CN104375044A - A/S characteristic test device for high-voltage alternating current fuse - Google Patents
A/S characteristic test device for high-voltage alternating current fuse Download PDFInfo
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- CN104375044A CN104375044A CN201410690540.7A CN201410690540A CN104375044A CN 104375044 A CN104375044 A CN 104375044A CN 201410690540 A CN201410690540 A CN 201410690540A CN 104375044 A CN104375044 A CN 104375044A
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Abstract
The invention relates to an A/S characteristic test device for a high-voltage alternating current fuse. The device comprises a current generator AC, a series loop of the current generator is connected with a current relay, a fuse clamp and a current transformer, an output contact of the current relay is connected to a timer in parallel, the timer and the current relay are connected in parallel, the current transformer is connected with a current meter in parallel, the fuse clamp is connected with a voltage meter in parallel, and the high-voltage alternating current fuse is connected with the interior of the fuse clamp in series. A current measurement timing circuit is adopted, under power frequency voltage which is much smaller than the fuse voltage of the high-voltage fuse and used for eliminating influence on the fuse from overhigh voltage, different current values are added to the two ends of the fuse to be tested, and then the A/S characteristic curve and related technical data of the fuse of the type can be simulated through current sampling and timing of the timer.
Description
Technical field
The application relates to a kind of high-voltage alternating fuse AS characteristic test device.
Background technology
In current electric system; high-tension fuse is widely used in for the overload of power circuit, transformer, voltage transformer (VT) and other electrical equipment and short-circuit protection; but the corresponding device instrument for detecting high-tension fuse A/S characteristic, does not domesticly find similar product.Whether whether high-tension fuse A/S characteristic is qualified, identify consistent, whether meet service requirement with nameplate, and this series of problem is all unknown, needs corresponding technological means to detect it.
Summary of the invention
The object of the application is to provide one can test high-voltage alternating fuse AS characteristic, determines its parameter, meets the actual high-voltage alternating fuse AS characteristic test device used.
The object of the application is achieved in that high-voltage alternating fuse AS characteristic test device comprises current feedback circuit AC, the series loop of current feedback circuit is connected with current relay, fuse fixture summation current transformer, the output contact of described current relay is connected in parallel to timer, timer is in parallel with current relay, at current transformer, place is parallel with reometer, at fuse fixture, place is parallel with voltage table, and high-voltage alternating fuse is connected in fuse fixture.
Owing to carrying out technique scheme, the application adopts current measurement timing circuit, much smaller than High-voltage Fuse Blow voltage, eliminate overtension under the power-frequency voltage of the impact of fuse, different current values is added to fuse two ends to be tested, by current sample, time set timing, can simulate A/S family curve and the related technical data of this model fuse subsequently.
Accompanying drawing illustrates: the technical scheme of the application is provided by following drawings and Examples:
Fig. 1 is high-voltage alternating fuse AS characteristic test device circuit diagram;
Fig. 2 is fuse clips lamps structure schematic diagram.
Legend: 1, clamp seat; 2, insulating base; 3, high-voltage alternating fuse; 4, dynamic holder; 5, slide block, 6, slide rail, 7, base, 8, supporting leg.
Embodiment:
The application by the restriction of following embodiment, can not determine concrete embodiment according to the technical scheme of the application and actual conditions.
Embodiment: as shown in Figure 1, high-voltage alternating fuse AS characteristic test device it comprise current feedback circuit AC, the series loop of current feedback circuit is connected with current relay, fuse fixture summation current transformer, the output contact of described current relay is connected in parallel to timer, and timer is in parallel with current relay.At current transformer, place is parallel with reometer, and at fuse fixture, place is parallel with voltage table, and high-voltage alternating fuse 3 is connected in fuse fixture.
Described fuse fixture comprises base 7, and base 7 is provided with fixed and moving holder 1,4, and described dynamic holder 4 is fixed on slide block 5, and slide block 5 slides in slide rail 6, and slide rail 6 is laid along base 7 surface.Insulating base 2 is arranged with at fixed and moving holder 1,4.Described fixed and moving holder 1,4 is anchor ears, is reserved with wiring point thereon, and high-voltage alternating fuse 3 two ends are clamped in fixed and moving holder 1,4 respectively.Base 7 bottom surface is provided with supporting leg 8, and described supporting leg 8 is insulating element.
