US 11,785,749 B2
Method of controlling cooling in a data centre
Winston Garcia-Gabin, Solna (SE); and Kateryna Mishchenko, Västerås (SE)
Assigned to ABB Schweiz AG, Baden (CH)
Appl. No. 17/266,830
Filed by ABB Schweiz AG, Baden (CH)
PCT Filed Aug. 13, 2019, PCT No. PCT/EP2019/071648
§ 371(c)(1), (2) Date Feb. 8, 2021,
PCT Pub. No. WO2020/035471, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 18188846 (EP), filed on Aug. 14, 2018.
Prior Publication US 2021/0352831 A1, Nov. 11, 2021
Int. Cl. H05K 7/20 (2006.01); G06F 1/20 (2006.01)
CPC H05K 7/20836 (2013.01) [G06F 1/206 (2013.01); H05K 7/20172 (2013.01); H05K 7/20209 (2013.01); H05K 7/20745 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of controlling the cooling of servers in a data center comprising a plurality of server racks each including a plurality of servers, the cooling being provided by aisle cooling units via a cold aisle and by server fans, wherein the method comprises:
obtaining temperature measurements from temperature sensors in the data center,
performing an optimization of the total power consumption of the aisle cooling units and of the servers based on the temperature measurements, with constraints on a cold aisle temperature and on an air flow level of the aisle cooling units, the optimization being a multi-objective including only two objectives of which is a first objective is a power consumption of the aisle cooling units and a second objective is a power consumption of the servers, and
controlling the aisle cooling units by providing set points based on the optimization to one or more controllers, the set points being configured to adjust the cooling provided by the aisle cooling units;
wherein the method further includes prior to the step of optimization, performing an initial single objective optimization of each of the first objective and the second objective separately to obtain a minimum for each of the first objective and the second objective.