THE INNOVATIVE MEDIUM VOLTAGE CENTRAL STRING INVERTER
The Power Electronics HEM medium voltage inverter is designed for utility scale solar applications, that require the advantages of a central inverter solution but also the modularity of a string architecture. The HEM can reach up to a nominal power of 3.6MVA. It also has the added advantage of having an integrated medium voltage transformer and switchgear.
Its architecture, composed of six field replaceable units (FRU), is designed to provide the highest availability and optimize yield production. Its use in Utility Scale PV plants provides considerable savings in CAPEX, since having an integrated MV transformer and switchgear reduces the need of additional connections between the LV and MV sides.
Thanks to the Power Electronics iCOOL3 cooling system, the HEM is the first inverter able to provide IP54 degree of protection with an air cooling system, and as a result reducing OPEX costs.