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switch on back of pc power supply

Electronics - Digital Control of Switching Power Supply

Electronics - Digital Control of Switching Power Supply

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 ... results. V. Conclusions Several implementation aspects of digital control of power factor correction (PFC) stage of SMPS have been explored with low cost digital controllers: TMS320C2407 ... environmental variations, and fewer part counts [2]. It also reduces the size of the power supply by containing the complexity of control system within the software. Therefore, since digital control...
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A digitally controlled switch mode power supply based on matrix converter

A digitally controlled switch mode power supply based on matrix converter

Điện - Điện tử

... kW of output power. (2:[5 A/div], 4: [125 V/div]). 124 IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 21, NO. 1, JANUARY 2006A Digitally Controlled Switch Mode Power Supply Based on Matrix ConverterSomnida ... efficiency.In response to these concerns, this paper proposes a digitallycontrolled switch mode power supply based on a matrix con-verter for telecommunication applications (Fig. 2). Matrix con-verter ... results on a three-phase 208-V, 1.5-kW laboratory prototype converter.II. PROPOSED SWITCH MODE POWER SUPPLY The proposed digitally controlled switch mode power supply based on matrix converter...
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Single phase uninterruptible power supply based on z source inverter

Single phase uninterruptible power supply based on z source inverter

Tài liệu khác

... total of nine switching states and theirvector representations, where the switching function Sx(x =1, 2, 3, or 4) is defined as 1 when switch Sxturns on and as0 when switch Sxturns off. ... UNINTERRUPTIBLE POWER SUPPLY BASED ON Z-SOURCE INVERTER 3001TABLE I VSTEPRESPONSE OF THEOUTERLOOPTABLE VSPECIFICATIONS OF A3-KWUPS WITH THEZ-SOURCEINVERTERthan the system switching ... proposed UPS offers the following advantages over thetraditional UPSs: 1) The dc/dc booster and the inverter havebeen combined into one single-stage power conversion; 2) thedistortion of the ac...
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Reliability analysis of a power system based on the multi state system theory

Reliability analysis of a power system based on the multi state system theory

Tài liệu khác

... PROBLEM FORMATION The power system is composed of eight identical batteries. A branch consists of two batteries connected in series, and the system consists of four branches connected in parallel ... College of Mechatronics Engineering and Automation National University of Defense Technology Changsha, 410073, China Abstract—Reliability analysis of power systems using the traditional ... Reliability Analysis of a Power System Based on the Multi-State System Theory Chunyang LI College of Mechatronics Engineering and Automation National University of Defense Technology Changsha,...
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Your PC, Inside and Out: Chassis, Power supply and Motherboard

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

Phần cứng

... PCIE connectors can also be powered using2 molex connectors if one isn’t available fromthe PSU itself, and molex to SATA power connectors are also quite common.SATA - This connector ... midi case, giving plenty of room for Power RatingThe power rating of a power supply is mostoften referred to as its wattage. You canusually tell the power rating of a PSU just bylooking ... particularly common on older power supplies, but as mentioned above it ispossible to get a converter cable. Indeed, most budget cases still use thisdesign, and for good reason – it’s aconventional,...
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switching power supply of autonics guides

switching power supply of autonics guides

Tài liệu khác

... tiếp và song song Chú ý khi sử dụngChú ý khi lắp đặtNgõ vào Ngõ ra Ngõ raNgõ vàoKết nối song song Kết nối nối tiếpBộ nguồn ổn áp không được sử dụng kết nối nối tiếp vàsong song trong bất ... nó với đầu nối khác thì mạchbên trong sẽ bị hư hỏng.Nó làm việc với 2000VAC giữa đầu nối và vỏ hộp trongmột phút, nhưng nó sẽ hư hỏng nếu quá áp được cấp trongvài phút.Bộ nguồn ổn áp có điện ... vàoSản phẩm này không có giá trị để hoạt động theo dạngđiện áp ngõ ra song song và nối tiếp.Dòng điện ngõ ra phải được sử dụng trong phạm vi dảitỷ lệ. Khi nó hoạt động ở trạng thái quá dòng, quãng...
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Tài liệu The impact of timely information on organisational performance in a supply chain

Tài liệu The impact of timely information on organisational performance in a supply chain

Anh văn thương mại

... Information Management,International Journal of Mobile Communications, International Journal of Electronic Healthcare andInternational Journal of Human Resources Management.R. Anthony Inman ... Professor of Management at Henderson State University. He haspublished papers in International Journal of Production Research, International Journal of HumanResource Management, Journal of ... Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UKProduction Planning & ControlPublication details, including instructions for authors and subscription information:http://www.informaworld.com/smpp/title~content=t713737146The...
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báo cáo hóa học:

báo cáo hóa học:" Effects of low power laser irradiation on bone healing in animals: a meta-analysis" pptx

