Delta introduces M80U Photovoltaic (PV) inverter Updated On Wed, May 18th, 2016 by Saurenergy Delta has introduced M80U Photovoltaic (PV) inverter. The company is touting it as the world’s first wall mount 80kW string inverter. The M80U is a grid-tied, 3-phase and transformerless inverter that converts direct current (DC) output from a photovoltaic system into a utility frequency alternating current (AC) with efficiency of 98.8 percent, allowing it to […] Read more