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New strategy to minimize dead-time distortion in DCI-NPC power amplifiers using COE-error injection

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Resano, Tomas
Sala Caselles, VicençMés informació
Romeral Martínez, José LuisMés informacióMés informacióMés informació
Moreno Eguilaz, Juan ManuelMés informacióMés informacióMés informació
Document typeConference report
Defense date2013
PublisherCurran
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The DCI-NPC topology has become one of the best options to optimize energy efficiency in the world of high power and high quality amplifiers. This can use an analog PWM modulator that is sensitive to generate distortion or error, mainly for two reasons: Carriers Amplitude Error (CAE) and Carriers Offset Error (COE). Other main error and distortion sources in the system is the Dead-Time (td). This is necessary to guarantee the proper operation of the power amplifier stage so that errors and distortions originated by it are unavoidable. This work proposes a negative COE generation to minimize the distortion effects of td. Simulation and experimental results validates this strategy.
CitationResano, Jr., T. [et al.]. New strategy to minimize dead-time distortion in DCI-NPC power amplifiers using COE-error injection. A: Audio Engineering Society. "Proceedings of 133nd Audio Engineering Society Convention 2012". San Francisco,CA: Curran, 2013. 
URIhttp://hdl.handle.net/2117/19172
ISBN9781622766031
Publisher versionhttp://cataleg.upc.edu/record=b1373871~S1*cat
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  • Departament d'Enginyeria Electrònica - Ponències/Comunicacions de congressos [1.583]
  • MCIA - Motion Control and Industrial Applications Research Group - Ponències/Comunicacions de congressos [102]
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