lh or rh power supply and ground circuit check with front and rear p
Your PC, Inside and Out: Chassis, Power supply and Motherboard
Ngày tải lên :
19/03/2014, 20:35
... shopping for power supplies you may notice that there are a lot of unbranded power supplies which offer much higher capacities for much lower prices than you’ll find any reputed brand for On paper ... the power supply isn’t actually going to supply 600W To make a power supply unit seem more competitive, some manufacturers use dirty tactics to make their processor appear to have much higher specifications ... Power Supply (PSU) An introduction to Power Supplies The power supply is probably best described as being the heart of the computer It provides all of the other components in the computer with...
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Tài liệu The Computer Case and Power Supply pptx
Ngày tải lên :
21/12/2013, 19:15
... local power requirements when selecting the voltage for the power supply Step Power supplies are rated by wattage, which is usually between 250 and 300 watts What is the power supply rating for ... Connector _ 5-pin DIN or 6-pin mini DIN _ USB (Make sure it matches the connector on the Motherboard) Power Supply AT ATX _ Other _ Power Supply Wattage _ Step Examine ... with a power supply However, not all cases are built for the United States market and therefore may not be set for the correct voltage Look in the back of the case for the voltage selector switch...
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TÀI LIỆU HAY VỀ TÍNH TOÁN PHÂN TÍCH HỆ THỐNG ĐIỆN (Power system analysis short circuit load flow and harmonics)
Ngày tải lên :
21/08/2014, 12:41
... shell- and core-form transformers in Table 1-1 is noteworthy Connections and are for a core-type transformer and connections and 10 are for a shell-type transformer The impedance ZM accounts for ... Bus Impedance Matrix Loop Admittance and Impedance Matrices Graph Theory Bus Admittance and Impedance Matrices by Graph Approach Algorithms for Construction of Bus Impedance Matrix Short -Circuit ... Motor and Generators Short -Circuit Current of a Rectifier Short -Circuit of a Charged Capacitor Total Short -Circuit Current DC Circuit Breakers Load Flow Over Power Transmission Lines 10.1 Power...
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On the road towards robust and ultra low energy CMOS digital circuits using sub near threshold power supply
Ngày tải lên :
14/09/2015, 14:01
... 1.1 Voltage Scaling for Low -Power Digital Circuits namic power, the leakage power and the short -circuit power The dynamic power results from charging and discharging loading capacitances It is often ... Henk Corporaal, for many inspiring and in-depth discussions over these years Henk opened my mind for problem formulation at the initial uncertain phase of my PhD time His expertise in processor ... reducing memory access common expression elimination pre-computation, etc using suitable pipelining and parallelism, enabling low supply voltage/frequency System level multiple supply voltages...
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Xe ô tô BMW X5 E70 SM 03a_E70 Voltage Supply and Bus
Ngày tải lên :
19/10/2012, 13:48
... multimedia applications that was specifically developed for use in motor vehicles MOST stands for "Multimedia Oriented System Transport" The MOST bus uses light pulses for the purpose of transmitting ... for options A fiber optics connector for option preparations is installed only if option preparations are actually installed The ends of the fiber optics conductors for options are always grouped ... co-operation with Daimler Chrysler AG and the semiconductor manufacturers Freescale (formerly Motorola) and Philips, BMW AG founded the FlexRay consortium in 1999 for the purpose of developing...
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Power Supply Units Guide.
Ngày tải lên :
01/11/2012, 16:38
... ngợm p xung hạn h p Lời khuyên nhỏ: Bạn sử dụng vài công cụ tính toán công suất trực tuyến để tìm số cần thiết ví dụ như: - http://www.jscustompcs.com /power_ supply/ - http://www.mymp3car.com/MP3Car/PSUpower.asp ... gian vừa qua PFC cho ph p việc cung c p luợng điện đạt hiệu sử dụng cao Có hai loại PFC Active PFC Passive PFC Tất nguồn sản xuất vào thời điểm thuộc hai loại - Active PFC: Đây kiểu PFC hiệu Nó ... http://www.mymp3car.com/MP3Car/PSUpower.asp Trong thực thế, Khi đem hệ thống thuộc dạng mạnh đưa thử nghiệm bao gồm: + AMD Opteron DualCore 165 @ 2.9Ghz + DFI LanpartyUT nForce4 SLI-D + nVIDIA GeForce 6800Ultra + 4x512 Corsair...
