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Three Phase Filter (no neutral line) for Renewable Energy (Wind Generation)

16th November 2011

ES Admin

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Renewable energies are now becoming an ever-growing alternative to generating electricity. This is the case of power generation through windmills. The power injection on the network must be done cleanly; this means that the power generating must inject it with RF noise free. The radio frequency noise that typically range from 10kHz to 30MHz is unintentionally injected into the network and therefore requires the use of an appropriate filter element: this is both the desired frequency range, such as attenuation and current capacity required.

Premo has developed a HCWMGF-series of filters for applications in renewable energy equipment, UPS, inverters and power inverters, with a maximum operating voltage up to 720Vac.

Main characteristics:

Three phase filter of three stage (high performance)

Insertion loss above 40dB in the whole range (reaching 80dB between 200kHz & 1MHz)

Dielectric Strength above 3000Vdc

Flamability UL94 V2.

HCWMGF series is available in three phase version L1, L2, L3 (without neutral) from 150A to 2500A, with power losses less than 0.02%.

PREMO EMC has a long experience in the development of filters in both DC and AC single and three phases.

All PREMO filters have been developed taking into account the specific needs of the application they are intended, in terms of attenuation levels, volume, weight, connections, mechanical shape, etc. In collaboration with Development Centers, Universities, Suppliers and Customers, PREMO has incorporated into its design innovations and new magnetic materials to provide results that fully meet customer needs and requirements.

Premo EMC, has a fixed and a mobile laboratory for EMC testing machines / facilities to its customers and EMC solution for compliance with specific regulations to be applied.