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Access Vicor’s growing library of webinar rebroadcasts. A wide variety of topics are covered, including some of the most-asked-about power system design questions, from paralleling to EMI filtering to choosing the best power architecture for a specific application. And many more topics in between.


Whiteboard: A New Way to Simplify Power Chain Analysis

Presenter: Sean Crilly, Vice President, VI Chip Design Engineering

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Description:
Aired April 2014

During the webinar, Sean will walk through the design of a number of power systems, explaining how tools can be used to identify architectures and components to create a power chain that meets requirements. He will then demonstrate how to analyze the electrical and thermal performance of each design, accurately calculating overall system efficiency. This allows engineers to quickly identify the most appropriate system for the application.

Topics covered include: using the Solution Selector to build topologies to meet your requirements; selection of optimum topologies, based on figures of merit; transferring your design to the Whiteboard; modifying the design and simulating distribution resistance; analyzing the power chain performance and thermal characteristics; and using application-specific reference designs


Eight-Part Series Explains HVDC Power Distribution

Presenter: Stephen Oliver, VP VI Chip Product Line

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Description:
Aired November 2013 to March 2014

This eight-part webinar series provides a comprehensive overview of the use of HVDC power distribution to increase efficiency in a wide range of applications, including data centers, commercial buildings, aircraft and vehicles. The webinars feature a number of guest speakers including George Hamilton, from the US Army, Dipl.-Ing. Bernd Wunder from Fraunhofer IISB (DCC+G), David Geary from StarLine DC Solutions (Division of Universal Electric, Corp), BJ Sonnenberg from Emerson Network Power and David Mohr from Hewlett Packard Corporation.

Topics covered include: an overview of HVDC distribution; relevant standards; enabling components and topologies; the different voltages used for HVDC; data centers; commercial buildings and offices; commercial and defense aircraft; construction equipment; and military vehicles.


The Causes and Impact of EMI in Power Systems

Presenter: Chris Swartz, Principal Applications Engineer

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Description:
Aired July 2013

This two-part series helps engineers understand the root causes of EMI and how it can be attenuated. In the first webinar, Chris Swartz provides a comprehensive look at EMI, its causes and its impact, whilst the second session looks at how different filtering methods affect the development of a compact, low-noise power supply system, as well as describing how to avoid common filtering problems.

Topics covered include: what is conducted EMI; the main causes of differential and common mode EMI; standards requirements; the traditional approach to EMI reduction using passive filtering; the benefits of using an active filter; how to avoid common filtering problems; troubleshooting techniques.


Designing High Performance AC-DC Power Systems Using a Power Component Approach

Presenter: Paul Yeaman, Director, VI Chip Applications Engineering

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Description:
Aired March 2013

Modern power systems are complex and will often power many different loads in a single system. Each load rail will have its own unique voltage, current, and power quality requirement, necessitating different design approaches for different rails. With modern power components, however, a top-down approach is enabled, requiring less time to produce better performing power rails – for every load in a system.

Paul Yeaman has developed a three-stage process that simplifies the design process. He walks through the process in this webinar, showing how to develop a multi-kW, AC-DC power system that supplies around a dozen different voltage rails. In just half an hour.


Practical Considerations for Creating High Performance AC-DC Power Systems

Presenter: Paul Yeaman, Director, VI Chip Applications Engineering

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Description:
Aired November 2012

A guide to designing a complete and cost-effective AC to point of load power system with high efficiency and power density. The presenter will highlight the design considerations, architectural choices, and trade-offs that need to be made, and describe the optimum topologies for the various conversion stages.

Topics covered include: AC-DC, AC-DC power, power density, power topologies, high efficiency power, point of load power


ZVS Point-of-Load Regulation:
Enabling High Performance On-Board Power Solutions

Presenter: Chester Firek, Senior Product Marketing Manager

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Description:
Aired November 2012

This webinar will look at how implementing a Zero Voltage Switching (ZVS) topology within a buck regulator provides performance increases over traditional buck regulators. These buck regulators excel at enabling high efficiency and high density point-of-load power solutions. In addition to general point-of-load use, a VR12 compliant Intel X86 processor power solution will also be discussed.

Topics covered include: zvs, zero-voltage switching, buck regulator, point-of-load, power solution, VR12, on-board power


Web Seminar: Best Practices Using DC-DC Bricks

Presenter: Marco Panizza, European Manager, Applications Engineering

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Description:
Aired May 2012

Marco Panizza shares the expertise and insight he has gained over more than 20 years supporting engineers designing power solutions. His presentation provides practical advice, hints and tips on how best to design power supplies using DC-DC converters. Using real examples, Marco takes you through basic requirements; electrical safety concepts; input impedance criteria; hold-up & in-rush current limiting; paralleling and redundancy; and remote sensing.


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