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.
This paper investigates the application of a dynamic voltage restorer (DVR) to assist with the uninterrupted operation of a wind turbine driving a doubly-fed induction generator (DFIG), connected to a power network, during grid faults. In order to reduce the power rating of the DVR, the control schemes of rotor-side converter and pitch angle of the DFIG and DVR are suitably designed and coordinated...
This paper presents two new methods for estimating the capacitance value of DC-link capacitors for single-phase AC/DC PWM converters. At no load condition, a controlled AC current (or a controlled AC voltage) with a lower frequency (30 Hz) than the line frequency is injected into the input side, which then causes AC voltage ripples at the DC output side. By extracting the AC voltage, current, and...
In this paper, a novel online capacitance estimation method for a DC-link capacitor in a three-phase AC/DC/AC PWM converter is proposed. A controlled AC voltage with a lower frequency than the line frequency is injected into the DC-link voltage, which then causes AC power ripples at the DC output side. By extracting the AC voltage and power components on the DC output side using digital filters, the...
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.