Saturday, 28 July 2007

imd001 ? induction motor design ???????

induction (asynchronous) ????????????? ??????????????? ???????????????????? ????????????? ????????? ???????????????? ?????????????????? ??????????????????
????????? ??????????? ???????????? ???????????????? ?????? ??????????????? ???????????????? ????????????? ????????????????? ???????????? ?????????? ?????? ??????????? ????????????????????????? ???????? ????????? ????????????? ??????????????????????? ????????? ??????? ?????????????? ??????? ??????????? ??????? ????????? ????????????? ????????? ????? (?????) ????? ????????????????????????? ????????? ??????????????????????????? ???????? ???????? ????????????? ?????????????? ?????? ?????? ???????? ??????????????????induction ?????? ????????????????????? ?????????? ???????????????? ????????????????????????? ???????? ?????????????? ??? ??????? empirical methods ???? ????????????????????????????????????? ??????????????????????????? ???? ??????????? ??????????????????? ????????????????????????? ?????????????????????????? ?????????????????? ????????????????????? ?????? ??????? ???????????? ???????????? ????????????????????????????? ?????? ??????????? ???????????????????? ???????? ???? ????????????????? ????????????????????
????????? ??????????? ??????????? ??? ? ?????? ??????? (machine constant of Arnold) ??? ???????????????????????? (?????? ????????? ??? constant ??? ???????????? ?????????????????)
(machine constant of Arnold) ????????? ?????? ???????????(eq-1)????????????? ???????? ?????????????? ???????????? ?????? ?????? ???(???-?)??? ??????????????? ?????? ?????????????? ?????? CA - (machine constant of Arnold) ????????? ?????? ?????????? ?????????? D - (inner diameter of stator) ??? ?????? ????????? ??????????? ?????????? l? -??? ??????? effective length ?????????? P` - (calculated output power) ??? ???????????????????? ????? ???? ??????????
??????? machine constant ??? ?????????????? electrical machine ???? ???????????????????? ???????????????? ??????? ?????????? ??? (electromagnetic load - A), Voltage, type of insulation, cooling system, cost of material, reliability, initial cost and running cost ??????? ?????????????????? ????????? ???????? ?????? ?????????????? ?????????????? ?????? ???????????????? ???????? ?????????? ???????? ?????(D.D.l?) ??? torque (or) moment (M=P1/?) ????? ??????? ????????????????? ????? ???????????????? ???????????? ???????? ???? ???? ?????????? ???????? ??????? ?????????????? ????? ????????????? ??? ??????????? ?????? ????????? ?????? ???????? ?????????????? ?????????????????? ??????????????????????? ???? parameter ??? air gap ?????? ???????????? energy of electromagnetic field ?????????? ??????????????? ??????? ???????????????????? ???? ??????????? ????????? ????????????? ????????? ????????????? ???? ??????? ????????? parameter ????????????? electrical machine ??????? air gap ??????? energy ??? magnetic field ?????????? ????????????? ???? ??????????????????????? D ????? l? ????????????? ???? ? ????? ??????????? volume of effective part ??? ??????????????? ???? ???????? core, coil and slot ???????????? ?????????????

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