As of mid-September 2017, grid-tie (GT) wind inverters for the US market are no longer being sold by any manufacturer in the US, Europe or Asia. The same is true for the high quality permanent magnet generators (PMGs) we have been using in our turbines.
WWE chooses to externally source these components because those offered by other small wind manufacturers are 1) proprietary devices, 2) typically developed in-house, 3) used with one specific turbine design, and most importantly 4) tend to lag behind technological advances in the global power electronics and generator market.
Because we want WWE systems to be reliable, cost-effective, not-to-mention readily available, we now source components only from time-tested manufacturers who won’t be pulling out of the US market. As such, all our wind systems now provide a primary off-grid (OG) solution that can also interact with (sell back to) the utility grid if it’s available. This approach utilizes battery storage (Li-ion, NiFe, AGM), advanced wind MPPT charging, and US-made OG inverters with GT capability. With this new power architecture, adding wind and battery backup to your new or existing solar system to create a turn-key on/off-grid hybrid system is simple. The whole concept is known as DC-coupling. Ask us about this!
Despite these changes, our core technology – advanced turbine control with Active Furling (AF) – remains unchanged. We are dedicated to building the world’s most intelligent turbines, and our commitment to clean, small scale wind energy technology is undaunted. We are now accepting pre-orders for our 2 kW system – the W2 – and look forward to hearing from interested end-users, installers and distributors – like you! Our prototype W2 turbine is pictured below.