Design of Rotating Electrical Machines
- J. Pyrhonen, T. Jokinen, V. Hrabovcová
- Materials Science
- 9 February 2009
This book enables you to design rotating electrical machines with its detailed step-by-step approach to machine design and thorough treatment of all existing and emerging technologies in this field.
Modeling of axial flux permanent-magnet machines
- A. Parviainen, M. Niemela, J. Pyrhonen
- EngineeringIEEE transactions on industry applications
- 27 September 2004
In modeling axial field machines, three-dimensional (3-D) finite-element method (FEM) models are required in accurate computations. However, 3-D FEM analysis is generally too time consuming in…
Direct-drive permanent magnet generators for high-power wind turbines: benefits and limiting factors
- R. S. Semken, M. Polikarpova, J. Backman
- Physics
- 30 January 2012
Wind turbines are getting larger. Their rated power capacities are moving from the 3 MW range to 6 MW and beyond. As a result, their size and mass, which grow rapidly with power capacity, is becoming…
Optimal Design of Large Permanent Magnet Synchronous Generators
- J. Tapia, J. Pyrhonen, J. Puranen, P. Lindh, S. Nyman
- EngineeringIEEE transactions on magnetics
- 2013
A simple analytic optimization algorithm is used to maximize the apparent airgap power transferred under tangential stress constraint and close agreement with the finite element analysis results are found with this approach, which is based on analytical method.
Hybrid excitation synchronous generators for island operation
- K. Kamiev, J. Nerg, J. Pyrhonen, V. Zaboin
- EngineeringInternational Conference on Electrical Machines
- 25 October 2010
The paper discusses Hybrid Excitation Synchronous Machines (HESMs) principles and their application possibilities. HESMs combine both features of traditional wound field synchronous machines (SMs)…
Influence of Travelling Current Linkage Harmonics on Inductance Variation, Torque Ripple and Sensorless Capability of Tooth-Coil Permanent-Magnet Synchronous Machines
- P. Ponomarev, I. Petrov, J. Pyrhonen
- EngineeringIEEE transactions on magnetics
- 2014
This paper introduces an important source of torque ripple in permanent-magnet synchronous machines with tooth-coil windings (TC-PMSMs). It is theoretically proven that saturation and…
Lumped-Parameter Thermal Model for Axial Flux Permanent Magnet Machines
- N. Rostami, M. Feyzi, J. Pyrhonen, A. Parviainen, M. Niemela
- EngineeringIEEE transactions on magnetics
- 1 March 2013
A lumped-parameter thermal model is presented for axial flux permanent magnet (AFPM) machines. The model provides the steady-state thermal solution to derive the temperatures at different parts of…
Thermal parameters determination of battery cells by local heat flux measurements
- K. Murashko, A. Mityakov, J. Pyrhonen, V. Mityakov, S. Sapozhnikov
- Engineering, Physics
- 20 December 2014
Unequal Teeth Widths for Torque Ripple Reduction in Permanent Magnet Synchronous Machines With Fractional-Slot Non-Overlapping Windings
- I. Petrov, P. Ponomarev, Y. Alexandrova, J. Pyrhonen
- Engineering, PhysicsIEEE transactions on magnetics
- 1 February 2015
A new technique for torque ripple minimization in TCW PMSM is introduced and influence of the permanent magnet skewing on the torque ripple reduction and cogging torque elimination was investigated, and the reduction of some torque ripple harmonics was attained.
Effect of Radial Cooling Ducts on the Electromagnetic Performance of the Permanent Magnet Synchronous Generators With Double Radial Forced Air Cooling for Direct-Driven Wind Turbines
- V. Ruuskanen, J. Nerg, M. Niemela, J. Pyrhonen, H. Polinder
- EngineeringIEEE transactions on magnetics
- 11 January 2013
Most of the high-power, low-speed, direct-driven permanent magnet synchronous generators for wind energy applications apply a cooling solution where the stator core is divided into a number of…
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