In this paper we present a possibility of modeling the Static Synchronous Series Compensator (SSSC) in the load flow problem as power injections at the nodes of the line into which it is inserted. The power injections representing the SSSC are used as inputs in a power flow calculation. Upon solving the power flow calculation, without an SSSC device, a mismatch vector, consisting of SSSC requirements is obtained. The power injections representing the SSSC device are then updated so as to minimize the mismatch vector in accordance with first order sensitivity and the load flow calculation is restarted with newly obtained injections. Convergence of this procedure is obtained when the mismatch vector after a power flow calculation is sufficiently small.

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