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- 雪平 謙二
- 電力中央研究所
書誌事項
- タイトル別名
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- A Method to Separate Harmonic Current Flows According to the Directions of their Sources in a Distribution Substation
- ハイデンヨウ ヘンデンショ ニ オケル コウチョウハ デンリュウ ノ ホウコウ
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It is necessary to detect sources of harmonic currents in order to reduce harmonic voltage distortion in an electric power distribution system. For this purpose, it is very important to judge the direction of a harmonic current flow, so far, there is no method to judge the direction of flows precisely, This report presents a method to separate transformer currents at a distribution substation into two elements quantitatively; one that flows into a distribution system due to harmonic voltages in a higher voltage system, and the other that flows to a higher voltage system due to sources of harmonic currents in a distribution system. The conventional method to judge the direction of flows using phase angles between harmonic voltages and harmonic currents may not be accurate. By using the newly developed method, the direction of harmonic current flows can be analyzed quantitatively and more accurately than the results by the conventional method. Measured values in both a business area and a residential area are analyzed to verify the new method and the results clearly show the difference of the characteristics of the two areas.
収録刊行物
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- 電気学会論文誌B(電力・エネルギー部門誌)
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電気学会論文誌B(電力・エネルギー部門誌) 117 (3), 308-315, 1997
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204604623616
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- NII論文ID
- 10009875012
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- NII書誌ID
- AN10136334
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- ISSN
- 13488147
- 03854213
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- NDL書誌ID
- 4149738
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- NDL
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