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 ft2. 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.
|Number of pages||8|
|Publication status||Published - 1 Jul 2010|
ASJC Scopus subject areas
- Building and Construction
- Mechanical Engineering