International Library of Technology · Scranton, International Textbook Co. · leaf 105
= 11,220.Hence, H P. = ^ff- = 15, nearly. Ans. 105. Three-Phase Circuits.—In the three-phase sys-tem we do not usually have three distinct circuits. If three §14 ELECTRIC TRANSMISSION. 91 distinct circuits were used, six wires would be necessary.Each wire serves alternately as the return for the… … 7alcarf. Fig. 44. a balanced load, as, for example, a load consisting wholly ofthree-phase motors, one wattmeter may be used to measurethe power, as indicated in Fig. 44. The method of connect-ing the. potential coil/ and the resistances rlf r2, and r3should be noted. Theseresistances are…
Electrical engineering
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