CN205263146U - Big current generator of evenly distributed stranded conductor formula - Google Patents
Big current generator of evenly distributed stranded conductor formula Download PDFInfo
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- CN205263146U CN205263146U CN201521103691.4U CN201521103691U CN205263146U CN 205263146 U CN205263146 U CN 205263146U CN 201521103691 U CN201521103691 U CN 201521103691U CN 205263146 U CN205263146 U CN 205263146U
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Abstract
The utility model discloses a big current generator of evenly distributed stranded conductor formula, characterized by, including iron core, primary winding, secondary winding and connection bronze medal, the primary winding is evenly around on the iron core, be provided with polyester film between the layer of primary winding, secondary winding is evenly around on primary winding outmost, taking a percentage of primary winding and secondary winding is drawn forth by connecting the bronze medal. The utility model discloses the beneficial effect who reaches: this device compact structure, the magnetic circuit is short, the leakage reactance is little, efficient, reduced skin effect, the wiring is simple, has reduced the manpower, has practiced thrift the field test time greatly.
Description
Technical field
The utility model relates to one and is uniformly distributed multiply conductor type strong current generator, belongs to extra-high voltage current transformer technical field of measurement and test.
Background technology
Large-current electric current transformer is in 1000kV AC extra high voltage transformer station main equipment indispensable one. It is being born AC extra high voltage system power metering, electric weight and is detecting, provides the important function of signal for relay protection of power system. Its accuracy directly has influence on trade settlement fair and just of power supplying and generating enterprises, and state compulsion requires to require its site error verification according to JJG1021-2007 " electric power mutual-inductor " vertification regulation. The current transformer that China 1000kV AC extra high voltage engineering is used is mainly mounted in transformer and reactor sleeve pipe place and breaker, isolating switch place, is casing current transformer, is encapsulated in GIS tank interior, and maximum rated current is than being 6000:1. While current transformer being carried out to site error verification according to the requirement of national verification code JJG1021-2007 " electric power mutual-inductor ", need to 120% 5 error measure point, carry out error checking at 1% of rated current, the maximum current that need to apply is 7200A, and extra-high voltage electric power transformer error verification loop is long, impedance is large, up-flow difficulty is large, is difficult to up-flow to 7200A, and test current can not reach rated value will have influence on test accuracy.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide one to be uniformly distributed multiply conductor type strong current generator, simple and reasonable, is applicable to multiple occasion, meets the requirement of large electric current.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
One is uniformly distributed multiply conductor type strong current generator, it is characterized in that, comprises iron core, winding, Secondary Winding and a connection bronze medal; Described iron core adopts loop configuration; A described winding is evenly on iron core; The interlayer of a described winding is provided with polyester film; Described Secondary Winding is evenly on the outermost layer of a winding; A described winding, Secondary Winding all adopt tight coiling, the basic tight of core window after coiling completes; A described winding and Secondary Winding are provided with several taps; Described tap is drawn by connecting bronze medal; Secondary voltage corresponding between described tap is unequal.
Aforesaid one is uniformly distributed multiply conductor type strong current generator, it is characterized in that, a described winding adopts the coiling of multiply enamel covered wire, and is provided with three taps, is respectively the first tap, the second tap and the 3rd tap; Secondary voltage corresponding to secondary voltage corresponding to described the first tap and the 3rd tap and the first tap and the second tap is not identical.
Aforesaid one is uniformly distributed multiply conductor type strong current generator, it is characterized in that, the corresponding secondary voltage of described the first tap and the 3rd tap is 17V, and the corresponding secondary voltage of the first tap and the second tap is 20.4V.
Aforesaid one is uniformly distributed multiply conductor type strong current generator, it is characterized in that, described Secondary Winding adopts the fine wire-wound system of fourth; The fine line of described fourth is made up of multiply soft copper silk.
Aforesaid one is uniformly distributed multiply conductor type strong current generator, it is characterized in that, described Secondary Winding adopts 12 bursts of fine line uniform winding of fourth on iron core, per share punching 2 circles.
