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Topic: Power electronics


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In the News (Sat 19 Dec 09)

  
  Centre for Power Electronics   (Site not responding. Last check: 2007-10-05)
The Centre for Power Electronics (CPE) was established in 1994 to develop and nurture the growing level of research activities in the Department of Electrical and Computer Engineering in the field of power electronics.
Power electronics is interdisciplinary in nature and is used in a wide variety of industries from computers to chemical plants to rolling mills.
Power electronics is interdisciplinary and is at the confluence of three fundamental technical areas - power, electronics and control.
www.ee.nus.edu.sg /CPE/cpe.html   (3728 words)

  
 Power Electronics Laboratory at UCI
Switching circuits for audio power amplifiers still remain one of the most challenging research topic in the field of Power Electronics, due to the low distortion and high bandwidth requirements.
The output power signal from the full bridge is not affected by the requantization error or the power-source ripple.
An active power filter (APF) is a device that is connected in parallel to and cancels the reactive and harmonic currents from a group of nonlinear loads so that the resulting total current drawn from the ac main is sinusoidal.
www.eng.uci.edu /pel/pel.html   (3874 words)

  
 Power Electronics Books - B
HVIC process technology (7 papers); smart power devices (5 papers); high voltage display drives (5 papers); power amplifiers (4 papers); high voltage telecommunication chips (6 papers); high voltage dielectric isolation technology (7 papers), and a bibliography of other important papers not included in the collection.
Topics include: an original contribution by the editor "Introduction to Power Electronics" and 49 carefully collected papers under the headings of general overview, power semiconductor devices and power integrated circuits, ac-to-dc and ac-to-ac converters, dc-to-dc converters, dc-to-ac converters, pulsewidth modulation, and power electronics applications.
Topics include: the role of the power supply in the system and the design program; an introduction to the linear regulator; pulsewidth modulated switching power supplies, quasi-resonant switching power supplies; thermal analysis and design; feedback loop compensation; power factor correction; magnetism and magnetic components; noise control and electromagnetic interference; and miscellaneous information.
www.smpstech.com /books/bookb.htm   (1282 words)

  
 Darnell.com - Milliwatts to Megawatts, the World's Power Electronics Information Specialist
Electronic Ballast market opportunities and threats are exposed in an analysis of pertinent application trends, economic factors, regulatory changes (focused strongly on energysaving opportunities), semiconductor advances, and technological threats.
The report's power forecasts are based on a comprehensive quantitative forecast of 22 distinct applications that come from the communications, computer, consumer and medical segments.
External ac-dc power supply opportunities and threats are exposed in an analysis of pertinent application trends, economic factors, regulatory changes, semiconductor advances, and technological threats.
www.darnell.com   (549 words)

  
 Switching-Mode Power Supply Design
Power supply design problems and solutions are discussed in a unique problem-solving format, where each problem is identified and discussed, then a test is provided to determine the relevance to your design followed by a general discussion of its solvability.
A power supply design tutorial ties the problems together and serves as an introduction to switching-mode power supply design.
A powerful search engine capability has been added to the website that allows you to search for the topics of most interest to you.
www.smpstech.com   (603 words)

  
 Power Electronics and Electric Machinery Research Center - NTRC   (Site not responding. Last check: 2007-10-05)
The U.S. Department of Energy’s broad-based research center for power electronics and electric machinery and associated technologies is located at the NTRC.
Researchers in the Power Electronic and Electronic Machinery Research Center develop and prototype the next generation of cost-effective converters, adjustable-speed drives, electric utility and distributed-generation applications, motor controls, and efficient, compact electric machines.
The laboratory area of the ORNL Power Electronics and Electric Machinery Research Center has more than 700 m2 (9000 ft2) of space for developing and building the next-generation prototypes of inverters, rectifiers, and electric machine technology.
www.ntrc.gov /labs/power_electronics.shtml   (375 words)

  
 Power Electronics and Power Supply Books
Power Semiconductor Devices, PWS Publishing Co., Boston, 1996.
Power electronic circuits, Hoboken, NJ: John Wiley, c 2004.
Power electronics handbook, San Diego: Academic Press, c 2001.
www.smpstech.com /books/booklist.htm   (6572 words)

  
 Amazon.com: Fundamentals of Power Electronics (Second Edition): Books   (Site not responding. Last check: 2007-10-05)
Fundamentals of Power Electronics, Second Edition, is intended for use in introductory power electronics courses and related fields for both senior undergraduates and first-year graduate students interested in converter circuits and electronics, control systems, and magnetic and power systems.
For someone with no fundamental knowledge of electronics, except perhaps having a vague memory for what a resistor, capacitor and inductor does, this book does little to ease one into a fundamental understanding of power electronics.
I have yet to come across a textbook on power electronics that gives a working example of how to calculate and build for a circuit that most folks are really looking for: How to build a fl box that transforms a low dc voltage into a pulsed high dc voltage.
www.amazon.com /exec/obidos/tg/detail/-/0792372700?v=glance   (1689 words)

  
 ePanorama
The heat must be transfered from the electronics component to a heat sink in some way, typically the component is mouted on heatsink (regulators, transistors, thyristors etc.) or heatsink is mounted on the top of the component (typical ICs).
An analog-to-digital converter (also known as an ADC or an A/D converter) is an electronic circuit that measures a real-world signal (such as temperature, pressure, acceleration, and speed) and converts it to a digital representation of the signal.
Electronics components are designed so that they can take high temperatures on their contacts/wires forsome time without damage (to withstandard the soldering).
www.epanorama.net /links/basics.html   (12695 words)

