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.
Electrical energy networks' reliability is driven by both, the quality and the reliability of its electrical equipment, e.g. power transformers. Local failures inside their oil/paper insulation can cause breakdowns and resulting high outage and penalty costs. Power transformers are tested on partial discharge (PD) activity at a factory routine test. Complementary, UHF PD monitoring can be used to...
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.