Determine the load current i1 and the circuit current it

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Reference no: EM13248059

Phasors & Impedance:

1.A series RLC circuit connected to a 100-V 60-Hz source draws a current of 2.5 A. The measured power factor for the circuit is 0.7 leading, and the inductive reactive power is 300VAr. Calculate the resistance, inductance and capacitance of the circuit and show the corresponding impedance.

2. Find the equivalent impedance for Z1 = 60? L+60? and Z2 = 80? L-45? when these are connected in parallel? What are the branch currents and the total circuit current if the supply voltage to the circuit is VS = 240V L0?. Draw the current phasor. Power Diagrams and Power Factor

3. Find the real power, reactive power, KVA and power factor of a load whose impedance is 60? L+60? when connected to a 120-V 60-Hz source. Draw the resulting power.

4. The power factor of a load connected to a 120-V 60-Hz source is raised from 0.866 lagging to 0.966 leading by connecting a 110.5-?F capacitor in parallel with the load. Determine the load current I1 and the circuit current IT. E x p l a i n why the power factor correction capacitor is connected in parallel and not in series with the load?

Reference no: EM13248059

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