Circuit breakers with new characteristics for improving quality protection of low-voltage electric networks

The main technical decisions that result in increased quality protection of low-voltage electric networks based on circuit breakers with microprocessor trips are considered. New protection from breakdowns of the neutral conductor at the beginning of the line and the misalignment of the phases (and r...

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Bibliographic Details
Published in:Russian electrical engineering 2010-11, Vol.81 (11), p.587-592
Main Authors: Rainin, V. E., Kobozev, A. S.
Format: Article
Language:English
Subjects:
Engineering
Machines
Manufacturing
Processes
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Summary:The main technical decisions that result in increased quality protection of low-voltage electric networks based on circuit breakers with microprocessor trips are considered. New protection from breakdowns of the neutral conductor at the beginning of the line and the misalignment of the phases (and resulting overvoltage of the consumers single-phase power supply) in the event of a breakdown of the neutral conductor in any part of the long line is presented. Examples of using new protection for differently mains of different structures and purposes are given.
ISSN:1068-3712
1934-8010
DOI:10.3103/S1068371210110039