Environmental Requirements for COTS Power Supplies

This post, the third in the series about requirements for COTS power supplies, describes tests that ensure that the equipment is properly designed to meet the environmental conditions that it may face during its service. Many of these tests are very stringent: if these demanding requirements must be met, then often a custom solution is likely to be required.

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White Paper: Leveraging Bus Converters in Regulated DC-DC Applications

White Paper: Leveraging Bus Converters in Regulated DC-DC Applications

This paper, presented at PCIM 2014 by David Bourner, one of our applications engineers, provides a comparison between Factorized Power Architecture (FPA) and the Yeaman Topology in a regulated, high density DC-DC application. It describes a variant on FPA that utilizes a Power Component Methodology, and compares FPA solutions against the Yeaman Topology. A description of the investigation methods used and outcomes of various tests to establish performance metrics follow. Practical aspects of applying power components to both FP and YT architectures are followed by a summary of salient attributes...

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Stephen Oliver to Present PSMA Power Technology Roadmap Webinar

Stephen Oliver to Present PSMA Power Technology Roadmap Webinar

Stephen Oliver, Vice President at Vicor’s VI Chip division, will present a webinar entitled High Voltage (HVDC) Distribution & Conversion in Datacenters, Aerospace, Microgrids & Transportation on Thursday, 10 July at 11am Eastern (4pm UK, 8am Pacific).

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Analyze new DCMs’ Performance with PowerBench Whiteboard

Analyze new DCMs’ Performance with PowerBench Whiteboard

We have added the new DC-DC Converter Modules (DCMs) to the portfolio of devices available on the Powerbench™ Whiteboard, allowing you to optimize and analyze power chains using these new components.

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Back to Basics: Using Hot Swap to Minimize Downtime

Back to Basics: Using Hot Swap to Minimize Downtime

Given the critical role of modern telecommunications and data communications equipment, maximizing its online availability must always be the first priority. Clearly, any equipment’s availability depends critically on that of its power supply. Fortunately, close to zero power system downtime can be effectively achieved by combining two techniques – redundancy and hot-swapping. In this back-to-basics post we will see how these work together, and how systems can be designed for hot swapping. Consider for example a rack-mounted telecommunications system comprising modules plugged into the rack’s backplane, with a total...

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Video: a Simpler Way to Design and Analyze Your Power Systems

The Powerbench™ Whiteboard is our tool to help you design and analyze your power systems quickly and easily. This video demonstrates how the Whiteboard replaces conventional sketching and manual calculations with an intuitive interface that lets you design and build power chains to meet the requirements of your application. You can also learn how the analysis function calculates efficiency, output power and current with a simple click of a button. Watch this video to see how the Vicor PowerBench Whiteboard will simplify and speed up your power system development.

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EMI Requirements for COTS Power Supplies

This is the second in a series describing the requirements that must be met when developing COTS power supplies. At Vicor, we manufacture a range of COTS power components as well as complete COTS power supplies that are available from our Westcor division. A key requirement is for these products to meet Mil-STD 461, which defines the EMI performance that must be achieved.

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