  
 Amazon.com: Power Electronics: Converters, Applications, and Design, 2nd Edition: Books   (Site not responding. Last check: 2007-10-05)
Cohesive presentation of power electronics fundamentals for applications and design in the power range of 500 kW or less.
Describes a variety of practical and emerging power electronic converters made feasible by the new generation of power semiconductor devices.
The increased power capabilities, ease of control, and reduced costs of modern power semiconductor devices compared to those of just a few years ago have made converters affordable in a large number of applications and have opened up a host of new converter topologies for power electronic applications.
www.amazon.com /exec/obidos/tg/detail/-/0471584088?v=glance   (816 words)

  
 Alternative_Energy_Power_Electronics
In particular, Virtual Technologies, Ltd. has already developed and is able to market high efficiency electronic power units for DC-DC conversion, frequency and phase conversion, power inversion, 5-50 KW windmills, and MPPT motor control and battery charging systems.
Virtual Technologies, Ltd. is a privately held corporation with years of experience providing custom electronic engineering solutions and power electronics product manufacturing.
We are developing power electronics for grid-connected and off-grid alternative energy systems as well as for transportable AC-AC and DC-DC applications.
www.virtualtechnologiesltd.com /Power_Supplies/alt_energy_power.htm   (537 words)

  
 Power Supplies, AC DC Power Supplies, Custom Power Supplies
We offer standard open frame and external power supplies in the 5 to 200 watt range, and develop custom power supplies up to 500 watts.
We have extensive experience with medical grade power supplies (UL2601-1) and commercial AC DC power supplies for computing, office automation and communications applications.
If you are an OEM searching for an AC DC power supply for your project, let us show you "The Elpac Difference." You'll see that we deliver superior quality faster, with knock-your-socks-off customer service.
www.elpac.com   (164 words)

  
 Power and Energy Systems
Facilities include a state-of-the-art power electronics and electric machinery laboratory used for both research and curriculum purposes and a computer lab equipped with PCs.
The power faculty offers approximately twelve courses at both the graduate and undergraduate levels, covering electromechanics, power electronics, and power systems.
The Power and Energy Systems Area is also home to the Grainger Center for Electric Machinery and Electromechanics, a collaborative network of universities dedicated to electric machines and power electronics.
energy.ece.uiuc.edu   (284 words)

  
 Martek Power Abbott - Military COTS and Custom Power Supplies - AC/DC power supplies, DC/DC converters and DC/AC ...
We design military COTS and custom power supplies mil COTS power supply for a wide range of applications: dc/dc power converters, dc/dc power supply, ac/dc power converter, ac/dc power supplies, dc/ac inverters, ac-dc power supply, dc-dc converters.
Paul Kirmond now heads Martek Power UK sales office.
Power Converters with wide varieties of input and output ranges.
abbottelectronics.com   (323 words)

  
 electronics tutorials
If you are involved in electronics then consider joining our "Electronics Questions and Answers" news group to share your thorny questions and answers and help out your colleagues.
Starting out you need to cover basic electronics which encompasses the topics of ohms law, voltage, current, resistance, capacitance, inductance, reactance, impedance and Q. Further topics in these basic electronics tutorials are power supply basics as well as digital basics.
Further electronics tutorials are on receiver design including am receivers, fm receivers and general coverage receivers which incorporate ssb as well as cw.
www.electronics-tutorials.com   (2635 words)

  
 Power Electronics Technology Magazine Online | power electronics engineer, IEEE, battery, power supply   (Site not responding. Last check: 2007-10-05)
Power Electronics Technology announces Tribotek's LowR Power Contacts are the recipient of the 2nd annual Product of the Year Award.
This special edition of Power Electronics Technology celebrates the 30th anniversary of the magazine, which was originally published under the name Solid-State Power Conversion.
The IC minimizes power consumption by using two dc-dc converters to generate the main supply voltages and three LDOs for the auxiliary rails....
powerelectronics.com /index.html   (478 words)

  
 Revision to Fundamentals of Power Electronics   (Site not responding. Last check: 2007-10-05)
This book is intended for use in introductory power electronics courses at the senior and first-year graduate level.
It is also intended as a source for professionals working in power electronics, power conversion, and analog electronics.
It emphasizes the fundamental concepts of power electronics, including averaged modeling of PWM converters and fundamentals of converter circuits and electronics, control systems, magnetics, low-harmonic rectifiers, and resonant converters.
ece-www.colorado.edu /~pwrelect/book/bookdir.html   (93 words)

