digital flyback switch mode charger resource diagram
A digitally controlled switch mode power supply based on matrix converter
Ngày tải lên :
13/05/2014, 00:55
... RATANAPANACHOTE et al.: DIGITALLY CONTROLLED SWITCH MODE POWER SUPPLY Fig Conventional telecommunication switch mode power supply [1] Fig 125 Proposed digitally controlled switch mode power supply ... adjacent the switching vectors, angle of space vector reference vector The duty cycles of the active switching vectors are calculated with rectifier mode modulation index, Fig Inverter mode switching ... converter switching function Thus, switching function of matrix converter switches can be realized as follows From (8)–(11), (13), and (14) we have B Inverter Mode of Operation The objective of this mode...
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Switch mode DC AC inverters
Ngày tải lên :
17/05/2015, 15:28
... Inverters 8-3 Switch- Mode DC-AC Inverter • Four quadrants of operation Copyright © 2003 by John Wiley & Sons, Inc Chapter Switch- Mode DCSinusoidal AC Inverters 8-4 One Leg of a Switch- Mode DC-AC ... AC Inverters 8-2 Switch- Mode DC-AC Inverter • Block diagram of a motor drive where the power flow can be bi-directional Copyright © 2003 by John Wiley & Sons, Inc Chapter Switch- Mode DCSinusoidal ... Switch- Mode DC-AC Inverter • Block diagram of a motor drive where the power flow is unidirectional Copyright © 2003 by John Wiley & Sons, Inc Chapter Switch- Mode DCSinusoidal...
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Switch mode power supply (SMPS) topologies 1
Ngày tải lên :
17/05/2015, 15:33
... of the flyback transformer CONTINUOUS CONDUCTION MODE The waveform shown in Figure 10 (D) represents Continuous Conduction mode operation of a flyback converter Continuous Conduction mode corresponds ... the switch at its transition period, thereby reducing the switching losses In a power MOSFET, zero voltage switching is preferred as compared to zero current switching Therefore, the operating switching ... frequency switching elements and the ground plane RTN Earth The major sources for common mode noise are: (A) Differential mode noise • High ΔV/Δt switching in the MOSFET • High-frequency switching...
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Switch mode power supply (SMPS) topologies 2
Ngày tải lên :
17/05/2015, 15:33
... OPERATING MODES Like the Buck Converter, the Boost Converter can also be operated in Continuous and Discontinuous modes The difference between the two modes is in the inductor current In Continuous mode ... = T SW EQUATION 31: T SW P Q1, switching, turnon = V DC I O, av, nom T At turn-off the switching loss can be calculated using Equation 32 EQUATION 32: P Q1, switching, turn – off = 1 = ∫ ... to not operate the system in Discontinuous mode The inductor is calculated just at the edge between Continuous and Discontinuous mode (i.e., Critical mode) , where the inductor current starts from...
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AN0701 switch mode battery eliminator based on a PIC16C72A
Ngày tải lên :
11/01/2016, 11:33
... postscaler interrupts DS00701A-page 1999 Microchip Technology Inc AN701 APPENDIX A: SWITCH MODE BUCK CONVERTER A switch mode buck converter performs a voltage reduction by periodically charging an inductor ... When driving transistors as digital switches, divide their hFE (small signal gain) by and use the resulting gain for your calculations This ensures that the transistor switches through its linear ... This energy transfer occurs with little loss FIGURE 4: Input SWITCH MODE BUCK CONVERTER TOPOLOGY D In both continuous and discontinuous modes, charging or discharging a filter capacitor at the converter...
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AN0786 driving power MOSFETs in high current, switch mode regulators
Ngày tải lên :
11/01/2016, 11:39
... Supply One common application that exploits the design benefits of dedicated MOSFET drivers is a switching power supply for portable systems, such as those found in notebook computer applications ... Efficiency is not as large a concern, since this supply is line-powered Power MOSFETs are desirable as switching elements in SMPS designs because of their low on-resistance and high current carrying ... Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, MXDEV, PICC, PICDEM, PICDEM.net, rfPIC, Select Mode and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A Serialized...
