Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 60
same circuit withoutinterference, it is necessary so to arrange that the single-pole trans-mitter will not rcchice the line current to zero, but only to a suffi-ciently low value to allow the armature of the neutral relay to bereleased and withdrawn by its retractile spring. If this minimumvalue of… … Fig. 28. Modern Quadruplex Neutral Relay with Rack and Pinion AdjustmentCourtesy of Postal Telegraph-Cable Compamj end of the line by the neutral relay and the polarized relay, respec-tively. Faults of Quadruplex. Unreliability in Bad Weather. In prac-tice the quadruplex performs satisfactorily…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