Described reometer is digital electronic ammeter, and described voltage table is digital voltmeter, and described digital electronic ammeter and digital voltmeter are all connected with data acquisition end, and described data acquisition end is computing machine.
The mode that this device adopts current relay output contact to close startup timer starts timing, simultaneously for expanding this measurement device range, adopts current transformer to coordinate the mode of metering current to measure main circuit current with digital ammeter.During use, current feedback circuit exports low-voltage, high-current, timing is started by electric current device relay and electric current device relay output contact triggered timer, digital voltmeter, digital ammeter record electric current by high-voltage alternating fuse 3 and both end voltage respectively, provide the A/S characteristic measuring this test high-voltage alternating fuse 3 to provide test figure.During off-test, test figure and this high-voltage alternating fuse 3 factory data are contrasted, judges that whether it is qualified.
Above technical characteristic constitutes the most preferred embodiment of the application, and it has stronger adaptability and best implementation result, can increase and decrease inessential technical characteristic according to actual needs, meet the needs of different situations.
Claims (7)
1. a high-voltage alternating fuse AS characteristic test device, it is characterized in that: it comprises current feedback circuit AC, the series loop of current feedback circuit is connected with current relay, fuse fixture summation current transformer, the output contact of described current relay is connected in parallel to timer, timer is in parallel with current relay, at current transformer, place is parallel with reometer, and at fuse fixture, place is parallel with voltage table, and high-voltage alternating fuse is connected in fuse fixture.
2. high-voltage alternating fuse AS characteristic test device as claimed in claim 1, it is characterized in that: described fuse fixture comprises base, and base is provided with fixed and moving holder, described dynamic holder is fixed on slide block, slide block slides in slide rail, and slide rail is laid along susceptor surface.
3. high-voltage alternating fuse AS characteristic test device as claimed in claim 2, is characterized in that: be arranged with insulating base at fixed and moving holder.
4. high-voltage alternating fuse AS characteristic test device as claimed in claim 2, it is characterized in that: described fixed and moving holder is anchor ear, is reserved with wiring point thereon, high-voltage alternating fuse two ends are clamped in fixed and moving holder respectively.
5. high-voltage alternating fuse AS characteristic test device as claimed in claim 2, it is characterized in that: base end face is provided with supporting leg, described supporting leg is insulating element.
6. high-voltage alternating fuse AS characteristic test device as claimed in claim 1, it is characterized in that: described reometer is digital electronic ammeter, described voltage table is digital voltmeter, and described digital electronic ammeter and digital voltmeter are all connected with data acquisition end.
7. high-voltage alternating fuse AS characteristic test device as claimed in claim 6, is characterized in that: described data acquisition end is computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690540.7A CN104375044A (en) | 2014-11-27 | 2014-11-27 | A/S characteristic test device for high-voltage alternating current fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690540.7A CN104375044A (en) | 2014-11-27 | 2014-11-27 | A/S characteristic test device for high-voltage alternating current fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104375044A true CN104375044A (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410690540.7A Pending CN104375044A (en) | 2014-11-27 | 2014-11-27 | A/S characteristic test device for high-voltage alternating current fuse |
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| CN (1) | CN104375044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107710374A (en) * | 2015-06-24 | 2018-02-16 | 住友电工印刷电路株式会社 | Flexible printed circuit board and the method for manufacturing flexible printed circuit board |
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| SU1527676A1 (en) * | 1987-08-04 | 1989-12-07 | А.Я.Дружинин | Device for checking condition of fuse |
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| CN201819923U (en) * | 2010-09-30 | 2011-05-04 | 赵延明 | Universal clamp for parameter tests of multiple types of armatures |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107710374A (en) * | 2015-06-24 | 2018-02-16 | 住友电工印刷电路株式会社 | Flexible printed circuit board and the method for manufacturing flexible printed circuit board |
| CN107710374B (en) * | 2015-06-24 | 2020-06-19 | 住友电工印刷电路株式会社 | Flexible printed circuit board and method of manufacturing the same |
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Application publication date: 20150225 |
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