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Load Frequency Control of Interconnected Power System by Conventional and Facts Devices

Sukhvir Singh, Simarpreet Singh

Abstract


The stability of power systems has been and continues to be of major concern in system operation. Modern electrical power systems have grown to a large complexity due to increasing interconnections, installation of large generating units, and extra-high voltage tie lines, etc. Transient stability is the ability of the power system to maintain synchronism when subjected to a severe transient disturbance, such as a fault on transmission facilities, sudden loss of generation, or loss of a large load. Various devices are used to overcome the frequency deviation; here we will use superconducting magnetic energy storage (SMES) and static synchronous series compensator (SSSC) devices with proportional integral derivative controller to control the frequency of two interconnected power systems. In this paper, SMES systems are used to suppress such frequency oscillation that results in load variation between two-area interconnected systems.

Keywords: automatic generation control (AGC), load variation, proportional integral derivative controller (PID), SMEC, SSSC

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