DFIG - PowerPoint PPT Presentation

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DFIG

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CONTROL OF DFIG – PowerPoint PPT presentation

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Title: DFIG


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????? ????? ???????? ????? ??????? ???? ?? ????
?? ????? ?? ??????? ?????? ????? ?? ????
  • ????? ?????

3
?????
  • ?????? ? ??????? ?????
  • ????? ??????? ??? ???? ??????? ?? ??????? ???
    ????
  • ?????? ????? ???????? ?? ? ???? ????? ? ????? ??
    ????
  • ??????? ?????? ????? ?? ???? (DFIG)
  • ??????
  • ??????? ??? ???? ? ??? ???? ??????? (DFIG)
  • (DFIG) ?? ????? ?????? ?? ????? ??? ?????? ?
    ???????
  • ????? ???? ?? (DFIG)
  • ???? ????? ????? ??? ????? ?? ????
  • ????? ????
  • ?????????
  • ????? ???????

4
?????? ? ??????? ??????? ?? ????? ???
  • ?? ??? 1975 ?? ?? ???????? ???? ?? ???? ??????
    ????? ?? ????? ?????????? ???? ???? ??.
  • ?? ????? ??? 2002 ?? ????? ??? ??? ?? ???? 31000
    ?????? ???? ? ?? ????? ??? 2005 ??? ????? ??
    58982 ?????? ????? ??? .
  • ??? ???? ?? ??? ?? ??? 2020 ?????? 10 ?? ???
    ???? ?? ????? ??? ????? ???. ??? ????? 60000
    ??????? ?????? ?? ???? ?? ???? 30-25 ???? ??
    ????? ????? ???.

5
  • ?? ?? ?? ?? ?? ??? ?? ??? ??? ????? ????? ??? ???
    ?? ????? ?????? ????? ????? ?????? ????? ????
    ????? ???? ?? ???? ?? ?????? ??? ????? ?? ????
    ???? ??? ????? ???? ????? ???? ????? ????? ???
    ???? ??????? ??.
  • ?????? ???? ??????? ????? ???? (Slip Energy
    Recovery) ???.
  • ??? ?? ???? ????? ?????????? ??????? ?? ????? ??.

6
  • ????? ??????? ??? ???? ??????? ?? ??????? ???
    ????
  • ??????? ?????? ??????? ???? (PM)
  • ??????? ?????? ????? ????
  • ??????? ?????? ????? ??? ???? ???
  • ??????? ?????? ????? ?? ????

7
  • ??????? ?????? ??????? ????
  • ??? ??? ??????? ?? ?? ??? ??? ???? ????? ???? ??
    ???? ???? ????? ??????? ?????.
  • ?? ??? ?????? ??? ????? ???? ?? ?? ??? ????? ???
    ???? ???? ???? ???? ??????? ???? ?????? ?? ?? ??
    ????? ????? ???.
  • ???? ???? ??? ??? ??????? ?? ?? ??? ??? ?? ????
    ?? ????? ????? ?????? ??? ?? ??? ?????? ?? ????
    ????? ????? ?? ??????? ??? ??????? ??????? ???.

8
Thyristor Supply-side Inverter
9
Hard-switching Supply-side Inverter
10
Intermediate DC/DC Converter Stage
11
Back-to-back PWM Converter
12
  • ??????? ??????
  • ?????? ??????? ?????? ?? ??????? PM ?????
    ????- ????? ????-???? ?? ????? ? ??????? ????
  • ????? ??????? ?????? ???? ?? ???? ?? ???? ????
    ?? ???????? ??? ??????? ?? ???? ???? ?? ?????
    ???? ?????? ?? ????- ????? ??? ????? ?????
    (inrush current)?? ????? ?????? ?? ????

