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A Hybrid Cooling System for Telecommunicatioin Base Stations
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2016 (English)In: 2016 IEEE International Telecommunications Energy Conference (INTELEC), Institute of Electrical and Electronics Engineers (IEEE), 2016, article id 7749149Conference paper, Published paper (Refereed)
Abstract [en]

Huge amount of energy is consumed by a typical telecommunication base station in order to keep the indoor climate temperature low enough to avoid any damage to IT/electronic equipment. By increasing the number telecommunication base stations applying more energy efficient cooling strategies are urgently needed. Free cooling either in direct approach (e.g. extracting fresh air), or indirect approach (e.g. thermosiphon or air to air heat exchanger) is a well-proven strategy to reduce the total power consumption for cooling telecommunication base stations. This article proposes a hybrid cooling system, which is an integrated vapour compression unit with a thermosiphon unit in a single frame. In such a hybrid system the indoor air circulates through a closed loop with minimal interaction with the outdoor air. This article suggests a model to control and estimate the potential of energy savings by a hybrid cooling system. Based on the results for an indoor temperature set point of 25 degrees C the cooling load provides by the hybrid system can be divided among three different operating modes: 0-59% ( thermosiphon), 12-41% (dual mode), and 12-88% (air conditioning) depending on the location of the base stations.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. article id 7749149
Series
International Telecommunications Energy Conference-INTELEC, ISSN 0275-0473
Keywords [en]
Free cooling, air conditioning, thermosiphon, hybrid cooling, energy model, Telecommunication Base Station (TBS)*, Base Transceiver Station (BTS)*
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-199799DOI: 10.1109/INTLEC.2016.7749149ISI: 000390110400064Scopus ID: 2-s2.0-85002604828ISBN: 978-1-5090-1876-5 (print)OAI: oai:DiVA.org:kth-199799DiVA, id: diva2:1066952
Conference
IEEE International Telecommunications Energy Conference (INTELEC), OCT 23-27, 2016, Austin, TX
Note

QC 20170119

Available from: 2017-01-19 Created: 2017-01-16 Last updated: 2017-03-01Bibliographically approved

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CiteExportLink to record
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