CN203243227U - High-current generator - Google Patents
High-current generator Download PDFInfo
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- CN203243227U CN203243227U CN 201320255343 CN201320255343U CN203243227U CN 203243227 U CN203243227 U CN 203243227U CN 201320255343 CN201320255343 CN 201320255343 CN 201320255343 U CN201320255343 U CN 201320255343U CN 203243227 U CN203243227 U CN 203243227U
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Abstract
The utility model discloses a high-current generator. The generator comprises a voltage regulator, a first transformer and a second transformer, and the above three parts are successively connected. The input end of the voltage regulator is connected with a power supply. The output end of the second transformer is connected with a load. A three-knife six-position switch is disposed between the first and the second transformers. The high-current generator is provided with a three-knife six-position switch disposed between the first and the second transformers to control the output voltage of the first transformer and input coil turn number of the second transformer, thereby achieving low power consumption, high output current, small size and weight, and carrying convenience.
Description
Technical field
The utility model relates to a kind of current lifting device, a kind of large electric current current lifting device of specific design.
Background technology
In power test, the scene often need to provide stable large electric current, such as the transducer check at large curent change.The method of present domestic use is to carry the larger current lifting device of a kind of power output, and to 10000A, it is the current lifting device of 30kVA～50kVA that power output then will be provided such as the needs up-flow, because volume and weight is large, the scene is carried and used very inconvenient.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of large electric current current lifting device, and it is large to have solved the current lifting device power output, and volume and weight is large, and very inconvenient problem is carried and used at the scene.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of large electric current current lifting device comprises the voltage regulator, the first transformer and the second transformer that connect successively, described voltage regulator input external power supply, and the second transformer output external load also is provided with three cuttves, six bit switches between the first transformer and the second transformer.
A moved end of first group of switch of described three cuttves, six bit switches o'clock links to each other with the output of the first transformer, all the other moved end point emptying, and quiet end points links to each other with the input of the second transformer.
Second group of switch of described three cuttves, six bit switches and the quiet end points of the 3rd group of switch are connected with external power supply.
The output winding of described the first transformer also is provided with five exit points by voltage, and described five exit points link to each other with five moved end points of second group of switch.
The input coil of described the second transformer also is provided with five input endpoints by the number of turn, and described five input endpoints link to each other with five moved end points of the 3rd group of switch.
Mutually mate between the moved end point of the moved end point of second group of switch emptying, the moved end point of the 3rd group switch emptying and first group of switch connection.
Described voltage regulator is the coarse adjustment depressor.
Described the first transformer is miniature transformer, reduces the volume and weight of current lifting device.
Beneficial effect: the utility model is by arranging three cuttves, six bit switches between the first transformer and the second transformer, control the input coil number of turn of output voltage and second transformer of the first transformer, realized low in energy consumption, output current is large, less, the easy to carry current lifting device of while volume and weight.
Description of drawings
Fig. 1 is principle assumption diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1: a kind of large electric current current lifting device, comprise voltage regulator D, the first transformer E and the second transformer F that connect successively, the external 220V power supply of described voltage regulator D input, the second transformer F output external impressed current table also is provided with three cuttves, six bit switches between the first transformer E and the second transformer F.
Described voltage regulator D is 3KVA coarse adjustment depressor; Described the first transformer E is miniature transformer, reduces the volume and weight of current lifting device; Described three cuttves, six bit switches comprise first group of switch A, second group of switch B and the 3rd group of switch C, and every group of switch is provided with 6 moved end points, 1 quiet end points.
No. 1 moved end of first group of switch A of described three cuttves, six bit switches o'clock links to each other with the output of the first transformer, all the other moved end point emptying, and quiet end points links to each other with the input of the second transformer.
Second group of switch B of described three cuttves, six bit switches and the quiet end points of the 3rd group of switch C are connected with the 220V power supply.
The output winding of described miniature transformer also is provided with five exit points by voltage, and voltage is respectively 220V, 80V, 47V, 33V, 27V, and described exit point links to each other No. 1 moved end point emptying with No. 2 to No. 6 moved end points of second group of switch.
