power

Hi, We are currently looking at upgrading the IT infrastructure to include a small "UPS(Uninterrupted Power Supply) friendly" generator. The specs need to be, 1. pure sine-wave output 2. fuel injection powered (or diesel) 3. portable and storable 4. 3-4KVA So far we are looking at a couple...

The ARES (Advanced Rail Energy Storage) system uses a rock and concrete filled railcar to store renewable energy, later feeding it back in to the grid when demands requires. At times that energy generation exceeds demand, the electric motors in the railcar drag it up a 2,000 foot hill. When the...