Aforesaid one is uniformly distributed multiply conductor type strong current generator, it is characterized in that, in described Secondary Winding the two ends of the fine line of odd number thigh fourth respectively each personal one connect bronze medal and draw, the two ends of the fine line of even numbers thigh fourth respectively each personal one connect bronze medal and draw.
Aforesaid one is uniformly distributed multiply conductor type strong current generator, it is characterized in that, the fine line of described odd number thigh fourth and the fine line of even numbers thigh fourth are symmetrical.
The beneficial effect that the utility model reaches: this apparatus structure compactness, magnetic circuit is short, leakage reactance is little, efficiency is high, reduced Kelvin effect, wiring is simple, has reduced manpower, has greatly saved the field trial time.
Brief description of the drawings
Fig. 1 is strong current generator test connection figure;
Fig. 2 (a)-(d) is respectively the johning knot composition that is uniformly distributed multiply conductor type strong current generator.
Reference numeral implication in figure:
1-the first tap and bronze medal thereof, 2-the second tap and bronze medal thereof, 3-the 3rd tap and bronze medal thereof, L1, L2, L3 ..., the fine line of L12-fourth, A, B, C, D-bronze medal.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described. Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
In this programme, comprise annular core, a winding, Secondary Winding, connects bronze medal. Iron core adopts loop configuration, and once, after Secondary Winding coiling completes, the basic tight of core window, has reduced leakage reactance, has reduced internal loss, has ensured that magnetic circuit is the shortest, most effective, has reduced Kelvin effect simultaneously.
One time winding is evenly around on annular core, and interlayer adopts polyester film insulation, an even coiling Secondary Winding of winding outermost layer, and winding and Secondary Winding tap are all drawn with connection bronze medal. This strong current generator can be realized 4 kinds of output types by different connected modes, maximum can up-flow to 7200A.
When concrete enforcement, one time winding adopts the coiling of multiply enamel covered wire, and one time winding has 3 taps, has two gears to select: the corresponding secondary voltage of the first tap and the 3rd tap is 17V, and the corresponding secondary voltage of the first tap and the second tap is 20.4V.
Secondary Winding adopts 12 bursts of fine line uniform winding of fourth on iron core, and the fine line of fourth is made up of multiply soft copper silk, has reduced Kelvin effect, and thermal diffusivity is good, and softness is easily wound around. Fine line punching 2 circles of per share fourth, 12 strands and together maximum can up-flow to 7200A, even structure and magnetic coupling degree are high, have well reduced Kelvin effect.
Odd number thigh wire L1, L3, L5, L7, L9 in Secondary Winding, for L11, bronze medal A, C draw, even numbers thigh wire L2, L4, L6, L8, L10, for L12, bronze medal B, D draw, bronze medal A, C are symmetric with the wire that bronze medal B, D are connected, and have effectively reduced the local saturated phenomenon of iron core.
Above connected mode forms two groups and independently exports winding, can and can go here and there, and makes like this output obtain more composite type: as bronze medal A is connected with bronze medal B, bronze medal C is connected with bronze medal D, strong current generator can up-flow to 7200A; As bronze medal B and bronze medal C head and the tail connects, use bronze medal A and bronze medal D be as output, can up-flow to 3600A.
One time winding input, Secondary Winding input and output side focus on stranded conductor on a bronze medal, have reduced contact resistance, thereby have realized effective transmission of energy.
When concrete wiring: as Fig. 2 (a), if a winding connects the first tap and the 3rd tap, Secondary Winding parallel connection, rated output voltage is 17V, rated current is 7200A.
As Fig. 2 (b), if a winding connects the first tap and the 3rd tap, secondary windings in series, rated output voltage is 34V, rated current is 3600A.
As Fig. 2 (c), if a winding connects the first tap and the second tap, Secondary Winding parallel connection, rated output voltage is 20.4V, rated current is 7200A.
