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A DC motor has an armature resistance of 0.75 ohms, full load armature current is 55 amps, flux per pole is 0.02 Wb and is supplied with 440 volts. It is a 4-pole machine with a simple wave-wound armature with 43 slots and 12 conductors per slot. What is the full-load speed of the motor? A) 1600 rpm B) 2320 rpm C) 1160 rpm D) 580 rpm E) 400 rpm
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Get PriceA 110 V DC lighting system comprises six 200 W and thirty 40 W lamps. What would be the inductance of a choke coil that would be placed in series with these lamps, which would enable them to be run on a 220 V, 60 Hz, AC supply? ... when the machine is to be run at constant speed ... Starters are needed for DC motors because if a heavy inrush of …
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Get PriceThe PGR-3100 indicates the presence of voltage on each phase of a three-phase system. The LEDs on the panel illuminate when voltage is present. When a ground-fault occurs, the voltage on the faulted phase reduces to ground potential, causing the LEDs for the faulted phase to dim. On a resistance grounded or ungrounded system the LEDs for the ...
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Get PriceThe PGR-3100 indicates the presence of voltage on each phase of a three-phase system. The LEDs on the panel illuminate when voltage is present. When a ground-fault occurs, the voltage on the faulted phase reduces to ground potential, causing the LEDs for the faulted phase to dim. On a resistance grounded or ungrounded system the LEDs for the ...
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Get PricePage 1 EG SERIES ELECTRIC POWERED SCREW AIR COMPRESSOR EG 11 to EG 22 (15 HP to 30 HP) Standard and Standard + VFD 208 - 230V 460V, 3Ph, 60Hz OPERATION AND MAINTENANCE MANUAL...; Page 2 Part Document No. 019400022 Rev R08 Print Status April 2017...; Page 3: Table Of Contents List of Contents OPERATION AND …
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