The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Low cost and low cogging torque are the most important aspects in the design of direct drive PM wind generators. In this paper a low cost PM wind generator with an irregular, parallel slotted stator is analysed with respect to cogging torque. The sensitivity of average torque and cogging torque to machine dimension variations are investigated. From this a method is proposed whereby regions of low...
In the present study, a novel small permanent magnet generator is proposed. Various characteristics are analyzed using the FEM. A suitable structure for high power and low cogging torque is investigated. Low-cogging-torque characteristics can be achieved by optimization of the auxiliary pole shape. The proposed generator is a low cogging torque generator that operates at low speeds and so is expected...
In a permanent magnet machine cogging torque is produced due to the interaction between the rotor magnets and the slots and teeth of the stator. This paper is a result of an ongoing research work that deals with reduction of cogging torque in dual-rotor radial flux permanent magnet generator (DRFPMG) for direct coupled stand-alone wind energy systems. The DRFPMG is an existing machine design. Two...
Cogging torque is inherent characteristic of PMSG, it affects significantly the cut-in speed of the turbine of wind energy PMSG generation systems. FEM has proved to be the most powerful tool to calculate cogging torque and other important performance of PMSG. In this paper, an improved Maxwell stress tensor method, which can take into account the detailed variation of flux density in the triangular...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.