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access icon openaccess Very-short-term multi-energy management system for a district heating plant enabling ancillary service provision

This is an open access article published by the IET and Tianjin University under the Creative Commons Attribution-NoDerivs License (http://creativecommons.org/licenses/by-nd/3.0/)
Received 16/07/2019, Accepted 09/03/2020, Revised 07/02/2020, Published 13/03/2020

The study proposes the simulation study of a district-heating (DH) plant, located in the north of Italy, to provide automatic Frequency Regulation Reserve (aFRR). This work was carried out in the MAGNITUDE European project and consisted to model and simulate the plant. In particular, the plant devices were designed by grey-box models to replicate the behaviours. Also, the DH-network and the heat demand were modelled as functionality coupled to the device models. A multi-energy system (MES) plant manager coordinates the DH devices in a very short-term time interval while approaching and providing ancillary services. The designed models were simulated to replicate the basic behaviours of the plant. The outcomes were compared against the real plant time-series data set, showing a very good fitting. Afterwards, the plant provision of the aFRR market service was simulated. The results obtained showed how the coordinated devices satisfy the strict aFRR real-time constraints while supplying the DH-demand. The gained results go beyond the simulation case performed and suggest a two-fold perspective: the regulation has to pay greater attention to the amount of reliable regulating reserve arising from DH-MES and the DH-operators can increase the available resources to operate the plants.

Inspec keywords: cogeneration; energy management systems; district heating; building management systems; time series

Other keywords: DH-MES; ancillary service provision; DH-operators; MAGNITUDE European project; DH devices; device models; multienergy system plant manager; FRR real-time constraints; plant provision; FRR market service; heat demand; coordinated devices; short-term time interval; short-term multienergy management system; plant time-series data; district-heating plant; plant devices; ancillary services; automatic frequency regulation reserve; grey-box models; reliable regulating reserve; DH-demand; DH-network

Subjects: Control of electric power systems; Power system management, operation and economics; Other topics in statistics; Space heating; Other topics in statistics

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