CN102419410B - Voltage/current double-applying testing device for electric device - Google Patents
Voltage/current double-applying testing device for electric device Download PDFInfo
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- CN102419410B CN102419410B CN2011102392437A CN201110239243A CN102419410B CN 102419410 B CN102419410 B CN 102419410B CN 2011102392437 A CN2011102392437 A CN 2011102392437A CN 201110239243 A CN201110239243 A CN 201110239243A CN 102419410 B CN102419410 B CN 102419410B
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Abstract
The invention relates to a voltage/current double-applying testing device for an electric device. The testing device comprises a voltage-isolating device, a wall bushing, a current booster, a current transformer, a metal bracket, an inductive current-boosting system power supply voltage regulator, an inductive current-boosting system voltage-regulating motor, a back-stage inductive current-boosting system low-voltage power supply switch, a front-stage inductive current-boosting system low-voltage power supply switch, a transformer, a voltage divider, an insulated voltage-withstand system power supply voltage regulator, an insulated voltage-withstand system voltage-regulating motor, a back-stage insulated voltage-withstand system low-voltage power supply switch, a front-stage insulated voltage-withstand system low-voltage power supply switch, an integral monitoring system platform, a drainage wire and a high-voltage lead. The voltage/current double-applying testing device for the electric device, provided by the invention, has the obvious advantages of high efficiency, convenience, small size, fully automated operation and voltage/current double protection, etc.
Description
Technical field
The present invention relates to a kind of electrical equipment experimental provision, relate in particular to a kind of device for electric pressure, current double-applying test unit.
Background technology
Seal in the electrical equipment of electric system major loop, be in operation and can bear the double action of voltage, electric current as switch, wire, current transformer, cable etc.The thermal effect of electric current, voltage all can impel the runnability of electrical equipment aging to the factors such as vibration that electrodisintegration and the voltage and current of insulating material causes from every side, affect the safe, stable of system.
Actual pilot system is because the reason of capacity, load generally can't put on tested electrical equipment simultaneously by voltage, electric current; for example usually can, by the high-tension insulating property that apply the tested electrical equipment of examination, by the through-flow test of large electric current, examine the thermal stability of tested electrical equipment.Along with to the deepening continuously of electrical equipment (such as GIS, cable etc.) research work, relate to sometimes the situation of voltage, current double-applying, for the equipment of different electric pressures, its through-current capability generally all up to a hundred to thousands of even thousands of peaces.Utilize the electric system of operation to carry out experiment work, be limited by the restriction of boundary condition and to the stable requirement of system, obviously not a kind of good mode, adopt large power supply, heavy load, and to seal in tested electrical equipment be a kind of test method, but the testing equipment weight that the method requires is large, investment is large, portability is poor, and cost performance is not high.
Summary of the invention
In order to solve voltage in electric equipment test, the technical matters of current double-applying, the present invention proposes a kind of device for electric presses, the current double-applying test unit, comprise the voltage spacer assembly, wall bushing 4, current lifting device 5, current transformer 6, metal support 7, induction up-flow system power supply pressure regulator 8, induction up-flow system pressure regulating motor 9, induction up-flow system low-voltage power supply rear class switch 10, induction up-flow system low-voltage power supply prime switch 11, transformer 12, voltage divider 13, dielectric voltage withstand system power supply pressure regulator 14, dielectric voltage withstand system pressure regulating motor 15, dielectric voltage withstand system low-voltage power supply rear class switch 16, dielectric voltage withstand system low-voltage power supply prime switch 17, monitoring integrated system platform 18, drainage thread 19, high-voltage connection 20, high-voltage connection 20 is connected with drainage thread 19, drainage thread 19 is connected with wall bushing 4, wall bushing 4 inserts the induction cavity of current lifting device 5, current lifting device 5 is placed on metal support 7, wall bushing 4 is placed on metal support 7, wall bushing 4 inside are provided with current transformer 6, current transformer 6 is connected with monitoring integrated system platform 18 by current test signal line 24, current lifting device 5 is connected with induction up-flow system low-voltage power supply rear class switch 10 by the low-tension supply line, induction up-flow system low-voltage power supply rear class switch 10 1 ends are connected with monitoring integrated system platform 18 by induction up-flow system control line, the other end is connected with induction up-flow system power supply pressure regulator 8 by the low-tension supply line, induction up-flow system power supply pressure regulator 8 one ends are connected with induction up-flow system low-voltage power supply prime switch 11 by the low-tension supply line, the other end is connected with induction up-flow system pressure regulating motor 9, induction up-flow system low-voltage power supply prime switch 11 1 ends are connected with monitoring integrated system platform 18 by induction up-flow system control line, the other end is connected with low-tension supply by the low-tension supply line, induction