CN205450189U - Transformer partial discharge positioning detecting system - Google Patents
Transformer partial discharge positioning detecting system Download PDFInfo
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- CN205450189U CN205450189U CN201620283276.XU CN201620283276U CN205450189U CN 205450189 U CN205450189 U CN 205450189U CN 201620283276 U CN201620283276 U CN 201620283276U CN 205450189 U CN205450189 U CN 205450189U
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- transformer
- partial discharge
- detecting system
- position detecting
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Abstract
The utility model discloses a transformer partial discharge positioning detecting system, including high -pressure withstanding voltage tester, current transformer, oscilloscope and treater, high -pressure withstanding voltage tester and current transformer establish ties, detect the electric current information of transformer, oscilloscope connects at current transformer's both ends, detects the pulse signal of the high -speed response at current transformer both ends, oscilloscope is connected with the treater, sends the pulse signal who gathers to the treater. When the scheme is adopted, the utility model discloses when the transformer moves, can timely its latent trouble accuracy of discovery judge fault location, to timely the maintaining of transformer, promote the life of transformer, increase the reliability of supply network, have fine market using value.
Description
Technical field
This utility model relates to partial discharge of transformer technology for detection field, in particular, a kind of partial discharge of transformer position detecting system.
Background technology
Grid automation level constantly rises, and electrical network scale is also growing stronger day by day, and so bring us is that the task of equipment repair and maintenance is the heaviest, and the cost of overhaul increases.Transformator is the equipment that in power system, cost is the highest, its safety work, is not only related to safety in production and the economic interests of electric power enterprise, and the impact on society also cannot be estimated.And the shelf depreciation of transformator is a kind of latent defect, in the transformer test of Partial Discharge Detection room important one, periodic detection partial discharge of transformer is not only and is exercised supervision transformer insulated level, and be to judge the effective ways that its insulation long-term safety is run, traditional detection method needs equipment complexity, test dangerous high, needs to improve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of new partial discharge of transformer position detecting system.
For achieving the above object, this utility model be have employed following technical scheme: a kind of partial discharge of transformer position detecting system, including high pressure Hi-pot Tester, current transformer, oscillograph and processor, described high pressure Hi-pot Tester is connected with current transformer, the current information of detection transformator；
Described oscillograph is connected to the two ends of current transformer, the pulse signal of the high-speed response at detection current transformer two ends；
Described oscillograph is connected with processor, sends the pulse signal gathered to processor.
Preferably, in described partial discharge of transformer position detecting system, being provided with wave filter between described oscillograph and processor, described oscillograph is connected with processor by wave filter, and described wave filter sends to processor after being filtered by the pulse signal of oscillograph collection.
Preferably, in described partial discharge of transformer position detecting system, described processor is also associated with display, is shown by incoming for the information that detects display.
Preferably, in described partial discharge of transformer position detecting system, described processor is also associated with control panel.
Preferably, in described partial discharge of transformer position detecting system, also include uhf sensor and detector amplifier, described uhf sensor and detector amplifier connect, when transformator generation shelf depreciation, uhf sensor detects the hyperfrequency electromagnetic signal of transformator generation and sends to detector amplifier；
Described detector amplifier is connected with processor, and detector amplifier sends to processor after hyperfrequency electromagnetic signal is carried out detection.
Preferably, in described partial discharge of transformer position detecting system, being additionally provided with resistance, described oscillograph is in series with a resistor.
Preferably, in described partial discharge of transformer position detecting system, being additionally provided with resistance, described oscillograph is in parallel with a resistor, for immediately arriving at curent change situation from oscillograph.
Preferably, in described partial discharge of transformer position detecting system, also include that radio communication unit, described processor are connected with radio communication unit, be connected with long-range control and monitor console by radio communication unit access network.
Preferably, in described partial discharge of transformer position detecting system, the mobile network that network is mobile phone operators that described radio communication unit accesses is or/and the Internet.
Preferably, in described partial discharge of transformer position detecting system, described processor is also associated with alarm unit, and described alarm unit includes that LED warning lamp and a buzzer, described LED warning lamp and buzzer are connected with processor respectively.