  
 Power Electronics International, Inc. - AC Motor Controls for Material Handling
As a manufacturer of variable frequency drives and reduced torque control units, Power Electronics is world renowned for high reliability, quality, and safety.
Power Electronics developed the overhead hoist variable speed drive pictured here in 1969.
Duplication of any material on this website is strictly prohibited without the written consent of Power Electronics International.
www.peinfo.com   (215 words)

  
 PowerPulse.Net - The Web's Leading Power Electronics Publication
Ericsson Power Modules AB (Sweden), a supplier of dc-dc power modules for distributed power architectures, announced that it has revised its PKR Series of dc-dc converter, which are manufactured using an open-frame building process, offering reduced cost and increased compatibility with lead-free soldering processes.
Considering how much power supplies are affected by regulations, I’m surprised that there isn’t at least one organization that represents the industry in Washington.
Only two lines of code are required for you to display up-to-the-minute power electronics news headlines.
www.powerpulse.net   (544 words)

  
 Schaffner  - Homepage English   (Site not responding. Last check: 2007-10-05)
With many years of experience in design, manufacture and supply of broadband RF power amplifiers to the EMC market worldwide, Schaffner is sure of the long term performance and reliability of their product.
Schaffner amplifiers have proved reliable in the field, operating in one of the harshest applications, namely EMC RF immunity testing, where amplifiers are often operated at their limits and into poor vswr match.
All amplifiers in the Schaffner CBA range are solid state, class A configured and therefore mismatch tolerant, they have been specifically designed for the application with frequency ranges and power levels matching the demands of the standards.
www.schaffner.com   (442 words)

  
 Power Supply- Switching Mode (SMPS) Circuit Design, Tutorials, Software
is the device that transfers electric energy from the source to the load using electronic circuits.
Since the most of electrical power is not used in the form in which it was initially produced or distributed, practically all of electronic systems require some kind of power conversion.
This site is the power supply information guide.
www.smps.us   (158 words)

  
 Indxe
Powersim develops and markets leading simulation and design tools for research and product development in power supplies, motor drives, and power conversion and control systems.
We strive to increase customers' efficiency and productivity by delivering software that reduces the development cost and time-to-market, and is powerful, robust, affordable, and easy and enjoyable to use.
PsimNet is a great marketing and support tool for power management and power conversion products through the internet.
www.powersimtech.com   (238 words)

  
 PE Tech Home   (Site not responding. Last check: 2007-10-05)
If you would benefit by seeing, trying, and pricing the latest power electronics components and equipment, learning from leading authorities, and networking with peers and real leaders in the field, than you should attend the Power Electronics Technology Exhibition & Conference.
The Directive restricts the use of certain heavy metals and flame-retardants in electrical and electronic equipment, and provides exemptions for specific materials and applications in the absence of viable alternatives.
The Power Electronics Technology Conference is renowned for its pragmatic, business-oriented focus.
home.powerelectronics.com /index.html   (592 words)

  
 Power supplies, UPS and military power systems, telecom inverters from Gresham Power
July 2005 – Gresham Power Electronics announce the introduction the latest addition to their market leading range of CompactPCI power supplies.
Digital Power have developed their products to keep pace with the rapid changes of technology and ever shortening product development cycles...
Gareth has a wealth of experience in the power conversion industry having spent over 12 years as Technical Applications and Power Supply Design Divisional Manager for a major Japanese OEM power supply manufacturer.
www.greshampower.com   (505 words)

  
 Ridley Engineering   (Site not responding. Last check: 2007-10-05)
There are many subtleties and details of circuit operation of power supplies and their components that are usually learned after years of hard-won experience.
Much of this information is not written down, and is rarely included in data books.
Switching Power Magazine offers in-depth design tips and feature articles on power supply design from around the world.
www.ridleyengineering.com /tips.html   (175 words)

  
 Georgia Tech Microgenerator Can Power Electronics
Mini Generator Has Enough Power To Run Electronics (November 26, 2004) -- It may be tiny, but a new microgenerator developed at Georgia Tech can now produce enough power to run a small electronic device, like a cell phone, and may soon be able to power a laptop.
Speed like that is capable of producing 1.1 watts of power, or enough juice to run a cell phone.
The research is part of a larger project funded by the Army Research Laboratory to create lighter portable power sources to replace the heavy batteries that currently power a soldier’s equipment, such as laptops, radios, and GPS systems.
www.sciencedaily.com /releases/2005/01/050123222705.htm   (626 words)

  
 Auto Power Adapters, Auto Air Adapters and Power Packs for Laptop and Notebook Computers.
When you need power adapters, power packs or other accessories for your laptop or notebook computer think of Lind Electronics.
From our industry standard Auto Adapter and Auto Air Adapter, to our Special DC to DC Power Adapter for your boat or private aircraft, and from our Lithium-Ion Power Pack to our Specialty Laptop Accessories and Stock and Custom Cables, quality is designed into each product.
Our portable power experience, engineering and manufacturing expertise, guarantee we will quickly and thoroughly understand your design and production requirements.
www.lindelectronics.com   (298 words)

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