Abstract - This paper presents, an analytical linear statespace
model, of a Thyristor Controlled Series Capacitor (TCSC).
Firstly,, A simplified fundamental frequency model of TCSC is
proposed and the model results are verified. Using frequency
response. Of the non-linear, TCSC segment a simplified non-linear
state space model is derived where the, frequency of the
.Dominant TCSC complex poles shows linear dependence on the
firing angle. The non - linear element is linearised and linked. With
the AC network model and the TCSC controller model that also
includes a Phase Locked Loop model. The model is implemented
in. MATLAB and verified against PSCAD / EMTDC in the time
and frequency domains for a range of operating conditions. The
.Model is sufficiently accurate for most control design applications
and practical stability issues in the subsynchronous. Range.
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