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PMSM???

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PMSM d-q – PowerPoint PPT presentation

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Title: PMSM???


1
PMSM???
  • ??????????????
  • ????????,?????????,???d-q???????
  • ??????????,??????????????????

??????????????????
2
3.3 ??????? (Brushless Direct Current Motor
,BLDC)
  • 1??????????
  • 2????????????
  • 3????????????
  • 4?PWM????

3
1. ??
  • ???????????????????
  • ???????????????????
  • ?????????????????

4
  • ???????????????????????
  • ???BLDC?????????
  • ??2?3????
  • ???????????????????,?????

5
  • ???BLDC?PMSM????,??????
  • BLDC?????????????,????????????? PMSM???????????
  • BLDC?????????????????????? PMSM??????????????

PMSM?????????????
BLDC???????????????
6
?????????
  • ???????????????,?Tm??
  • ????????????,?Te???
  • ????????,TmTe
  • ????n???,TenTm?

7
2. ????
  • 1)???????
  • ???????3?6?,????????????

8
  • ???????,??????????
  • ??????????,????A?????,?B??????,???????????????????
    ??

9
6?????
  • ????????????
  • ???????????????,????????,???????
  • ??????
  • 1.AB- 2.CB- 3.CA- 4.BA- 5. BC-
    6.AC-

10
6?????
  • 1.AB- 2.CB- 3.CA- 4.BA- 5. BC-
    6.AC-
  • ??????60?,?6?????????
  • ???????????

11
6?????
  • ???????,???????????
  • ???????,???????1?2?3?4?5?6
  • ???????,???????6?5?4?3?2?1
  • 1.AB- 2.CB- 3.CA- 4.BA- 5. BC-
    6.AC-

12
2)???????
  • 1.AB- 2.CB- 3.CA- 4.BA- 5. BC-
    6.AC-
  • ?????????????,?????????????,??????????????????????
    ?,?????????
  • ?????????????,?????????????,????????????,?????????
    ????
  • ?BLDC?,????3??????????????????????3?????????????6?
    ???????????

13
????????
  • ???????????????
  • ??????,????????????,OC??????,???????
  • ?????????? ?OC??????,????
  • ??????,????????

14
  • ????????????????????,?N??????????????????????,????
    ????
  • ?N?????????????????????,??????????????????S??????
    ??,????????????
  • ?S-N???????,???????????????50?
  • ????????,???????????????????????,????????,????????
    ?????

15
  • ???????????3??????,??120??60???????
  • ????120?,?3?????????????120????
  • ????????????180?????
  • ????????????1,????0,??????????3?????????

16
100 000 001 011 111 110 100 000 001 011
111 110
  • ????60?,???????60?????
  • ??120??60????????????

17
????????3?,???2??,3???????? 60??????,?6??????????
??????,????????
1.AC- 2.AB- 3.C B- 4.CA- 5.BA- 6.
BC-
????????????????6???????,????????,??????????
18
  • 1.AB- 2.AC- 3. BC- 4. BA- 5.C A- 6 .CB-
  • ?????????????
  • ???????????????????

19
  • ?????????????????????? ,????????????????
  • ??????????????,???????????????????

20
3)??????????
  • ????????,?????s-?r?90?,?????????
  • ??????60???,???????????
  • ?????????????90?????
  • ????????????120??????????????,???????60????,??????
    ?,??????????????60-120?,??90??

21
  • ??????????DC???????????
  • ????????????????????120??
  • ??????????????????,???????????????,?????????????
  • ??????????
  • T?EaIaEbIbEcIc
  • ???EKe?,???????????????????,
  • T2KeIa
  • ??,????????????,??????????

BLDC??
22
?????
  • ???????????,???????????????,?????? ? ???????
  • ????????,???????????????????????

23
4)??????????
  • ????????????????????

24
3?????
  • ?BLDC???,???????,???????,??????????,??????????????
    ?????????

25
BLDC?????????
  • ??????,????????????Tr.
  • ???????,?????????????????????????????,????????????
    Tp???????????

26
4?PWM????
  • ???BLDC ??????,??????????????
  • ??PWM????,????PWM ????????,?????????????,?????????
  • ????????DSP?????,???????PWM??????PWM???
  • ???????????,????6?PWM??,??6??????
  • ?dsPIC30F2010?????

27
dsPIC30F2010?PWM ??
28
  • ???????????????,????????????????????,????????
  • ???????????
  • ??????????

29
  • MCPWM?PWM???????????16?PTMR??????PTPER
    ?????,PTMR???????,PTPER?????????PWM??????PTMR?????
    ???,?????PTPER?????????,?????,????????PWM?????PTPE
    R??,?????????????,???????PWM??????
  • PWM ????PDC??????????????PWM?????????????????PDC
    ?PTMR??????,??PWM?????????????????,??????????????
    ?????????,????????PWM???
  • ???????????????????????????????,??????????????????
    ???????????????????????
  • ???????OVDCOND???? ????6?PWM????????1?,???????????
    ????????????,???0?,???????

30
  • OVDCOND????????????????????????????

AC- AB- CB- CA- BA- BC-
31
?1 ???????BLDC??
32
?2 ??????????????SI9979
33
SI9979??
  • ???????????,60?120?????,??????????
  • ??????
  • ?????????
  • PWM?????
  • ????,?????
  • 20?40????

34
?3 ?DSP???BLDC??
35
BLDC???
  • ?DC???????????????,??????????????????????????????
    ?????
  • ?ASMS????????,????
  • ?????DC???ASMS????
  • ???????????,???????????????

36
???
  1. ??BLDC???????????
  2. ??????????????????,??????????????
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