Demand Response of a TCL population using Switching-Rate Actuation

Luminita Cristiana Totu, Rafal Wisniewski, John-Josef Leth

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Resumé

This work considers the problem of actively managing the power consumption of a large number of thermostically controlled loads (TCLs), namely a TCL population, and a case-study of household refrigerators. Control is performed using a new randomized actuation that consists of switching units on and off
at given rates, while at the same time respecting the nominal constraints on each individual unit. Both the free and the controlled behavior of individual TCLs can be aggregated, making it possible to handle a TCL population as if it were a single system. The aggregation method uses the distribution of the TCLs individual states across the population. The distribution approach has two main advantages. It scales excellently since the computational requirements do not increase with the number of units, and it allows data from individual units to be used anonymously, which solves privacy concerns relevant for consumer adoption.
OriginalsprogEngelsk
TidsskriftI E E E Transactions on Control Systems Technology
Vol/bind25
Udgave nummer5
Sider (fra-til)1537 - 1551
ISSN1063-6536
DOI
StatusUdgivet - sep. 2017

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Refrigerators
Electric power utilization
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Demand Response of a TCL population using Switching-Rate Actuation. / Totu, Luminita Cristiana; Wisniewski, Rafal; Leth, John-Josef.

I: I E E E Transactions on Control Systems Technology, Bind 25, Nr. 5, 09.2017, s. 1537 - 1551.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Demand Response of a TCL population using Switching-Rate Actuation

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AU - Wisniewski, Rafal

AU - Leth, John-Josef

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AB - This work considers the problem of actively managing the power consumption of a large number of thermostically controlled loads (TCLs), namely a TCL population, and a case-study of household refrigerators. Control is performed using a new randomized actuation that consists of switching units on and offat given rates, while at the same time respecting the nominal constraints on each individual unit. Both the free and the controlled behavior of individual TCLs can be aggregated, making it possible to handle a TCL population as if it were a single system. The aggregation method uses the distribution of the TCLs individual states across the population. The distribution approach has two main advantages. It scales excellently since the computational requirements do not increase with the number of units, and it allows data from individual units to be used anonymously, which solves privacy concerns relevant for consumer adoption.

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