Abstract
The objective of this paper puts forth the frequency regulation in the wake of load perturbation in a two-area microgrid in the presence of a classical fractional order controller. In this proposed model, various conventional and non-conventional sources are integrated. Sporadic nature of natural sources such as inconsistent wind speed, variant solar irradiance and variable active power injection creates problem in the frequency regulation of the ac microgrid. Other than this, low inertia of distributed generators (microturbine generator and diesel generator) or no inertia of energy storing elements invokes the stability problem against the perturbation of power injection or power demand. To overcome all these difficulties, proper and vigorous secondary controller is obligatory. Here, a fractional-order proportional-integral-derivative (FOPID) controller designed by symbiotic organisms search (SOS) algorithm is used. To approve the credibility of FOPID controller, its performance is contrasted with PID and type-2 fuzzy PID controller. Further, frequency regulation is introspected by injecting variable solar power, wind power and load which deliberate the robustness of the proposed controller.
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Jena, N.K., Sahoo, S., Naik, A.K., Sahu, B.K., Mohanty, K.B. (2021). Frequency Control of an AC Microgrid with Fractional Controller. In: Sharma, R., Mishra, M., Nayak, J., Naik, B., Pelusi, D. (eds) Green Technology for Smart City and Society. Lecture Notes in Networks and Systems, vol 151. Springer, Singapore. https://doi.org/10.1007/978-981-15-8218-9_24
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DOI: https://doi.org/10.1007/978-981-15-8218-9_24
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