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首页> 外文期刊>IEEE Transactions on Magnetics >Fabrication and test of superconducting air-core autotransformer
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Fabrication and test of superconducting air-core autotransformer

机译：超导空心自耦变压器的制作与测试

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An experimental superconducting air-core autotransformer (SCACAT) with a rating of 2.5 kVA was fabricated. The configuration of the autotransformer is adopted because it is appropriate for air-core transformers to mitigate the increase of the impedance. The rated voltage and current are 300/150 V and 14/17 A, respectively. The current ratio does not coincide with the inverse of the voltage ratio because of the presence of the large exciting current. No-load, short circuit, and load tests were carried out. The experimental results indicate that, as expected, the exciting current becomes very large. It occupies about 45% of the rated current. In addition, the leakage impedance increases considerably; it becomes about 0.28 pu.
机译：制作了额定值为2.5 kVA的实验性超导空心自耦变压器（SCACAT）。采用自动变压器的配置是因为它适合空心变压器来减轻阻抗的增加。额定电压和电流分别为300/150 V和14/17A。由于存在大的励磁电流，所以电流比与电压比的倒数不一致。进行了空载，短路和负载测试。实验结果表明，正如预期的那样，励磁电流变得非常大。它约占额定电流的45％。另外，泄漏阻抗大大增加。它变成大约0.28 pu。

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