What is the energy efficiency of the GTX?
Average power consumption (standby loss) is less than 250 watts (i.e. 0.13% of 200 kW). Conventional flywheel systems use much more: 2,000 to 3,500 watts. This poor energy efficiency alone will increase utility bills by thousands of dollars per year for each flywheel deployed. The high efficiency of the GTX is due to Pentadyne’s technological choices including: • operating the flywheel system within a high vacuum • using zero-drag magnetic levitation • high-efficiency synchronous reluctance motor-generator • having a liquid coolant system that activates only at higher temperatures (i.e., only if the system has performed a deep discharge or several partial discharges in frequent succession).
