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The paper researches the powerful activity of both static simultaneous compensator (STATCOM) and static coordinated series compensator (SSSC) in view of another full model containing a 48-beat door switch off thyristor voltage source converter for joined responsive power pay and voltage adjustment of the electrical matrix net work. The total computerized reproduction of the STATCOM and SSSC inside the power framework is acted in the MATLAB/reenactment climate utilizing the power framework block set (PSB).The STATCOM conspire and the electrical matrix network are displayed by unambiguous electrical blocks from the power framework block set, while the control framework is demonstrated involving simulink. Two regulators for the STATCOM and SSSC are introduced in this paper in view of a decoupled with voltage and flow control methodology. The presentation of both STATCOM and SSSC plans associated with the 500-kv framework are assessed. The proposed to guarantee the steady activity of the STATCOM under different burden conditions. it is shown that stage locked loop(PLL) innate deferral significantly affects dynamic activity of SSSC and new assistant controller is proposed to improve the unique exhibition of the SSSC. the proposed control plans are approved by advanced recreation.