Space vector pulse width modulation for multilevel inverters and solution to modulation dependent problems
Space vector pulse width modulation for multilevel inverters and solution to modulation dependent problems
... switching vectors can be divided into four types of vectors; zero vector V0 , short vectors VSi , medium vectors VM i and large vectors VLi , where i = 1→6 The zero vector and large vector not ... Summary The Space vector PWM (SVPWM) is a prominent modulation technique for multilevel inverters similar to two-level inverters However, due to complex geometry of the...
Ngày tải lên: 14/09/2015, 08:37
Điện tử công suât mạch MMC Control and experiment of pulse width modulated modular multilevel converters
... Proportional gain of averaging control Integral gain of averaging control Proportional gain of current control Integral gain of current control Proportional gain of balancing control K1 K2 K3 ... divided into 1) averaging control, and 2) balancing control Voltage command of each arm: (a) Positive arm, and (b) Negative B Balancing Control The use of the balanci...
Ngày tải lên: 15/10/2013, 16:24
nghiên cứu kỹ thuật điều chế độ rộng xung PWM (Pulse Width Modulation) cho bộ nghịch lưu đa bậc ghép tầng (Cascade inverter)
... Chương ĐIỀU KHIỂN BỘ NGHỊCH LƯU ÁP ĐA BẬC DẠNG CASCADE – PHƯƠNG PHÁP ĐIỀU CHẾ ĐỘ RỘNG XUNG (Carrier based PWM) Các nghịch lưu áp thường điều khiển dựa theo kỹ thuật điều chế độ rộng xung – PWM (Pulse ... Tóm tắt luận văn Luận văn thực nhiệm vụ nghiên cứu kỹ thuật điều chế độ rộng xung - PWM (Pulse Width Modulation) cho nghịch lưu...
Ngày tải lên: 08/07/2015, 21:27
Tài liệu Laser-Optimized Fiber: Built for Price, Bandwidth, and Distance to Make the Most of Your Investment doc
... 10 Gbps 850 nm Laser Laser-Optimized Fiber: Built for Price, Bandwidth, and Distance to Make the Most of Your Investment Unfortunately, the use of VCSELs can cause differential mode ... to travel at similar speeds thus increasing Page Laser-Optimized Fiber: Built for Price, Bandwidth, and Distance to Make the Most of Your Inve...
Ngày tải lên: 24/01/2014, 11:20
Tài liệu A junk‐free childhood: Responsible standards for marketing foods and beverages to children doc
... StanMark Standards for marketing to children The StanMark project brings together researchers and policy‐makers to develop a set of standards for marketing foods and beverages consistent with the resolution of the World Health Assembly. ... 3. Proposed standards Standard 1: Specifying the foods and beverages Standard 2: Age groups Standard 3...
Ngày tải lên: 18/02/2014, 02:20
Tài liệu A junk-free childhood 2012 - The 2012 report of the StanMark project on standards for marketing food and beverages to children in Europe pptx
... StanMark Standards for marketing to children The StanMark project brings together researchers and policy-makers to develop a set of standards for marketing foods and beverages consistent ... Gritschneder Y An analysis of the regulatory and voluntary landscape concerning the marketing and promotion of foods and drinks to children National...
Ngày tải lên: 18/02/2014, 21:20
PROFESSOR TRIM’S QUICK START THE WEIGHT-LOSS PROGRAM for new mothers and mothers-to-be pdf
... Research New Mothers 15/5/03 11:24 AM Page vii INTRODUCTION: How to use Professor Trim’s Quick Start Weight-loss Program for New Mothers and Mothers- to-be The Professor Trim’s (PT) Quick Start program ... 11:24 AM Page iii PROFESSOR TRIM’S THE QUICK START WEIGHT-LOSS PROGRAM for new mothers and mothers- to-be Dr Katherine Samaris MB...
Ngày tải lên: 15/03/2014, 04:20
Toward an Interactive Method for DMEA-II and Application to the Spam-Email Detection System
... wish to impose their preference on the results This is the case where we can use our proposed method To apply the proposed interactive method to the DMEA-II for the Spam Email Detection System ... of the DM in the solution process, In an interactive method, the intermediate search results are presented to the DM to investigate; then the DM can...
Ngày tải lên: 13/08/2015, 10:00
convex integration for lipschitz mappings and counterexamples to regularity
... quasi-convexity of f is necessary and sufficient for the functional I to be CONVEX INTEGRATION FOR LIPSCHITZ MAPPINGS 717 lower-semicontinuous with respect to the uniform convergence of uniformly Lipschitz ... sverak@math.umn.edu CONVEX INTEGRATION FOR LIPSCHITZ MAPPINGS 741 References [AF 87] E Acerbi and N Fusco, A regularity theorem for minimizers of quasi...
Ngày tải lên: 25/12/2015, 17:16
Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc
... signals are compared with the output of a single UP/DOWN counter and processed through a logic block to generate the PWM outputs for for for for for (5) for for for for for for for for for for ... -phase P states and performed with the and signals only Similar operations are signals of all the phases and all the The drive performance was evaluated in detail by simulati...
Ngày tải lên: 22/12/2013, 08:16
Space vector PWM method for ultra sparse matrix converter using FPGA XC3S500E
... cắt 10KHz Những kết mô Ultra Sparse Matrix Converter trình bày Hình Hình Kết mô Ultra Sparse Matrix converter V KẾT QUẢ THỰC NGHIỆM Sơ đồ điều kh iển FPGA cho Ultra Sparse Matrix trình bày Hình ... điều khiển Ultra Sparse Matrix Hình Mô hỉnh thực phần cứng Ultra Sparse Matrix Card FPGA XC3S500E Spartan-3E Xilin x sử dụng để thực giải thuật điều chế ve...
Ngày tải lên: 14/05/2014, 22:39
Báo cáo hóa học: " Research Article Pulse Interval Modulation for Ultra-High Speed IR-UWB Communications Systems" pdf
... “Digital pulse interval modulation for optical communications, ” IEEE Communications Magazine, vol 36, no 12, pp 95–99, 1998 [13] T Svedek and S Rupcic, “Anisochronous modulation methods for optical ... and R Kohno, “Combined pulse shape and pulse position modulation for high data rate transmissions in ultra-wideband communications, ” International Journal of Wireless...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Differential Amplitude Pulse-Position Modulation for Indoor Wireless Optical Communications" pot
... novel hybrid modulation technique called differential amplitude pulse-position modulation (DAPPM) is proposed DAPPM is a combination of pulse -amplitude modulation (PAM) and DPPM The performance is ... 11 (3) (4) DIFFERENTIAL AMPLITUDE PULSE-POSITION MODULATION DAPPM is a combination of PAM and DPPM Therefore the symbol length and pulse amplitude are varied according to th...
Ngày tải lên: 23/06/2014, 00:20
PULSE CODE MODULATION
... paramters of the quantizer encode and the decode blocks The triger signal is provided using a pulse generator figure 8A (f) Block Parameters Enabled quantizer encode Similarly the block parameters ... quantization decode is shown below figure 8A (g) Block Parameters Enabled quantizer decode The digital output signal is as shown below figure 8A (h) Block Parameters Enabled quantizer decode T...
Ngày tải lên: 27/10/2013, 22:15