The average utility customer gets their power from “The Grid”; which is comprised of high voltage power lines, transformers, and power plants. The components of the grid have varying ages, expected lifespans, and rated capacities.
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This short video explains why modern electronic voltage regulators, like the UST MiniEVR™, should be specified instead of ferroresonant transformers in cases where the load is 2kVA or larger.
EVRs operate at up to 99% efficiencyat all times, while ferros typically operate at efficiencies of only 75% to 80%, and frequently operate at efficiencies as low as 50% – wasting electricity and generating unnecessary carbon.
EVRs run silent and cool and can be installed indoors or out, while ferros are noisy and hot and must be installed in a protected indoor environment.
EVRs are specified to match the load exactly, while ferros must be oversized by a factor of 2x to 2.5x.