation Condition of Power Transformers signal acquisition circuit, described A/D translation circuit output connects described calculating decision circuitry, described calculating decision circuitry output connects described executive component, and described executive component output connects described telecommunication circuit.
4. Power Transformer Condition according to claim 1 overhauls intelligent management apapratus, it is characterized in that: described telecommunication circuit comprises the optical fiber communication circuit of collection terminal and the optical fiber communication circuit of command centre's end, and described optical fiber communication circuit comprises fiber optic cables, optical transceiver; Described optical transceiver comprises optical transmission circuit, optical receiving circuit; Described fiber optic cables are connected with the optical transceiver at two ends; Described executive component connects the optical transmission circuit of collection terminal, and described optical transmission circuit changes the signal of telecommunication of Operation Condition of Power Transformers into light signal, is transmitted to the optical receiving circuit of command centre's end by fiber optic cables.
CN 201220658194 2012-12-04 2012-12-04 Intelligent management device for power transformer state maintenance Expired - Fee Related CN202940493U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103050896A (en) * 2012-12-04 2013-04-17 河南省电力公司驻马店供电公司 Intelligent management device for condition based maintenance of electric transformer
CN112290432A (en) * 2020-10-10 2021-01-29 苏州中康电力运营有限公司 Transformer overhauling method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103050896A (en) * 2012-12-04 2013-04-17 河南省电力公司驻马店供电公司 Intelligent management device for condition based maintenance of electric transformer
CN103050896B (en) * 2012-12-04 2016-06-29 河南省电力公司驻马店供电公司 Power Transformer Condition maintenance intelligent management apapratus
CN112290432A (en) * 2020-10-10 2021-01-29 苏州中康电力运营有限公司 Transformer overhauling method

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

Granted publication date: 20130515

Termination date: 20161204

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