An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 437
motor terminalsto taps on the auto-transformers for starting the motor at alower voltage, and then changes it over directly to the lineafter the motor has reached its full speed. At the top are thefuses which protect the motor when running but not whenstarting. Another method of getting a lower… … Auto-transformer■ Low Voltage Taps Y Connection Fig. 272. — Connections for a three-phase starting compensator. ALTERNATING-CURRENT MOTORS 395 or Y, and in the running position they are connected in delta. This means that in starting a motor on a 220-volt line the 220windings would each receive…
Electricity · Magnetism
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