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 367
nd, withthe other, a reactance /. Theamount of current flowing in thereactance will vary with the fre-quency of the current, the induc-tive effect being increased byincrease in frequency. The torque exerted on thedisk by each element is propor-tional to the square of the cur-rent and the frequency.… … Fig. 42. Diagram of Connections of Westing-house Frequency Indicator 331 36 ELECTRICAL MEASUREMENTS the disk will, therefore, move until equilibrium is established. Thisis accomplished by having the side of the disk which is influencedby the inductive element slightly spiral so that, as the…
Electrical engineering
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