Image: Distribution Voltage regulators

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Description: A three-phase bank of voltage regulators rated 400 Amps, 14400/24940VY 60 Hz. Each regulator contains an oil-filled autotransformer with 32 taps to change voltage + or - 10%. Voltage regulators such as this are used to control the voltage on long AC power distribution lines. This bank is mounted on a wooden pole structure. Each regulator weighs about 2600 lbs and is rated 576 kVA. Control boxes (not shown) for each regulator are mounted near grade level. A voltage regulator bank can be distinguished from a step-down transformer bank by observing that incoming and outgoing wires are of similar construction, the same voltage class. Photo taken near Castlegar, BC Canada
Title: Distribution Voltage regulators
Credit: Own work
Author: Wtshymanski
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: http://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes

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Voltage regulator

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