Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Sala Caselles, Vicenç"'
1
Dissertation/ Thesis
Disseny òptim d'amplificadors d'audio commutats DCI-NPC d'alta potència i qualitat
Autor: Sala Caselles, Vicenç
Publikováno v: TDX (Tesis Doctorals en Xarxa).
Class-D Amplification has been an absolute improvement in terms of electrical efficiency in audio amplification systems, but it has been during the first stabilization decade of this technology in the market when manufacturers have made public their
Externí odkaz: http://hdl.handle.net/10803/285007
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2
A simple method for reducing THD and improving the efficiency in CSI topology based on SiC power devices
Autor: Fernández Palomeque, Efrén Esteban|||0000-0003-2188-9446, Paredes, Alejandro, Sala Caselles, Vicenç|||0000-0001-5001-7431, Romeral Martínez, José Luis|||0000-0001-8112-8038, Sala, Vicent
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Energies, Vol 11, Iss 10, p 2798 (2018)
Energies; Volume 11; Issue 10; Pages: 2798
Recercat. Dipósit de la Recerca de Catalunya
instname
Silicon carbide (SiC)-based switching devices provide significant performance improvements in many aspects, including lower power dissipation, higher operating temperatures, and faster switching; compared with conventional Si devices, all these featu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::048f9b2cba7ec7419f17ac807ea78d54
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3
Method to reduce THD and improve efficiency in SiC power converter
Autor: Fernández Palomeque, Efrén Esteban|||0000-0003-2188-9446, Paredes Camacho, Alejandro|||0000-0003-1230-4063, Sala Caselles, Vicenç|||0000-0001-5001-7431, Romeral Martínez, José Luis|||0000-0001-8112-8038
Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
This paper presents a method to reduce total harmonic distortion (THD) and improve efficiency of a topology of power converter using SiC devices. The method consists of two parts: the first part finds the optimum offset angle between two carrier sign
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::008f87fc53ba59ff61fc88b120aed664
https://hdl.handle.net/2117/116978
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4
Evaluation of trr distorting effects reduction in DCI-NPC multilevel power amplifiers by using SiC diodes and MOSFET technologies
Autor: Sala Caselles, Vicenç, Resano, Tomas, Romeral Martínez, José Luis, Moreno Eguilaz, Juan Manuel
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
In the last decade, the Power Amplifier applications have used multilevel diode-clamped-inverter or neutral-point-clamped (DCI-NPC) topologies to present very low distortion at high power. In these applications a lot of research has been done in orde
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e972f0425688f5c0479ca3e623728e37
http://hdl.handle.net/2117/19170
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5
A novel AC/AC converter based SiC for domestic induction cooking applications
Autor: Salehifar, Mehdi, Moreno Eguilaz, Juan Manuel, Sala Caselles, Vicenç, Romeral Martínez, José Luis
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
This paper presents the analysis and design of a new high frequency ac-ac converter applied to domestic induction heating. The proposed topology uses only four switches to control power. Converter operation is same as a conventional class D inverter.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3d6f72f09f82312e67ca5362add12e2a
https://hdl.handle.net/2117/19039
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6
Fault tolerant operation of a five phase converter for PMSM drives
Autor: Salehifar, Mehdi, Salehi Arashloo Arashloo, Ramin, Moreno Eguilaz, Juan Manuel, Sala Caselles, Vicenç, Romeral Martínez, José Luis
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
In this paper a five phase fault tolerant converter is proposed for permanent magnet (PM) drives. The proposed configuration is an extension of conventional three phase double switch redundant topologies. In contrast to three phase systems,the propos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::67624d8bed1538ab7817de3f4fe00c22
https://hdl.handle.net/2117/19037
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7
Ripple free fault tolerant control of five phase permanent magnet machines
Autor: Salehi Arashloo Arashloo, Ramin, Salehifar, Mehdi, Romeral Martínez, José Luis, Sala Caselles, Vicenç
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
This study is dealt with fault tolerant control of five phase permanent magnet (PM) machines. The main objectives are to increase the output power while eliminating the generated torque ripples. As a new aspect, the effect of available neutral connec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::61fc3b9a1230be8f71cfe0f7d226ec6a
http://hdl.handle.net/2117/20500
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8
Improved open switch fault detection based on normalized current analysis in multiphase fault tolerant converters
Autor: Salehifar, Mehdi, Moreno Eguilaz, Juan Manuel|||0000-0001-6086-7034, Sala Caselles, Vicenç|||0000-0001-5001-7431, Salehi Arashloo Arashloo, Ramin, Romeral Martínez, José Luis|||0000-0001-8112-8038
Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
A new open switch fault detection method based on normalized current analysis is proposed for application in multiphase fault tolerant PMSM drives. Performance characteristics of proposed method are single diagnostic variable, ability to detect open
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::031a35b923cad8895d12c3de08d75d7b
https://hdl.handle.net/2117/20495
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9
Study and improvement of DC-Link perturbations models for DCI-NPC power amplifiers
Autor: Sala Caselles, Vicenç, Romeral Martínez, José Luis
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
This paper presents the most important sources of distortion in high power DCI-NPC amplifiers. These distortions sources are attributed to power supply perturbations due to the DC-Link midpoint voltage oscillations. It is presented a classic model fo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7412acfcf92381994fc8b93154084733
http://hdl.handle.net/2117/13704
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10
Active control based on an estimator for the bus-pumping cancellation in the half-bridge class-d audio power amplifiers
Autor: Sala Caselles, Vicenç|||0000-0001-5001-7431, Romeral Martínez, José Luis|||0000-0001-8112-8038
Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
In this paper is presented a new technique to avoid the distortion generated due to mid point voltage variations on DC-Bus of Class-D Half Bridge audio amplifiers. An usual distortion source on Class-D amplifier is the Bus-Pumping effect. Bus-Pumping
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::32ef046b1c669426fed308f1ac285afc
https://hdl.handle.net/2117/13705
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