Switchgear and Control Handbook

Switchgear and Control Handbook

4.11 - 1251 ratings - Source

22 One-line diagram showing a partial-differential or bus-overload relaying scheme. ... close to reestablish normal voltage and to pick up the other loads. ... These relays are generally used as power-flow sensors to control backfeed or reverse power flow. ... Single-phasing protection is necessary when 3-phase motors are served from a system that is protected by single-phase devices, either fuses or lineanbsp;...

Title:Switchgear and Control Handbook
Author:Robert W. Smeaton
Publisher:McGraw-Hill Companies - 1987


You Must CONTINUE and create a free account to access unlimited downloads & streaming