A new modular voltage source inverter topology

A new modular voltage source inverter topology

A new modular voltage source inverter topology

. a realization with 2-level voltage sources leads to the simplest realization (Fig. 2). A realization with 3-level voltage sources leads to a generalized. MOS-gated and snubberless devices. The points 5 and 6 are clear advantages of the new system, because the absence of heavy high voltage bus bars and additional
Ngày tải lên : 15/10/2013, 16:23
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Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

. can be calculated to maintain rated voltage under load varying conditions. Fig.2 shows load characteristic curve for a range of fixed capacitor sizes at. (pu) Voltage (pu) Voltage δ Output power Fig. 12. Steady state voltage characteristic per unit calculation, which base voltage is 200V, base current is 6.8A
Ngày tải lên : 15/10/2013, 16:10
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Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc

Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc

. backpropagation-type ANN which has high computational capability can implement an SVM algorithm. Note that the ANN has inherent learning capability that can. undermodulation region is reached when the modu- lation factor where ( command or reference voltage magnitude and peak value of phase fundamental voltage at square-wave
Ngày tải lên : 22/12/2013, 08:16
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Control and implementation of a new modular matrix converter

Control and implementation of a new modular matrix converter

... SIDE -Vcap+ Phase A Phase B Phase C Phase a Phase b Phase c V ab = Vcap V bc = 0V V ca = -Vcap V AB = -Vcap V BC = 0V V CA = Vcap -Vcap+ Phase A Phase B Phase C Phase a Phase b Phase c V ab ... = Vcap V CA = 0V Phase A Phase B Phase C Phase a Phase b Phase c -Vcap+ V AB = 0V V ab = Vcap V bc = 0V V ca = -Vcap V BC = 0V Branch Aa V CA = 0V Phase A Phase B Phase C Ph...
Ngày tải lên : 13/05/2014, 00:55
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A New Technique Using Headspace Gas Monitoring to Determine Carbon Source Addition in a BNR Process

A New Technique Using Headspace Gas Monitoring to Determine Carbon Source Addition in a BNR Process

... supernatant and NaAc addition. Observed CO 2 evolution rates were similar in both cases, and the TAD supernatant VFA estimations are shown in Table 2. Estimations showed a substantial overestimation, ... BNR enhancement, as the sodium acetate addition cases. A higher P/VFAs molar ratio, observed in TAD addition case, suggested there were other potential carbon substrate available for P re...
Ngày tải lên : 05/09/2013, 08:40
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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

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

. 390-0821, Japan ‡ Curamik Electronics KK, Assorti Takanawa, 3-4-13 Takanawa, Minato-ku, Tokyo 108-0074, Japan § Norwegian University of Science and Technology,. controlled and increased. Several technologies already exist; however, MERS has advantages such as large operating range, simple control as well as good characteristics
Ngày tải lên : 15/10/2013, 16:10
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Current control techniques for three phase voltage source PWM converters  a survey

Current control techniques for three phase voltage source PWM converters a survey

. Dynamics of AC Drives. Oxford, U.K.: Clarendon, 1996. [18] S. Ogasawara, H. Akagi, and A. Nabae, A novel PWM scheme of voltage inverter based on space vector. van der Broeck, H. Ch. Skudelny, and G. Stanke, “Analysis and realization of a pulse width modulator based on voltage space vectors,” IEEE Trans. Ind. Applicat.,
Ngày tải lên : 03/01/2014, 19:45
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Tài liệu Báo cáo " A new natural source of Camphor from Cinnamomum longepetiolatum Costerm. apud Phamh. in Vietnam " doc

Tài liệu Báo cáo " A new natural source of Camphor from Cinnamomum longepetiolatum Costerm. apud Phamh. in Vietnam " doc

... Cinnamomum Phoebe and other genera was very valuable. The bark of Cinnamomum cassia and the root of Lindera aggregata were the famous drug in traditional medicine. The fruit of Persea americana ... study shows that Cinnamomum longepetiolatum Costerm. apud Phamh. was a new natural source of camphor in Vietnam. Keywords: Cinnamomum longepetiolatum, Lauraceae, Essential oil, camphor....
Ngày tải lên : 12/02/2014, 17:20
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Báo cáo khoa học: "A Modular Open-Source System for Recognizing Textual Entailment" pot

Báo cáo khoa học: "A Modular Open-Source System for Recognizing Textual Entailment" pot

... Department Bar-Ilan University Ramat-Gan 52900, Israel dagan@cs.biu.ac.il Abstract This paper introduces BIUTEE 1 , an open- source system for recognizing textual entail- ment. Its main advantages are its ability ... encourage researchers to create and share their textual-inference components. A good example from another research area is the Moses system for Statistical Machine Transla- t...
Ngày tải lên : 07/03/2014, 18:20
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