3P AC Circuits

A balanced delta connected load of (4 + j3) ohms per phase, 230 V supply. Find the total kVA.

A 230 V, 3-phase source supplies a balanced delta connected load of 8 − j6 Ω per phase. Find the line current in amperes.

A 220 v, 3-phase supply has a balanced delta connected load with impedance of 15 + j20 ohms/phase. What is the total real power of the load in watts?

A 240 v balanced 3ɸ source supplies a purely resistive impedance of 11.52 ohms per phase. What is the total power drawn if it is Y-connected?

A balanced delta connected load impedance of 15 + j18 Ω per phase is connected across a 230 v, three-phase source. Find the total power consumed.

A balanced wye – connected load with resistance of 8 ohms per phase and no reactance is supplied by a 240 v, 3 – phase source. Find the real power of the load in watts.

Three 40 Ω non-inductive resistances are connected in wye across 200 V, 3-phase lines. If one of the resistors is disconnected, what would be the power taken from the mains?

A 220 V, 3-phase supply has a balanced delta connected load with impedance of 15 + j20 Ω/phase. What is the total real power of the load in watts?

A balanced wye-connected load with resistance of 8 Ω/phase and no reactance is supplied by a 240v, 3-phase source. Find the real power of the load in watts.

A balanced delta load of 3+j4 ohms per phase is connected to a balanced 110v source. Find the line current.

A delta 3Φ, 4-wire secondary 230/115 V would have a high-leg to neutral voltage of ________.

Convert the delta connected impedance of \(12\angle 36^\circ\) Ω to a balanced wye connected impedance.

In a balanced 3-phase voltage source with phase sequence abc, the phase A voltage is \(127\angle 0^\circ\) volts. Find the phase C voltage.

A balanced delta connected load draws 10 A of line current and 3 KW at 220 v. Determine the value of resistance of each phase of the load.

A 440 V, three-phase source supplies a wye connected 10 kVA load at 0.8 lagging power factor and a delta-connected 10 kVA unity power factor load. Calculate the total apparent power input to the two loads.

A balanced wye-connected load with a resistance of 8 ohms/phase and no reactance is supplied by a 240 V, 3-phase source. Find the real power of the load in watts.

An abc phase sequence three-phase voltage source connected in a balanced wye has a line voltage of \(V_{ab} = 208\angle 0^\circ\) V rms. Determine the phase voltage \(V_{bn}\).

A balanced delta connected load of 4 − j3 Ω per phase is fed by a 380 V, 3-phase system. Find the reactive power.

In a delta connected circuit of three equal resistors, when one resistor is open, the power will be

Three 100 μF capacitors are connected in delta to a 500-volt, three-phase, 50 Hz supply. Find the line current.