Research Article

A Sequential Generation Redispatch Algorithm to Ensure Power System Small Signal Stability under Low-Frequency Oscillations

Algorithm 1

Proposed sequential method.
Input:
 = Initial operating condition from conventional OPF
: Desirable SSS level
: Power rescheduling coefficient
(1)Execute small signal stability analysis at
(2)
(3)while
(4)Use the sensitivities to determine and
(5)Use the sensitivities to determine and
(6)Solve optimization problem given in (27)
(7) solve power flow equation given in (28)-(29)
(8)Execute small signal stability analysis at
(9)
(10)end while
Output:
: desired operating point from proposed method