To the Investigation of the Parameters Influence Over the Welding Asynchronous Self-Excited Generator with Distributed Windings on its External Characteristics

The purpose of this article is to investigate the influence of the electrical equivalent circuit parameters of a welding asynchronous self-excited generator on its external characteristics. Into the study, the methods of the general theory of the electrical circuits sensitivity were used. It is established that the external characteristics of the welding asynchronous self-excited generator is mainly affected by the capacitive resistance of capacitors and compounding capacitors. Namely, the welding current is increasing with the value augmentation of the compounding capacity in the phase generator. With a capacitive resistance of the compounding capacity X
^'
_C2
=0, the rated welding current is extended to 23 relative units or in 31 times. Following the study results of the capacitive resistance effect of the compounding capacitors the authors have made a conclusion on the desirability complete elimination of the compounding capacitors from the welding asynchronous self-excited generator circuit.