It operates on the principle of electromagnetic induction, where electrical energy is transferred to the rotor (rotating part) of the motor through electromagnetic fields generated by the stator (stationary part). Working principle diagram of high voltage cabinet energy storage motor. Enter the loader energy storage tank - the. What is a battery energy storage system? Battery Energy Storage Systems (BESS) can store energy from renewable energy sources until it is actually needed, help aging power distribution systems meet growing demands or improve the power quality of the grid. Some typical uses for BESS include: Load. This article aims to inform the reader about the applications, procurement, selection & design, and integration of BESS (battery energy storage systems) into LV and MV power networks. When kept in a magnetic field, a current-carrying conductor gains torque and develops a tendency to move.