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UPS (Uninterruptible Power Supply)
Ngày tải lên :
27/04/2013, 11:36
... Bộ ổn p + Điều chỉnh độ ổn định điện p + Bảo vệ khỏi xung điện + Cung c p điện ổn định, liên tục sụt p Yêu cầu: Công suất phù h p với thiết bị sử dụng - UPS (Uninterruptible Power Supply) + ... p: Đối với tần số cao kích thước biến p kích thước dây dẫn nhỏ nhiều so với biến p tần số điện dân dụng 50/60Hz - Điện p DC th p đầu nguồn - Ổn định điện p theo phương ph p PWM (phương ph p ... trường h p nhẹ nổ cầu chì PSU, nặng bạn làm hỏng PSU chí thiết bị khác bên máy tính Bước Một lý cho việc PSU không hoạt động bạn chưa cắm đầu power switch Đầu power switch, thường đóng dấu PW PW_ON...
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Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions
Ngày tải lên :
05/09/2013, 10:15
... 10 PSM NCD SRM SHU SDG LSD LHT LMK PDL PHS PSM NCD Hand washing with soap before eating Hand washing without soap before eating No hand washing before eating Hand washing after defecation with ... practices Hand washing with soap before eating Hand washing without soap before eating No hand washing before eating Hand washing after defecation with soap Hand washing after defecation without soap ... Health Organization, Geneva WHO/UNICEF (2003).Joint Monitoring Program on Water Supply and Sanitation (JMP), World Health Organization, Geneva WHO/UNICEF JMP (2000) Global Water Supply and Sanitation...
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Tài liệu tiếng anh Điện tử công suất mạch MERS Power supply for pulsed magnets with magnetic energy recovery current switch
Ngày tải lên :
15/10/2013, 16:11
... TURN-ON AND TURN-OFF SWITCHING LOSSES III HIGH REPETITION PULSED POWER SUPPLY A Pulsed Current in High Repetition This switch can be applied to a power supply which supplies high-speed and high-repetition ... the proposing circuit is effective for fast pulsed current source V SUMMARY The application of a magnetic recovery switch to the pulsed power supply was proposed This switch can flow pulsed current ... al.: POWER SUPPLY FOR PULSED MAGNETS WITH MAGNETIC ENERGY RECOVERY CURRENT SWITCH 1797 TABLE II PARAMETERS OF MAGNETIC ENERGY RECOVERY TYPE MARX-GENERATOR magnetic energy stored in the inductor...
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Electronics - Digital Control of Switching Power Supply
Ngày tải lên :
27/10/2013, 16:15
... Gaboriault, "U.S Merchant Markets and Applications for Internal AC/DC Switching Power Supplies and DC/DC Converters", APEC’00, pp 59-63, 2000 [3] P C Todd, “UC3854 Controlled Power Factor Correction ... 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", APEC’01, pp , ... 1000-3 and IEEE 519 standards specify link as harmonic compliance and THD To comply with the corresponding standards in Europe and North America several active solutions have been proposed [2] and...
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SIEMENS SIMATIC power controller and 3 phase stepping motors
Ngày tải lên :
21/11/2013, 13:45
... disconnected, check the motor wiring The signal input GATE_N has V or the input is open No clock signal present on PULSE input Motor phases interchanged Apply 24 V to GATE_N input Supply clock signal to PULSE ... description, see chapter 24 V standard PLC output READY2 (overload and short -circuit protected): Uhigh 24 V supply voltage Voltage drop V max at 70 mA Output current 70 mA Sustained short -circuit ... Reserved FM-STEPDRIVE/SIMOSTEP (FB) 01.97 6.6 Wiring Accessories Accessories Order number Mains filter for one axis with single-phase power supply Mains filter for several axes: For single-phase mains...
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Tài liệu Power Supply Block Diagram ppt
Ngày tải lên :
13/12/2013, 23:15
... regulators are available, e.g LM317 (for +ve output) or LM 337 (for -ve output) ve output) H Chan; Mohawk College 33 Basic LM317 Variable Regulator Circuits (a) Circuit with capacitors to i t improve ... The error amplifier compares a sample of the regulator Vo to an internal Vref The difference or error voltage is amplified and applied to a modulator where it is compared to a triangle waveform ... VoltageVoltage-Inverting or Buck-Boost Regulator Buck- Vo can be either step-up or step-down and its polarity is opposite to input During ON period, Vin is across L, and D is reversebiased During OFF period,...
