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The multi-exponential MOA model currently used to simulate switching transients (current model) approximates the V-I characteristic of a MOA with several exponential segments. A test case illustrates a numerical oscillation caused by this model. The source of the oscillation is identified as the value jump of the derivative of the approximating function at the boundary point of adjacent exponential...
In this paper, nonlinear phenomenona such as Hopf bifurcation, chaos, and asynchronous operation of a simple power system are explored. First, taking into account the nonlinearity of the generator shaft and the interaction of mechanics and electrics in the generator sets, we get a transient model by combining Park equations and mechanics equations. Then the Hopf bifurcation, period doubling bifurcation,...
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