00837nam0-22003011i-450-99000051432040332120080227154339.00-86341-114-2000051432FED01000051432(Aleph)000051432FED0100005143220020821d1988----km-y0itay50------baenga-------001yyVariable frequency AC motor drive systemsDavid FinneyLondonPeter Peregrinusc1988391 p.ill.25 cmIEE Power engineering series8Motori elettrici a corrente alternata621.46'2Finney,DavidITUNINARICAUNIMARCBK99000051432040332110 F I 2531607 DEEDINELDINELUNINA