up-flow system pressure regulating motor 9 is connected with monitoring integrated system platform 18 by induction up-flow system control line, voltage divider 13 1 ends are connected with high-voltage connection 20, the other end is connected with monitoring integrated system platform 18 by voltage test signal line 25, transformer 12 1 ends are connected with high-voltage connection 20, the other end is connected with dielectric voltage withstand system low-voltage power supply rear class switch 16 by the low-tension supply line, dielectric voltage withstand system low-voltage power supply rear class switch 16 1 ends are connected with dielectric voltage withstand system power supply pressure regulator 14 by the low-tension supply line, the other end is connected with monitoring integrated system platform 18 by dielectric voltage withstand system control line, dielectric voltage withstand system power supply pressure regulator 14 1 ends are connected with dielectric voltage withstand system low-voltage power supply prime switch 17 by the low-tension supply line, the other end is connected with dielectric voltage withstand system pressure regulating motor 15, dielectric voltage withstand system low-voltage power supply prime switch 17 1 ends are connected with monitoring integrated system platform 18 by dielectric voltage withstand system control line, the other end is connected with low-tension supply by the low-tension supply line.
A kind of device for electric of the present invention is pressed, the current double-applying test unit, has efficient, convenient, the remarkable advantages such as volume is little, full-automatic operation and voltage, the two protections of electric current.
The accompanying drawing explanation
Fig. 1 is that a kind of device for electric of the embodiment of the present invention 1 is pressed, current double-applying test unit schematic diagram.
Fig. 2 is wire or disconnector test product layout schematic diagram in the embodiment of the present invention 2.
Fig. 3 is that in the embodiment of the present invention 3, the cable test product is arranged schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, describe a kind of device for electric pressure of the present invention, current double-applying test unit in detail.
A kind of device for electric of the present invention is pressed, the current double-applying test unit, comprise the voltage spacer assembly, wall bushing 4, current lifting device 5, current transformer 6, metal support 7, induction up-flow system power supply pressure regulator 8, induction up-flow system pressure regulating motor 9, induction up-flow system low-voltage power supply rear class switch 10, induction up-flow system low-voltage power supply prime switch 11, transformer 12, voltage divider 13, dielectric voltage withstand system power supply pressure regulator 14, dielectric voltage withstand system pressure regulating motor 15, dielectric voltage withstand system low-voltage power supply rear class switch 16, dielectric voltage withstand system low-voltage power supply prime switch 17, monitoring integrated system platform 18, drainage thread 19, high-voltage connection 20, high-voltage connection 20 is connected with drainage thread 19, drainage thread 19 is connected with wall bushing 4, wall bushing 4 inserts the induction cavity of current lifting device 5, current lifting device 5 is placed on metal support 7, wall bushing 4 is placed on metal support 7, wall bushing 4 inside are provided with current transformer 6, current transformer 6 is connected with monitoring integrated system platform 18 by current test signal line 24, current lifting device 5 is connected with induction up-flow system low-voltage power supply rear class switch 10 by the low-tension supply line, induction up-flow system low-voltage power supply rear class switch 10 1 ends are connected with monitoring integrated system platform 18 by induction up-flow system control line, the other end is connected with induction up-flow system power supply pressure regulator 8 by the low-tension supply line, induction up-flow system power supply pressure regulator 8 one ends are connected with induction up-flow system low-voltage power supply prime switch 11 by the low-tension supply line, the other end is connected with induction up-flow system pressure regulating motor 9, induction up-flow system low-voltage power supply prime switch 11 1 ends are connected with monitoring integrated system platform 18 by induction up-flow system control line, the other end is connected with low-tension supply by the low-tension supply line, induction up-flow system pressure regulating motor 9 is connected with monitoring integrated system platform 18 by induction up-flow system control line, voltage divider 13 1 ends are connected with high-voltage connection 20, the other end is connected with monitoring integrated system platform 18 by voltage test signal line 25, transformer 12 1 ends are connected with high-voltage connection 20, the other end is connected with dielectric voltage withstand system low-voltage power supply rear class switch 16 by the low-tension supply line, dielectric voltage withstand system low-voltage power supply rear class switch 16 1 ends are connected with dielectric voltage withstand system power supply pressure regulator 14 by the low-tension supply line, the other end is connected with monitoring integrated system platform 18 by dielectric voltage withstand system control line, dielectric voltage withstand system power supply pressure regulator 14 1 ends are connected with dielectric voltage withstand system low-voltage power supply prime switch 17 by the low-tension supply line, the other end is connected with dielectric voltage withstand system pressure regulating motor 15, dielectric voltage withstand system low-voltage power supply prime switch 17 1 ends are connected with monitoring integrated system platform 18 by dielectric voltage withstand system control line, the other end is connected with low-tension supply by the low-tension supply line.
