Abstract
This paper considers installation of FACTS devices in a 500 kV line of substation (SS) Belozerskaya SS Vologodskaya. Three FACTS devices in emergency mode were modelled: a static reactive power compensator (STATCOM), a static synchronous series compensator, and a unified power flow control system. The parameters of MATLAB Simulink blocks were shown. The obtained results are summarized in Table, which substantiates the choice of the best device for the Belozerskaya - Vologodskaya line in emergency mode.
Highlights
Electricity is an integral part of our modern world
Static synchronous series compensator (SSSC), one of the key FACTS devices, consists of a voltage converter and a transformer connected in series with electric power transmission line
When static reactive power compensator (STATCOM) is operating in normal mode, at t=0.2-0.4 s, when the line voltage drops and power decreases, the reactive power increases to compensate losses, whereas for the emergency mode it decreases together with active power
Summary
Electricity is an integral part of our modern world. It helps us to use a variety of electrical devices that make the life more comfortable. A number of experts claim that increasing the controllability of grids is a low-budget alternative to building new power lines. Active electro-technical network equipment (FACTS) is capable of flexibly change the characteristics of electric power transmission or conversion in order to optimize grid modes at once according to several criteria: throughput, technological loss level, stability, redistribution of power flows, power quality, etc. FACTS devices enable successful compensation of reactive power in the power grid, and adequate response to abnormal conditions in it. Thanks to these parameters, flexible AC transmission systems are one of the best devices to be installed in line
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