| 换流变压器产生的二次谐波电流及其实验研究 |
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| 引用本文： | 桂重.换流变压器产生的二次谐波电流及其实验研究[J].科技信息,2009(33):I0324-I0325,I0290. |
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| 作者姓名： | 桂重 |
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| 作者单位： | 广东省电力设计研究院,广东广州510663 |
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| 摘 要： | 本文介绍了高压直流输电系统中直流电流的来源和二次谐波的传递过程，以及由此可能引发的谐波不稳定性。针对变压器绕组中存在的直流电流而导致的二次谐波电流进行了实验研究，得出了励磁电流各次谐波分量、峰值与绕组中直流电流的关系。结果表明，二次谐波分量与直流呈线性关系。
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| 关 键 词： | 二次谐波 谐波不稳定 铁心饱和 直流输电 |
The 2^rd Harmonic Current Produced by Convertor Transformer and its Experimental Research |
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| GUI Zhong.The 2^rd Harmonic Current Produced by Convertor Transformer and its Experimental Research[J].Science,2009(33):I0324-I0325,I0290. |
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| Authors: | GUI Zhong |
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| Institution: | GUI Zhong (Guangdong Electric Power Design Institute ,Guangzhou Guangdong, 510663 China ) |
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| Abstract: | The source of the direct current in HVDC and the tranfer course of the 2nd harmonic current are introduced in this paper. Harmonic instability due to the 2nd harmonic current is also referred. A transformer experiment were carried out to seek for the relationship between direct current and resultant harmonics in the convertor transformer. It is shown that a linear relationship exist between 2nd harmonic and direct current. |
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| Keywords: | 2nd harmonic Harmonic instability Core saturation HVDC |
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