CN105676093A - Analog transformer device - Google Patents
Analog transformer device Download PDFInfo
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- CN105676093A CN105676093A CN201610228579.6A CN201610228579A CN105676093A CN 105676093 A CN105676093 A CN 105676093A CN 201610228579 A CN201610228579 A CN 201610228579A CN 105676093 A CN105676093 A CN 105676093A
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- oil
- insulating
- transformer device
- insulating oil
- vessel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
Abstract
The embodiment of the invention discloses an analog transformer device. The analog transformer device comprises an oil container containing insulating oil, an oil pump enabling the circulation of the insulating oil, and an oil-water separator used for carrying out separation on the insulating oil. A temperature sensor is arranged on the bottom part of the oil container. An electrode pair for charging the insulating oil is arranged on the center position of the oil container. Heaters for charging the insulating oil are symmetrically arranged around the electrode pair. The analog transformer device provided by the invention can accurately electric faults of transformers for partial discharge and breakdown discharge, and component contents of dissolved gas in the insulating oil and grease mixed insulating oil under the various electric faults are obtained, so that references are provided for judging whether the operation state of the transformer is normal and whether potential faults exist.
Description
Technical field
The present invention relates to electrical equipment technical field, particularly relate to a kind of analogue transformer device.
Background technology
Transformator is that the principle utilizing electromagnetic induction is to change the device of alternating voltage, in power system, transformator is one of expensive and important equipment, along with improving constantly of electric pressure, the probability that transformator breaks down is also more and more higher, and transformator is once break down, it will cause a regional large area, have a power failure for a long time, it is easy to cause the heavy losses of economy and the very big inconvenience of life. Therefore, finding the potential faults of transformator in time, it is to avoid burst accident, improve transformator reliability of operation, the research tool carrying out transformer fault simulation is of great significance.
Difference according to cooling medium, transformator can be divided into dry-type transformer and oil-filled transformer, wherein, dry-type transformer is dependent on the transformator that cross-ventilation carries out cooling down, oil-filled transformer then for relying on insulating oil as cooling medium, the transformator that coil and the magnetic core of transformator are cooled down. Wherein, oil-filled transformer is owing to having higher dielectric strength, longer service life, thus being widely used in high pressure, extra-high voltage transmission and electric railway traction power supply system.
In prior art, for oil-filled transformer, general oil dissolved gas technology finds the initial failure of inside transformer. But, continuous development along with insulating oil, Novel insulating oil such as synthetic ester, vegetable insulating oil replace in the past conventional mineral insulating oil gradually, these insulating oils and general mineral insulation oil component there are differences, and therefore can cause that under identical electric fault effect, the oil dissolved gas of insulating oil and oilpaper mix insulation there are differences. It is thus desirable to the situation of the oil dissolved gas studied at the test condition under various electric fault, and the fault diagnosis criterion of mineral insulating oil oil dissolved gas can not be applied mechanically simply.
Summary of the invention
The embodiment of the present invention provides a kind of analogue transformer device, with solve analogue transformer of the prior art can not accurate simulation shelf depreciation, the transformator electric fault of disruptive discharge obtain the problem of oil dissolved gas constituent content of insulating oil and oilpaper mix insulation under various electric fault.
In order to solve above-mentioned technical problem, the embodiment of the invention discloses following technical scheme:
A kind of analogue transformer device, including: it is contained with the oil vessel of insulating oil, the side of described oil vessel is respectively provided with the first oil-out and the first oil-in, described first oil-out is connected with oil pump by the first flowline, described first oil-in is connected with described oil pump by the first oil inlet pipe, the opposite side of described oil vessel is respectively provided with the second oil-out and the second oil-in, described second oil-out is connected with oil water separator by the second flowline, and described second oil-in is connected with described oil water separator by the second oil inlet pipe;The bottom of oil vessel is provided with temperature sensor, and the center of described oil vessel is provided with the electrode pair that described insulating oil is discharged, and the arranged symmetrically around of described electrode pair has the heater that described insulating oil is discharged.
Preferably, described heater includes criss-cross electric heating tube, and one end of described electric heating tube is provided with electrode slice, and described electrode slice is electrically connected to external power source, and the outside of described electrode slice is also enclosed with electro-insulating rubber.
Preferably, described oil water separator includes housing, and described housing is provided with the 3rd oil-in and the 3rd oil-out, and described 3rd oil-in is connected with described second flowline, and the 3rd oil-out is connected with described second oil inlet pipe.
Preferably, being provided with cylinder in described housing, described cylinder is between described second oil-in and described second oil-out, and the outside of described cylinder is provided with separating plate.
Preferably, described housing being additionally provided with leakage fluid dram, described leakage fluid dram is connected by funnel mouth and described housing are fixing, is provided with cone cap between described leakage fluid dram and described cylinder, and described cone cap is provided with downcomer towards the position of described leakage fluid dram.
