... Temperature Rise Chapter Power Transformer Design Chapter DC Inductor Design Using Gapped Cores Chapter DC Inductor Design Using Powder Cores Chapter 10 AC Inductor Design Chapter 11 Constant Voltage ... principle used in induction heating Gapped, dc Inductor Design The fringing flux factor, F, has an impact on the basic inductor design equations When the engineer starts a design, he or she must determine ... Three-Phase Transformer Design Chapter 13 Flyback Converter, Transformer Design Chapter 14 Forward Converter, Transformer Design, and Output Inductor Design Chapter 15 Input Filter Design Copyright...
Ngày tải lên: 22/04/2014, 16:52
... Scheme Design Considerations Regulatory Control System Design Regulatory Comparator Design Considerations Regulatory Current-Starved Ring Oscillator Design Regulatory Regenerative Comparator Design ... Startup Control Circuitries Design Considerations Proposed Design for Startup Control System Adaptive Start-Up On-Time Generator Design Current-Starved Start-Up Ring Oscillator Design Startup Adaptive ... Control System Design Considerations Anti-Backflow Current Control System Design Anti-Backflow Current Control Comparator Design Anti-Backflow Current Control On-Time Generator Design Anti-Backflow...
Ngày tải lên: 04/10/2015, 15:44
DC bus control of variable speed wind turbine using a buck boost converter
... continuous [13] Pt = 3VI = V dc I dc (3) Where, Vdc, Idc are DC side voltage and current, respectively The mean value of DC voltage is shown like the following V dc = π ∫ π − π V L L m ax cos ... connected to a DC battery bank via a rectifier The DC/ DC converter is connected with rectifier circuits like fig.3 It is assumed that the power generated from the generator is converted into DC power ... relationship between Vdc, and line to line voltage VLL and phase voltage V, is shown as following, V dc = V dc = π π 2V L L (6) 6V (7) From (3) and (7), the equation of Idc and I, concisely expressed...
Ngày tải lên: 03/01/2014, 19:15
Research on a novel buck boost converter for wind turbine systems
... transferred from dc source to ac grid through L1, L2 and C by the alternations of Mode and Mode In summary, during each switching interval, the energy-storage inductor is charged from a dc source (i.e ... of the switches, diodes, and coupled inductors are negligible; two coupled inductors are perfectly coupled; the inverter works in discontinue current mode (DCM); the averaged current of Mode is ... reasonable power quality from a widely variable dc source Fig 13 Output current waveform when the dc voltage is 100V Fig 14 Output current waveform when the dc voltage is 200V Fig 11 Gating signals...
Ngày tải lên: 03/01/2014, 19:16
nghiên cứu và thiết kế bộ biến đổi buck-boost pfc
... lớn 1.4.2 Phương pháp Active PFC Cấu trúc phương pháp Active PFC thêm khâu DC/ DC vào cầu chỉnh lưu tụ lọc đầu Bộ DC/ DC chuyển mạch với tần số cao nhiều tần số lưới với điều khiển phù hợp [6] ... truyền theo chiều - Đáp ứng tiêu chuẩn IEC 1000-3-2 1.5.1 Lựa chọn cấu hình khâu DC/ DC PFC Có nhiều cấu hình DC/ DC sử dụng PFC tùy theo yêu cầu tải [7] Với yêu cầu toán nêu trên, số cấu trúc PFC ... PFC 12 1.5 Phân tích lựa chọn cấu trúc PFC 13 1.5.1 Lựa chọn cấu hình khâu DC/ DC PFC 13 1.5.2 Lựa chọn phương pháp điều khiển cho PFC 18 Chương PHÂN TÍCH NGUYÊN...
Ngày tải lên: 22/06/2014, 23:20
Dynamic performance improvement in boost and buck boost derived power electronic converters
... by them The broad classification is as below Dc- dc converters Ac -dc converters Dc- ac converters Ac-ac converters Chapter Introduction In the past, dc- dc converters, popularly known as ‘choppers’ ... converters and their derivatives are used in dcdc switch-mode power supplies and in single-phase ac -dc power factor correction (PFC) applications In dc- dc applications, the small-signal dynamic ... Selection of Output Capacitor C 171 7.4.5 Step 5: Design of Controllers 173 A Design of Current Controller K2(s) for DDMC 173 B 7.5 Design Example Design of Df Controller K3(s) for IDMC 173 Results...
Ngày tải lên: 16/09/2015, 15:54
Thiết kế cấu trúc điều khiển bộ biến đổi buck boost
... Môhìnhtrungbìnhmôtảbộbiếnđổi Buck-Boost vớihếsốđiềuchếlàd : Tạiđiểm việccânbằng ta có : Môhìnhtínhiệunhỏcủabộbiếnđổi DC/ DC : Ta có Tínhtoáncácgiátrịđãcho : Ta có : II Tínhtoánchọn van Dòngtải : Thiết kế cấu trúc...
Ngày tải lên: 10/04/2016, 23:46
Boost Your Marketing ROI with Experimental Design
... marketing efforts will pay off Boost Your Marketing ROI with Experimental Design 159 The Origins of Experimental Design EXPERIMENTAL DESIGN METHODOLOGIES —some dating as far back as the nineteenth century—have ... A New Marketing Science The science of experimental design lets people project the impact of many stimuli by testing just a few of them By using mathematical formulas to select and test a subset ... In other words, experimental design reveals whether variables caused a certain behavior as opposed to simply being correlated with the behavior While experimental design itself isn’t new, few...
