CN206074752U - A kind of industrial frequency AC Withstand test device - Google Patents
A kind of industrial frequency AC Withstand test device Download PDFInfo
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- CN206074752U CN206074752U CN201621102547.3U CN201621102547U CN206074752U CN 206074752 U CN206074752 U CN 206074752U CN 201621102547 U CN201621102547 U CN 201621102547U CN 206074752 U CN206074752 U CN 206074752U
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 230000006698 induction Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 40
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000003556 assay Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of industrial frequency AC Withstand test device, including switching device（1）, modulation pressure device（2）, compensation device（3）With pressure test product CX, switching device（1）Connection modulation pressure device（2）Input, modulation pressure device（2）Outfan distinguishes compensating mechanism for connection（3）With pressure test product CX, compensation device（3）Including adjustable compensating reactor L and electric current Table A2, adjustable compensating reactor L outfans connection electric current Table A2Input, adjustable compensating reactor L have multiple taps（8）, each tap（8）Correspondence different induction value coil group（10）, tap（8）At least two, tap（8）Connection modulation pressure device（2）Outfan.The beneficial effect that this utility model is realized：Using adjustable compensating reactor, pressure test product C of the electric capacity less than or equal to 65000pF is metXDifferent induction value demand, overcome the existing defect that series resonant equipment equipment is heavy, bulky and wiring is complicated, save manpower.
Description
Technical field
This utility model is related to electric power apparatus examination field, and in particular to a kind of industrial frequency AC Withstand test device.
Background technology
In order to ensure Electric Power Equipment Insulation level and using safety, before power equipment puts into operation, it usually needs enter
Row industrial frequency AC pressure test, practical situation when it can fully reflect that power equipment is run under alternating voltage, can be true
Insulation defect is found effectively.Due to traditional industrial frequency AC pressure-resistant apparatus testing transformer primary current it is little, it is impossible to directly to electricity
The larger power equipment of capacity directly carries out industrial frequency withstand voltage, therefore for the larger power equipment of capacitance, existing power frequency is handed over
Series resonant equipment is introduced often during stream pressure test, the device uses series resonance principal, excites string using exciting transformer
Connection resonant tank, adjusts the output frequency of frequency-variable controller, is loop inductance and pressure test product series resonance, resonance potential
Voltage on pressure test product is added to, the device can effectively carry out industrial frequency AC pressure test, but the appliance arrangement is heavy, volume
Larger, wiring is complicated, and needs before the test to be calculated to guarantee to find resonance point, in addition, adopting in practical operation
With series resonant equipment, its test frequency is extremely difficult to 50HZ, so series resonance industrial frequency AC Withstand test device can not
The operating condition of power equipment under authentic simulation power-frequency overvoltage, accordingly, it would be desirable to design a kind of light, simple to operate power frequency hand over
Stream Withstand test device.
Utility model content
It is stupid in order to solve the existing series resonance industrial frequency AC Withstand test device equipment of industrial frequency AC Withstand test device
Weight, the problem that volume is larger and wiring is complicated, this utility model provide a kind of industrial frequency AC Withstand test device.
The purpose of this utility model is achieved through the following technical solutions：
The invention provides a kind of industrial frequency AC Withstand test device, including switching device, modulation pressure device, compensation device
With pressure test product CX, the input of switching device connection modulation pressure device, the outfan of modulation pressure device connect compensation dress respectively
Put and pressure test product CX, compensation device includes adjustable compensating reactor L and electric current Table A2, the output of adjustable compensating reactor L
End connection electric current Table A2Input, adjustable compensating reactor L is provided with multiple taps, each tap correspondence different induction value
Coil group, the number at least two of tap, tap connect modulation pressure device outfan.
By the parallel-connection adjustable compensation reactor L on modulation pressure device, the deficiency of inductance current in complementation test loop,
Reactive requirement of the modulation pressure device to grid side is reduced, the pressure examination of industrial frequency AC is carried out with the power equipment for meeting high capacitance
Test；Existing series resonant equipment compared simultaneously, it is adjustable compensating reactor L small volumes, lightweight, portable, with multiple
Tap, the coil group of each tap correspondence connection different induction value, therefore adjustable compensating reactor L can meet different pressure examinations
Product CXDifferent induction value demand, overcome existing series resonant equipment because of pressure test product CXDemand it is different and need to carry
When more than one piece resonance reactor causes integral device heavy, bulky and uses, the complicated defect of wiring, facilitates the industrial frequency AC
The carrying of Withstand test device, saves manpower.