From above technical scheme, the analogue transformer device that the embodiment of the present invention provides, including oil vessel, oil pump, oil water separator, electrode to, heater and temperature sensor, can accurate simulation shelf depreciation, the transformator electric fault of disruptive discharge obtain the oil dissolved gas constituent content of insulating oil and oilpaper mix insulation under various electric fault, thus for judging that whether normally and whether there is Hidden fault and provide reference transformator operation conditions.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, for those of ordinary skills, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of analogue transformer device that Fig. 1 provides for the embodiment of the present invention;
The structural representation of a kind of analogue transformer oil water separator that Fig. 2 provides for the embodiment of the present invention;
Illustrate:
1-oil vessel, 2-electrode pair, 3-the first oil-out, 4-the first oil-in, 5-oil pump, 6-heater, 7-electric heating tube, 8-electrode slice, 9-electro-insulating rubber, 10-temperature sensor, 11-oil water separator, 12-housing, 13-the 3rd oil-in, 14-the 3rd oil-out, 15-cylinder, 16-separating plate, 17-bores cap, 18-downcomer, 19-leakage fluid dram, 20-funnel mouth, 21-the second oil-out, 22-the second oil-in.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.
Referring to Fig. 1, for the structural representation of a kind of analogue transformer device that the embodiment of the present invention provides.
As shown in Figure 1, the analogue transformer device that the embodiment of the present invention provides, including: it is contained with the oil vessel 1 of insulating oil, the side of oil vessel is respectively arranged with the first oil-out 3 and the first oil-in 4, first oil-out 3 is connected with oil pump 5 by the first flowline, and the first oil-in 4 is connected with oil pump 5 by the first oil inlet pipe, and oil pump 5 makes the insulating oil in oil vessel 1 form circulation, the uniformity of Dissolved Gases in Insulating Oil can be improved so that it is more accurate to monitor.
The opposite side of oil vessel 1 is respectively provided with the second oil-out 21 and the second oil-in 22, and the second oil-out 21 is connected with oil water separator 11 by the second flowline, and the second oil-in 22 is connected with oil water separator 11 by the second oil inlet pipe. Insulating oil after detection can be carried out oil-water separation by oil water separator 11, improves the utilization ratio of insulating oil.
The bottom of oil vessel 1 is provided with temperature sensor 10, the center of oil vessel 1 is provided with for the electrode that insulating oil is discharged 2, the electrode heater 6 having insulating oil heating arranged symmetrically around to 2, heater can arrange multiple, as arranged four heaters 6 in the surrounding of electrode pair so that the electrode insulating oil homogeneous temperature to surrounding, certainly, may also set up six or eight, even more heaters 6, then this does not do detailed restriction. Insulating oil in oil vessel 1 can be discharged by electrode to 2, insulating oil can be heated by heater 6, temperature sensor 10 is arranged on inner wall of oil container by insulating support, the temperature of insulating oil can be detected, and there is thermometric feature accurately, arrangement above can detect insulating oil characteristic at different temperatures.
As a kind of preferred embodiment that invention provides, heater 6 includes criss-cross electric heating tube 7, and one end of electric heating tube 7 is provided with electrode slice 8, and electrode slice 8 is electrically connected to external power source, and electrode slice 8 is outside is also enclosed with electro-insulating rubber 9. Criss-cross electric heating tube 7 can improve the homogeneous heating degree of insulating oil.
Further, oil water separator 11 includes housing 12, and housing 12 is provided with the 3rd oil-in 13 and the 3rd oil-out 14, and the 3rd oil-in 13 is connected with the second flowline, and the 3rd oil-out 14 is connected with the second oil inlet pipe.
Being provided with cylinder 15 in housing 12, cylinder 15 is between the second oil-in 13 and the second oil-out 14, and the outside of cylinder 15 is provided with separating plate 16.
Being additionally provided with leakage fluid dram 19 on housing 12, leakage fluid dram 19 is connected by funnel mouth 20 is fixing with housing 12, is provided with cone cap 17 between leakage fluid dram 19 and cylinder 15, and cone cap 17 is provided with downcomer 18 towards the position of leakage fluid dram 19.
The insulating oil in oil water separator 11 is entered by the 3rd oil-in 13, strong rotation is formed under the effect of separating plate 16, and under the effect of cylinder 15 by insulating oil in the moisture that dissolves separate, isolated moisture falls in downcomer 18 along cone cap 17, and be flowed into leakage fluid dram 19 discharge by downcomer 18, the insulating oil after separation flows back in oil vessel 1 through the 3rd oil-out 14.
From above technical scheme, the analogue transformer device that the embodiment of the present invention provides, including oil vessel, oil pump, oil water separator, electrode to, heater and temperature sensor, can accurate simulation shelf depreciation, the transformator electric fault of disruptive discharge obtain the oil dissolved gas constituent content of insulating oil and oilpaper mix insulation under various electric fault, thus for judging that whether normally and whether there is Hidden fault and provide reference transformator operation conditions.
