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 130
hat they will not release until thevoltage approaches 50% ot normal. CURRENT AND PRESSURE LIMITING DEVICES 1,649 instrument and meter readings; the current transformers should not beloaded beyond certain limits which depend upon the volt ampere loadand power factor of each of the connected devices.… … Fig. 2,303-—General Electric alternating current high pressure series overload relays con-trolling 45,000 volt oil switches. These relays are connected in series with the line. Ifcurrent transformers are to be used on the same circuit for other purposes, and havesufficient capacity to supply energy…
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