solar electric charge controller portable power supply

Chapter 11: Solar Electric Power Supply with Batteries doc

Power Supply Units Guide.

... để tìm ra con số cần thiết ví dụ như: - http://www.jscustompcs.com /power_ supply/ - http://www.mymp3car.com/MP3Car/PSUpower.asp Trong thực thế, Khi đem một hệ thống thuộc dạng mạnh được ... liên tục: Mức năng lượng liên tục (Continuous Power) là chỉ số nêu lên khả năng cấp điện của nguồn mọi lúc trong khi năng lượng cực đại (Peak Power) lại chỉ mức tối đa trong khoảng thời gian ... suất khoảng 430w vào bộ nguồn có chỉ số Continuous Power là 400w, chúng vẫn có thể hoạt động được trong khoảng thời gian ngắn nếu mức Peak Power của nguồn đạt trên 430w nhưng sau một khoảng...

UPS (Uninterruptible Power Supply)

Danh mục: Kĩ thuật Viễn thông

... Nếu máy khởi động ở lần thử thứ hai và thứ ba thì ắt hẳn là do tín hiệu Power_ OK (hoặc Power_ Good). Khi có tín hiệu Power_ OK, mainboard sẽ hiểu rằng PSU đã ổn định, nếu không thì mainboard ... khởi động bằng cách chập hai chân của nút power switch trên mainboard bằng một chiếc tua-vít, chìa khóa hay bất cứ thứ gì có thể dẫn điện. Nếu công tắc power switch của bạn bị hỏng và bạn không ... Học1. Đôi nét về bộ nguồn máy tính. 1.1.Bộ nguồn máy tính là gì ?- Bộ nguồn máy tính (PSU -Power Supply Unit) là một thiết bị phần cứng ,nó chuyển đổi năng lượng (từ dòng xoay chiều dân dụng...

52
1,122
5

Tài liệu tiếng anh Điện tử công suất mạch MERS Power supply for pulsed magnets with magnetic energy recovery current switch

Danh mục: Tự động hóa

Electronics - Digital Control of Switching Power Supply

Danh mục: Cơ khí - Chế tạo máy

... Digital Control of Switching Power Supply - Power Factor Correction Stage Sangsun Kim and Dr. P. Enjeti Power Electronics and Power Quality Laboratory Department of Electrical Engineering Texas ... computation. B. 8-bit micro -controller implementation [7] To achieve further low cost implementation, in this article, ST micro -controller, ST52x420, is explored. The controller is designed for ... higher bandwidth and higher switching frequency for ac/dc power supply. References [1] Jigna Patel, "The Hottest Markets for External Power Supplies Now ans a Look at Potential Future Markets",...

Tài liệu Power Supply Block Diagram ppt

Danh mục: Hóa học - Dầu khí

... causing current to flow through C and D.Basic PushBasic Push Pull Power ConverterPull Power ConverterOperates as a class D power amplifier. Output rectifier converts the sq are a e to dc Each ... current.oIVAmVregulationLoadΔΔ=)/(LIgΔ)(V100ΔoLoVxIVregulationload100%ΔΔ=H. Chan; Mohawk College8Basic HalfBasic Half Bridge Power ConverterBridge Power ConverterEach transistor “sees” approx. Vin. Full flux reversal in the H. Chan; ... VR2= 0.7 V.R2 is typically chosen soR2 is typically chosen so that max. IR2 is 0.1 A. Power dissipation of Q1iP (V V )Iis P = (Vi- Vo)IL.Q2is for current limiting protection....

Tài liệu The Computer Case and Power Supply pptx

Danh mục: Quản trị mạng

... Power Supply Estimated time: 45 Minutes Objective In this lab, identify the type of computer case to be used, the form factor of the unit, and the voltage selector switch on the power supply. ... USB (Make sure it matches the connector on the Motherboard). Power Supply AT __________ ATX _________ Other _________ Power Supply Wattage _______ Step 2 Examine the screws that ... required for this exercise: • ESD wrist strap • Tool kit and screws • Computer case with power supply • Motherboard standoffs and screws • Motherboard & manual • Devices that will not...