The input coil of described the second transformer F also is provided with five input endpoints by the number of turn and is respectively 400T, 200T, 147T, 121T, 105T, and described input endpoint links to each other No. 1 position moved end point emptying with No. 2 to No. 6 moved end points of the 3rd group of switch C.The output winding number of turn of the second transformer is 1T.
Setting for the second time, impedance loop is 0.2m Ω, the input voltage of the second transformer F is 220V when switch is transferred to No. 1 position, the turn ratio is 400T:1T, calculate by power, current formula, the current lifting device power output is 1512W, electric current is 2750A, and 3KVA coarse adjustment depressor power consumption is 1512W, and electric current is 6.875A.
The input voltage of the second transformer F is 440V when switch is transferred to No. 2 positions, and the turn ratio is 400T:1T, and the current lifting device power output is 6050W, and electric current is 5500A, and 3kVA coarse adjustment depressor power consumption is 3025W, and electric current is 13.75A.
The input voltage of the second transformer F is 300V when switch is transferred to No. 3 positions, and the turn ratio is 200T:1T, and the current lifting device power output is 11.25kW, and electric current is 7500A, and 3kVA coarse adjustment depressor power consumption is 3kW, and electric current is 37.5A.
The input voltage of the second transformer F is 267V when switch is transferred to No. 4 positions, and the turn ratio is 147T:1T, and the current lifting device power output is 16.5kW, and electric current is 9080A, and 3KVA coarse adjustment depressor power consumption is 2.9kW, and electric current is 61.77A.
The input voltage of the second transformer F is 253V when switch is transferred to No. 5 positions, and the turn ratio is 121T:1T, and the current lifting device power output is 21.85kW, and electric current is 10460A, and 3kVA coarse adjustment depressor power consumption is 2.85kW, and electric current is 86.36A.
The input voltage of the second transformer F is 247V when switch is transferred to No. 6 positions, and the turn ratio is 105T:1T, and the current lifting device power output is 27.67kW, and electric current is 11762A, and 3KVA coarse adjustment depressor power consumption is 3.025kW, and electric current is 112A.
If need up-flow to 10000A at present, it is the current lifting device of 30kVA～50kVA that power output then will be provided, but by above analysis, can replace with the current lifting device of 3kVA, output current can be risen to 10000A equally.
The above only is preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. large electric current current lifting device, it is characterized in that: comprise the voltage regulator (D), the first transformer (E) and the second transformer (F) that connect successively, described voltage regulator (D) input external power supply, the second transformer (F) output external load also is provided with three cuttves, six bit switches between the first transformer (E) and the second transformer (F);
A moved end point of first group of switch (A) of described three cuttves, six bit switches links to each other with the output of the first transformer (E), all the other moved end point emptying, and quiet end points links to each other with the input of the second transformer (F);
Second group of switch (B) of described three cuttves, six bit switches is connected with external power supply with the quiet end points of the 3rd group of switch (C);
The output winding of described the first transformer (E) also is provided with five exit points by voltage, and described five exit points link to each other with five moved end points of second group of switch (B);
The input coil of described the second transformer (F) also is provided with five input endpoints by the number of turn, and described five input endpoints link to each other with five moved end points of the 3rd group of switch (C);
Mutually mate between the moved end point that the moved end point of the moved end point of second group of switch (B) emptying, the 3rd group switch (C) emptying and first group of switch (A) connect.
2. a kind of large electric current current lifting device according to claim 1, it is characterized in that: described voltage regulator (D) is the coarse adjustment depressor.
3. a kind of large electric current current lifting device according to claim 1, it is characterized in that: described the first transformer (E) is miniature transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320255343 CN203243227U (en) | 2013-05-10 | 2013-05-10 | High-current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320255343 CN203243227U (en) | 2013-05-10 | 2013-05-10 | High-current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203243227U true CN203243227U (en) | 2013-10-16 |
Family
ID=49320481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320255343 Expired - Fee Related CN203243227U (en) | 2013-05-10 | 2013-05-10 | High-current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203243227U (en) |
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2013
- 2013-05-10 CN CN 201320255343 patent/CN203243227U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20140510 |