Search for dissertations about: "electrical motor"

Showing result 1 - 5 of 180 swedish dissertations containing the words electrical motor.

  2. 1. Heat-transfer simulations applied to electrical machines

    Author : Kristian Rönnberg; Christophe Duwig; Jens Walther; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy efficiency; heat transfer; electric machines; high fidelity simulation; modal analysis; Engineering Mechanics; Teknisk mekanik; Electrical Engineering; Elektro- och systemteknik;

    Abstract : Electrification and energy efficiency are two important aspects in present scenarios describing a sustainable future. Electric motors constitute a large fractionof industry’s electricity demand today, and it is expected to remain high inthe future. READ MORE

  4. 2. Analysis of high-speed induction motor prototypes

    Author : Mikael Johansson; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Elektroteknik;

    Abstract : .... READ MORE

  5. 3. Investigation of Issues Related to Electrical Efficiency Improvements of Pump and Fan Drives in Buildings

    Author : Johan Åström; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; permanent magnet motor; efficiency measurement; frequency converter; HVAC load profiles and saving potential; loss model; Induction motor;

    Abstract : This thesis deals with issues related to efficiency of building related pump and fan drive systems. Different motor technologies are analyzed and a more detailed study oninverter fed Induction Machines (IM) is presented. READ MORE

  6. 4. A Permanent Magnet Traction Motor for Electric Forklifts : Design and Iron Loss Analysis with Experimental Verifications

    Author : Yung-Kang Robert Chin; Chandur Sadarangani; Fabio Crescimbini; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Elektroteknik;

    Abstract : This thesis presents the design analysis of a permanent magnet synchronous motor (PMSM) for the traction application in electric forklifts. Within the scope of the study, an existing induction traction motor for electric forklifts benchmarks the expected performances of the proposed PMSM designs, as design specifications. READ MORE

  7. 5. Effects of electrical accidents : occupational and health perspectives

    Author : Lisa Rådman; Magnus Thordstein; Håkan Olausson; Kerstin Norman; Finn Nilson; Örebro universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Electrical accident; Neurosensory symptoms; No-let-go phenomenon; Pain; Voltage; Quantitative sensory testing;

    Abstract : Professionals working in the electrical industry are at risk of accidental injuries caused by electricity. Electrical accidents can cause persistent neurological symptoms, previously mainly described in patients whose injuries were initially extensive. READ MORE