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.
AC traction power-supply systems are vulnerable to the high-order harmonics from grid-side rectifiers, which are usually single-phase three-level neutral-point-clamped (NPC) converters. In this study, a dipolar single-carrier-based pulse width modulation (SCBPWM) scheme is first designed for the adopted NPC converter. Then, on the basis of the dipolar SCBPWM scheme, a novel hybrid SCBPWM scheme with...
The configuration of a single-phase three-level neutral point clamped (NPC) converter has been widely applied in high-speed railway electrical traction drive systems. This paper proposes a control and modulation scheme for the single-phase three-level NPC converter. Firstly, an active and reactive current decoupled control scheme in d-q synchronous frame is presented for single-phase three-level NPC...
This paper deals with the analysis, design and operation of a control system for the single phase three-level converter with a neutral-point diode-clamped (NPC) topology. The mathematic model of the converter in D-Q reference frame is derived. Two closed control loops are adopted in the control scheme to achieve line current command tracking and DC-link voltage regulation. The traditional 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.