Featured in Triple Green – 01-2010

Less hum, more efficiency

Inverter technology: Inductors smooth output voltage and current in inverters. They have to be small and lightweight, and inverter efficiency depends not least on inductor quality. Inductor manufacturers have thus begun to cater to the special demands of the photovoltaic industry in recent years.

Even people unfamiliar with inductors have probably heard them often. If a humming sound comes from the basement where the inverter is installed, the inductor is usually to blame. But the sound is not the only annoyance; inductors also cause electrical losses. That’s where Stefan Schauer comes in. “At the moment, we’re introducing new materials …

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