Single phase uninterruptible power supply based on z source inverter

Danh mục: Tài liệu khác

... Uninterruptible Power Supply Based on Z-Source InverterZhi Jian Zhou, Xing Zhang, Po Xu, and Weixiang X. Shen, Member, IEEEAbstract—This paper presents a new topology of uninterrupt-ible power supply ... loops, shoot-through, uninterruptible power supply (UPS), Z-source inverter.I. INTRODUCTIONUNINTERRUPTIBLE power supplies (UPSs) are widelyused to supply critical loads, such as airline ... with the School of Electrical Engineering and Automation, HefeiUniversity of Technology, Hefei, Anhui, China (e-mail: honglf@ustc.edu.cn).P. Xu is with the Hefei Sungrow Power Supply Company,...

asg 2 electrical power supply

Danh mục: Điện - Điện tử

... or fused switches.A Fig. 2 Power supply functionsA Fig. 1 Electrical power supply architecture 2.4 Power supply functions2. Electrical power supply 62.4 Power supply functionsThere are ... distribution system. 2.4 Power supply functions2.5 Power supply to the control circuit2. Electrical power supply 7b Power unit supply The table (C Fig. 5) summarises the power units and functions ... Summary2. Electrical power supply 3123456789101112M2.1 Introduction Page2.2 Power supply to machinery Page2.3 Standards and conventions Page2.4 Power supply functions Page2.5 Power supply...

Your PC, Inside and Out: Chassis, Power supply and Motherboard

Danh mục: Phần cứng

... can see, a power supply is mostefficient at around 50% load; that is to say,this power supply is at its most efficient whenproviding 275W of power to components. Thevast majority of power supplies ... the more efficient the power supply is the less AC power it requires toprovide sufficient DC power, meaning loweroverall power consumption from the mainsand a smaller power bill. The earth ... very powerful computer,it’s usually advisable to go for a full towercase. These are usually much larger than astandard midi case, giving plenty of room for Power RatingThe power rating of a power...

switching power supply of autonics guides

Danh mục: Tài liệu khác

...

brown, m. (1990). practical switching power supply design

Danh mục: Điện - Điện tử

... major power supply parame- ters as a preliminary guide at the beginning of a switching power supply 4.3 Transformer-Isolated Switching Power Supply Topologies 29 As in all power supply ... Switching Power Supply former is improperly designed, it would adversely affect the supply op- eration and the reliability of the semiconductors. 3.4 Power Switches These are power transistors ... Transformer-Isolated Switching Power Supply Topologies 37 ing secondary rectifier conducts. So each power switch and rectifier op- erates at half the power supply operating frequency, but...

brown, m. (2001). power supply cookbook (2nd ed.)

Danh mục: Điện - Điện tử

... of the power components within the switching power supply design. This arrangement has a large bearing on which environment the supply can operate in safely and how much power the power supply ... environment in which the power supply must operate. This then formsthe basis of the design speciﬁcation of the power supply. 1.2 Power System OrganizationThe organization of the power system within ... conveniently measuring efﬁciency and power factor. This is needed for off-line power supplies.10 Role of the Power Supply within the System and Design Program Power Supply CookbookSecond EditionThe...

A digitally controlled switch mode power supply based on matrix converter

Danh mục: Điện - Điện tử

... Herresearch interests include ac/ac power converter,switch mode power supply, power quality, and power electronic applications.Han Ju Cha received the B.S. degree in electricalengineering from Seoul ... area of power electronics, motor drives, power quality, andclean power utility interface issues. His primary research interests are advanceconverters for power supplies and motor drives; power ... 1.5-kW laboratory prototype converter.II. PROPOSED SWITCH MODE POWER SUPPLY The proposed digitally controlled switch mode power supply based on matrix converter is shown in Fig. 2. Matrix convertertopology...