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Tag: active front end

Grid connectivity part 2 – supporting vs. maintaining the grid

Timo Alho 2017/03/22 2021/01/08
Danfoss_active_front_end_896_601

Grid operations on a very high level can be divided into two distinctly different operations: either the grid tied inverter is supporting the grid or actively maintaining it.

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It’s a harsh world… part 12 – Drives vs. Noisy environments

Abraham González Ponce 2016/10/11 2021/01/08
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When it comes to the world of AC drives, there are two variations on the topic of noise: audible noise, typically generated by cooling fans, and electromagnetic noise emanating from the AC drives on various frequency bands.…

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Harmonic Mitigation – Are You Using the Best Method?

Peder Wale 2015/05/20 2021/01/08

The so-called AFE (active front end) technique has rapidly become popular when the target is low harmonic levels. This article however challenges AFE as the most frequently used solution for harmonic dampening. Should you care about harmonics?

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