8 D sity on tuo vlavitoss gnied abro primo ai 19mot adtto dibiw srit Show that...

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8 D sity on tuo vlavitoss gnied abro primo ai 19mot adtto dibiw srit Show that no mean power can be produced in a circuit by the interaction between an a.c voltage and a current of different frequencies. A balanced three phase, star-connected load is supplied from a sine wave source whose phase voltage is 2x230sin wt. It takes a current of 70.7 sin osto (wt+30°)+28.28sin(3wt+40°)+14.14sin (5wt+50°)A. The power taken is to son measured by the two-wattmeter method, and the current by a meter do measuring r.ms value:. Calculate; oirallab olsoz-llut zovig bas 02 (8) or (a) s the readings of the two-wattmeter; aun noitsoftibom Wi the readings of the ammeter; (d) Al of gribas1 1919mme the power factor of the circuit. (b) (c) Aměl diw moitooftob al 9 8 D sity on tuo vlavitoss gnied abro primo ai 19mot adtto dibiw srit Show that no mean power can be produced in a circuit by the interaction between an a.c voltage and a current of different frequencies. A balanced three phase, star-connected load is supplied from a sine wave source whose phase voltage is 2x230sin wt. It takes a current of 70.7 sin osto (wt+30°)+28.28sin(3wt+40°)+14.14sin (5wt+50°)A. The power taken is to son measured by the two-wattmeter method, and the current by a meter do measuring r.ms value:. Calculate; oirallab olsoz-llut zovig bas 02 (8) or (a) s the readings of the two-wattmeter; aun noitsoftibom Wi the readings of the ammeter; (d) Al of gribas1 1919mme the power factor of the circuit. (b) (c) Aměl diw moitooftob al 9

Answer rating: 100% (QA)

a The two wattmeter reading will be W1 2 230 707 sinwt 30 3 15385 wa... View the full answer