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Digital Switch Setting
Ngày tải lên :
09/11/2013, 05:15
... loại cảm biến Model Loại cảm biến ngõ vào Can nhiệt Can nhiệt Can nhiệt Dải tỷ lệ chuẩn Trường hợp, cảm biến loại R (PR), giá trò để hiển thò nhiệt độ điều khiển xác Thông số kỹ thuật Model Nguồn ... Tỷ lệ chân cắm Ấn chốt cắm theo hướng cạy lên theo hướng tháo Đầu nối ngõ tiếp điểm Relay Chú ý model có công suất tiếp điểm relay khác Khi công suất tải cao, dùng thêm relay phụ có công suất...
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Cửa sổ Network Diagram & Resource Graphic docx
Ngày tải lên :
02/04/2014, 19:20
... chỉnh lại cho phù hợp với dự án Cửa Sổ Resource Graphic C1: View \Resource Graph C2: Biểu tượng Resource Graph View Bar Cửa Sổ Resource Graphic Cửa Sổ Resource Graphic Lưu ý: Tài nguyên tải ... Network Diagram C1: Menu View \Network Diagram C2: Biểu tượng Network Diagram View Bar Cửa Sổ Network Diagram Các kiểu kí hiệu cơng tác Trong sơ đồ mạng (Network Diagram) kiểu cơng tác thể hiện, ... Style Cửa Sổ Network Diagram Menu Format \Box Style Cửa Sổ Network Diagram Style Settings For: kiểu hộp cơng tác Preview: hình vẽ minh hoạ cho hộp công tác Cửa Sổ Network Diagram Set Highlight...
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![digital painting fundamentals with corel painter 12 [electronic resource]](https://media.store123doc.com/images/document/14/y/mr/medium_JRG2PAGp1T.jpg)
digital painting fundamentals with corel painter 12 [electronic resource]
Ngày tải lên :
29/05/2014, 15:43
... Industrial Center Building (ICB), where she works in both digital and “messy” media She uses a MacBook Pro and Wacom tablet in live sessions with a nude model, where she specializes in quick gesture drawings ... 209 ix Digital Painting Fundamentals with Corel Painter 12 Take Two Tablets and Call Me in the Morning 211 Use a Shortcut 214 Get Off My Intellectual Property! .215 Resources ... hard drive or on CDs xi Digital Painting Fundamentals with Corel Painter 12 A Little History Unleashed in the early ‘90s, Painter brought forth a new era for pixel-based digital graphics Painter...
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![xbox 360 forensics [electronic resource] a digital forensics guide to examining artifacts](https://media.store123doc.com/images/document/14/y/ue/medium_uex1401476768.jpg)
xbox 360 forensics [electronic resource] a digital forensics guide to examining artifacts
Ngày tải lên :
31/05/2014, 02:06
... for a time and has reemerged as a retail option The next retail model was the Pro or Premium model Initially included with this model was a detachable 20GB hard drive that was housed in its own ... searched just as any other piece of digital evidence would be, considering the best practices for the seizure of media Tip For all intents and purposes, a modern gaming console is a computer; ... provide the digital media analyst the needed information to understand why these gaming consoles can prove to be of interest as well as the need to understand the location of the digital artifacts,...
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TB-SYMKEYS 2 User library with flow diagram symbols and switch elements for GT and GN touch terminals pot
Ngày tải lên :
27/06/2014, 21:20
... www.panasonic-electric-works.com Complex symbols with 7-bit control for the GN-Series: Valve no limit switch limit switch closed limit switch open 2#0 2#1 / 1d 2#10 / 2d Index Index 2#10000 / 16d 2#10001 / 17d 2#10010 ... Index 2#1000000 / 64d 2#1000001 / 65d 2#1000010 / 66d Valve no limit switch limit switch closed limit switch open 2#0 2#1 / 1d 2#10 / 2d ->-> 2#100 / 4d ->-> 2#1000 / 8d 2#10000 / 16d ... Index 2#1000000 / 64d 2#1000001 / 65d 2#1000010 / 66d Damper no limit switch limit switch closed limit switch open closing opening 2#0 2#1 / 1d 2#10 / 2d ->-> 2#100 / 4d ->-> 2#1000...
