CN205450188U - Contain insulating oily breakdown voltage experimental study device of impurity - Google Patents
Contain insulating oily breakdown voltage experimental study device of impurity Download PDFInfo
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- CN205450188U CN205450188U CN201620263793.0U CN201620263793U CN205450188U CN 205450188 U CN205450188 U CN 205450188U CN 201620263793 U CN201620263793 U CN 201620263793U CN 205450188 U CN205450188 U CN 205450188U
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Abstract
The utility model discloses a contain insulating oily breakdown voltage experimental study device of impurity, including insulating oil pipe way, oil pump, flow control valve and flowmeter, insulating oil pipe says and all is provided with the electrode on two relative inner walls, the external high -pressure side of electrode, and another external low -pressure end or ground connection, insulating oil pipe way both ends are connected with the both ends of oil pump respectively, the flowmeter sets up says between the port at oil pump and insulating oil pipe, flow control valve sets up between oil pump and flowmeter. The utility model discloses can simulate the oil stream characteristic of the insulating oil of actual motion transformer to influence factor such as the solid foreign particles that combines to produce in the insulating oil of transformer in service, operating temperature, research contains the electrical breakdown characteristic of the insulating oil of impurity.
Description
Technical field
This utility model relates to a kind of impure insulating oil breakdown voltage test research device, belongs to high voltage and insulation technology field.
Background technology
Power transformer is the hinge type equipment of power system, is the key equipment of transformation of electrical energy, has important function in electrical network, and its reliability of operation is directly connected to the safety and stablization of power system.Substantial amounts of fault statistics analysis shows, transformer insulated fault is the main cause that obstruction equipment is properly functioning.The transformator many employings transformer insulation oil run in electrical network at present is as the cooling of transformator and insulant, aging action due to the mechanical vibration in transformator running, shelf depreciation and paper oil insulation, substantial amounts of solid impurity granule can be produced, such as ferrum granule, copper granule, carbon granule and fiber grain etc. in transformer oil.These metals and nonmetallic inclusion granule can be at the effect low suspension of oil stream in insulating oils; move to high electric field region under the effect of Coulomb force and dielectrophoretic force; and assemble in a large number near inside transformer device; cause shelf depreciation; time serious, impurity particle can form impurity foot bridge and runs through high-pressure side and the low-pressure end of inside transformer, causes the short trouble of transformator.Therefore, designing a kind of novel transformer insulation oil discharge test device, study the impurity particle affecting laws to the insulating properties of insulating oil, be conducive to setting up rational insulating oil granule content and control standard, the safe operation to power transformer is significant.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of impure insulating oil breakdown voltage test research device.
In order to achieve the above object, this utility model be the technical scheme is that
A kind of impure insulating oil breakdown voltage test research device, including insulating oil pipeline, oil pump, flow control valve and effusion meter, it is provided with electrode on two inwalls that described insulating oil pipeline is relative, one external high-pressure side of electrode, another external low-pressure end or ground connection, described insulating oil pipe ends is connected with the two ends of oil pump respectively, and described effusion meter is arranged between oil pump and insulating oil pipe end, and described flow control valve is arranged between oil pump and effusion meter.
Described insulating oil pipeline is arranged on support.
The electrode of external high-pressure side is connected with radome.
The electrode of external high-pressure side is arranged on insulating oil pipeline on inwall, and the electrode of external low-pressure end or ground connection is arranged under insulating oil pipeline on inwall.
Also including that temperature controller, heater and temperature sensing device, described heater and temperature sensing device are arranged in insulating oil pipeline, and arrange along insulating oil flow direction, described heater and temperature sensing device are all connected with temperature controller.
The beneficial effect that this utility model is reached: this utility model can simulate the oily properties of flow of actual motion transformer insulation oil, and combine in operation the influence factors such as the solid impurity granule, the running temperature that produce in transformer insulation oil, study the Dielectric Breakdown Character of impure insulating oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the sectional view of insulating oil pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
As it is shown in figure 1, a kind of impure insulating oil breakdown voltage test research device, including insulating oil pipeline 3, support 2, oil pump 7, flow control valve 6, effusion meter 8, temperature controller 5, heater 10 and temperature sensing device 9.
Insulating oil pipeline 3 is located on support 2, it is provided with electrode 1 on two inwalls that insulating oil pipeline 3 is relative, one external high-pressure side of electrode 1, another external low-pressure end or ground connection, the electrode 1 of external high-pressure side is connected with radome 4, two ends with oil pump 7 respectively, insulating oil pipeline 3 two ends are connected, effusion meter 8 is arranged between oil pump 7 and insulating oil pipeline 3 port, flow control valve 6 is arranged between oil pump 7 and effusion meter 8, heater 10 and temperature sensing device 9 are arranged in insulating oil pipeline 3, and arrange along insulating oil flow direction, heater 10 and temperature sensing device 9 are all connected with temperature controller 5.
Above-mentioned support 2 uses clear glass support.
The above-mentioned concrete size of insulating oil pipeline 3 is as shown in Figure 2, in order to easy to connect, the two inwall is the upper and lower inwall of insulating oil pipeline 3, and the electrode 1 of external high-pressure side is arranged on insulating oil pipeline 3 on inwall, and the electrode 1 of external low-pressure end or ground connection is arranged on 3 times inwalls of insulating oil pipeline.
Above-mentioned radome 4 is put for the office reduced in experimentation, uses common spherical shield cover.
