Relay Handbook and Supplement |
Contents
Detailed Description of Principal Types of Relays | 63 |
Circuit Breaker Trip Mechanisms and Connections | 498 |
Protection of Direct Current Systems | 545 |
Copyright | |
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Common terms and phrases
3-phase action adjustment amperes application armature arranged automatic auxiliary relay balanced burden capacity carry cent characteristics circuit breaker closing complete conductor connected contacts continuously Cover current transformers curves Cycles designed desired device differential direction disk Electric element energized factor fault feeder Front Fuse ground impedance indicated induction installed instantaneous insulation leads lever load lower machine magnetic means mechanism motor mounted moving necessary normal obtained ohms Oil Circuit operation overcurrent relay overload parallel phase plunger position possible potential primary protection rated ratio relay operates Removed reset resistance resistor reverse scheme secondary setting short short-circuit shown in Fig shows shunt similar spring standard station suitable supply switch TABLE temperature terminal tion Trans Trip Coil usually View voltage volts Westinghouse winding wire