13
Induction Generator with back-to-back Converters
14
  • ??????? ?????? ????? ??? ???? ???
  • ????? ??? ???? ?? ????? ???? ?????? ?? ????-
    ?????? ????? ????? ???? ????? ? ??????
  • ????? ???? ?? ????? ? ??????? ????? ???? ??
    ??????? ??????- ???? ?? ?????? ????

15
  • ??????? ?????? ????? ?? ????
  • ??? ??????? ?? ???? ??? ???? ?????? ??? ????
    ????? ?? ????? ??????? ??????? ?????? ??? ???
    ??????? ?? ?????? ????? ?? ?? ????.
  • ?? ????? ??? ??????? ??? ???????? ???? ?????
    ??????? ?? ?? ??????? ??? ???? ???
  • ????? ??? ????? ????? ?? ????? ????? ?????? ??
    ??????? ????? ???? ???? ?????? ???? ????.
  • ?? ??? ??????? ??????? ???????? ?? ???? ??? ???.
    ??? ??? ??? ????? ?? ???? ??? ????? ????? ???? ?
    ?? ????? ????? ???? ? ?? ???????? ??? ????? ?????
    ??? ???.

16
Variable-speed wind turbine with a doubly-fed
induction generator (DFIG).
17
  • ?????? DFIG
  • ?????? ????? ????? ???? ?? ???????
  • ?????? ?????? ?? ???? ?????? ?? ????
  • ?????
  • ?????? ?????? ???? ??? ?? ????? ???? ???????
    ???? Overheat ???
  • ?????? ????? ???? ??????? ?? ???? ?? ?? ?? ????
    ???? ?????? ? ????? ?? ?? ???? ??????
  • (Super-synchronous and Sub-synchronous
    Speed)
  • ???? ?????? ???? ????????(???? 30 ?? ????)
  • ???? ????? ? ????? ????????
  • ??????? ??? ????? ????? DeWind, GEWind Energy,
    Nordex, and Vestas

18
DFIG with static Kramer drive
??? ????? ??? ??????? ?? ???? ?????? ?? ????
?????? ??? ???? ? ?? ??????? ? ????? ?? ???? ????
????? ?????. ???? ?? ??? ???? ?? ??? ??? ???? ??
??? ???? ????? ????? ?? ???? ????? ??????????
??????? ?? ???. ??????? ?? ???? ????? ??????????
????? ????? ???? ?????? ??????? ?? ???? ????????
??? ????? ?? ?? ?? ???. ?? ???? ??? ??? 7.5 ??
8.5 ??? ?? ????? ?????? ???? ?? ?? ???? ?????? ??
????? ?? ?? ???? ?????? ????? ?? ???. ??? ????
??? ??? ?????? ??? ???? ? ????????? ???????? ?? ?
????? ???????? ?? ???? ?? ???? ???????? ??? ????
???.
19
DFIG with back-to-back PWM converters
???????? ??? ?????? ???? ????? ??? ????? ?? ???
???? ??? ?? ????? ????? ????? ?????? ?? ????????
??? ???? ?? ??? ???? ???? d ?? ?????? ?????
????? ??????? ???. ???????? ??? ???? ?? ????
????? ????? ???? d ????? ???? DC ?? ???? ????
??????. ?????? ?? ???? ?? ???? ????? ????? ???? q
???? ?????? ?? ????? ???. ???? ???????? ??? ?????
?????? ?? ???????? ?????? ???????? ? ????? ?????
??????? ??????? ???.
20
DFIG with matrix converter
  • ???????? ??????? ?? ????? ?? ?? ????? ????? AC
    ????? ?? ?? ??????? ?? ????? DC ???? ?? ??? ????
    ????? ???.
  • ?????? ??? ????????
  • ??? ???? DC
  • ????? ??? ??? ?? ???????? ????? ?? ???.
  • ??? ???? ??? ??? ???? ?? 9 ????? ?? ???? (??
    ????? 18 ?????) ??? ?? ????? ?? ???? ?? ???.