Above-mentioned oil pump 7, the position of flow control valve 6 and effusion meter 8 can have multiple, as long as ensureing the flow control valve 6 centre at oil pump 7 with effusion meter 8, and maintain a certain distance, oil pump 7 here, flow control valve 6 and effusion meter 8 set gradually along insulating oil flow direction, wherein the effect of oil pump 7 mainly controls insulating oil and flows to direction, insulating oil pipeline 3 side and provide certain thrust, insulating oil is made to reach certain flow velocity, the fine tuning to insulating oil flow velocity can be realized in conjunction with flow control valve 6, insulating oil flow velocity within insulating oil pipeline 3 can carry out real-time observation by effusion meter 8.
Above-mentioned temperature controller 5 is primarily to meet the demand of the insulating oil experiment of some needs degree of examining temperature impact, the oil temperature in oil duct is controlled by controlling the heating duration of heater 10, and combine the temperature of temperature sensing device 9 feedback, regulate the working time of heater 10 in real time, it is possible to realize the control to insulating oil temperature.Here heater 10 and temperature sensing device 9 respectively add thermal resistance and temperature sensor.
Work process is: impure insulating oil is under the effect of ordering about of oil pump 7, with certain speed motion in insulating oil pipeline 3, applies the experiment parameters such as experiment required voltage, and the breakdown voltage of the measurement insulating oil that pressurizes on electrode 1.
Said apparatus can simulate the oily properties of flow of actual motion transformer insulation oil, and combines the influence factors such as the solid impurity granule, the running temperature that produce in transformer insulation oil in operation, studies the Dielectric Breakdown Character of impure insulating oil.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make some improvement and deformation, these improve and deformation also should be regarded as protection domain of the present utility model.
Claims (5)
1. an impure insulating oil breakdown voltage test research device, it is characterized in that: include insulating oil pipeline, oil pump, flow control valve and effusion meter, it is provided with electrode on two inwalls that described insulating oil pipeline is relative, one external high-pressure side of electrode, another external low-pressure end or ground connection, described insulating oil pipe ends is connected with the two ends of oil pump respectively, and described effusion meter is arranged between oil pump and insulating oil pipe end, and described flow control valve is arranged between oil pump and effusion meter.
One the most according to claim 1 impure insulating oil breakdown voltage test research device, it is characterised in that: described insulating oil pipeline is arranged on support.
One the most according to claim 1 impure insulating oil breakdown voltage test research device, it is characterised in that: the electrode of external high-pressure side is connected with radome.
One the most according to claim 3 impure insulating oil breakdown voltage test research device, it is characterised in that: the electrode of external high-pressure side is arranged on insulating oil pipeline on inwall, and the electrode of external low-pressure end or ground connection is arranged under insulating oil pipeline on inwall.
One the most according to claim 1 impure insulating oil breakdown voltage test research device, it is characterized in that: also include temperature controller, heater and temperature sensing device, described heater and temperature sensing device are arranged in insulating oil pipeline, and arranging along insulating oil flow direction, described heater and temperature sensing device are all connected with temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263793.0U CN205450188U (en) | 2016-04-01 | 2016-04-01 | Contain insulating oily breakdown voltage experimental study device of impurity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263793.0U CN205450188U (en) | 2016-04-01 | 2016-04-01 | Contain insulating oily breakdown voltage experimental study device of impurity |
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| CN205450188U true CN205450188U (en) | 2016-08-10 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054043A (en) * | 2016-08-15 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharge testing platform |
| CN107309089A (en) * | 2017-07-27 | 2017-11-03 | 重庆科技学院 | Using the purifier of electrostatic removing impurities |
| CN107831417A (en) * | 2017-10-26 | 2018-03-23 | 重庆大学 | Impurity particle kinetic characteristic measuring system and measuring method in a kind of insulating oil |
| CN109324275A (en) * | 2018-12-14 | 2019-02-12 | 国网山东省电力公司电力科学研究院 | A kind of suspended particle partial discharge test method in flowing transformer oil |
| CN111157858A (en) * | 2020-01-07 | 2020-05-15 | 岭东核电有限公司 | Method for detecting metal particles in transformer of nuclear power station |
| CN112345899A (en) * | 2020-11-19 | 2021-02-09 | 西安西电变压器有限责任公司 | Bubble discharge experimental apparatus in insulating oil flows |
| CN113933657A (en) * | 2020-07-24 | 2022-01-14 | 中国科学院电工研究所 | Dielectric insulation performance testing device |
| CN113945809A (en) * | 2020-09-15 | 2022-01-18 | 中国科学院电工研究所 | Closed dielectric insulation performance testing device |
-
2016
- 2016-04-01 CN CN201620263793.0U patent/CN205450188U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054043A (en) * | 2016-08-15 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharge testing platform |
| CN107309089A (en) * | 2017-07-27 | 2017-11-03 | 重庆科技学院 | Using the purifier of electrostatic removing impurities |
| CN107309089B (en) * | 2017-07-27 | 2023-06-06 | 重庆科技学院 | Purifying device adopting static electricity to remove impurities |
| CN107831417A (en) * | 2017-10-26 | 2018-03-23 | 重庆大学 | Impurity particle kinetic characteristic measuring system and measuring method in a kind of insulating oil |
| CN109324275A (en) * | 2018-12-14 | 2019-02-12 | 国网山东省电力公司电力科学研究院 | A kind of suspended particle partial discharge test method in flowing transformer oil |
| CN111157858A (en) * | 2020-01-07 | 2020-05-15 | 岭东核电有限公司 | Method for detecting metal particles in transformer of nuclear power station |
| CN113933657A (en) * | 2020-07-24 | 2022-01-14 | 中国科学院电工研究所 | Dielectric insulation performance testing device |
| CN113945809A (en) * | 2020-09-15 | 2022-01-18 | 中国科学院电工研究所 | Closed dielectric insulation performance testing device |
| CN112345899A (en) * | 2020-11-19 | 2021-02-09 | 西安西电变压器有限责任公司 | Bubble discharge experimental apparatus in insulating oil flows |
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