[1]Kanazawa Institute of Technology 7-1 Ohgigaoka Nonoichi Ishikawa 921-8501 Japan;
[2]Hokkaido Electric Power Co. Inc. 2 Higashi 1-Chome Odori Chuo-ku Sapporo Hokkaido 060-8677 Japan;
[3]Fujikura Kasei Co. Ltd. 5-13-1 Sakurada Kuki Saitama 340-0203 Japan;
Electrohydrodynamics (EHD) extraction phenomenon; semi-insulating and insulating liquids; DC or low-frequency AC voltage; dynamic behavior of liquids; moisture removal effect in oil;