2 power supply options and jumper settings

... I’+ and I’- Additional connections need to be made to connect the output of these sensors to points CUR1+ and CUR1- on the PCB 5.1.2 Power Supply Options and Jumper Settings The entire board and ... jumpers be placed appropriately for blocks to function correctly Table indicates the functionality of each jumper on the board and the associated functionality Table Header Names and Jumper Settings ... either via JTAG, external power or the AC mains through the capacitive power supply Various jumper headers and jumper settings are present to add to the flexibility to the board Headers JP1 to...

Ngày tải lên: 21/09/2016, 23:47

... headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India The Company’s quality system processes and procedures ... charge and discharge the output capacitor of DS01114A -page 27 AN1114 the respective MOSFETs Figure 28 shows the gate pulse required, and the voltage and current waveform across the switch and transformer ... may vary from 90 VAC to 264 VAC, and input frequency from 47 Hz to 63 Hz for an off-line power supply, and -25% to +50% from the nominal value for the DC input supply The load current may vary...

Ngày tải lên: 17/05/2015, 15:33

Ngày tải lên: 08/03/2016, 11:36

... đường +5V Standby Đường điện độc lập hoàn toàn so với đường nuôi thiết bị khác có tín hiệu bạn cắm điện vào nguồn, số loại bo mạch chủ thường có đèn tín hiệu để báo trạng thái +5V Standby Ngoài ... 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 Trong thực thế, Khi đem hệ thống thuộc dạng...

Ngày tải lên: 01/11/2012, 16:38

... mức điện áp -12V • Màu xanh cây: Dây kích hoạt hoạt động nguồn • Dây màu tím: Điện áp 5Vsb (5V Standby) - Hiện nay, với nguồn đại có nhiều đường điện khác nhau,nhưng thông dụng đường +3,3V,+5V,+12V,+5VSB,0V,-5V,-12V ... 12V CPU PIV, Althlon 64, dual core AMD, Pentium D, VGA ATI, NVIDIA SLI, ATI Crossfire +5VSB (5V Standby): nguồn điện nguồn cấp trước, phục vụ cho việc khởi động máy tính, nguồn điện có ta nối nguồn ... mềm tiện ích hiển thị thông số hệ thống kèm theo mainboard phần mềm miễn phí Speedfan hay Sisoft Sandra Do phần mềm đọc số đo qua sensor bios, nên giá trị đọc thường thấp giá trị thực từ 0.1V ~...

Ngày tải lên: 27/04/2013, 11:36

... Trong hộp thoại Apply to selected slides, bạn chọn hiệu ứng thích hợp cho tất slide, tốt nên chọn Random Transition thay đổi hiệu ứng ngẫu nhiên cho slide, đẹp mắt mà lại tránh nhàm chán - Trong...

Ngày tải lên: 13/09/2013, 15:10

... when S1 and S3 are turned on again, and the current, which is determined by the resistance and the voltage, is turned on and off faster than the time constant of the circuit inductance and resistance ... 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 ... voltage and current controlled by PWM V = 10 V, and capacitor voltage waveforms is shown in Fig Measured capacitor voltage is shown in Fig gradually rises with the switch repeated turn on and off, and...

Ngày tải lên: 15/10/2013, 16:11

... and the input power factor (PF) and total harmonic distortion (THD) are poor IEC 1000-3 and IEEE 519 standards specify link as harmonic compliance and THD To comply with the corresponding standards ... in Fig 5, lower and higher harmonic components are obtained from D and D PI , respectively Therefore, higher bandwidth of the whole control system can be achieved with lower bandwidth of current ... cost and implement fuzzy logic control for PFC, 8-bit micro-controller, ST52x420, is employed Simulation and experimental results are shown to demonstrate PFC control of SMPS to meet IEC 1000-3 and...

Ngày tải lên: 27/10/2013, 16:15

... equation for L becomes 25 and Imin becomes 0.02Io L and C are both proportional to 1/fosc; hence, the higher fosc is the smaller L and C become But for predictable operation and less audible noise, ... in/output and better regulation are available 28 H Chan; Mohawk College Basic Circuits With 78/79XX Regulators Both the 78XX and 79XX regulators can be used to provide +ve or -ve output voltages C1 and ... Notice that Ishort < IL(max) and that Vo is regulated (i.e constant) only after RL > a certain critical value For designing purpose, purpose R5 + R6 = kΩ and if Ishort and IL(max) are specified...

