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Protection and Control of Modern Power Systems
Fig. 9 | Protection and Control of Modern Power Systems

Fig. 9

From: Adaptive fractional integral terminal sliding mode power control of UPFC in DFIG wind farm penetrated multimachine power system

Fig. 9

The response of the proposed and conventional controls of the admittance model of the UPFC for a three phase to ground fault at time t = 1.47 s (operating point ‘A’) on the bus 7 of the test system as shown in Fig. 5, with a lower penetration of the DFIG wind farm which is subjected to a variable wind speed (Fig. 6), where, a the admittance of the UPFC at bus ‘m’ in p.u., b the admittance of the UPFC at bus ‘n’in p.u., c the active power injection of the DFIG (p.u.), and d the interarea oscillation between the generators ‘1′ and ‘4′ in Rad/s, respectively

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