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Solutions


Renewable Power Monitoring


Monitor high emission of voltage/current harmonics and inter-harmonics

Renewable energy sources, such as photovoltaic power systems and wind turbines, have special power quality issues. For instance, photovoltaic inverters can interact with existing network components leading to resonance phenomena. High harmonic levels in renewable energy grids are also well-known. High emission of voltage/current harmonics and inter-harmonics is one of the central power quality issues in renewable energy applications. SATEC has gained more than twenty years of experience in power quality solutions. On the basis of this experience, SATEC proposes the following solutions for renewable energy customer applications:

PM175

PM175

PM175 is a power quality analyzer according to EN 50160. This instrument is the ultimate harmonic analyzer including individual voltage/current harmonics up to 50th, voltage/current THD, current TDD, K-factor, and inter-harmonics THD. Directional power harmonics can be evaluated by PAS PC software.


EM720 eXpertMeterâ„¢

EM720 eXpertMeterâ„¢

The EM720 eXpertMeterâ„¢ is SATEC's state of the art grid meter with power quality analysis performed according to the methods required by IEC 61000-4-30 Class A. The EM720 is the ultimate metering and power quality solution for renewable energy generating facilities. It provides harmonic and inter-harmonic voltages/currents according to IEC 61000-4-7 Class I as well as voltage/current THD, current TDD, and K-factor. Directional power harmonics can be evaluated by PAS PC software.


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