HOW THE HNEA WORKS
Emergency power systems are indispensable when it comes to maintenance work on the power grid or the power supply of construction sites, hospitals, data centres and much more. While conventional systems often run under partial load, diesel engines are constantly in operation, causing continuous noise, consuming a lot of diesel and producing CO2 emissions. Jost AG Energietechnik partnered with BKW Energie AG and others to develop an entirely new kind of hybrid emergency power system.
The hNEA consists of a diesel engine with generator, a battery storage system, two inverters and a transformer. The electricity generated by the diesel engine and generator is stored in the battery. When the battery is full, the diesel engine is switched off and the battery power is fed into the grid. The diesel engine only starts up again when the battery charge level falls below a defined value. However, the battery can also be recharged using surplus energy from the connected energy generation plants, enabling this energy to be used in a way that makes sense both economically and environmentally. The hNEA is ideal for use in rural areas with short peak load phases or for use on construction sites.