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.
Diagnostics of electrical machines windings insulation technical condition is an important issue from the viewpoint of machines reliability and operational hazard. The proposed insulation tests utilise dc voltage and consist of three related procedures. After running the tests, the obtained data is classified and insulation graded in accordance with proposed criteria. These criteria are presented...
An outstanding feature of electric motors with permanent magnets is their high efficiency. It is highest among all the motors used in electric drive applications. Permanent magnet synchronous motors (PMSM) dedicated for use in electric traction drives or in automotive vehicles should be additionally characterized by a high maximal to nominal torque coefficient and by a wide range of speed control...
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.