Abstract
AbstractMost electrical power engineers involved with the planning and designing of power station auxiliary power supply systems are faced with the problem of credibility of the electromechanical transients programs offered as supplementary aid in fulfilling their jobs. These programs contain a variety of mathematical models of electrical power system components, which can be combined to constitute the electrical system being analysed. Most simulation programs have been tested on a number of theoretical cases and the results compared to those of other similar computer programs. This is due to the general lack of‐ and difficulties in achieving ‐ field measurements of reproducible electromechanical transients in fully known power subsystems. Such field measurements of a slow busbar switching in the auxiliary system of a modern power station unit are presented and compared to the computational results obtained by simulating the incident using the SETPOS electromechanical transients program.
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