It should be noted that, in this article, the such as relational terms of " first " and " second " or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially. And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
The above is only the specific embodiment of the present invention, makes to skilled artisans appreciate that or realize the present invention. The multiple amendment of these embodiments be will be apparent to one skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (5)
1. an analogue transformer device, it is characterised in that including: be contained with the oil vessel (1) of insulating oil;
The side of described oil vessel (1) is respectively provided with the first oil-out (3) and the first oil-in (4), described first oil-out (3) is connected with oil pump (5) by the first flowline, described first oil-in (4) is connected with described oil pump (5) by the first oil inlet pipe, the opposite side of described oil vessel (1) is respectively provided with the second oil-out (21) and the second oil-in (22), described second oil-out (21) is connected with oil water separator (11) by the second flowline, described second oil-in (22) is connected with described oil water separator (11) by the second oil inlet pipe,
The bottom of described oil vessel (1) is provided with temperature sensor (10), the center of described oil vessel (1) is provided with for the electrode that described insulating oil is discharged (2), and the arranged symmetrically around of (2) is had the heater (6) around described insulating oil by described electrode.
2. analogue transformer device according to claim 1, it is characterized in that, described heater (6) includes criss-cross electric heating tube (7), one end of described electric heating tube (7) is provided with electrode slice (8), described electrode slice (8) is electrically connected to external power source, and described electrode slice (8) is outside is also enclosed with electro-insulating rubber (9).
3. analogue transformer device according to claim 1, it is characterized in that, described oil water separator (11) includes housing (12), described housing (12) is provided with the 3rd oil-in (13) and the 3rd oil-out (14), described 3rd oil-in (13) is connected with described second flowline, and described 3rd oil-out (14) is connected with described second oil inlet pipe.
4. analogue transformer device according to claim 3, it is characterized in that, cylinder (15) it is provided with in described housing (12), described cylinder (15) is positioned between described second oil-in (13) and described second oil-out (14), and the outside of described cylinder (15) is provided with separating plate (16).
5. analogue transformer device according to claim 3, it is characterized in that, being additionally provided with leakage fluid dram (19) on described housing (12), described leakage fluid dram (19) is connected by funnel mouth (20) and described housing (12) are fixing;
Being provided with cone cap (17) between described leakage fluid dram (19) and described cylinder (15), described cone cap (17) is provided with downcomer (18) towards the position of described leakage fluid dram (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228579.6A CN105676093B (en) | 2016-04-13 | 2016-04-13 | A kind of analogue transformer device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610228579.6A CN105676093B (en) | 2016-04-13 | 2016-04-13 | A kind of analogue transformer device |
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| CN105676093A true CN105676093A (en) | 2016-06-15 |
| CN105676093B CN105676093B (en) | 2019-04-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422200A (en) * | 2017-05-18 | 2017-12-01 | 中国电力科学研究院 | Transformer fault simulation system |
| CN110794266A (en) * | 2019-10-22 | 2020-02-14 | 南方电网科学研究院有限责任公司 | Degradation testing system and method for transformer oil |
| CN111579899A (en) * | 2020-04-26 | 2020-08-25 | 云南电网有限责任公司电力科学研究院 | Transformer fault simulation test system and method |
| CN112285510A (en) * | 2020-11-30 | 2021-01-29 | 海南电网有限责任公司电力科学研究院 | Transformer discharge experimental apparatus |
| CN113933657A (en) * | 2020-07-24 | 2022-01-14 | 中国科学院电工研究所 | Dielectric insulation performance testing device |
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| JPH04210709A (en) * | 1990-12-12 | 1992-07-31 | Toshiba Corp | Internal partial discharge detecting system for gas insulated switching device |
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| JPH04210709A (en) * | 1990-12-12 | 1992-07-31 | Toshiba Corp | Internal partial discharge detecting system for gas insulated switching device |
| CN201247288Y (en) * | 2008-06-30 | 2009-05-27 | 江苏省电力试验研究院有限公司 | Analog transformer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422200A (en) * | 2017-05-18 | 2017-12-01 | 中国电力科学研究院 | Transformer fault simulation system |
| CN110794266A (en) * | 2019-10-22 | 2020-02-14 | 南方电网科学研究院有限责任公司 | Degradation testing system and method for transformer oil |
| CN111579899A (en) * | 2020-04-26 | 2020-08-25 | 云南电网有限责任公司电力科学研究院 | Transformer fault simulation test system and method |
| CN113933657A (en) * | 2020-07-24 | 2022-01-14 | 中国科学院电工研究所 | Dielectric insulation performance testing device |
| CN112285510A (en) * | 2020-11-30 | 2021-01-29 | 海南电网有限责任公司电力科学研究院 | Transformer discharge experimental apparatus |
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| CN105676093B (en) | 2019-04-30 |
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