Sökning: "induktionsmaskin"

Hittade 3 uppsatser innehållade ordet induktionsmaskin.

  1. 1. CFD Simulations of Velocity and Temperature Distributions of the AuraGen Axial Flux Machine

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Huanyu Chen; [2022]
    Nyckelord :CFD simulation; Induction machine; Temperature distribution; Velocity distribution; CFD-simulering; Hastighetsfördelning; Induktionsmaskin; Temperaturfördelning;

    Sammanfattning : Axial flux induction machines are attractive solutions for electric vehicle applications nowadays. Thanks to their high torque density and no need for rare-earth material for permanent magnets, axial flux induction machines are the most used electric machine type with good performance and low prices. LÄS MER

  3. 2. Real-time detection of stator resistance unbalances in three phase drives

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Bhanu Pratap Singh; [2020]
    Nyckelord :DC voltage injection; Fault detection; Field-Oriented Control; Induction machine; Inter-Turn Short Circuit; Short circuit; Sequence; Stator resistance unbalance; Symmetrical components; likspänningsinjektion; feldetektering; fält orienterad reglering; induktionsmaskin; InterTurn Short Circuit; kortslut; sekvenser; statormotstånd obalans; symmetriska komponenter;

    Sammanfattning : An estimated 30% of the faults in Induction Machine (IM) are related to its stator. These faults are mostly in the form of an Inter-Turn Short Circuit (ITSC) fault i.e., when two winding inside the stator of IM are shorted due to insulation failure. LÄS MER

  4. 3. Impact of Converter Modulation Strategies on the Losses in a Traction Motor

    Uppsats för yrkesexamina på avancerad nivå, KTH/Elektrisk energiomvandling

    Författare :Emil Fjällström; [2015]
    Nyckelord :Induction Machine; FEM; FLUX; Induktionsmotor; FEM; FLUX;

    Sammanfattning : With an increased demand on high-efficiency electrical machines in traction applications, better understanding in the losses induced by the converter is needed. The harmonic losses from the converter are non-negligible part of the total losses in an induction machine, and these harmonic losses have been studied here with a focus on iron, skin-effect and proximity losses. LÄS MER