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Unformatted text preview: ed exclusively to functional equipment categories such as lighting
and the HVAC system, most others monitor high level distribution nodes within the substation, and
thus tend to aggregate the data on dozens or even hundreds of equipment loads2
The methods of electricity measurement listed are far from exhaustive, but were the primary methods
used for this thesis. Table 4.1 displays the features of each approach. In general, the less expensive,
less capable meters were used to measure low-power, low complexity equipment, while the more
expensive meters were used to measure high power, high complexity equipment. In all, the electricity
usage of 64 pieces of individual equipment was measured using portable meters or estimated using
other techniques during the study period, including eight weeks of data logging during continuous
operating time for eight high energy intensity pieces of equipment. In addition, the previously
installed network of circuit monitors and Enercept meters provided an additional two years of raw
energy consumption data for analysis. 4.2.2 Other Data A variety of other dat...
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This document was uploaded on 03/03/2014 for the course ADMIN 1 at Universidad Nacional de Colombia.
- Spring '14