engleski

Computation and Analysis of some Turbogenerator Parameters Using Finite Element Method

The paper describes a computation of reactances of a large turbogenerator using 2D finite element method with completely automated pre-processing. The results of computation obtained by 2D method are compared to the ones obtained by classical (analytical) method and to the measured values from tests carried out on a 194 MVA turbogenerator manufactured by “ KONČAR” d.d., Zagreb, Croatia. It appears that finite element method combined with analytical method gives more accurate results of synchronous transient and sub-transient reactances than analytical method and that the computation time can be quite acceptable.

turbogenerator; parameters; numerical computation; automatic pre-processing

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