Lightning protection systems for biogas plants

  Complex and cost-intensive plants with fully automated processes are required to generate useable final products from biomass. A volatile mixture of gas and air is formed in the vicinity of fermentation and gas tanks, which can therefore be classified as potentially explosive atmospheres. Consequently, reliable protection concepts are required to ensure permanent availability and […]

Data transparency optimises energy management

  The drying and processing of wood requires a lot of energy. Holzwerke Weinzierl, a timber processing company in Germany nevertheless manages to generate more power than it consumes. The basis for this achievement is a modern energy management system which uses power measurement terminals and embedded PCs to make the plant’s energy use transparent […]

Preventing PID in transformerless PV inverter installations

  Reduced power output in PV modules due to Potential Induced Degradation (PID) is something whose importance has resurfaced in recent years due to the introduction of increased module sensitivity and higher system voltages. The phenomenon reduces the output power of a PV module after just a few years of service (Fig. 1) and the […]

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