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.
A string of classic glass insulators and fog-type porcelain insulators were subjected to the simultaneous effects of ac high-voltage, hard rain and wind. The experiments were performed in a cold room with a H.V. transformer of 125 kVA, 120 kV. A high voltage, 15 kV per unit insulator, was applied to a vertical string of insulators during the icing period. When the thickness of ice on the monitoring...
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.