Given a balanced three phase delta connected load with impedance 3+j6 what is impedance equivalent for a Y connection?
Given a balanced three phase delta connected load with impedance 3+j6 what is impedance equivalent for...
A balanced delta connected 3 phase load with per phase impedance
of
Z1 = 3 + j9 (Ohm)
is connected in parallel to a balanced 3 phase star connected load
with per phase impedance:
Z2 = 6 + j16 (Ohm).
Their connection is shown in the Picture attached. This load
combination is connected to a balanced 3 phase 415V (line-to-line)
supply.
Find the magnitude of the line current drawn from the supply. Enter
your results in Amps with one digit...
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...
A balanced three phase load connected Y has impedance in each phase . A balanced three phase source 4000 V connected to the load through three phase line with identical impedance equals to . Find : a) Phase voltage to neutral source b) Current at line c) Line-to-line voltage of the load d) Apparent Power sent by 3 phase source 2+4j We were unable to transcribe this image
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21 ?, is connected in delta, and the other load has per phase impedance 15 2 and is connected in wye. Ignore the line impedance. If the line voltage is a 208230° Vrms, determine (a) the phase voltage for phase-a, ) the line current Ia*, (c) the phase currents in the delta load (d) the complex power of the load and the power factor.
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...
A balanced Y-connected load with a phase impedance of 10 + j 4 Ω is supplied by a balanced, positive sequence Δ-connected voltage source having Vab 208∠0o V. Given that the line impedance is 0.8 + j 0.3 Ω per phase. (i) Construct a single-phase equivalent circuit of the three-phase system. (ii) Calculate the phase currents of the load. (iii) Calculate the line voltages at the load.
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...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
1. A balanced delta-connected load has 12 +j16 ohms impedance per phase, and is energized by 208 V line-to-line. The phase sequence is ‘a-b-c'. (a) Find the line and phase voltages and currents at the delta load, and show them in a phasor diagram. (b) If the delta-connected load is rewired and connected in wye, show the line and phase voltages and currents at the wye load in a phasor diagram.
Three balanced three-phase loads are connected in parallel. Load 1 is Y-connected with an impedance of 400+j300 2/0; load 2 is A-connected with an impedance of 2400-j18000/0; and load 3 is 172.8+j2203.2 kVA. The loads are fed from a distribution line with an impedance of 2+j16 0/0. The magnitude of the line-to-neutral voltage at the load end of the line is 2413 kV. Calculate the total complex power at the sending end of the line. :) Magnitude of the total...