Vacuum Switchgear

Vacuum Switchgear

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Vacuum switches now dominate the medium-voltage sector (below 30 kV) for all power switching functions. Allan Greenwood is a world authority in this field; in this book he shows how vacuum arcs and current interruption in vacuum are different from gaseous arcs and interruption in gas circuit breakers, and leads the reader to understand these differences - thereby enabling successful design, construction and use of vacuum switchgear. This comprehensive treatment (including an introductory historical perspective) makes the book useful for users and manufacturers as well as designers.Mechanical control is provided by manual close and trip buttons on the circuit breaker. The closing spring may be manually charged and a method for slow closing the primary contacts is available when the circuit breaker is withdrawn from theanbsp;...

Title:Vacuum Switchgear
Author:Allan Greenwood
Publisher:IET - 1994-01-01


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