Ngày tải lên: 24/10/2013, 08:20
AN0804 design alternatives to the TC682 for performing inverting voltage doubler functions
... IMPLEMENTATION Figure shows a two-chip inverting doubler solution using Microchip’s TCM828 Like the TC682 example, a regulating DC/ DC boost converter is needed to provide the +5V regulated input ... inverter solution using Microchip’s TC1142-5.0 and TCM828 The most important difference of this implementation, when compared to the previous solutions, is that the regulating DC/ DC boost converter ... any positive DC bias ranging from 2.5V to 5.5V This feature allows the TC1142-5.0 to connect directly to the single-cell Li-Ion battery without the need for a regulating +5V DC/ DC converter The...
Ngày tải lên: 11/01/2016, 14:26
AN1311 single cell input boost converter design
... stabilizing the DC- DC converter straight forward while using the standard 4.7 µH inductor and 10 µF output capacitor Under limited output current and input voltage range, the inductor and capacitor ... IN TS FIGURE 6: Discontinuous Inductor Current Waveforms For DC- DC converter analysis, the output energy is equal to the input energy, assuming efficiency is 100% Using this relationship, the ... practice this assumption is normally valid for DC- DC converters However, in many boost converters, the DC current flows from input to output through an inductor L1 and a diode And, in typical applications,...
Ngày tải lên: 11/01/2016, 16:55
EMBEDDED LINUX SYSTEM DESIGN AND DEVELOPMENT.pdf
... Transmeta Corporation Ⅲ Broadcom is a registered trademark of Broadcom Corporation and/or its subsidiaries Ⅲ SuSE is a registered trademark of SuSE AG vi Embedded Linux System Design and Development ... paper 10 International Standard Book Number-10: 0-8493-4058-6 (Hardcover) International Standard Book Number-13: 978-0-8493-4058-1 (Hardcover) Library of Congress Card Number 2005048179 This book ... EMBEDDED LINUX SYSTEM DESIGN AND DEVELOPMENT EMBEDDED LINUX SYSTEM DESIGN AND Y DEVELOPMENT L F M A E T P Raghavan • Amol Lad • Sriram Neelakandan...
Ngày tải lên: 04/08/2012, 14:23
CMP book embedded systems design
... The Embedded Design Life Cycle Unlike the design of a software application on a standard platform, the design of an embedded system implies that both software and hardware are being designed in ... economics and reality of a design requirement often force decisions to be made before designers can consider the best design trade-offs for the next project In fact, designers use the term “clean ... the designer’s choices Now, at least for mass-market products, it might make sense to consider a system-on-a-chip (SOC) implementation, either using a standard part or using a semi-custom design...
Ngày tải lên: 16/08/2012, 09:40
Implementing an 8 bit Processor based Design in an FPGA
... the design that are not being used 12 Annotate the design using the Tools » Annotate Schematics Quietly command The Confirm Designator Changes dialog displays the following message: “There are designators ... Altium Designer SP4 12-Dec-2005 1.3 Path references updated for Altium Designer 02-Nov-2007 2.0 Document renamed and updated for Altium Designer 6.8 04-Mar-2008 3.0 Updated for Altium Designer ... Implementing an 8-bit Processor-based Design in an FPGA Configuring the Design to an FPGA Device Now we need to specify which FPGA device we want to use in our design, e.g the Altera Cyclone EP1C12Q240C6...
Ngày tải lên: 17/08/2012, 09:12
Bao cao - Design Patterns.pdf
... phần mềm.Có thể gặp design pattern đâu đó, ứng dụng, sử dụng mẫu tương tự design pattern để giải tình mình, khái niệm cả.Trong nội dung đồ án môn học xin trình bày hiểu biết design pattern theo ... dụng design pattern thực tế phân tích thiết kế phần mềm hướng đối tượng Ứng dụng design pattern thực tế phân tích thiết kế phần mềm hướng đối tượng lớn Hầu đâu có phần mềm hướng đối tượng có design ... .52 E Xây dựng ứng dụng Chess sử dụng Design pattern 53 F Tài liệu tham khảo 53 I Sách 53 II Địa website 53 Lời nói đầu Design pattern kỹ thuật dành cho lập trình...
Ngày tải lên: 24/08/2012, 13:53
Brand Identity System Design
... u n Quý v , nh ng ngư i yêu thích am mê xây d ng phát tri n thương hi u Brand Identity System | Design Brand Brand Identity System | Tiêu chu n BMG B tài li u BrainMark...
Ngày tải lên: 27/08/2012, 09:00
Graphic Design Business Book
... oversee the work steps, lead design, and manage some administrative and communication tasks In smaller studios, senior designers may fill this role Senior designers and designers in large studios, ... “Graphic Design and the Law.” Chapter 17 covers ways in which the designer can protect and benefit from copyrights Taxes, including potential tax breaks, are examined in chapter 18 Anyone using ... photographer who asserted that the designer had made an unauthorized use of a photograph It seems that a new young design assistant found the image in the design firm’s collection of stock catalogs...
Ngày tải lên: 27/08/2012, 09:39
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