A digitally controlled switch mode power supply based on matrix converter
A digitally controlled switch mode power supply based on matrix converter
... IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 21, NO. 1, JANUARY 2006 A Digitally Controlled Switch Mode Power Supply Based on Matrix Converter Somnida Ratanapanachote, Han Ju Cha, and Prasad N. ... power supply based on matrix converter. Fig. 3. Figure of three-phase to one-phase matrix converter. Fig. 4. Illustration of matrix converter operation...
Ngày tải lên: 13/05/2014, 00:55
Single phase uninterruptible power supply based on z source inverter
... Univer- sity Malaysia, Bandar Sunway 46150, Malaysia (e-mail: shen.wei.xiang@ eng.monash.edu.my). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital ... low harmonics, fast response, and good steady-state performance in comparison with traditional UPSs. The simulation and experimental results of a 3-kW UPS with the new topol...
Ngày tải lên: 03/01/2014, 19:12
Reliability analysis of a power system based on the multi state system theory
... Reliability Analysis of a Power System Based on the Multi-State System Theory Chunyang LI College of Mechatronics Engineering and Automation National University of Defense Technology Changsha, ... defines the power system and the batteries are b inary, but they are all multi-state actually. The performance of the batteries can degrade, which results in performance degradatio...
Ngày tải lên: 03/01/2014, 19:38
Reliability analysis of power system based on generalized stochastic petri nets
... Reliability Analysis of Power System based on Generalized Stochastic Petri Nets Juliano S. A. Carneiro, Luca Ferrarini Dipartimento di Elettronica e Informazione Politecnico di Milano Piazza Leonardo ... from upstream places and add them to downstream places. In short, a transition t k has concession if and only if (i) each input place contains a number of tokens greater or equal t...
Ngày tải lên: 03/01/2014, 19:35
Báo cáo khoa học: "Towards a Semantic Classification of Spanish Verbs Based on Subcategorisation Information" doc
... grammatical function of the constituents, we have to take into account that the extraction is an approximation. There are various phenomena that can lead us to an erroneous extraction of the constituents. ... measure are the 3-way and 15-way classifica- tions. The baseline is calculated, for each task, as the average value of the Adjusted Rand measure for 100 random cluster assignations. Altho...
Ngày tải lên: 08/03/2014, 04:22
Pfam: A Comprehensive Database of Protein Domain Families Based on Seed Alignments pptx
... kazal, Fibronectin type III, and response regulator receiver domains.Pfam-Afamilieshave perma- nent accession numbers and form a library of HMMs available for searching and automatic annotation ... family -based classification system.Couldacombinationofmanual and automatic approaches be a solution? The ques- tion here is really how much manual work has to be done to achieve a comprehens...
Ngày tải lên: 16/03/2014, 16:20
Báo cáo khoa học: "A spoken dialogue interface for TV operations based on data collected by using WOZ method" pptx
... have set out to build an interface system that could operate a television via spoken dialogue in place of manual operations. 2 Collecting dialogue data for TV opera- tions Assuming that a ... revealed that many subjects had trouble accessing hierarchically arranged data. This finding revealed the need for an easy means of accessing desired programs. One such means is a spoken na...
Ngày tải lên: 31/03/2014, 03:20
Analysis on the Optimal Dispatching of Mixed-pump Stations and the Operating-mode Adaptability Based on Safety Water Supply
... two-stage optimal operation. OPTIMAL OPERATION MODEL OF MIXED-PUMP STATIONS WITH OPERATION -MODE ADAPTABILITY The First Optimization Model with Operation -mode Adaptability The outlet flow and ... constrains were added into the optimization model to satisfy the actual demand. In China, the pump status and ratios of the variable speed pumps have been taken as decision variables fo...
Ngày tải lên: 05/09/2013, 09:38
Tài liệu tiếng anh Điện tử công suất mạch MERS A new AC current switch called MERS with low on state voltage IGBTs for renewable energy and power saving applications
... application and a variable frequency induction heating application. It is shown that the losses in the wind power application can be reduced significantly when applying the MERS configuration and ... load condition is changed dynamically or under no load condition. By using the MERS as an ac power supply to induction heating, the frequency can be controlled. This new feature adds anoth...
Ngày tải lên: 15/10/2013, 16:10
Tài liệu tiếng anh Điện tử công suất mạch MERS Power supply for pulsed magnets with magnetic energy recovery current switch
... currents are realizable only with a low voltage power source to a load with inductance. The function of this switch is equal to a serial capacitor for power factor correc- tion. The advantage of ... TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 14, NO. 2, JUNE 2004 Power Supply for Pulsed Magnets With Magnetic Energy Recovery Current Switch Taku Takaku, Takanori Isobe, J...
Ngày tải lên: 15/10/2013, 16:11