Parallel operation of self-excited induction generators

This paper discusses steady state analysis and performance characteristics of three-phase self excited induction generators operating in parallel and supplying a balanced load. It is shown that induction machines with similar or different parameters and speeds can be operated in parallel and their steady state performance characteristics can be accurately predicted using the proposed method. The performance characteristics of such machines are influenced by the excitation capacitance, load resistance as well as speeds and parameters of the individual machines. Typical cases have been investigated for a number of test machines operating in parallel. Predictions of the proposed method have been verified experimentally