A Hybrid Computer Study of a DC Power System: II

Abstract
In this paper the hybrid computer-is-used-to-study dc power system consieing-of a 2-wire transmission system and two 12-phase converters with ground return. This work is an extension of the hybrid computer study of a 6-phase, 2-wire dc system which was reported in Part I of this paper.[2] Several features of a dc power system are presented including a comparison of results obtained from the hybrid computer study and those obtained using the University of Wisconsin ac/dc system simulator for a line-to- ground fault. It appears that the hybrid computer may be used to advantage in studying the effects of ac or dc system disturbances as well as the feasibility of any type of converter control system. Moreover, the simulation techniques presented in this paper may be extended to include a 3-phase transmission system whereupon the hybrid computer may be used to study electrical transients in ac power systems.

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