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25
??????? ??? ???? ?? ??????? ?????? ????? ??
???? ??????? ?????? ?? ???? ???? ?? ???? ?????
?? ???? ??? ?????? ?? ???? ?????? ?? ???? ????
????? ???? ? ?? ???? ??? ???? ?? ?? ?? ???? ????
?? ????.
26
  • ??????? ???? ????? DFIG
  • ?? ??? ???? ????? ???? ??????? DFIG ???? ???? ???
    ???.

Equivalent circuit of induction machine
???? ????? ??? ?????
????? ???? ????? ???? ????? ?????
??? ?? ???????? ??? ????? ???? ????????
????? ??? ?? ???? ??????? (?? ?? ???)
27
  • ??????? ???? ????? DFIG (?????)

?????? ?????????????
?? ??? ??? ?? ????? ???? ??????? ? ????? ??????
????
???? ????? ??? ???????
???? ????? ??? ?????
28
  • DFIG ?? ????? ?????? ?? ????? ??? ?????? ?
    ???????
  • DFIG ?? ????? ????? ??????
  • ?? ??? ????? ??? ?? ??? ???? ?? ???????
    ???? ??? ??? ???.
  • ??? ????? ?? ?? ????? ??? ??? ????? ???? ?????
    ?????? ???? ??? ?? ??? ????? ?? ????? ?? ???? DC
    ???? ?? ???.

PS vs. d curves of a DFIG.
29
???? ???? ????? ?? ??? ??? ?? ?????? ????
30
  • DFIG ?? ????? ????? ???????

??? ??? ????? ??? ???? ???? DFIG ?? ???? ??
???. ????? ???? ??? ??? ???? ????? ?? ? ????? ???
?????? ???? ????? ??????? ?????? ???? ?? ???.
PS vs. ?m.
31
DFIG????? ?? ?? ????? ??????
32
????? ????? ?? ??????? ?????? ????? ??????
  • Cascaded Doubly-Fed Induction Machine
  • Single-Frame Cascaded Doubly-Fed Induction
    Machine

Principle of cascaded doubly-fed induction
machine.
33
  • Brushless Doubly-Fed Induction Machine
  • Doubly-Fed Reluctance Machine

34
  • ????? ????

?? ????? ?? ???? ??????? ?????? ?? ????? ???????
????? ? ???? ???? ??? ???? ?? ????? ? ??? ???? ?
???? ????? ??????? ?? ?? ?? ??????? ??? ????
???????? ????? ???? ??????? ?? ??????? ???
??????? ???? ?? ?? ???? ????? ???? ? ??? ????? ?
??? ???? ??????? ???? ???? ??????? ???? ????? ??
????? ???? ??????? ?? ??????? ?????? ????? ????
??????? ????? ?? ????? ???? ???? ?? ? ???? ????
??? ?? ??? ????? ???? ??????? ?? ???? ????? ?????
???? ??? ????
35
????????? ????? ??? ?? ? ???? ??? ????? ??????
???? ????? ????? ? ?????? DFIG ????? ?????
??????? ??????? ?? ?DFIG ?? ????? ????? ??? ??
?????? ????? ?? ???? ?? DFIG ????? ??? DFIG ??
????
36
  • ????? ?????
  • 1- Baroudi JA, et al. A review of power converter
    topologies for wind generators.Renew Energy
    (2007)
  • 2- Lianwei Jiao, et al. Doubly-fed induction
    generator (DFIG) as a hybrid of asynchronous and
    synchronous machines, Available online at
    www.siencedirect.com
  • 3- Henk Polinder, et al. Basic Operation
    Principles and Electrical Conversion Systems of
    Wind Turbines, Available online at
    www.elkraft.ntnu.no
  • 4- Datta, R., Ranganathan, V.T. Variable-speed
    wind power generation using doubly fed wound
    rotor induction machine-a comparison with
    alternative schemes, IEEE Transaction onEnergy
    Conversion, Volume 17, Issue 3, Sep 2002, pp.414
    - 421

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