CN103050896B - Power Transformer Condition maintenance intelligent management apapratus - Google Patents
Power Transformer Condition maintenance intelligent management apapratus Download PDFInfo
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- CN103050896B CN103050896B CN201210511819.5A CN201210511819A CN103050896B CN 103050896 B CN103050896 B CN 103050896B CN 201210511819 A CN201210511819 A CN 201210511819A CN 103050896 B CN103050896 B CN 103050896B
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Abstract
The invention discloses a kind of Power Transformer Condition maintenance intelligent management apapratus, overhaul intelligent management command centre circuit including Operation Condition of Power Transformers signal acquisition circuit, signal data calculating judgement process circuit, telecommunication circuit, Power Transformer Condition；Described Operation Condition of Power Transformers signal acquisition circuit collects various signal data and exports to described signal data calculating judgement process circuit, the calculating judgement of described signal data processes circuit output and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition and overhauls intelligent management command centre；Can the running technology data of Monitoring Power Transformer at any time, find the abnormal conditions such as transformator and the voltage of power distribution equipment, electric current, temperature in time, it is possible to arrange maintenance in time according to field apparatus running status.
Description
Technical field
The present invention relates to Power Transformer Condition maintenance field, particularly relate to a kind of Power Transformer Condition maintenance intelligent management apapratus.
Background technology
Electrical Equipment Maintenance Based on State work is carried out in current power system comprehensively, and electrical network electrical equipment is carried out repair based on condition of component.The application of Power Transformer Condition service technique has only just started starting, fail due to a variety of causes to be generalizable always comprehensively, intelligent management technical research is overhauled for Power Transformer Condition, mainly for transformator, chopper, spark gap, capacitor, stands 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, so can ensure that electrical equipment safe operation, reduces electrical equipment spoilage, reduce power off time, extend the maintenance of electrical equipment cycle, improves power supply reliability.
Power Transformer Condition maintenance intelligent management technical research is built, transformer substation system equipment safety and economic operation will be played very big promotion, at present at the transformator, chopper, spark gap, the capacitor that run, stand with equipment such as power supplys, due to can not real-time monitoring equipment safe operation situation, maintenance of electrical equipment still carries out cycled recondition, because it is that power supply quality is low that cycled recondition produces consequence, device damage rate is high, power supply reliability is low, it is impossible to meet the needs that the modern life of power consumer produces.If popularizing power application Condition Maintenance Method of Transformer intelligent management technology in an all-round way, can greatly improve power supply reliability, improve the credit worthiness of power supply enterprise, vital effect being played in electrical network intelligent management technical development simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of Power Transformer Condition maintenance intelligent management apapratus, monitor in real time power transformer, the power supply reliability making electrical network is high.
The present invention adopts following technical proposals: a kind of Power Transformer Condition maintenance intelligent management apapratus, overhauls intelligent management command centre circuit including Operation Condition of Power Transformers signal acquisition circuit, signal data calculating judgement process circuit, telecommunication circuit, Power Transformer Condition；Described Operation Condition of Power Transformers signal acquisition circuit collects various signal data and exports to described signal data calculating judgement process circuit, the calculating judgement of described signal data processes circuit output and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition and overhauls intelligent management command centre；Described Operation Condition of Power Transformers signal monitoring acquisition process circuit, including the power transformer of various voltages.
