Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15924
Title: Control strategies for variable speed pumps in super high-rise building
Authors: Wang, S 
Ma, Z
Issue Date: 2010
Publisher: American Society of Heating, Refrigerating and Air Conditioning Engineers
Source: ASHRAE journal, 2010, v. 52, no. 7, p. 36-43 How to cite?
Journal: ASHRAE journal 
Abstract: A proposed alternative control strategy is implemented on site and compared with the original control strategy for variable speed pumps in a Hong Kong based 1,608 ft high-rise building with a floor area of 3.4 million ft 2. The results from the site tests and simulation study showed that significant chilled water pumps energy can be saved when using this alternative control strategy. Compared with the original control strategy, about 12.02% to 16.01% of the energy of the pumps distributing water to heat exchangers can be saved when the alternative control strategy is used. The annual energy saving of all variable speed primary pumps in the building by using the alternative control strategy is found to be about 251,869 kWh. Over several months, the site application of the alternative control strategy demonstrated that it can provide stable and reliable control in practical applications.
URI: http://hdl.handle.net/10397/15924
ISSN: 0001-2491
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