Provide the benefit that relative to prior art, use such scheme, this utility model is when transformator runs, can find that its potential fault is accurately judged to abort situation timely, transformator is keeped in repair timely, promote the service life of transformator, increase the reliability of supply network, there is good market using value.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of an embodiment of the present utility model；
Fig. 2 is the flow chart of Fig. 1 embodiment of the present utility model.
Detailed description of the invention
For the ease of understanding this utility model, below in conjunction with the accompanying drawings and specific embodiment, this utility model is described in detail.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can realize in many different forms, however it is not limited to the embodiment described by this specification.On the contrary, providing the purpose of these embodiments is to make the understanding to disclosure of the present utility model more thorough comprehensively.
It should be noted that be referred to as " being fixed on " another element when element, it can be directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, and it can be directly to another element or may be simultaneously present centering elements.The term that this specification is used " is connected ", " in parallel ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technology that this specification is used and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model are generally understood that.This specification is intended merely to describe the purpose of specific embodiment at term used in the description of the present utility model, is not intended to limit this utility model.The term "and/or" that this specification is used includes the arbitrary and all of combination of one or more relevant Listed Items.
As shown in Figure 1 and Figure 2, an embodiment of the present utility model is, this partial discharge of transformer position detecting system, including high pressure Hi-pot Tester 1, current transformer 2, oscillograph 5 and processor 11, described high pressure Hi-pot Tester 1 is connected with current transformer 2, the current information of detection transformator；Described oscillograph is connected to the two ends of current transformer, the pulse signal of the high-speed response at detection current transformer two ends；Described oscillograph is connected with processor, sends the pulse signal gathered to processor.Preferably, it is provided with wave filter 8 between described oscillograph 5 and processor 11, described oscillograph is connected with processor by wave filter, described wave filter sends to processor after being filtered by the pulse signal of oscillograph collection, reduce through signal processing speed, it is then passed through the filtering of wave filter, obtains waveform, amplified by oscillograph and draw a peak current；The oscillographic power current of described current ratio is much bigger, and just explanation is to there occurs shelf depreciation so that it is determined that discharge position.
Preferably, described processor 11 is also associated with display 4, is shown by incoming for the information that detects display.Preferably, described processor 11 is also associated with control panel 9, and the state of the processor of this partial discharge of transformer position detecting system controls and some operational orders can be set by control panel.Preferably, described processor has the function receiving and storing signal, and described processor typically uses computer, notebook or panel computer etc. to have storage data and the equipment of data computing capability.
Preferably, in described partial discharge of transformer position detecting system, also include uhf sensor 3 and detector amplifier 6, described uhf sensor and detector amplifier connect, when transformator generation shelf depreciation, uhf sensor detects the hyperfrequency electromagnetic signal of transformator generation and sends to detector amplifier；Described detector amplifier is connected with processor, and detector amplifier sends to processor after hyperfrequency electromagnetic signal is carried out detection.
Preferably, in described partial discharge of transformer position detecting system, being additionally provided with resistance, described oscillograph is in series with a resistor.Or, described oscillograph is in parallel with a resistor, for immediately arriving at curent change situation from oscillograph.
Preferably, in described partial discharge of transformer position detecting system, also including radio communication unit 7, described processor 11 is connected with radio communication unit 7, is connected with long-range control and monitor console by radio communication unit access network.Preferably, the mobile network that network is mobile phone operators that described radio communication unit accesses is or/and the Internet.Preferably, described processor is also associated with alarm unit, and described alarm unit includes that LED warning lamp and a buzzer, described LED warning lamp and buzzer are connected with processor respectively.
In the present embodiment, this partial discharge of transformer position detecting system, hyperfrequency electromagnetic signal after filtered pulse signal and detection is sent to processor, processor hyperfrequency electromagnetic signal after receiving and store filtered pulse signal and detection, and according to the hyperfrequency electromagnetic signal after detection and filtered pulse signal, Locating Partial Discharge Sources in Transformer is positioned.Meanwhile, incoming for information display can be shown by processor, and sends alarm by alarm unit；By radio communication unit access network, information fed back to long-range control and monitor console, in order to staff processes in time.