Hóa học - Dầu khí

... increase of periosteum cells function [18],increase of osetoblast and osteocyte function [18,19],new vascularistion [21,22], stimulation of enchondralossification, earlier differentiat ion of mesenchymal ... allocation of treat ment; 4) any type of low level (power) laser irradia-tion was provided as an intervention to at least one of the treatment groups; 5) a quantitative measure of bonebiomechanics ... research defining the effects of low power laserirradiation on biomechanical indicators of bone regeneration and the impact of dosage.Methods: We searched five electronic databases (MEDLINE, EMBASE,...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article On Sum Rate and Power Consumption of Multi-User Distributed Antenna System with Circular " pdf

Báo cáo khoa học

... Proof of the convergence and derivation of the rate -power relationshipWe have shown that though antenna placement and user dis-tribution are performed in a random manner, distributions of distances ... model. Sum rate, power con-sumption, and their relationship are analyzed in Section 3.InSection 4, we show how to use the rate -power relationship forantenna deployment optimization and how much ... CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2007, Article ID 89780, 9 pagesdoi:10.1155/2007/89780Research Article On Sum Rate and Power Consumption of Multi-UserDistributed...
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Báo cáo y học:

Báo cáo y học: "Effects of Losartan on expression of connexins at the early stage of atherosclerosis in rabbits"

Y học thưởng thức

... remodeling of gap junction between ventricular myocytes under pa-thological conditions. Key words: vascular proliferation; gap junction; connexin; balloon angioplasty; statin Introduction Atherosclerosis ... with anti-Cx43 monoc-lonal antibody (Zymed Laboratories Inc, Carlsbad, CA) or anti-Cx40 monoclonal antibody (Alpha Diag-nostic International Inc, San Antonio, TX) at a dilution of 1:1000 in ... II on expression of gap junction channel protein connexin43 in neonatal rat ventricular myo-cytes. J Mol Cell Cardiol. 1998; 32: 800-7. 15. Polontchouk L, Ebelt B, Jackels M, Dhein S. Chronic...
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Power Supply Units Guide.

Power Supply Units Guide.

Phần cứng

... công suất trực tuyến 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 ... công 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 ... -13.2V 5. +3.3VDC ±5% +3.14V +3.47V 6. +5V SB ±5% +4.75V +5.25V 12. Chế độ Soft Power và tín hiệu chờ 5v: Soft Power là cách thức mà bộ nguồn máy tính được bật lên hoặc tắt đi. Thay vì sử...
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REVIEW OF THE FISHERIES SUPPLY CHAIN  IN VIET NAM

REVIEW OF THE FISHERIES SUPPLY CHAIN IN VIET NAM

Kinh tế - Thương mại

... negative impacts on the economic effectiveness of the fisheries production producers and consumers. The continuous research on innovation of the trading policies and production policies in ... traceability of the products; profits, prices and market are the most concern of these groups among supply chain. 3> Processing plants, exporters and consumers concern a lot on the quality of the ... emphasize on nature of supply chain, strengths and weakness of the chain as well as the recommendations for improvement of the chain by enhancing the collaboration/cooperation not only among small-scale...
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focuses on expressions of criticizing in American and Vietnamese e-newspapers in the light of Directness/Indirectness

focuses on expressions of criticizing in American and Vietnamese e-newspapers in the light of Directness/Indirectness

Khoa học xã hội

... considered as products of action, on the other hand as conditioning elements of further actions” (1952:181)Because the thesis focuses on the communication aspect of culture, the definition ... critical review of Concepts and Definitions”. One of these is:“Culture consists of pattern, explicit and implicit, of and for, behavior acquired and transmitted by symbols, constituting the distinctive ... or of a production in the fine art.5 2 Chapter 2: LITERATURE REVIEW2.1 Culture2.1.1 Definition of cultureCulture is one of the most complicated concepts to define. This is partly because of...
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UPS (Uninterruptible Power Supply)

UPS (Uninterruptible Power Supply)

Kĩ thuật Viễn thông

... Cách Test đơn giãn là dùng một điện trở tải (điện trở sứ trong các monitorCRT hay tivi) chừng vài chục ôm và vài chục W. Kẹp song song với que đođồng hồ khi đo.- Nếu mức sụt áp <= 5% là ... 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 có ... như “Wake on Modem”, “Wake on LAN”. Đó cũng là lý do bạn không nên làm việc với thùng máy khi chưa rút điện lưới AC cung cấp cho PSU. Dòng điện này còn cấp cho các khe cắm card PCI, do đó...
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