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picture1_Motor Ppt 83096 | Nsf Workshop Slides For Vector Course July 24 26 2019


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File: Motor Ppt 83096 | Nsf Workshop Slides For Vector Course July 24 26 2019
part 2 2 seamless discussion of dynamic control and encoder less operation t load 0 t m 0 t copyright ned mohan 2005 by copyright ned mohan 2005 by permission ...

icon picture PPT Filetype Power Point PPT | Posted on 11 Sep 2022 | 3 years ago
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                                                                                                    Part 2- 2
                  Seamless discussion of dynamic 
                  control and encoder-less operation
                                      T
                                        Load
                                            0                                                   t
                                        
                                          m
                                            0                                                   t
   ©Copyright Ned Mohan 2005, by         ©Copyright Ned Mohan 2005, by 
      permission from MNPERE                permission from MNPERE
                                                                                                 Part 2- 3
                What is an Electric-Motor Drive?
                                                 Electric 
                                                  Drive
                                          Power 
                                       Processing            Motor                        Load        
                          fixed        Unit (PPU)
                          form
          Electric Source                         adjustable       speed /
                                                     form          position
              (utility)
                                                            Sensors
                                      Controller                 measured                Power
                                                               speed/ position           Signal
                                                 input command 
                                                 (speed / position)
                                  - Harnessing of Wind Energy
   ©Copyright Ned Mohan 2005, by  -     ©Copyright Ned Mohan 2005, by 
                                          permission from MNPERE
     permission from MNPERE        Hybrid Electric Vehicles
                                                                                                                                                                                Part 2- 4
                                                Power Processing Unit
                                           aa                                                                              aa
                                                                                                                                              bb
                VV                                     bb                                                                                                          cc
                  dd
                                                                 cc                                                                                                                                               
                                                                                                VV                                                                                 
                                                                                                     dd
                                                                                                                                                                               aaccmmoottoorr
                                                                                                     
  vv            ((tt))
   ccoonnttrrooll,,aa                 qq ((tt))    qq ((tt))   qq ((tt))
                                        aa           bb          cc
                                                                                                                      dd ((tt))           dd ((tt))           dd ((tt))
  vv            ((tt))                                                                                                  aa                  bb                  cc
   ccoonnttrrooll,,bb
 vv            ((tt))
   ccoonnttrrooll,,cc
             vv   ((tt))
              ttrrii
               Reference Book: First Course on Power Electronics by Ned Mohan, published 
               by MNPERE (See www.MNPERE.com for details).
    ©Copyright Ned Mohan 2005, by                                       ©Copyright Ned Mohan 2005, by 
          permission from MNPERE                                             permission from MNPERE
                                                                                                                                 Part 2- 5
                           Equivalent Windings in A Squirrel-Cage Rotor
                                 b axis
                         B axis                                                         Stator
                                                               m
                                     ib                                                 i (t) i (t)i (t) 0
                                                                  A axis                a        b         c
                                                              m                                3
                                        iB                         a axis              L  L
                                                i                                         m          m,1 phase
                                                A      i                                        2
                                             i          a
                                             C                                           L L L
                                                                                          s       s      m
                                        ic
                               c axis
                                      C axis                                             Rotor
                                         (a)            i
                         ib                             B                                i   (t) i (t)i (t) 0
                                                                                          A         B         C
                                                                i
                             vb                      vB 0 R      A                              3
                                    R i                        r                         L  L
                                    s  a                                                m          m,1 phase
                                                      vA 0                                 2
                         v        va
                           c                     vC 0                                   L L L
                                                                                          r      r      m
                                                            i
                         i                                    C
                          c
                         Stator circuit                   Rotor circuit
                                          (b) (b)                                       Mutual
                   Figure 2-5 Rotor circuit represented by three-phase windings.       L     L                 cos
   ©Copyright Ned Mohan 2005, by                                                         aA       m,1 phase            m
       permission from MNPERE
                                              Part 2- 6
        Dynamic Analysis of Induction 
       Machines in Terms of dq-Windings
  ©Copyright Ned Mohan 2005, by 
   permission from MNPERE
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...Part seamless discussion of dynamic control and encoder less operation t load m copyright ned mohan by permission from mnpere what is an electric motor drive power processing fixed unit ppu form source adjustable speed position utility sensors controller measured signal input command harnessing wind energy hybrid vehicles aa bb vv cc dd aaccmmoottoorr tt ccoonnttrrooll qq ttrrii reference book first course on electronics published see www com for details equivalent windings in a squirrel cage rotor b axis stator ib i c l phase s ic vb r va v vc circuit mutual figure represented three cos analysis induction machines terms dq...

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