Above-mentioned modulation pressure device includes pressure regulator TR, testing transformer TT, electric current Table A1With voltage Table V, pressure regulator TR
Input connecting switch outfan, the outfan of the input connecting switch of pressure regulator TR, pressure regulator TR's
Outfan connects electric current Table A1Input, electric current Table A1Outfan connect the input of voltage Table V and testing transformer TT respectively
End, the outfan of testing transformer TT connect the adjustable compensating reactor L and pressure test product C respectivelyXInput.
Above-mentioned adjustable compensating reactor L includes insulation shell and six housings, and housings are placed in insulation shell,
Connected by wire between housings and insulation shell.The adjustable compensating reactor small volume, lightweight, easy fractionation carry,
The housings of six different induction value sizes can be carried, different pressure test product C are metX, overcome existing series resonance dress
The complicated problem of standby heavy, bulky and wiring is installed, the carrying for facilitating industrial frequency AC Withstand test device is used.
Above-mentioned insulation shell includes insulation crust I, and insulation crust I is uniformly arranged as six areas, is passed through between each area
Insulating barrier separates, and a wire, wire connection electric current Table A are arranged at the bottom of insulation crust I2Input, wire through insulation
Dividing plate connects six areas, and six lobe are provided with wire, and lobe is respectively positioned at the centre of each area bottom, lobe
Connection housings.Insulation crust I is uniformly arranged six areas to install six housings, and the bottom of insulation crust I arranges wire, leads
Lobe is set on line, by by housings connection corresponding with each respectively of six lobe, constituting complete adjustable electric
The housings for needing are accessed whole industrial frequency AC pressure test dress by the tap on adjustable reactor L and wire by anti-device L
Put.
Above-mentioned housings include insulation crust II and coil group, and coil group is built in insulation crust II, insulation crust II
Top be provided with tap, tap is located at the initiating terminal of coil group, and tap connects the outfan of modulation pressure device, insulation crust II
Bottom arrange it is fluted, groove be located at coil group end, groove connection bump portion.Tap and groove are located at coil group respectively
Initiating terminal and end, during use, by tap connect modulation pressure device outfan, groove connection correspondence location wire
On lobe, wire connection electric current Table A2Input, housings are accessed in whole industrial frequency withstand voltage assay device, Ji Jiangke
Mode reactor L is accessed in whole industrial frequency withstand voltage assay device.
The above-mentioned corresponding inductance value of six housings is respectively 180H, 220H, 270H, 320H, 450H, 600H, uses
When it is determined that pressure test product CXAfter the inductance value of needs, it is only necessary to which the outfan of modulation pressure device is connected to the inductance value of needs
In the tap of corresponding housings, so that it may meet the pressure test product C in above-mentioned inductance valueXIndustrial frequency AC pressure test compensation
The demand of electric current.
Above-mentioned pressure test product CXThe cable or capacitance group of 65000pF, adjustable compensating reactor L are less than or equal to for electric capacity
The corresponding six above-mentioned inductance value of coil group can meet electric capacity and hand over less than or equal to the power frequency of 65000pF capacitance group or cable
Stream pressure test.
Above-mentioned cable is length less than 200 meters of 10kV cables, on the coil group of adjustable compensating reactor L is corresponding
Six inductance value stated can meet industrial frequency AC pressure test of the length less than 200 meters of 10kV cables.
Above-mentioned testing transformer TT, adjustable compensating reactor L and pressure test product CXThere is ground protection, to ensure behaviour
The person of mediating and equipment safety.
In sum, the beneficial effects of the utility model are：Using adjustable compensating reactor, feel in complementation test loop
Property electric current deficiency, the industrial frequency AC pressure test for meeting electric capacity less than or equal to 65000pF capacitance group or cable carries out power frequency friendship
Stream pressure test；Simultaneously as adjustable compensating reactor has multiple taps, different pressure test product C can be metXDifference electricity
Inductance value demand, overcomes the existing defect that series resonant equipment equipment is heavy, bulky and wiring is complicated, facilitates the device
Carrying use, save manpower.
Description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model；
Fig. 2 is the sectional view of the insulation shell along wire axis of adjustable compensating reactor L；
Schematic diagrams of the Fig. 3 for the housings of adjustable compensating reactor L；
Upward views of the Fig. 4 for the housings of adjustable compensating reactor L.
