It functions by converting the electrical energy into kinetic energy increasing the rotor speed (like a motor) and then converts kinetic energy back into electrical energy causing the rotor to slow down (like a generator).
(kinetic energy; increasing; the rotor speed (like a motor) (It; converts; kinetic energy; back; into electrical energy; T:then)
kinetic energy It
increasing converts
the rotor speed (like a motor
kinetic energy back into electrical energy T:then