Prediction strategies for smooth set point modulation to improve sensitive DER response

Syed, Mazheruddin H. and Guillo-Sansano, Efren and Mehrizi-Sani, Ali and Burt, Graeme M.; (2020) Prediction strategies for smooth set point modulation to improve sensitive DER response. In: 2020 IEEE Power & Energy Society General Meeting (PESGM). IEEE, CAN. ISBN 9781728155098 (

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Power systems have been historically expected to operate in a plug-and-play fashion. While in the conventional power system, because of its ample inertia and large generators, frequent small changes in the system may not pose any significant challenge. Moving forward, as (i) the system gets smaller (microgrids) or (ii) the resources become more sensitive to changes (power electronics–based inverters), the need to ensure that the system dynamics are regulated increases to avoid apparatus malfunction, dynamic response challenges, and protection issues. Set point automatic adjustment with correction enabled (SPAACE) is an add-on strategy to improve the performance of an existing controller when the controller itself is black boxed—a common scenario with inverters associated with utility-installed renewable systems. This paper implements a smooth variant of SPAACE in an experimental test bed to evaluate the performance of a proposed linear prediction strategy in several scenarios. This new strategy allows for simpler and faster implementation of SPAACE in practical systems.