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Single phase uninterruptible power supply based on z source inverter
Ngày tải lên :
03/01/2014, 19:12
... uninterruptible power supplies,” in Proc 37th Annu North Amer Power Symp., Oct 23–25, 2005, pp 159–164 [3] H Pinheiro and P Jain, “Comparison of UPS topologies based on high frequency transformers for ... Vicuna, and J Uceda, “Uninterruptible power supply systems provide protection,” IEEE Ind Electron Mag., vol 1, no 1, pp 28–38, Spring 2007 [7] P K Jain, J R Espinoza, and H Jin, “Performance ... R Krishnan and S Srinivasan, “Topologies for uninterruptible power supplies,” in Proc IEEE Int Symp Ind Electron., Budapest, Hungary, 1993, pp 122–127 [2] M S Racine, J D Parham, and M H Rashid,...
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Tài liệu Industrial Power Engineering and Applications Handbook P2 docx
Ngày tải lên :
19/01/2014, 23:20
... winding @ Capacitor start and capacitor run windings (d) Speed-torque characteristics of capacitor start and capacitor run motors (e) Capacitor start or capacitor start-capacitor run 1-0 motor Figure ... common for hand tools and home appliances and also for such applications that require a high speed (above 3200 r .p. m) which is not possible in an a.c machine Likely applications are polishers, ... Industrial Power Engineering and Applications Handbook Table 1.11 Types of Protection against ingress of water For gases Type of protection Second characteristic number No special protection Dripping...
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Tài liệu Industrial Power Engineering and Applications Handbook P1 docx
Ngày tải lên :
19/01/2014, 23:20
... Improvement of Power Factor Introduction Application of power capacitors Effect of low PF Other benefits of an improved power factor Behaviour of a power capacitor in operation Generation of triple ... the application of power capacitors Application of series capacitors and analysis of an uncompensated transmission line and the capability of power transfer and system regulation with and without ... circuit per phase , Z = number of turns in the rotor circuit per phase , At load current I,, i.e OP, the rotor current I,, is A P PP,will determine the power input per phase and the performance...
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Tài liệu Supply and stock of raw materials pptx
Ngày tải lên :
25/01/2014, 00:20
... supply Unload Stock supply Mark Stock supply Stock Stock supply Non Conforming material S 12 Check of technical specifications Delivery document Check of purchase criteria Delivery document Payment ... PB-Nr: S05 Supply and stock of raw materials flow/process documentation/competence Issed by Hr Bauer Date of release Version 00 Page 2/5 PB-Nr: S05 Supply and stock of raw materials Supplier ... compared with the specification of the PPS for this order, in order to control the identity of the product and the delivery volume For problems consultation is to be held with the purchase Check...
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Tài liệu Power, Politics and Identity in South African media docx
Ngày tải lên :
15/02/2014, 08:20
... invisible forms of racist expression and well-established patterns of racist exclusion that remain unaddressed and uncompensated for, structurally marking opportunities and access, patterns POWER, POLITICS ... the world (Zegeye & Maxted 2002: 13) The desperately poor black people of Alexandra, for example, live cheek by jowl with the affluent white residents of nearby Sandton and this marked correspondence ... an oppressive society and in organisations and institutions resisting that oppression The concept of identity has become the primary medium for understanding the relationships between the personal...
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asg 2 electrical power supply
Ngày tải lên :
15/02/2014, 08:33
... Electrical power supply Summary 2.1 Introduction Page 2.2 Power supply to machinery Page 2.3 Standards and conventions Page 2.4 Power supply functions Page 2.5 Power supply to the control circuit Page ... lessened A Fig Single-phase and 3-phase rectification Electrical power supply 2.5 Power supply to the control circuit v Switching power supplies (C Fig 8) The working principle involves switching ... connection UL508 Parallel wires Wires with lugs Wires with lug or busbars clamps Requirements in the zones of influence 2 Electrical power supply 2.4 2.4 Power supply functions Power supply functions...
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Tài liệu The Supply and Demand Side Impacts of Credit Market Information pptx
Ngày tải lên :
16/02/2014, 03:20
... selection is due to “voice and loyalty” with groups expelling bad performers, as opposed to “exit” whereby good performers leave poorly performing groups, seeking better options Additional sources ... loans; and communal banks (CB), with upwards of 30 people and small loans The logic of borrower and group behavior is quite different in the two types of groups Accordingly, the response to information ... selection, without informing borrowers), with a randomized experiment to provide information to groups of borrowers about the existence of the credit bureau and its implications for them, and with...
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