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Power Articles


1: Car Novel Single-phase sinusoidal power supply
O INTRODUCTION With the development of society, more and more cars with people's daily lives, while the vehicle is generally used for DC voltage 12V, can not be used directly for portable electronic devices. To this end, vehicle power supply (D...

2: DC motor servo drive Power Supply Design
The design for DC-DC converter as the core, to achieve 220V electricity to +60 V/20A power conversion. Power supply design used in power factor correction technology to improve the active power; in particular power supply design of the computer cont...

3: High-performance carrier-based multi-output Power Supply Plotter Design
1 Comparison of basic techniques 1.1 Performance Indicators Input: 220 V ± 10%, 50 Hz. Output voltage / current stability: 5 V/03 A ± 12 V / <± 0.1 A 24 V/06 A 26 ~ 34 V (static adjustable) / 0.6 A peak current / stable operating current:&...

4: Regulated power supply with digital display
LM317 adjustable voltage regulator with an integrated production of power supply, multi-block can output a different voltage. If these multi-block output voltage value can be used in different figures to indicate that the more okay! In general, a si...

5: Static transform aviation ground power PWM voltage controller design
1 Introduction At present, the converter used in pulse-width modulation control technology mainly in two ways. One is the switching point preset PWM control mode, the program despite the low switching frequency of small and low harmonic content, et...

6: Static transform aviation ground power PWM voltage controller design
1 Introduction At present, the converter used in pulse-width modulation control technology mainly in two ways. One is the switching point preset PWM control mode, the program despite the low switching frequency of small and low harmonic content, et...

7: New type of small current grounding fault line selection device design
Introduction Distribution network neutral point grounding mode with low current and a series of advantages, it has been adopted in many countries of the power distribution system. However, due to the small current grounding grid when a single-phase...

8: New type of small current grounding fault line selection device design
Introduction Distribution network neutral point grounding mode with low current and a series of advantages, it has been adopted in many countries of the power distribution system. However, due to the small current grounding grid when a single-phase...

9: CAN-based power control system design
CAN bus is a kind of distributed control systems can effectively support the serial communication networks, on the one hand, their means of communication flexible and can realize multi-master mode work, but also to achieve point to point, multipoint...

10: Set-top boxes and LCD TVs use cheap easy switching power supply design
Preface Traditional consumer electronics products, AC-DC switching power supply, usually with multiple-output isolation transformer by a primary side power supply controller to control the output voltage and current, but such multiple-output power ...

11: Power Inverter Power Supply Design and Implementation of Adjustable
1 Introduction Sinusoidal pulse width modulation and frequency conversion technology in the field of industrial control applications become increasingly widespread. Many electrical test instruments require high power, high-performance to meet the t...

12: Multi-output forward converter coupled inductor filter design
1 Introduction In recent years, high-frequency switching power supply in the electronic products are widely used. Forward-type DC / DC converter with its output ripple small and to switch the request of the advantages of low and suitable for low-vo...

13: Electronic watt-hour meter power supply design
1 Introduction With the rapid development of power industry, as well as the implementation of the power industry, "a table" system, making early use of electromechanical watt-hour meter become increasingly unsuited to the demands of the m...

14: A LD-pumped solid-state laser power supply design
LD-pumped solid-state semiconductor laser diode (hereinafter referred to as LD laser) its heat, light pump coupled convenience, designed to be simple, flexible and easy to install, stable, solid and durable advantages is widely used in laser irradia...

15: MAX12557 high-speed A / D converter characteristics and application
1 Introduction MAX12557 is Maxim developed a high-speed, low power, high-performance 14-bit A / D converter. The A / D converter with fully differential dual-channel bandwidth sample-and-hold (T / H) inputs, the sampling rate of 65MS / s, input ban...

16: SG3525A based on the design of solar power inverter
Introduction This article deals with a subject of future work in the specific technical problems. The basic principles of the subject is the inverter by the DC battery power supply, use of solar energy for battery charging, and inverter output powe...

17: Ethernet power-oriented design and analysis of high-power
Power Supply for Ethernet (PoE) to the IEEE802.3af standard DC power supply together with 10/100/1000Mbps data transmission, so as to Ethernet brings a new look. Which, PoE brings a unique set of problems, many with experience in the design of Ether...

18: A practical circuit BOOST
0 Introduction In practical applications often involve the design of step-up circuit for greater power output, such as more than 70W of DC / DC step-up circuit, as a result of a dedicated chip internal switch step-up restrictions, difficult to achi...

19: Facilitate the integration of the Intelligent Monitoring and Control System of Power Supply Module
0 Introduction With the power of the rapid development of electronic technology, switching power supply is receiving increasing attention, particularly in the telecommunications, electric power field has been widely applied. In recent years, in ord...

20: Octave-type high frequency induction heating power IGBT short circuit load protection
O INTRODUCTION Insulated Gate Bipolar Transistor ICBT (Insulated Gale Bipolar Translstor) by the MOSFET and bipolar transistor from a composite device, the input is extremely MOSFET, very PNP output transistor, so it has a MOSFET device driver simp...


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