Step-Voltage Regulators

Authored by: Craig A. Colopy

Electric Power Transformer Engineering

Print publication date:  May  2012
Online publication date:  May  2012

Print ISBN: 9781439856291
eBook ISBN: 9781439856369
Adobe ISBN:


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Requirements for electric power become more challenging every day in terms of both quality and quantity. “Quality” means consumers need stable voltage without distortions and interruptions. “Quantity” means the user can draw as much load as needed without reducing the quality of the supply. These requirements come from industry as well as from domestic consumers, and each requirement influences the other. Maintaining voltage magnitude within a specified range is an important component of power quality. Power transformers and feeders impose their own impedance, and the amount of voltage drop depends on the loads and, consequently, the currents that flow through them. Voltage magnitudes decrease along the feeder, which means consumers at the end of the feeder will have the lowest voltage.

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