
ball mill hp motor - comonoosa.com.au
Jan 14, 2019nbsp018332a typical rating of a synchronous motor for a ball mill in a cement plant is 8750 hp, unity power factor, 14.5 rpm, 4.84 hz, 1900 v and 40 poles. a cycloconverter is ideally suitable for such a low frequency supply. earlier gears were employed to get low speed operation. absence of gears in this drive reduces the cost and maintenance requirements.
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