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Fronius and Victron Energy are now extending their collaboration to the Indian Subcontinent.

Fronius and Victron Energy are now extending their collaboration to the Indian Subcontinent.

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As a “first” in India the two European heavy weights in solar electronics have joined hands in a show case project in the International Township of Auroville, Tamil Nadu.

This combination of grid-tie and battery inverter promises to deliver the best of both worlds in terms of conversion efficiency from the PV array coupled on the AC bus with a sophisticated battery management backup system.

In normal operation the plant feeds energy in to the local grid through the Victron Inverter/charger which acts as a watchdog on the supply line, thus making sure that voltage and frequency are within a set window and the battery is fully charged.

In the event of a power interruption the change-over switch inside the VE inverter/charger changes the source of energy from grid to battery within milliseconds allowing the PV inverter to re-synchronise and continue to produce energy, supplying the on-site loads and feeding excess energy back to the battery. In case of a fully charged battery and no takers for PV energy on the local load side the inverter/charger signals this saturation condition to the PV inverter via frequency droop, a slight increase of operating frequency resulting in a proportional reduction of power output.

All data of PV production, load and battery condition can now be conveniently monitored on the local colour display or via the Internet through an app on various operating systems – anytime, anywhere.

 

Anand Gupta Editor - EQ Int'l Media Network

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