Embodiment 1
As shown in Figure 1, a kind of device for electric of the present invention is pressed, the current double-applying test unit, and its voltage spacer assembly adopts outlet casing tube 2.A kind of device for electric is pressed, the current double-applying test unit comprises outlet casing tube 2, wall bushing 4, current lifting device 5, current transformer 6, metal support 7, induction up-flow system power supply pressure regulator 8, induction up-flow system pressure regulating motor 9, induction up-flow system low-voltage power supply rear class switch 10, induction up-flow system low-voltage power supply prime switch 11, transformer 12, voltage divider 13, dielectric voltage withstand system power supply pressure regulator 14, dielectric voltage withstand system pressure regulating motor 15, dielectric voltage withstand system low-voltage power supply rear class switch 16, dielectric voltage withstand system low-voltage power supply prime switch 17, monitoring integrated system platform 18, drainage thread 19, high-voltage connection 20, high-voltage connection 20 is connected with drainage thread 19, drainage thread 19 is connected with wall bushing 4, wall bushing 4 inserts the induction cavity of current lifting device 5, current lifting device 5 is placed on metal support 7, wall bushing 4 is placed on metal support 7, wall bushing 4 inside are provided with current transformer 6, current transformer 6 is connected with monitoring integrated system platform 18 by current test signal line 24, current lifting device 5 is connected with induction up-flow system low-voltage power supply rear class switch 10 by the low-tension supply line, induction up-flow system low-voltage power supply rear class switch 10 1 ends are connected with monitoring integrated system platform 18 by induction up-flow system control line, the other end is connected with induction up-flow system power supply pressure regulator 8 by the low-tension supply line, induction up-flow system power supply pressure regulator 8 one ends are connected with induction up-flow system low-voltage power supply prime switch 11 by the low-tension supply line, the other end is connected with induction up-flow system pressure regulating motor 9, induction up-flow system low-voltage power supply prime switch 11 1 ends are connected with monitoring integrated system platform 18 by induction up-flow system control line, the other end is connected with low-tension supply by the low-tension supply line, induction up-flow system pressure regulating motor 9 is connected with monitoring integrated system platform 18 by induction up-flow system control line, voltage divider 13 1 ends are connected with high-voltage connection 20, the other end is connected with monitoring integrated system platform 18 by voltage test signal line 25, transformer 12 1 ends are connected with high-voltage connection 20, the other end is connected with dielectric voltage withstand system low-voltage power supply rear class switch 16 by the low-tension supply line, dielectric voltage withstand system low-voltage power supply rear class switch 16 1 ends are connected with dielectric voltage withstand system power supply pressure regulator 14 by the low-tension supply line, the other end is connected with monitoring integrated system platform 18 by dielectric voltage withstand system control line, dielectric voltage withstand system power supply pressure regulator 14 1 ends are connected with dielectric voltage withstand system low-voltage power supply prime switch 17 by the low-tension supply line, the other end is connected with dielectric voltage withstand system pressure regulating motor 15, dielectric voltage withstand system low-voltage power supply prime switch 17 1 ends are connected with monitoring integrated system platform 18 by dielectric voltage withstand system control line, the other end is connected with low-tension supply by the low-tension supply line.
