Exploració per tema "Rotary converters"
Ara es mostren els items 1-18 de 18
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A modified voltage balancing sorting algorithm for the modular multilevel converter: Evaluation for staircase and phase-disposition PWM
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper introduces a low complexity implementation of the voltage balancing sorting algorithm to reduce the switching frequency of the power devices in modular multilevel converters (MMCs). Two modulation techniques are ... -
A modified voltage balancing sorting algorithm for the modular multilevel converter: Evaluation for staircase and phase-disposition PWM
(2015-08-01)
Article
Accés obert -
Active-Clamp Flyback converter for USB-PD application design and implementation
(Universitat Politècnica de Catalunya, 2021-05-28)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
An anti-islanding method for voltage controlled VSI
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialIslanding detection methods have been widely applied and thought for current-controlled voltage source inverters, as in case of photovoltaic inverters. However, some considerations have to be taken into account when ... -
Analysis of voltage balancing limits in modular multilevel converters
(IEEE, 2011)
Text en actes de congrés
Accés obertThe modular multilevel converter (MMC) is one of the most promising converter topologies for high-voltage applications, especially for high-voltage direct-current (HVDC) transmission systems. One of the most challenging ... -
Capacitor voltage balance limits in a multilevel-converter-based energy storage system
(2011)
Text en actes de congrés
Accés obertThis paper studies an energy storage system based on a three-level DC-DC converter and a gridconnected neutral-point-clamped inverter. The main advantages of this multilevel power conversion system are highlighted and ... -
Control design for multiphase synchronous buck converters based on exact constant resistive output impedance
(Institute of Electrical and Electronics Engineers (IEEE), 2013-11)
Article
Accés restringit per política de l'editorialThis paper describes a control design methodology based on output impedance analysis for multiphase synchronous buck converters. This design leads to an optimal output voltage transient response. Two design alternatives ... -
Convertidor dc-dc elevador en modo interleaving
(Universitat Politècnica de Catalunya, 2015-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEste proyecto se basa en la conexión de un módulo de supercondensadores a una red de corriente continua, con la finalidad de absorber y entregar potencia con una dinámica mucho más rápida de la que sería capaz de aportar ... -
Diseño e implementación de la etapa de supervisión de un inversor de 100kW conectado a red
(Universitat Politècnica de Catalunya, 2014-05-25)
Treball Final de Grau
Accés restringit per decisió de l'autorEste proyecto está dedicado al estudio de un convertidor conectado a la red eléctrica, donde se estudiará tanto la supervisión del autómata de control de conexión como diferentes técnicas de modulación utilizadas y el ... -
Grid sequence detector based on a stationary reference frame
(2010-06)
Article
Accés obertThis paper proposes a new three-phase positive sequence detector. The scheme is based on a stationary reference frame and a Moving Average Filter (MAF) that guarantees the complete cancellation of harmonics and grid ... -
Hard-less common mode active EMI filter
(2012)
Text en actes de congrés
Accés obertActive EMI filters appear as an alternative to classical EMI filters based on passive components. Active EMI filters can provide more compact, cheaper and lighter solutions than passive approach. In this paper we present ... -
Inverter design for four-wire microgrids
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper presents a PQ four quadrant four-wire three-phase inverter for microgrids integration. The inverter is based in two full-bridge IGBT modules connected in a three-phase configuration plus a threephase parallelized ... -
Mathematical efficiency modeling of static power converters
(2015)
Text en actes de congrés
Accés obertThis paper presents a review and a comparative analysis between mathematical models for the efficiency of power converters. Two different types of models are considered, being one for converters subject solely for output ... -
Performance analysis of dual-frequency buck converter for integrated power management
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe use of dual-frequency (DF) buck converter architecture consisting of a merged structure of high and low frequency buck cells is presented as a candidate topology for integrated power management to obtain favorable ... -
Simple low-cost hysteretic controller for multiphase synchronous buck converters
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011-06)
Article
Accés restringit per política de l'editorialThis paper presents a novel hysteretic controller for a multiphase synchronous buck converter supplying low voltage, high current, and high slew-rate loads. The control scheme implements the main control functions for ... -
Solid State Transformer Based on the Flying Capacitor Multilevel Converter for Intelligent Power Management
(IEEEXPLORE, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialFuture grids will consist of large scale of integration of both renewable and other distributed energy sources. Therefore, advanced power electronics converters for critical loads will be needed in order to enhance power ... -
Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications
(Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
Article
Accés obertDiscontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. ... -
Voltage-balancing method using phase-shifted PWM for the flying capacitor multilevel converter
(2014-09)
Article
Accés restringit per política de l'editorialMultilevel flying capacitor (FC) converters provide natural capacitor voltage balance under phase-shifted pulse width modulation (PS-PWM). However, natural balancing may not be robust enough to maintain the voltages at the ...