Described Operation Condition of Power Transformers signal acquisition circuit includes
From transformer body, temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature；The transformer oil level signal acquisition circuit of oil level signal is gathered from transformer oil level sensor；
Gather the transformator air-breather silica gel of the signal that makes moist from the humidity sensor of transformator air-breather to make moist signal acquisition circuit；
Multipoint earthing of iron core of transformer signal acquisition circuit, is gather earth current signal from the current transformer on transformer core grounding line；
The too high signal acquisition circuit of transformer output voltage, is gather voltage signal from the voltage transformer of transformator outlet side；
The too low signal acquisition circuit of transformer output voltage, is gather voltage signal from the voltage transformer of transformator outlet side；
Transformator terminal overtemperature signal acquisition circuit, is that detector unit digital temperature sensor is connected to a certain position of terminal, gathers terminal temperature data signal from detector unit；
Transformer overload signal acquisition circuit, is that the output after current transformer and load resistance convert of L1, L2, L3 phase current is suitable for the current signal required；
Transformer differential protection actuating signal Acquisition Circuit, is gather actuating signal from differential protective device of transformer；
Transformator protection actuating signal Acquisition Circuit, is gather actuating signal from gaseous shield of transformer；
Transformer oil abnormal signal Acquisition Circuit, is gather oil abnormal signal from transformer oil on-Line Monitor Device；
Transformer high-voltage switch point, conjunction position signal acquisition circuit, be gather position signalling from high-voltage switch gear motor-operating mechanism auxiliary contact；
Transformator Medium voltage switch or circuit breaker divides, closes position signal acquisition circuit, is gather position signalling from Medium voltage switch or circuit breaker motor-operating mechanism auxiliary contact；
Transformer low voltage switch point, conjunction position signal acquisition circuit, be gather position signalling from low tension switch motor-operating mechanism auxiliary contact；
Transformer neutral point leakage current of an arrester exceeds standard signal acquisition circuit, gathers leakage current of an arrester and exceed standard signal from leakage current of an arrester on-line checking device.
Described signal data calculates judgement process circuit and includes 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, the output of described calculating decision circuitry connects described executive component, and described executive component output connects described telecommunication circuit.
Described telecommunication circuit includes the fiber optic communication circuit of collection terminal and the fiber optic communication circuit of command centre's end, and described fiber optic communication circuit includes fiber optic cables, optical transmitter and receiver；Described optical transmitter and receiver includes optical transmission circuit, optical receiving circuit；Described fiber optic cables are connected with the optical transmitter and receiver at two ends；Described executive component connects the optical transmission circuit of collection terminal, and the signal of telecommunication of Operation Condition of Power Transformers is changed into optical signal by described optical transmission circuit, is transmitted to the optical receiving circuit of command centre's end by fiber optic cables.
The present invention utilizes advanced computer technology, monitoring technology, modern communication technology, thus develop a kind of remote real-time data for power transformer system detect, intellectuality repair based on condition of component intelligent management.The technology of the present invention progress, reasonable in design, desirably realize Power Transformer Condition maintenance, positive facilitation will be played for Power system development intelligent construction, this Power Transformer Condition maintenance concrete advantage of intelligent management system:
1, this Power Transformer Condition maintenance intelligent management system monitoring power electric voltage transformer system equipment safety and economic operation situation at any time, changes cycled recondition pattern in the past, improves the security reliability of power supply.
2, this Power Transformer Condition maintenance intelligent management system Monitoring Power Transformer system power supply equipment running technology data at any time, the abnormal conditions such as the voltage of power transformer, electric current, temperature can be known at any time at any time, it is possible to arrange maintenance in time according to on-the-spot Operation Condition of Power Transformers by remote measurement, remote signalling.Improve power supply reliability, improve the credit worthiness of power supply enterprise, improve power supply enterprise and economic results in society.
Accompanying drawing explanation
Fig. 1 is principles of the invention block diagram；
Fig. 2 is the theory diagram of the signal data calculating decision circuitry of the present invention, telecommunication circuit；
Detailed description of the invention
As shown in Figure 1, one Power Transformer Condition of the present invention maintenance intelligent management apapratus, overhauls intelligent management command centre circuit including Operation Condition of Power Transformers signal acquisition circuit, signal data calculating judgement process circuit, telecommunication circuit, Power Transformer Condition；Described Operation Condition of Power Transformers signal acquisition circuit collects various signal data and exports to described signal data calculating judgement process circuit, the calculating judgement of described signal data processes circuit output and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition and overhauls intelligent management command centre；Described Operation Condition of Power Transformers signal monitoring acquisition process circuit, including the power transformer of various voltages.