During actual test, the center conductor 3 of the potting breaker of GIS test section or switch closure (tested electrical equipment) 1 is connected with drainage thread 19, realizes the voltage isolation by outlet casing tube 2.Wall bushing 4 and current lifting device 5 that metal support 7 will insert current lifting device 5 induction cavitys self are supported in high aerial.Be arranged at the large electric current of the current transformer 6 of wall bushing 4 inside for monitoring test system.By drainage thread 19, tested electrical equipment 1 and wall bushing 4 are formed to the metallic short circuit loop on induction up-flow principle, guarantee faradic smooth output.Whole up-flow process is carried out automatically by induction up-flow system pressure regulating motor 9.Applying by a set of dielectric voltage withstand system of trial voltage realizes: by wall bushing 4, outlet casing tube 2, metal support 7, unsettled over the ground drainage thread 19, form the insulation subsystem, and form the pressurization subsystem by transformer 12, voltage divider 13, dielectric voltage withstand system power supply pressure regulator 14, the high-voltage connection 20 that is connected with drainage thread 19 metals.Whole pressure process is carried out automatically by dielectric voltage withstand system pressure regulating motor 15, and high voltage conducts to by high-voltage connection 20 the metallic closed loop that alive center conductor by tested electrical equipment 3 and drainage thread 19 form.Due to the buffer action of outlet casing tube 2, wall bushing 4, voltage and ground isolation are got up; And the closed-loop path of self is followed with the large electric current of induction mode generation continuation in through-flow loop.Monitoring integrated system platform 18 can be separately or is synchronously carried out controlling of voltage, electric current, thereby the robotization that realizes whole test unit is boosted, up-flow, overvoltage protection, overcurrent protection.
In the present embodiment, a kind of device for electric is pressed, the current double-applying test unit, and its voltage spacer assembly adopts supporting insulator, and remainder is pressed with a kind of device for electric in embodiment 1, the current double-applying test unit is identical.
During actual test, wire or disconnector test product are arranged as shown in Figure 2.The disconnector of bare conductor or switch closure (tested electrical equipment) 27 is connected with drainage thread 19, and the disconnector 27 of bare conductor or switch closure is placed on supporting insulator 28, realizes the voltage isolation by supporting insulator 28.
Embodiment 3
In the present embodiment, a kind of device for electric is pressed, the current double-applying test unit, and its voltage spacer assembly adopts the leading-out terminal sleeve pipe, and remainder is pressed with a kind of device for electric in embodiment 1, the current double-applying test unit is identical.
During actual test, the cable test product is arranged as shown in Figure 3.Cable (tested electrical equipment) 29 is connected with drainage thread 19, realizes the voltage isolation by leading-out terminal sleeve pipe 30.
Claims (4)
1. a device for electric is pressed, the current double-applying test unit, it is characterized in that, comprise the voltage spacer assembly, wall bushing (4), current lifting device (5), current transformer (6), metal support (7), induction up-flow system power supply pressure regulator (8), induction up-flow system pressure regulating motor (9), induction up-flow system low-voltage power supply rear class switch (10), induction up-flow system low-voltage power supply prime switch (11), transformer (12), voltage divider (13), dielectric voltage withstand system power supply pressure regulator (14), dielectric voltage withstand system pressure regulating motor (15), dielectric voltage withstand system low-voltage power supply rear class switch (16), dielectric voltage withstand system low-voltage power supply prime switch (17), monitoring integrated system platform (18), drainage thread (19), high-voltage connection (20), high-voltage connection (20) is connected with drainage thread (19), drainage thread (19) is connected with wall bushing (4), wall bushing (4) inserts the induction cavity of current lifting device (5), current lifting device (5) is placed on metal support (7), wall bushing (4) is placed on metal support (7), wall bushing (4) inside is provided with current transformer (6), current transformer (6) is connected with monitoring integrated system platform (18) by current test signal line (24), current lifting device (5) is connected with induction up-flow system low-voltage power supply rear class switch (10) by the low-tension supply line, induction up-flow system low-voltage power supply rear class switch (10) one ends are connected with monitoring integrated system platform (18) by induction up-flow system control line, the other end is connected with induction up-flow system power supply pressure regulator (8) by the low-tension supply line, induction up-flow system power supply pressure regulator (8) one ends are connected with induction up-flow system low-voltage power supply prime switch (11) by the low-tension supply line, the other end is connected with induction up-flow system pressure regulating motor (9), induction up-flow system low-voltage power supply prime switch (11) one ends are connected with monitoring integrated system platform (18) by induction up-flow system control line, the other end is connected with low-tension supply by the low-tension supply line, induction up-flow system pressure regulating motor (9) is connected with monitoring integrated system platform (18) by induction up-flow system control line, voltage divider (13) one ends are connected with high-voltage connection (20), the other end is connected with monitoring integrated system platform (18) by voltage test signal line (25), transformer (12) one ends are connected with high-voltage connection (20), the other end is connected with dielectric voltage withstand system low-voltage power supply rear class switch (16) by the low-tension supply line, dielectric voltage withstand system low-voltage power supply rear class switch (16) one ends are connected with dielectric voltage withstand system power supply pressure regulator (14) by the low-tension supply line, the other end is connected with monitoring integrated system platform (18) by dielectric voltage withstand system control line, dielectric voltage withstand system power supply pressure regulator (14) one ends are connected with dielectric voltage withstand system low-voltage power supply prime switch (17) by the low-tension supply line, the other end is connected with dielectric voltage withstand system pressure regulating motor (15), dielectric voltage withstand system low-voltage power supply prime switch (17) one ends are connected with monitoring integrated system platform (18) by dielectric voltage withstand system control line, the other end is connected with low-tension supply by the low-tension supply line.
