Given Data:
Phase Current = 9 Arms
Rms Voltage=600Vrms
Rms Voltage convert to Phase Voltage=
Phase Voltage = 346.41 V
Apparent Power(in KVA)= Phase Voltage x Phase Current
= 9 x 346.41
= 3117.69 VA
Apparent Power(in KVA) = 3.1 KVA
A balanced 30, delta load, draws a phase current of 9 Arms from a 600Vrms, 30...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
A balanced three-phase delta-connected load is connected to a balanced three-phase delta-connected source via a transmission line. The line-line voltage for the source is 100∟0° V/phase and the impedance of load is (27 + j18) Ω/phase. The transmission line has an impedance of (1 + j4) Ω/line. a) Draw the complete schematic of the power system showing the location of wattmeters. (Two-Wattmeter system is considered for this problem). Phase “a” could be considered as a reference phase. b) What must...
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an aboc phase-sequence and is connected in delta. There are two rallel wye-connected loads. The phase impedance of load i and load 2 is 4 The line impedance connecting the source to the loads is 0.3 + j0.2 2. If the curre IAN! = 10/20-Arms, find the delta currents in the source 4 Ω and 10 +/4 Ω, respectively. nt in the a phase of...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + j2 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of the...
(2) A balanced-delta load consisting of impedances Zdelta = 30 + 20 j is connected to a 230V three-phase source. The lines connecting the load to the source each have impedance Zline = 1.0 + 1.5 j . Let the base voltage be 230V and the base power be 1 kVA. These base values are for line to line voltage and three phase power. Calculate per unit values of the magnitude of the line currents as well as...
per phase. The line feeds a balanced delta-connected load, which absorbs a total complex power of 12 + 15 kVA. The line voltage at the load end has A three-phase line has an impedance of 1 + 3 a magnitude of 220 V. References eBook & Resources Section Break Difficulty: Medium Learning Objective: Understanding and analyzing power in balanced three-phase circuits. value: 10.00 points Required information Find the source power factor. The source power factor pf = 327.88.
A balanced delta connected load has a per phase
impedance of 12+j21 ohms. The load is supplied power from a source
with line to line voltage of 480 V through a distribution line. The
line impedance is 2 + j4.5 ohms. What is the current magnitude in
the distribution line?
of the below questions. A balanced A connected load has a per-phase impedance of 12+,21 22. The load is supplied power from a source with line-to-line voltage of 480 V...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + 12 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of...
A balanced wye-connected load and a balanced delta con- hected load are supplied by a three-phase 480-V 50 HZ generator. The ranch impedance of the wye and della are 10/30° 2 and 20/-50° 2. respectively. Determine the active and reactive powers drawn by each three loads. Determine the phasor voltage and phase any one branch of each three-phas e branch of each three-phase load, and substitute into wer equation for balanced three-phase loads. Given ise angle of V is 30...
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