Wherein said Operation Condition of Power Transformers signal acquisition circuit includes
From transformer body, temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature；The transformer oil level signal acquisition circuit of oil level signal is gathered from transformer oil level sensor；
Gather the transformator air-breather silica gel of the signal that makes moist from the humidity sensor of transformator air-breather to make moist signal acquisition circuit；
Multipoint earthing of iron core of transformer signal acquisition circuit, is gather earth current signal from the current transformer on transformer core grounding line；
The too high signal acquisition circuit of transformer output voltage, is gather voltage signal from the voltage transformer of transformator outlet side；
The too low signal acquisition circuit of transformer output voltage, is gather voltage signal from the voltage transformer of transformator outlet side；
Transformator terminal overtemperature signal acquisition circuit, is that detector unit digital temperature sensor is connected to a certain position of terminal, gathers terminal temperature data signal from detector unit；
Transformer overload signal acquisition circuit, is that the output after current transformer and load resistance convert of L1, L2, L3 phase current is suitable for the current signal required；
Transformer differential protection actuating signal Acquisition Circuit, is gather actuating signal from differential protective device of transformer；
Transformator protection actuating signal Acquisition Circuit, is gather actuating signal from gaseous shield of transformer；
Transformer oil abnormal signal Acquisition Circuit, is gather oil abnormal signal from transformer oil on-Line Monitor Device；
Transformer high-voltage switch point, conjunction position signal acquisition circuit, be gather position signalling from high-voltage switch gear motor-operating mechanism auxiliary contact；
Transformator Medium voltage switch or circuit breaker divides, closes position signal acquisition circuit, is gather position signalling from Medium voltage switch or circuit breaker motor-operating mechanism auxiliary contact；
Transformer low voltage switch point, conjunction position signal acquisition circuit, be gather position signalling from low tension switch motor-operating mechanism auxiliary contact；
Transformer neutral point leakage current of an arrester exceeds standard signal acquisition circuit, gathers leakage current of an arrester and exceed standard signal from leakage current of an arrester on-line checking device.
Include A/D translation circuit as in figure 2 it is shown, described signal data calculates judgement process circuit, calculate 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, the output of described calculating decision circuitry connects described executive component, and described executive component output connects described telecommunication circuit.Described telecommunication circuit includes the fiber optic communication circuit of collection terminal and the fiber optic communication circuit of command centre's end, and described fiber optic communication circuit includes fiber optic cables, optical transmitter and receiver；Described optical transmitter and receiver includes optical transmission circuit, optical receiving circuit；Described fiber optic cables are connected with the optical transmitter and receiver at two ends；Described executive component connects the optical transmission circuit of collection terminal, and the signal of telecommunication of Operation Condition of Power Transformers is changed into optical signal by described optical transmission circuit, is transmitted to the optical receiving circuit of command centre's end by fiber optic cables.
The present invention can monitor multiple power transformer, each signal of Operation Condition of Power Transformers signal acquisition circuit Real-time Collection power transformer output calculate judgement to signal data and process circuit, if power transformer generation operation exception, then it is sent to Power Transformer Condition by telecommunication circuit and overhauls intelligent management command centre, person on duty can find fault-signal at any time, notify that related personnel processes immediately, fault handling time can be shortened, decrease the labor intensity of worker, and improve power supply safety reliability, improve delivery, improve corporate social credit worthiness, increase enterprise and social benefit.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement；Without deviating 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 is claimed.
Claims (2)
1. a Power Transformer Condition maintenance intelligent management apapratus, it is characterised in that: include Operation Condition of Power Transformers signal acquisition circuit, signal data calculates judgement process circuit, telecommunication circuit, Power Transformer Condition overhaul intelligent management command centre circuit；Described Operation Condition of Power Transformers signal acquisition circuit collects various signal data and exports to described signal data calculating judgement process circuit, the calculating judgement of described signal data processes circuit output and connects telecommunication circuit, and described telecommunication circuit connects described Power Transformer Condition and overhauls intelligent management command centre；Described Operation Condition of Power Transformers signal acquisition circuit, including the power transformer of various voltages；
Described Operation Condition of Power Transformers signal acquisition circuit includes:
From transformer body, temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature；
The transformer oil level signal acquisition circuit of oil level signal is gathered from transformer oil level sensor；
Gather the transformator air-breather silica gel of the signal that makes moist from the humidity sensor of transformator air-breather to make moist signal acquisition circuit；
Multipoint earthing of iron core of transformer signal acquisition circuit, is gather earth current signal from the current transformer on transformer core grounding line；
The too high signal acquisition circuit of transformer output voltage, is gather voltage signal from the voltage transformer of transformator outlet side；
The too low signal acquisition circuit of transformer output voltage, is gather voltage signal from the voltage transformer of transformator outlet side；
Transformator terminal overtemperature signal acquisition circuit, is that detector unit digital temperature sensor is connected to a certain position of terminal, gathers terminal temperature data signal from detector unit；
Transformer overload signal acquisition circuit, is that the output after current transformer and load resistance convert of L1, L2, L3 phase current is suitable for the current signal required；
Transformer differential protection actuating signal Acquisition Circuit, is gather actuating signal from differential protective device of transformer；
Transformator protection actuating signal Acquisition Circuit, is gather actuating signal from gaseous shield of transformer；
Transformer oil abnormal signal Acquisition Circuit, is gather oil abnormal signal from transformer oil on-Line Monitor Device；
Transformer high-voltage switch point, conjunction position signal acquisition circuit, be gather position signalling from high-voltage switch gear motor-operating mechanism auxiliary contact；
Transformator Medium voltage switch or circuit breaker divides, closes position signal acquisition circuit, is gather position signalling from Medium voltage switch or circuit breaker motor-operating mechanism auxiliary contact；
Transformer low voltage switch point, conjunction position signal acquisition circuit, be gather position signalling from low tension switch motor-operating mechanism auxiliary contact；
Transformer neutral point leakage current of an arrester exceeds standard signal acquisition circuit, gathers leakage current of an arrester and exceed standard signal from leakage current of an arrester on-line checking device；
Described signal data calculates judgement process circuit and includes 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, the output of described calculating decision circuitry connects described executive component, and described executive component output connects described telecommunication circuit.