Ngày tải lên: 13/12/2013, 23:15

... 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 the case? _ Step Attach the motherboard standoffs to ... Systems, Inc Step Most computer cases come complete 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 ... DIN _ USB (Make sure it matches the connector on the Motherboard) Power Supply AT ATX _ Other _ Power Supply Wattage _ Step Examine the screws that will be used for the case...

Ngày tải lên: 21/12/2013, 19:15

... source (E, C3 , and D), a Z-source symmetrical network (L1 = L2 and C1 = C2 ), an H-bridge inverter (S1 –S4 ), and a filter (Ls and Cs ) Table I shows a total of nine switching states and their vector ... loop Substituting (15) and (18) into (20) gives Wou (s) = K1 τ1 s + τ1 s K Ts s2 + s Ts + K Ts (21) sCs where K = (1 − d)Ki uB /(1 − 2d)Ls , and τ1 and K1 are the proportional and integral coefficients, ... Fig 9(b) and (c) B Experimental Results Fig 10(a) and (b) shows the output voltages and currents, respectively, of the proposed UPS with the Z-source inverter under both pure resistive and nonlinear...

Ngày tải lên: 03/01/2014, 19:12

... 2 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 ... distribution and system earthing, - wiring practices, - product standards and clearance distances, - types of fuses for fuse-holders or fused switches Electrical power supply 2.3 Standards and conventions ... influence 2 Electrical power supply 2.4 2.4 Power supply functions Power supply functions There are three separate functions: b Supply and cut off the machine power and control units with attention...

Ngày tải lên: 15/02/2014, 08:33

... to find out more! Standard Power Supplies The standard power supply is usually a good deal cheaper than a modular supply They’re also a lot more common In a standard power supply, all of the cables ... type of power supply is the ATX power supply, which uses standardised connectors compatible with the vast majority of motherboards of any size PSUs come in two varieties: Modular and Non-Modular ... good one Power Supply Varieties As I mentioned in the introduction, there are two main varieties of power supply: Modular and Non-Modular (which is more common) They’re very similar and have the...

Ngày tải lên: 19/03/2014, 20:35

Ngày tải lên: 10/04/2014, 19:55

... Grounds I15 9.2 The Use and Design of Clamps and Snubbers I I9 9.3 RFI and EM1 Design Considerations 125 9.4 Power Supply and Product Safety Considerations I 28 9.5 Testing Power Supply Units 132 9.5 ... filtering and shielding will have to be added to the supply to limit the effects of the noise on the load and the environment This, of course, adds cost to the supply Third, since the switching supply ... the power source and the supply The input line at high frequencies actually resembles a current-limited current source and cannot deliver the high-frequency current demands of the supply necessary...

Ngày tải lên: 18/04/2014, 12:25

... Aside 10 Role of the Power Supply within the System and Design Program from ac and dc voltage, the designer must also look at ac and dc current measurements and waveforms, and RF spectrum analysis ... designer should understand the meaning of the terms used within the power supply field These are measurable Role of the Power Supply within the System and Design Program power supply parameters with ... provides the bias supply for the controller, which must withstand the full input voltage during start-up and power supply foldback The controller is “grounded” on the output voltage and the minimum...

Ngày tải lên: 18/04/2014, 12:28

... It can be stated that and are the same function as with phase shifting of and 3, respectively From (1) and (4), the fictitious dc voltage 1.5 (12) (16) From (2) and (12) and let index be inverter ... the transformer primary and secondary voltages with expanded time scale Fig 16 shows the output dc voltage (48 V) and the load current Fig 17 shows the line to neutral and the line current at ... Switching Power Supply Design New York: McGrawHill, 1997 [3] R Redl and A S Kislovski, “Telecom power supplies and power quality,” Proc INTELEC’95, pp 13–21, Nov 1995 [4] P Enjeti and S Kim, “A...

Ngày tải lên: 13/05/2014, 00:55

... UPS (Uninterruptible Power Supply) hay lưu điện thiết bị cung cấp điện khoảng thời gian tương ứng với công suất thiết kế nhằm...

Ngày tải lên: 29/06/2014, 18:20

... of power and energy Power electronics has already found an important place in modern technology and has revolutionized control of power and energy As the voltage and current ratings and switching ... students and for engineers who are interested and involved in operation, project management, design, and analysis of power electronics equipment and motor drives Acknowledgments This Handbook ... development for high voltage and high current ratings and fast turn-on and turn-off characteristics Today, switching devices are manufactured with amazing power handling capabilities and switching speeds...

Ngày tải lên: 02/07/2014, 20:20