Sub-harmonic Oscillations in Three-phase Circuit

Abstract

Sub-harmonic resonance in a three-phase circuit related with a power circuit with series capacitors is studied. The paper describes that the equations which govern the oscillations in the system are under some restrictions transformed to the form : and the internal resonance of this system is correlated with the sub-harmonic resonance which occurs in the original three-phase system. An analog computer study on this problem is included.