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High-temperature superconductor high-voltage transformer for serving as low current high-voltage power and application thereof

A high-voltage transformer and high-temperature superconducting technology is applied in the field of transformers to achieve the effects of reducing internal friction, increasing conduction current density, and increasing conduction current density.

Active Publication Date: 2011-05-11
CHENGDU SHUANGXING TRANSFORMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both the primary coil and the secondary coil in this patented technology use high-temperature superconductors that need to be cooled, and are applied to electric power (grid). The number of coils wound is relatively small, and due to its structural characteristics, it cannot A very high output voltage can be obtained under this condition, and it cannot be used as a transformer dedicated to generating high voltage

Method used

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  • High-temperature superconductor high-voltage transformer for serving as low current high-voltage power and application thereof
  • High-temperature superconductor high-voltage transformer for serving as low current high-voltage power and application thereof
  • High-temperature superconductor high-voltage transformer for serving as low current high-voltage power and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] As shown in Figure 1, Figure 3, Figure 5, and Figure 7. A high temperature superconducting high voltage transformer power supply of 100000V / 0.5A / 50Hz is prepared. The high-temperature superconducting high-voltage transformer includes an iron core 1, a primary coil 2 and a secondary coil 3, the primary coil 2 is connected to an external power supply through a high-current lead 5, and the secondary coil 3 outputs high-voltage electricity through a high-voltage output port 7; the primary coil 2 is wound by composite high-temperature superconducting wire 8, which is a high-current low-resistance loss coil. The secondary coil 3 is wound by traditional high-voltage coil technology; The specific data of the high-temperature superconducting high-voltage transformer is as follows, which constitutes a practical high-voltage transformer with single-phase low primary power supply voltage.

[0043] The design parameters of the high-temperature superconducting high-voltage transform...

Embodiment 2

[0056]As shown in Figure 2, Figure 4, Figure 6, and Figure 8. A 500000V / 0.1A / 50Hz high-temperature superconducting high-voltage transformer power supply is prepared. The high-temperature superconducting high-voltage transformer includes an iron core 1, a primary coil 2 and a secondary coil 3, the primary coil 2 is connected to an external power supply through a high-current lead 5, and the secondary coil 3 outputs high-voltage electricity through a high-voltage output port 7; the primary coil 2 is wound by a composite high-temperature superconducting wire 8, which is a high-current low-resistance loss coil. The secondary coil 3 is wound by traditional high-voltage coil technology; the primary coil 2 is placed in a low-temperature container 4 and cooled by a refrigerator 6 . The specific data of the high-temperature superconducting high-voltage transformer is as follows, constituting a single-phase practical high-voltage transformer.

[0057] The design parameters of the high-...

Embodiment 3

[0070] The same places as in Embodiment 1 will not be repeated, the difference is that the iron core 1 is an amorphous alloy.

[0071] The primary coil 2 is wound by a high temperature superconducting initial strip 10 . The high temperature superconducting initial tape 10 is (Bi, Pb) 2 Sr 2 Ca 2 Cu 3 o 10+x Single core high temperature superconducting wire. The primary coil 2 is a single-cake coil prepared by using the above-mentioned high-temperature superconducting initial strip 10 . The high-current lead wire 5 is prepared by wrapping and winding the composite high-temperature superconducting wire 8 prepared by the filling, sealing, potting and strengthening process by using glass fiber tape as the insulating tape 9 . The primary coil 2 is placed in a non-vacuum non-metal cryogenic cylinder with a built-in foam material insulation layer as a cryogenic container 4 and a reinforced shell outside, and works in 87K liquid argon as a refrigerant 15 .

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Abstract

The invention discloses a high-temperature superconductor high-voltage transformer and application thereof as low-current high-voltage supply. The high-temperature superconductor high-voltage transformer comprises an iron core, a primary coil and a secondary coil; the primary coil is connected with an external power supply through a current leading wire; the secondary coil outputs high-voltage electricity through high-voltage output port; the primary coil is wound by a composite high-temperature superconductor wire or a high-temperature superconductor initial band materials and is a big-current low-resistance-loss coil; the secondary coil is wound by traditional high-voltage coil technology; and the primary coil is located in a low-temperature container and cooled by refrigerating fluid or refrigeration apparatus. Compared with the prior art, the invention is characterized by big primary current capacity, low required working voltage, low energy consumption, low volume, low cost, available manufacturing, simple operation, easy maintaining, and good practicability, and can be used as a low-current high-voltage supply to be applied to any occasion needing high voltage and low current, with secondary coil capable of effectively outputting higher voltage in low current.

Description

technical field [0001] The invention belongs to the technical field of transformers, in particular to a high-temperature superconducting high-voltage transformer and its application as a low-current high-voltage power supply. Background technique [0002] Due to the high internal resistance and low current conduction density of the transformer coil wound by traditional copper wires, when the secondary coil of the high-voltage transformer needs to generate a very high output voltage, the power consumption of the primary coil is large, and the The input voltage is relatively high, and it cannot work under the easily realized low input voltage condition, and the power consumption is large, so the actual operation is inconvenient and the cost is high. With the development of high-temperature superconducting materials and corresponding technologies, it has become possible to manufacture high-temperature superconducting high-current and low-resistance loss coils. Using high-temp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F36/00H01F6/04H01F6/06H01B12/00
CPCY02E40/60
Inventor 金建勋
Owner CHENGDU SHUANGXING TRANSFORMER
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