2. a kind of device for electric pressure as claimed in claim 1, current double-applying test unit, is characterized in that, described voltage spacer assembly is outlet casing tube.
3. a kind of device for electric pressure as claimed in claim 1, current double-applying test unit, is characterized in that, described voltage spacer assembly is supporting insulator.
4. a kind of device for electric pressure as claimed in claim 1, current double-applying test unit, is characterized in that, described voltage spacer assembly is the leading-out terminal sleeve pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102392437A CN102419410B (en) | 2011-08-19 | 2011-08-19 | Voltage/current double-applying testing device for electric device |
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| CN2011102392437A CN102419410B (en) | 2011-08-19 | 2011-08-19 | Voltage/current double-applying testing device for electric device |
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| CN102419410B true CN102419410B (en) | 2013-11-27 |
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| CN102650654A (en) * | 2012-05-14 | 2012-08-29 | 云南电力试验研究院（集团）有限公司电力研究院 | Operation performance on-line assessment method for power transformer iron core and clamping piece grounding current monitoring device |
| CN103698558A (en) * | 2013-11-27 | 2014-04-02 | 国家电网公司 | 110kV GIS (Gas Insulated Switchgear) cable alternating current withstand voltage test high-tension bushing |
| CN103743977B (en) * | 2014-01-06 | 2016-04-06 | 国家电网公司 | The high-voltage large current associating temperature rise verification platform of equipotential temperature measuring equipment |
| CN108519150B (en) * | 2018-04-28 | 2024-05-14 | 国网江苏省电力有限公司电力科学研究院 | GIS vibration detection device under simulation operation condition |
| CN109406969A (en) * | 2018-12-04 | 2019-03-01 | 西安交通大学 | A kind of air insulating device high-voltage great-current Combined Trials system |
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| US7688084B2 (en) * | 2006-06-02 | 2010-03-30 | Airbus Deustschland GmbH | Testing apparatus and method for detecting a contact deficiency of an electrically conductive connection |
| CN201273932Y (en) * | 2008-09-11 | 2009-07-15 | 中国石油天然气股份有限公司 | AC withstand voltage tester |
| CN101738572B (en) * | 2008-11-11 | 2013-06-19 | 上海久隆电力（集团）有限公司 | Method for testing service life of medium-voltage solid insulation power cable |
| CN201322784Y (en) * | 2008-12-01 | 2009-10-07 | 沈阳兴华航空电器有限责任公司 | Voltage resistance insulation testing device |
| CN201903622U (en) * | 2010-12-13 | 2011-07-20 | 南京民盛电子仪器有限公司 | Voltage resistance tester |
| CN202182930U (en) * | 2011-08-19 | 2012-04-04 | 云南电力试验研究院(集团)有限公司 | Voltage current double applying test device used in electrical device |
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Effective date of registration: 20190131 Address after: 650217 No. 105 Yunda West Road, Kunming Economic and Technological Development Zone, Yunnan Province Patentee after: Electric Power Research Institute of Yunnan Power System Ltd Address before: 650217 Yunnan Kunming Economic and Technological Development Zone Yunda West Road Middle Yundian Science Park Patentee before: Yunnan (Group) China Electric Power Test & Research Institute |
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