Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 312
he normal operating point is marked at ap-proximately the center of the scale, thus giving the advantage of very open divisions.The standard frequencies are 25, 40, 60, 125 and 133. IXDICA TIXG DE VICES 1,831 Ques. What is the object of the aluminum disc? Ans. Its function is to damp the… … Fig 3 570 We^inghouse rotary tvpe of synchroscope or synchronism indicator. The lndi- .hich assumes at every ir.stant a position correspondingthe chase angle between the pressures of the busbars and the incoming machine, andtherefore rotate- >* not in srachronism. The direction of rotation…
Electrical engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
