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In order to cope with the impact of intelligent building-type virtual power plant on system frequency, this paper proposes a primary frequency control strategy. Firstly, a typical demand-side resource model of intelligent building-type virtual power plant is established, which considers the travel uncertainty of electric vehicles and resident’s comfort preference. Secondly, the control parameters of electric vehicles and air-conditioning loads are designed respectively, and a control strategy based on variable coefficient droop control is proposed. Finally, a simulation example verifies the effectiveness of the primary frequency regulation strategy, which can effectively reduce system frequency fluctuations while ensuring user demand.

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