Results of Laboratory Testing of Advanced Power Strips Lieko Earle and Bethany Sparn, National Renewable Energy Laboratory ABSTRACT The ever-increasin
Device 9 is an IR-sensing APS that is intended for AV use. Power to the peripherals is shut off automatically if the APS does not detect a remote cont
computer is detected via USB alone. However, using a USB port for power sensing does not reliably detect standby mode for all types of computers. Con
Plans for further testing in our laboratory are underway, including expanding the variety of master devices (different computers, different television
Porter, Suzanne F.; Moorefield, Laura; May-Ostendorp, Peter. 2006. Final Field Research Report. California Energy Commission Roth, Kurt; Mckenney, Ku
savings opportunities (Meier et al. 2008; Porter et al. 2006; Roth et al. 2007). Field test results indicate that typically occupants do not take the
Table 1. Categories of APS Technology Category Control Strategy Current-Sensing Current-sensing power strips monitor the current draw of the controlle
guided by the February 2012 draft of the test specification authored by the APS Working Group. That document is still under development, and the final
Table 2. Summary of APS Products Tested ID Brand Model Category # Controlled/All Outlets Adjustable Threshold AV PC UL 1449 & 1363 1 APC Power-
load and for the power strip at a sample rate of 0.25 Hz, which was limited by the time required for each Modbus query. The approximate time delay of
For all of the configurations, the computer and the connected appliances were put through a sequence of power states. Each test set began with all the
Start with perfect score of 5. Subtract 1 point for each additional step required in the initial set-up beyond simply plugging the appliances in
misleading to the user, who may intend to turn off the entire power strip, and instead end up just turning off the TV. In this case it would not be im
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