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 494
notindicate instantaneous max-ima, but will require thecontinuance of the load overa considerable interval forthe device to register itsfull value. These deviceswill register accurate valuesof maximum demand oncomparatively steady loads, but on varying or rapidly fluctuatingloads their indication… … Fig. 129. Wright Demand IndicatorCourtesy of General Electric Company 450 ELECTRICAL MEASUREMENTS 153 LOAD SOURCE Wright Demand Indicator. One of the earliest devices used forthe measurement of maximum loads was the Wright demand indi-cator, invented ly ]\Ir. Arthur Wright, of England, and now…
Electrical engineering
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