As Fig. 2 (d), if a winding connects the first tap and the second tap, secondary windings in series, rated output voltage is 40.8V, rated current is 3600A.
Can select the concrete mode of connection by site specific.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.
Claims (7)
1. be uniformly distributed a multiply conductor type strong current generator, it is characterized in that, comprise iron core, winding, Secondary Winding and a connection bronze medal; Described iron core adopts loop configuration; A described winding is evenly on iron core; The interlayer of a described winding is provided with polyester film; Described Secondary Winding is evenly on the outermost layer of a winding; A described winding, Secondary Winding all adopt tight coiling, the basic tight of core window after coiling completes; A described winding is provided with several taps; Described tap is drawn by connecting bronze medal; Secondary voltage corresponding between described tap is unequal.
2. one according to claim 1 is uniformly distributed multiply conductor type strong current generator, it is characterized in that, a described winding adopts the coiling of multiply enamel covered wire, and is provided with three taps, is respectively the first tap, the second tap and the 3rd tap; Secondary voltage corresponding to secondary voltage corresponding to described the first tap and the 3rd tap and the first tap and the second tap is not identical.
3. one according to claim 2 is uniformly distributed multiply conductor type strong current generator, it is characterized in that, the corresponding secondary voltage of described the first tap and the 3rd tap is 17V, and the corresponding secondary voltage of the first tap and the second tap is 20.4V.
4. one according to claim 1 is uniformly distributed multiply conductor type strong current generator, it is characterized in that, described Secondary Winding adopts the fine wire-wound system of fourth; The fine line of described fourth is made up of multiply soft copper silk.
5. one according to claim 4 is uniformly distributed multiply conductor type strong current generator, it is characterized in that, described Secondary Winding adopts 12 bursts of fine line uniform winding of fourth on iron core, per share punching 2 circles.
6. one according to claim 5 is uniformly distributed multiply conductor type strong current generator, it is characterized in that, in described Secondary Winding the two ends of the fine line of odd number thigh fourth respectively each personal one connect bronze medal and draw, the two ends of the fine line of even numbers thigh fourth respectively each personal one connect bronze medal and draw.
7. one according to claim 6 is uniformly distributed multiply conductor type strong current generator, it is characterized in that, the fine line of described odd number thigh fourth and the fine line of even numbers thigh fourth are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103691.4U CN205263146U (en) | 2015-12-28 | 2015-12-28 | Big current generator of evenly distributed stranded conductor formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103691.4U CN205263146U (en) | 2015-12-28 | 2015-12-28 | Big current generator of evenly distributed stranded conductor formula |
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| Publication Number | Publication Date |
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| CN205263146U true CN205263146U (en) | 2016-05-25 |
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| CN201521103691.4U Active CN205263146U (en) | 2015-12-28 | 2015-12-28 | Big current generator of evenly distributed stranded conductor formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353180A (en) * | 2015-12-28 | 2016-02-24 | 武汉磐电科技有限公司 | Strong current generator with multiple uniformly distributed conductors |
-
2015
- 2015-12-28 CN CN201521103691.4U patent/CN205263146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353180A (en) * | 2015-12-28 | 2016-02-24 | 武汉磐电科技有限公司 | Strong current generator with multiple uniformly distributed conductors |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 430058, No. 4 warehouse, No. 11, industrial district, Zhuankou District, Wuhan economic and Technological Development Zone, Hubei Patentee after: Wuhan Pandian Technology Co., Ltd. Address before: 430079, No. 1, No. 3, South Science and Technology Industrial Park, East Lake Development Zone, Wuhan, Hubei Patentee before: Wuhan Pandian Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430056 storehouse No. 4, No. 11, Zhuankou District Industrial Zone, Wuhan economic and Technological Development Zone, Hubei Patentee after: Wuhan pan electric Polytron Technologies Inc Address before: 430058, No. 4 warehouse, No. 11, industrial district, Zhuankou District, Wuhan economic and Technological Development Zone, Hubei Patentee before: Wuhan Pandian Technology Co., Ltd. |