Power Systems - Three-Phase Circuits

A 3-phase, star-connected, balanced load is supplied from a 3-phase, 400 V (rms), balanced voltage source with phase sequence R-Y-B, as shown in the figure. If the wattmeter reading is -400 W and the line current is IR =...

A balanced delta connected load consisting of the series connection of one resistor (R = 15 Ω) and a capacitor (C = 212.21 µF) in each phase is connected to three-phase, 50 Hz, 415 V supply terminals through a line havin...

A three-phase load is connected to a three-phase balanced supply as shown in the figure. If $V_{an} = 100\angle 0^\circ$ V, $V_{bn} = 100\angle -120^\circ$ V and $V_{cn} = 100\angle -240^\circ$ V (angles are considered p...