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 497
Fig. 132. Polyphase Maximum Watt Demand IndicatorCouttesy of General Electric Company rection due to time lag. The other pointer is driven by the first, isleft at the maximum position reached by it, and indicates the maxi-mum power which has passed through the device since it was lastset. The time…
Electrical engineering
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