Trends And Challenges In High-Voltage Power Supply Design

Focus:

High voltage (HV) power supplies represent a distinct segment within the merchant power supply market with a relatively small number of companies serving this niche. But despite this niche label, HV power supplies serve a rather diverse set of applications across a wide range of voltage and power levels. X-ray, ion beam implantation, electron microscopy, mass spectrometry, medical laser, electron beam welding, and thermal printing are just a few of the many areas requiring these specialized supplies. The HV power supplies also encompass a wide range of voltage and power levels, employ different communications protocols, have electronics floating on HV outputs, and incorporate special protection features. Naturally, the design of these HV power products requires very specialized knowledge. Earlier this year I spoke with Dave Hopkins, director of engineering at HiTek Power about the various technical trends and challenges encountered in the development of HV supplies. He provided his insights on the technical, application, and engineering factors that influence HV power supply development today including the impact of new technologies such as digital control methods and silicon carbide semiconductors.

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Author & Publication:

David G. Morrison, How2Power Today, Power Supply Jobs & Technology section, How2Power Today, Nov 15 2013

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