India’s Polycab has unveiled compact, lightweight grid-tie string solar inverters with power outputs ranging from 1 kW to 5 kW.
From pv magazine India
India’s Polycab has unveiled its PSIS series of grid-tie string solar inverters, with power outputs ranging from 1 kW to 5 kW.
The 4 kW and 5 kW devices have a maximum conversion efficiency of 98.1% and a European efficiency of 97.3%. The 3 kW products have a maximum efficiency of 97.5% and a European efficiency rating of 96.8%. The 1 kW, 1.5 kW and 2 kW inverters have respective efficiencies of 97.2% and 96.5%
The maximum DC input voltage is 600 V, with a startup voltage of 60 V to 120 V. The MPPT tracking voltage ranges from 50 V (DC) to 500 V.
The inverters are transformerless and come with built-in multiple protection levels, export power management for export control, and total harmonic distortion below 1.5%. They include RS-485 connectors and optional Wi-Fi/GPRS/LAN interfaces for remote monitoring.
The inverters weigh between 7.4 kg and 11.5 kg. They come with a five-year warranty, extendable up to 20 years.
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