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...........................................................................................................................................................7
0.1 Toerenregeling van elektromotoren .............................................................................................7
0.2 Het voordeel van toerenregeling ...................................................................................................8
0.3 Hoe wordt het motortoerental aangepast? ...............................................................................8
0.4 Frequentieomvormers .......................................................................................................................9
1.1 Overzicht .............................................................................................................................................. 10
1.2 Basisprincipes ..................................................................................................................................... 11
1.2.1 Stator en rotor......................................................................................................................... 11
1.2.2 Vermogen en koppel ............................................................................................................ 12
1.2.3 Wisselstroom- en gelijkstroommotoren ....................................................................... 13
1.2.4 Elektromagnetische inductie ............................................................................................ 13
1.2.5 Polen, synchroon toerental en asynchroon toerental .............................................. 14
1.2.6 Rendement en verliezen ..................................................................................................... 15
1.3 Asynchroonmotoren ........................................................................................................................ 17
1.3.1 Draaiveld ................................................................................................................................... 17
1.3.2 Kooiankermotor ..................................................................................................................... 19
1.3.3 Slip, koppel en toerental ..................................................................................................... 21
1.3.4 Typische bedrijfscondities .................................................................................................. 23
1.3.5 Toerental wijzigen ................................................................................................................. 24
1.3.6 Motortypeplaatje en ster- of driehoekconfiguratie .................................................. 27
1.4 Synchroonmotoren .......................................................................................................................... 29
1.4.1 Permanentmagneetmotoren (PM-motoren) ............................................................... 29
1.4.1.1 Tegen-EMK .............................................................................................................. 31
1.4.1.2 Koppel en toerentalbereik ................................................................................ 32
1.4.2 B orstelloze DC-motoren (BLDC) of elektronischecommutatiemotoren
(EC-motoren) ........................................................................................................................... 33
1.4.3 Netstart-PM-motor (LSPM-motor) ................................................................................... 34
1.4.4 Reluctantiemotoren ............................................................................................................. 35
1.4.5 Synchrone reluctantiemotor met kooianker ............................................................... 36
1.4.6 Synchrone reluctantiemotor (SynRM)............................................................................ 37
1.4.7 Geschakelde reluctantiemotor (SRM) ............................................................................ 39
2.1 Directe omvormers ........................................................................................................................... 41
2.2 Omvormers met tussenkring ........................................................................................................ 42
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Vlt automationdrive fc 301Vlt automationdrive fc 302

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