In this partial discharge of transformer position detecting system, step 1: include the series connection of high pressure Hi-pot Tester summation current transformer, draw the test electric current of its transformator；Step 2: the current signal obtained is sampled；Step 3: the current signal of sampling is carried out signal output through high accuracy oscillograph；Step 4: the current signal through high accuracy oscillograph output is contrasted with oscillographic power current, if with the presence of great spiking；Step 5: have greatly spike in the comparing result of output, then it represents that transformator also exists shelf depreciation, needs to keep in repair；Step 6: there is not greatly spike in the comparing result of output, then it represents that transformator does not exist shelf depreciation, continues sampled signal.Using such scheme, transformator operationally, can find that its potential fault is accurately judged to abort situation timely, promote the service life of transformator, increase the reliability of supply network.
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, form various embodiments the most enumerated above, be accordingly to be regarded as the scope that this utility model description is recorded；Further, for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of this utility model claims.
Claims (10)
1. a partial discharge of transformer position detecting system, it is characterised in that include that high pressure Hi-pot Tester, current transformer, oscillograph and processor, described high pressure Hi-pot Tester are connected with current transformer, the current information of detection transformator；
Described oscillograph is connected to the two ends of current transformer, the pulse signal of the high-speed response at detection current transformer two ends；
Described oscillograph is connected with processor, sends the pulse signal gathered to processor.
Partial discharge of transformer position detecting system the most according to claim 1, it is characterized in that, being provided with wave filter between described oscillograph and processor, described oscillograph is connected with processor by wave filter, and described wave filter sends to processor after being filtered by the pulse signal of oscillograph collection.
Partial discharge of transformer position detecting system the most according to claim 2, it is characterised in that described processor is also associated with display, shows incoming for the information that detects display.
Partial discharge of transformer position detecting system the most according to claim 3, it is characterised in that described processor is also associated with control panel.
Partial discharge of transformer position detecting system the most according to claim 4, it is characterized in that, also include uhf sensor and detector amplifier, described uhf sensor and detector amplifier connect, when transformator generation shelf depreciation, uhf sensor detects the hyperfrequency electromagnetic signal of transformator generation and sends to detector amplifier；
Described detector amplifier is connected with processor, and detector amplifier sends to processor after hyperfrequency electromagnetic signal is carried out detection.
6. Partial discharge of transformer position detecting system according to claim 5, it is characterised in that being additionally provided with resistance, described oscillograph is in series with a resistor.
Partial discharge of transformer position detecting system the most according to claim 5, it is characterised in that being additionally provided with resistance, described oscillograph is in parallel with a resistor, for immediately arriving at curent change situation from oscillograph.
Partial discharge of transformer position detecting system the most according to claim 5, it is characterised in that also include that radio communication unit, described processor are connected with radio communication unit, be connected with long-range control and monitor console by radio communication unit access network.
Partial discharge of transformer position detecting system the most according to claim 8, it is characterised in that the mobile network that network is mobile phone operators that described radio communication unit accesses is or/and the Internet.
10. according to the arbitrary described partial discharge of transformer position detecting system of claim 1-9, it is characterized in that, described processor is also associated with alarm unit, and described alarm unit includes that LED warning lamp and a buzzer, described LED warning lamp and buzzer are connected with processor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283276.XU CN205450189U (en) | 2016-04-07 | 2016-04-07 | Transformer partial discharge positioning detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283276.XU CN205450189U (en) | 2016-04-07 | 2016-04-07 | Transformer partial discharge positioning detecting system |
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| CN205450189U true CN205450189U (en) | 2016-08-10 |
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| CN201620283276.XU Expired - Fee Related CN205450189U (en) | 2016-04-07 | 2016-04-07 | Transformer partial discharge positioning detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483435A (en) * | 2016-11-24 | 2017-03-08 | 国网新疆电力公司电力科学研究院 | Transformer belt electric detection means |
-
2016
- 2016-04-07 CN CN201620283276.XU patent/CN205450189U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483435A (en) * | 2016-11-24 | 2017-03-08 | 国网新疆电力公司电力科学研究院 | Transformer belt electric detection means |
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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: 20160810 Termination date: 20170407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |