Experimental analysis of flexibility change with different levels of power reduction by demand response activation on thermostat controlled loads

Venkatachalam Lakshmanan, Mattia Marinelli, Junjie Hu, Henrik W. Bindner

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    Abstract

    This paper studies the flexibility available with thermostatically controlled loads (TCLs) to provide
    power system services by demand response (DR) activation. Although the DR activation on TCLs can
    provide power system ancillary services, it is important to know how long such services can be
    provided for when different levels of power reduction are imposed. The flexibility change with
    different levels of power reduction is tested experimentally with domestic fridges used by real
    customers with unknown user interaction. The investigation quantifies the flexibility of household
    fridges and the impact of DR activation in terms of deviation in the average temperature. The
    maximum possible power reduction with the cluster of refrigerators is 67% and the available
    flexibility with the cluster of refrigerators is 10%. The resulting deviation in the average temperature
    is 14%.
    Original languageEnglish
    JournalElectric Power Components and Systems
    Volume45
    Issue number1
    Pages (from-to)88-98
    ISSN1532-5008
    DOIs
    Publication statusPublished - 2017

    Keywords

    • Controllable load
    • Demand Response
    • Demand side management
    • Domestic energy resources
    • Flexible electricity demands
    • Smart grid

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