December 24, 2014 by
This article was originally published in 2010. It is part of the ELMG redux series of articles that will be republished over the summer. These articles cover subjects in and around digital control of power electronics. Redux – Safety Critical Digital Control – Planes in Fog Just before Christmas 2006 I spent sometime (24 hours) in Copenhagen […]
Read the full articleDecember 8, 2014 by
The choice of control processor for your digital power converter is the most critical. Which one should you choose from the multitude of available options? A good lunch is all it takes An engineer at our recent digital control course told me that the answer at his company was all about whether the FAE had […]
Read the full articleNovember 21, 2014 by
With inverter grid synchronisation the key problem is that the grid frequency can vary. In fact the frequencies of AC systems around the world are different and they are also constantly changing. This makes it a challenge to connect renewable generation to the network. AC System Frequency Aircraft AC systems run at 400Hz three phase. They […]
Read the full articleOctober 10, 2014 by
Keith Armstrong is coming to New Zealand and Australia to give EMC and safety training. Is EMC for Digital Control different? EMC is one of the things that needs to be taken care of in power electronics. Switching can be noisy and can create fast changing electric fields. Power converters can have currents with high […]
Read the full articleAugust 7, 2014 by
Google are always shaking things up. And they are shaking the digital power electronics and low power loss converter space with this competition. For those of you who don’t know, the Little Box Challenge is a competition where you can win $1 Million USD for creating a 2kVA inverter with a power density of 50W […]
Read the full articleMay 12, 2014 by
The main and key reason that digital control of power electronics and power converters is a good way forward is that it provides flexibility. And flexibility is useful for a number of reasons. The first is that the function of the product can be changed by changing the firmware or the software. There is always verification […]
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