2. Power Transformer Condition according to claim 1 maintenance intelligent management apapratus, it is characterized in that: described telecommunication circuit includes the fiber optic communication circuit of collection terminal and the fiber optic communication circuit of command centre's end, and described fiber optic communication circuit includes fiber optic cables, optical transmitter and receiver；Described optical transmitter and receiver includes optical transmission circuit, optical receiving circuit；Described fiber optic cables are connected with the optical transmitter and receiver at two ends；Described executive component connects the optical transmission circuit of collection terminal, and the signal of telecommunication of Operation Condition of Power Transformers is changed into optical signal by described optical transmission circuit, is transmitted to the optical receiving circuit of command centre's end by fiber optic cables.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210511819.5A CN103050896B (en) | 2012-12-04 | 2012-12-04 | Power Transformer Condition maintenance intelligent management apapratus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210511819.5A CN103050896B (en) | 2012-12-04 | 2012-12-04 | Power Transformer Condition maintenance intelligent management apapratus |
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| CN103050896A CN103050896A (en) | 2013-04-17 |
| CN103050896B true CN103050896B (en) | 2016-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105301065A (en) * | 2014-05-31 | 2016-02-03 | 国家电网公司 | On-line monitoring device of power transformer respirator |
| CN106023539B (en) * | 2016-06-24 | 2018-08-17 | 国网山东省电力公司寿光市供电公司 | A kind of Operation Condition of Power Transformers warning device |
Citations (5)
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|---|---|---|---|---|
| CN101055209A (en) * | 2007-05-31 | 2007-10-17 | 淄博惠工仪器有限公司 | Switch cabinet contact temperature monitoring and alarming system |
| CN201278459Y (en) * | 2008-09-27 | 2009-07-22 | 山西南自晋能自动化成套有限公司 | Digital transformer protection apparatus |
| CN201699482U (en) * | 2010-06-07 | 2011-01-05 | 陈家斌 | Intelligent control device for power supply station area of distribution transformer |
| CN102624092A (en) * | 2012-04-01 | 2012-08-01 | 河南省电力公司驻马店供电公司 | Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone |
| CN202940493U (en) * | 2012-12-04 | 2013-05-15 | 河南省电力公司驻马店供电公司 | Intelligent management device for power transformer state maintenance |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055209A (en) * | 2007-05-31 | 2007-10-17 | 淄博惠工仪器有限公司 | Switch cabinet contact temperature monitoring and alarming system |
| CN201278459Y (en) * | 2008-09-27 | 2009-07-22 | 山西南自晋能自动化成套有限公司 | Digital transformer protection apparatus |
| CN201699482U (en) * | 2010-06-07 | 2011-01-05 | 陈家斌 | Intelligent control device for power supply station area of distribution transformer |
| CN102624092A (en) * | 2012-04-01 | 2012-08-01 | 河南省电力公司驻马店供电公司 | Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone |
| CN202940493U (en) * | 2012-12-04 | 2013-05-15 | 河南省电力公司驻马店供电公司 | Intelligent management device for power transformer state maintenance |
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