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HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i ›› 2010, Vol. 26 ›› Issue (1): 38-40.DOI: 10.3969/j.issn.1009-0479.2010.01.009

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ＲｅｓｅａｒｃｈｏｎＡｐｐｌｉｃａｔｉｏｎｏｆＷａｔｅｒＳｕｐｐｌｙＳｙｓｔｅｍ ｗｉｔｈＦｒｅｑｕｅｎｃｙ ＣｏｎｔｒｏｌａｎｄＡｕｔｏｃｏｎｓｔａｎｔＰｒｅｓｓｕｒｅｏｆＨｉｇｈＰｏｗｅｒＰｕｍｐ

  

  1. １．ＦａｃｕｌｔｙｏｆＭｅｃｈａｎｉｃａｌＥｎｇｉｎｅｅｒｉｎｇ，ＫｕｎｍｉｎｇＭｅｔａｌｌｕｒｇｙＣｏｌｌｅｇｅ，Ｋｕｎｍｉｎｇ６５０１０２，Ｃｈｉｎａ；
    ２．ＫｕｎｍｉｎｇＺｉｙｕｅＥｌｅｃｔｒｉｃａｌＡｐｐｌｉａｎｃｅｓＭａｎｕｆａｃｔｕｒｉｎｇＣｏ．，Ｌｔｄ．，Ｋｕｎｍｉｎｇ６５０２２４，Ｃｈｉｎａ
  • Online:2010-01-30 Published:2010-01-30

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Abstract: Ｗａｔｅｒｓｕｐｐｌｙｓｙｓｔｅｍｗｉｔｈｆｒｅｑｕｅｎｃｙｃｏｎｔｒｏｌａｎｄａｕｔｏｃｏｎｓｔａｎｔｐｒｅｓｓｕｒｅｗｈｉｃｈｃｏｎｓｉｓｔｓｏｆｆｒｅ ｑｕｅｎｃｙｃｏｎｖｅｒｔｅｒ，ｓｏｆｔｓｔａｒｔｅｒａｎｄｐｒｏｇｒａｍｍａｂｌｅｃｏｎｔｒｏｌｌｅｒ（ＰＬＣ）ｗａｓｉｎｔｒｏｄｕｃｅｄ．Ｃｏｎｔｒｏｌｌａｂｌｅｍｕｌｔｉｏｐ ｅｒａｔｉｎｇｍｏｄｅｏｆＰＬＣｉｎｔｈｉｓｓｙｓｔｅｍｗａｓａｄｏｐｔｅｄｔｏｃｏｍｐｌｅｔｅｔｈｅａｌｔｅｒｎａｔｉｏｎａｍｏｎｇｄｉｆｆｅｒｅｎｔｐｕｍｐｓ；ｔｈｅ ｃｏｎｖｅｒｔｅｒｃｏｎｔｒｏｌｌｅｄｔｈｅｓｐｅｅｄｏｆｐｕｍｐｓ，ａｎｄｔｈｅｓｏｆｔｓｔａｒｔｅｒｓｔａｒｔｅｄｕｐｔｈｅｈｉｇｈｐｏｗｅｒｐｕｍｐｓｔａｂｌｙｔｏｒｅ ｄｕｃｅｔｈｅｒｕｓｈｏｆｃｕｒｒｅｎｔ．Ｉｆｔｈｅｃｏｎｖｅｒｔｅｒｆａｉｌｓ，ｔｈｅｓｏｆｔｓｔａｒｔｅｒｗｉｌｌｓｔａｒｔｕｐｔｈｅｐｕｍｐｓ，ｔｈｕｓｉｍｐｒｏｖｉｎｇｔｈｅ ｒｅｌｉａｂｉｌｉｔｙｏｆｗａｔｅｒ．

Key words: ｈｉｇｈｐｏｗｅｒｐｕｍｐ, ｆｒｅｑｕｅｎｃｙｃｏｎｖｅｒｔｅｒ, ｓｏｆｔｓｔａｒｔｅｒ, ｃｏｎｓｔａｎｔｐｒｅｓｓｕｒｅｗａｔｅｒｓｕｐｐｌｙ

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