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A new transient stability margin is proposed based on a new expression of dynamic security region (DSR) which is developed from the existing expression of DSR. Applications of the DSR based transient stability margin to contingency ranking and screening are discussed. Simulations in the 10-machine 39-bus New England system are performed to show the effectiveness of the proposed DSR based transient...
A new approach to solve stability-constrained optimal power flow (SCOPF) based on a novel transient stability margin and its sensitivities is proposed. The transient stability constraints originally represented by the differential-algebraic equations are converted to the inequality constraints of the transient stability margin and its sensitivities with respect to the control variables in this approach...
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