11.10, Raum 110.3 D-76131 Karlsruhe KIT Campus Ost Rintheimer Querallee 2 Geb.
All common stator and rotor windings are taken into account.
Compared with conventional radial flux machine, the main flux path in CPTFM is three dimensional and tr...This paper presents the performance comparison among three different topologies of the permanent magnet synchronous machine, namely a transverse flux permanent magnet machine with flux concentration and claw pole structure, an axial flux machine with segmented armature torus structure and a conventional radial flux machine with embedded permanent m...This paper is about the mechanical design and analysis of a yokeless and segmented armature axial flux permanent-magnet (PM) synchronous machine, which consists of two external rotors and an inner stator. The second winding has pa pole-pairs and is excited with AC sinusoidal current. In order to reduce the levelized cost of wind energy, ever-larger wind turbines are under research and superconducting wind generators are proposed as they have high power density and light weight. martin doppelbauer Pca1 ∂kit edu; Karlsruher Institut für Technologie (KIT) Elektrotechnisches Institut (ETI) Hybridelektrische Fahrzeuge KIT Campus Süd Engelbert-Arnold-Str. Chris heeft 4 functies op zijn of haar profiel. This can lead to strong mutual coupling between the flux paths of the motor phases and thus an isolated modelling of each motor phase of the SRM is imprecise. Bekijk het profiel van Chris Doppelbauer op LinkedIn, de grootste professionele community ter wereld. Du...This paper presents a DC-excited flux-modulated (DCEFM) machine. 70.04, Raum 130 D-76131 Karlsruhe. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. : +49 721 608 - 43180 Fax: +49 721 608 - 42707 soeren hohmann Ngs2 ∂kit edu: Karlsruher Institut für Technologie (KIT) DDr Wolfgang Doppelbauer Lawyer. Rainerstrasse 16 4600 Wels Austria . One of the windings has pf pole-pairs and is excited with DC current. A parasitic shaft to ground voltage is responsible for bearing currents and disturbances in the radio frequency range. In order to...High-performance permanent-magnet synchronous machines show nonlinear behavior due to saturation effects. Sehen Sie sich auf LinkedIn das vollständige Profil an. Preferred dimensions and noise-vibration-harshnes limits are examples of the pr...Performance of several motorswhere copper has been substituted for aluminum in the rotor squirrel cage is reported. Inter-turn faults are for that matter often the origin of more severe faults, which can lead to complete system failures. This paper proposes an innovative interior permanent magnet (PM) synchronous rotor for ultra-high-speed motors which takes full advantage of those properties and eliminates the need of sleeves.
The purp...This paper investigates the cogging torque caused by manufacturing tolerances through analytical, finite element analysis (FEA) and experimental methods.
The proposed scheme identifies voltage errors and compensates their effects online for interior perman...This paper deals with the high efficient iron losses calculation of a yokeless and segmented-armature axial flux machine, which consists of two external rotors and an internal stator.
Different methods of current control schemes are introduced that allow highly dynamic torque control even with distinct nonlinear behaviour of t...This paper is about the design of an electrostatic shield in an electric machine for hybrid electric vehicles and other applications. T +43 (0) 7242 59575 F +43 (0) 7242 59576 E office@doppelbauer.at W: www.doppelbauer.at VAT No.
The analysis is based on a parameter plane, which predicts the behavior of synchronous machine designs by using only two normalized parameters, the permane...Variable reluctance resolvers are needed to regulate electrical machines with inverter control. Martin Doppelbauer: Karlsruher Institut für Technologie (KIT) - Campus Süde Electrotechnical Institute (ETI) - Hybrid Electric Vehicles Phone: +49 (0)721 608-46250 Fax: +49 (0)721 608-42921 martin doppelbauer Oys4 ∂kit edu In order to study the...Compact, lightweight and large-scale generators are desired for offshore wind energy application due to transportation and installation requirements. We focused on regional aircraft, which are in service in...Depending on the nature of a particular energy storage technology, an equivalent storage system will lead to a characteristic performance. Especially, compact and more lightweight generators in offshore wind turbines would result in a reduction of the levelized cost of energy. Using a generalized machine model, the proposed method offers highly dynamic and precise machine control. State of the art current control methods usually ignore these effects and hence do not produce optimal results in t...The paper presents the numerical calculation of iron loss in a novel axial flux machine with segmented armature torus topology is researched. Damit ist auch erstmals eine genaue Untersuchung der Wechselstromkommutierung mglich. The relationship between pr, pf and pa is pr = pf + pa. oec. Considering the 3D magnetic flux in both stator segments and rotor yoke, soft magnetic composites are used to manufacture the soft magnetic compone...This paper presents a holistic approach to determine the effect of online reconfiguration of the motor winding of a synchronous permanent magnet motor resulting in switching the number of turns.
Alle blichen Stator-und Rotorwicklungen werden bercksichtigt.
motoring or generating, such as traction drives for electric vehicles...Switched reluctance motors (SRM) have a cheap and robust structure, which makes them interesting for electric vehicle applications. Four real-time capable st...Inverter nonlinearities and machine spatial harmonics yield unwanted machine current Hereby high filling factors can be achieved, but due to geometric constraints and the influence of current displacements there remains unused space inside the slot. In this application, the advantages of the high mechanical strength, the low...The major limitation of the lifetime and reliability of electrical machines are stator winding faults. Different brush types and their influence on commutation can be calculated. In an extreme case the system will either provide high power (if based on capacitors) or high energy (if based on lithium ion batteries).