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A soft switch back to back bi directional DC DC converter and the FPGA based digital control design
Ngày tải lên :
12/09/2015, 08:20
... step-up mode operation: (a) Pspice circuit simulation; (b) Matlab average model simulation Bode diagram of the open loop system in step-up mode Bode diagram of the digital ... step-down mode operation: (a) Pspice circuit simulation; (b) Matlab average model simulation 157 5.8 Simplified circuit model of the step-down mode operation 159 5.9 Bode diagram ... Interlock Delay Time 5.3.8 Large Signal Average Model and Small Signal Model Derivation 5.3.9 Digital Controller Design Digital Controller Implementation ...
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A hybrit heuristic algorithm for mode identity and the resource constrained
Ngày tải lên :
07/10/2016, 03:38
... types of renewable resources, where each resource type k ∈ K has a total availability (capacity) Rk at each time interval of the scheduling period, i.e., the sum of the amount of resource type k ... Inequalities (4) represent resource constraints: In any period, the amount of resources used by all running activities must not exceed the availability of each corresponding resource Expressions (5) ... Efficient Hybrid Algorithm for Resource- Constrained Project Scheduling Information Sciences, 180(6) March, pp 1031–1039 Coelho, J and Vanhoucke, M (2011) Multi -mode Resource- Constrained Project...
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DSpace at VNU: A novel Li-ion battery charger using multi-mode LDO configuration based on 350 nm HV-CMOS
Ngày tải lên :
16/12/2017, 11:12
... of battery charger separated into a load current, b battery voltage, c power mode and d I-V mode equivalent model Li-ion battery model, the transient simulation of multimode battery charger is ... MOSFETs Thus, multi -mode LDO is integrated in battery charger in order to transit the CC-CV charging mode through MOSFET switches The transition modes are controlled by controller to switch simultaneously ... current mode and constant current mode, respectively Simultaneously, this variation is about 4.7 ppm for constant voltage mode compared to conventional structures The proposed multi -mode battery charger...
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Human resource management
Ngày tải lên :
21/08/2012, 17:42
... major models of the HRM process 2/2 Edinburgh Business School Human Resource Management Module / Models of Human Resource Management 2.2 2.2.1 Matching Models Fombrun, Tichy and Devanna’s Model ... Human Resource Management Edinburgh Business School 2/11 Module / Models of Human Resource Management 2.4 Summary HRM models can be classified as either matching models or Harvard-type models ... known as the Harvard model Both of these models originated in the USA, although as we shall see Human Resource Management Edinburgh Business School 2/1 Module / Models of Human Resource Management...
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Strategic human resource management
Ngày tải lên :
21/08/2012, 17:43
... Contents Preface ix PART THE FRAMEWORK OF STRATEGIC HUMAN RESOURCE MANAGEMENT Human resource management Human resource management defined 3; Models of HRM 4; Aims of HRM 6; Characteristics of HRM ... framework of strategic human resource management Human resource management In this chapter, the concept of human resource management (HRM) is defined initially and the various models of HRM are described ... operationalized as: strategic objectives Resource- based strategy The resource- based view of strategy is that the strategic capability of a firm depends on its resource capability Resource- based strategy theorists...
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Photoshop Cs5 Digital classroom split
Ngày tải lên :
27/08/2012, 09:58
... applied to Bitmap mode or indexed color images Note that some filters, such as Brush Strokes and Sketch, work only in the RGB mode and are not available when working in the CMYK mode Starting to ... CS5 Digital Classroom 11 Taking advantage of Smart Filters With the Gradient tool selected, review the settings in the Options bar to make sure that Linear gradient is selected, the Blending mode ... mask is active 316 Adobe Photoshop CS5 Digital Classroom The filter is not applied in those regions 11 Using the Vanishing Point filter 15 Press X to switch to white as a foreground color Paint...
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