Description of reference numerals：
1-switching device；2-modulation pressure device；3-compensation device；4-insulation crust I；5-lobe；6-wire；
7-insulating barrier；8-tap；9-insulation crust II；10-coil group；11- grooves.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figures 1-4, a kind of industrial frequency AC Withstand test device, including switching device 1, modulation pressure device 2, compensation
Device 3 and pressure test product CX, the input of the connection modulation of switching device 1 pressure device 2, the outfan of modulation pressure device 2 connect respectively
Meet compensation device 3 and pressure test product CX, compensation device 3 includes adjustable compensating reactor L and electric current Table A2, adjustable compensation electricity
The outfan connection electric current Table A of anti-device L2Input, adjustable compensating reactor L is provided with multiple taps, each tap pair
Answer the coil group 10 of different induction value, the number at least two of tap, the outfan of tap connection modulation pressure device 2.
During using the industrial frequency AC Withstand test device, first with the pressure test product C of circuit tester bigness scaleXCapacitance, according to survey
The capacitance for obtaining selects the tap of correspondence adjustable compensating reactor, by switching device 1, modulation pressure device 2,3 and of compensation device
Pressure test product CXAfter connecting, switching device 1 is opened, adjust modulation pressure device 2 and start boosting, stop rising when rising to test voltage
Pressure, starts timing, reaches step-down discharge after the stipulated time, completes test, removes test connection.
Embodiment 2
Based on embodiment 1, as shown in figures 1-4, the modulation pressure device 2 in the present embodiment includes pressure regulator TR, test transformation
Device TT, electric current Table A1With voltage Table V, the outfan of the input connecting switch of pressure regulator TR, the outfan of pressure regulator TR
Connection electric current Table A1Input, electric current Table A1Outfan connect the input of voltage Table V and testing transformer TT respectively, examination
The outfan for testing transformator TT connects the adjustable compensating reactor L and pressure test product C respectivelyXInput.
During using the industrial frequency AC Withstand test device, first with the pressure test product C of circuit tester bigness scaleXCapacitance, according to survey
The capacitance for obtaining selects the tap of correspondence adjustable compensating reactor, connects assay device, opens switching device 1, adjusts tune
Depressor TR and testing transformer TT start boosting, stop boosting, start timing when rising to test voltage, drop after reaching the stipulated time
Electricity is pressed, test is completed, test connection is removed.
Embodiment 3
Based on embodiment 1, as shown in figures 1-4, the adjustable compensating reactor L in the present embodiment include insulation shell and
Six housings, housings are placed in insulation shell, are connected by wire 6 between housings and insulation shell.
Embodiment 4
Based on embodiment 3, as shown in figures 1-4, the insulation shell of the adjustable compensating reactor L in the present embodiment includes
Insulation crust I 4, insulation crust I 4 are uniformly arranged as six areas, are separated by insulating barrier 7, insulation crust I 4 between each area
Bottom have a wire 6, the connection electric current Table A of wire 62Input, wire 6 through insulating barrier 7 connect six areas, lead
Six lobe 5 are provided with line 6, lobe 5 is respectively positioned at the centre of each area bottom, the connection housings of lobe 5.
Embodiment 5
Based on embodiment 4, as shown in figures 1-4, the housings of the adjustable compensating reactor L in the present embodiment include absolutely
Edge shell II 9 and coil group 10, coil group 10 are built in insulation crust II 9, and the top of insulation crust II 9 is provided with tap 8, takes out
8 initiating terminals for being located at coil group 10, the outfan of the connection modulation of tap 8 pressure device 2, the bottom of insulation crust II 9 is provided with
Groove 11, groove 11 are located at the end of coil group 10,11 connection bump portion 5 of groove.
Embodiment 6
Based on embodiment 5, as shown in figures 1-4, six housings pair of the adjustable compensating reactor L in the present embodiment
The inductance value answered is respectively 180H, 220H, 270H, 320H, 450H, 600H.
Embodiment 7
Based on embodiment 6, as shown in figures 1-4, the pressure test product C in the present embodimentX65000pF is less than or equal to for electric capacity
Capacitance group or cable.
Embodiment 8
Based on embodiment 7, as shown in figures 1-4, the cable in the present embodiment is that 10kV of the length less than or equal to 200 meters is electric
Cable.
Embodiment 9
Based on embodiment 2, as shown in figures 1-4, testing transformer TT, adjustable compensating reactor L and resistance in the present embodiment
Pressure test product CXThere is ground protection.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that to the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent are replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (9)
1. a kind of industrial frequency AC Withstand test device, it is characterised in that including switching device（1）, modulation pressure device（2）, compensation
Device（3）With pressure test product CX, the switching device（1）Connection modulation pressure device（2）Input, the modulation pressure device
（2）Outfan difference compensating mechanism for connection（3）With pressure test product CX, the compensation device（3）Including adjustable compensation reactance
Device L and electric current Table A2, the outfan connection electric current Table A of adjustable compensating reactor L2Input, the adjustable compensation reactance
Device L is provided with multiple taps（8）, each tap（8）The coil group of correspondence different induction value（10）, tap（8）Number at least
For two, the tap（8）Connection modulation pressure device（2）Outfan.
