Steel Loss as a function of frequency

???????????? ?????????????????????? Steel losses ??? function of frequency ??? ????????? empirical formula ?????? ???????? [?] ? ????????? ?????????? ???????????????????

eq (?)

??????????????? ???????????????? f=50 Hz ????? Steel loss Pst(50) ??? ??????? ???????????? ?????? eq (?) ??

eq (?)

?????????? ??????? eq (?) ??? ????????????????

eq (?)

??????? ??????????????????? ????? ???????????? empirical formula ????? ?????????????????? frequency controlled motor ?????? ?????????????????? ??????????? ???????? ????? ???????????????????? ?????????????????????????

?? ??????????????? ????????? ??????????????????????? ????? ???????????????????

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Title : ?? ??????? ??????????? ?????? ?? ???????????????? ???????? ???????????. ?
Authors : ??????? ?.?., ???????? ?.?., ??? ?.?., ????? ?.?.
(???????? ??????????????? ??????????? ???????????) Vladimir@koe.dgtu.donetsk.ua
Journal : ??????????????

Tags: steel losses, induction motor design, bluephoenix