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.
The 1995 Ethiopian Constitution envisions a multinational state with the right to self‐determination, including secession, given to the nations, nationalities, and peoples of the country. This remarkable document is a product of a unique combination of Ethiopia's history, Marxist‐Leninist debates of the 1974 revolution, and political circumstances of the time the Ethiopian People's Revolutionary Democratic...
As demand for mobility continues to rise accompanied by environmental and energy problems, electric vehicles (EVs) have been heralded as imminent long-term solutions to sustainable transport electrification. Battery electric vehicles in particular offer zero tailpipe emissions. However, they can only be considered as true greenhouse gas (GHG) emissions mitigating option if the electricity used to...
This paper deals with a protection circuit against an overvoltage caused by a sudden battery removal from the dc link terminals. The system can be protected against this overvoltage by opening the neutral point of the generator and by engaging a dissipating resistor across the dc link terminals. This method is successfully tested and validated.
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.