2. a kind of industrial frequency AC Withstand test device according to claim 1, it is characterised in that the modulation pressure device
（2）Including pressure regulator TR, testing transformer TT, electric current Table A1With voltage Table V, the input connecting switch of pressure regulator TR
Outfan, the outfan connection electric current Table A of pressure regulator TR1Input, electric current Table A1Outfan connect respectively voltage Table V and
The input of testing transformer TT, the outfan of testing transformer TT connect the adjustable compensating reactor L and pressure respectively
Test product CXInput.
3. a kind of industrial frequency AC Withstand test device according to claim 1, it is characterised in that the adjustable compensation electricity
Anti- device L includes insulation shell and six housings, and the housings are placed in insulation shell, leads between housings and insulation shell
Cross wire（6）Connection.
4. a kind of industrial frequency AC Withstand test device according to claim 3, it is characterised in that the insulation shell includes
Insulation crust I（4）, insulation crust I（4）It is uniformly arranged as six areas, between each area, passes through insulating barrier（7）Separate, insulation
Shell I（4）Bottom have a wire（6）, the wire（6）Connection electric current Table A2Input, wire（6）Through insulation
Dividing plate（7）Six areas of connection, wire（6）On be provided with six lobe（5）, the lobe（5）Each area bottom is located at respectively
The centre in portion, lobe（5）Connection housings.
5. a kind of industrial frequency AC Withstand test device according to claim 4, it is characterised in that the housings include absolutely
Edge shell II（9）With coil group（10）, coil group（10）It is built in insulation crust II（9）, insulation crust II（9）Top arrange
There is tap（8）, the tap（8）Positioned at coil group（10）Initiating terminal, tap（8）Connection modulation pressure device（2）Outfan,
Insulation crust II（9）Bottom arrange it is fluted（11）, the groove（11）Positioned at coil group（10）End, groove（11）Even
Connect lobe（5）.
6. a kind of industrial frequency AC Withstand test device according to claim 5, it is characterised in that six housings pair
The inductance value answered is respectively 180H, 220H, 270H, 320H, 450H, 600H.
7. a kind of industrial frequency AC Withstand test device according to claim 6, it is characterised in that the pressure test product CXFor
Capacitance group or cable of the electric capacity less than or equal to 65000pF.
8. a kind of industrial frequency AC Withstand test device according to claim 7, it is characterised in that the cable is that length is little
In the 10kV cables equal to 200 meters.
9. a kind of industrial frequency AC Withstand test device according to claim 2, it is characterised in that the testing transformer
TT, adjustable compensating reactor L and pressure test product CXThere is ground protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102547.3U CN206074752U (en) | 2016-10-08 | 2016-10-08 | A kind of industrial frequency AC Withstand test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102547.3U CN206074752U (en) | 2016-10-08 | 2016-10-08 | A kind of industrial frequency AC Withstand test device |
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| Publication Number | Publication Date |
|---|---|
| CN206074752U true CN206074752U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621102547.3U Active CN206074752U (en) | 2016-10-08 | 2016-10-08 | A kind of industrial frequency AC Withstand test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478874A (en) * | 2017-09-15 | 2017-12-15 | 广西电友科技发展有限公司 | Instrument is sent in exchange examination |
| CN110174598A (en) * | 2019-06-27 | 2019-08-27 | 贵州电网有限责任公司 | A kind of device improving series excitation type pressure build-up test transformer capacity |
| CN110320821A (en) * | 2019-07-22 | 2019-10-11 | 国网江苏省电力有限公司苏州供电分公司 | Integral type industrial frequency AC Withstand test device control system |
-
2016
- 2016-10-08 CN CN201621102547.3U patent/CN206074752U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478874A (en) * | 2017-09-15 | 2017-12-15 | 广西电友科技发展有限公司 | Instrument is sent in exchange examination |
| CN110174598A (en) * | 2019-06-27 | 2019-08-27 | 贵州电网有限责任公司 | A kind of device improving series excitation type pressure build-up test transformer capacity |
| CN110320821A (en) * | 2019-07-22 | 2019-10-11 | 国网江苏省电力有限公司苏州供电分公司 | Integral type industrial frequency AC Withstand test device control system |
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