Voltage characterization of local commercial electric power (Meralco)
Abstract
Manila commercial electric power voltages were measured by microcomputer based laboratory apparatus every 2 minutes for weeks at a time. In a typical workweek, daytime voltage was about 220 V. Night time voltage was about 250 V. In unusual situations, power was out for 12 hours during a typhoon. On a Tuesday morning at 10:30 am voltage sagged to 186 V. At 1:20 am on a Monday morning voltage peaked at 273 V.
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Twenty five years of promoting diversity in physics
25-27 October 2004, Tagbilaran City, Bohol