self-excite

verb2

1. •
   To energize or excite (the field magnets of a dynamo) by induction from the residual magnetism of its cores, leading all or a part of the current thus produced through the field-magnet coils.

   • The induction generator can self-excite using the external capacitor only if the rotor has an adequate remnant magnetic field. — 2005
2. •
   To self-generate a state of excitation.

   • When both neurons self-excite themselves and have the same mutual interaction pattern, the mechanism of creation of a new attractive fixed point is shown to be that of saddle node bifurcation. — 2019