A balanced Y -connected load having an impedance of 92+j21Ω/ϕ is connected in parallel with a balanced Δ -connected load having an impedance of 150∠ 0 ∘ Ω/ϕ . The paralleled loads are fed from a line having an impedance of j1Ω/ϕ . The magnitude of the line-to-line voltage of the Δ -load is 8150 V .
A. Calculate the magnitude of the current in the line feeding the loads.
B. Calculate the magnitude of the phase current in the Y- connected load.
C. Calculate the magnitude of the phase current in the DELTA-connected load.
D. Calculate the magnitude of the line voltage at the sending end of the line.
A balanced Y -connected load having an impedance of 92+j21Ω/ϕ is connected in parallel with a...
A balanced Δ-connected load has an impedance of 216−j288Ω/ϕ. The load is fed through a line having an impedance of 3+j5Ω/ϕ. The phase voltage at the terminals of the load is 7.0 kV . The phase sequence is negative. Use VAB as the reference. Calculate the line voltage Vab, Vbc, and Vca at the sending end of the line. Please show how you put it in the calculator.. I think that is where I keep getting errors.
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...
AC Circuit Analysis
3. Three balanced three-phase loads are connected in parallel. Load 1 is Y- connected with an impedance of 400 + j300N/0 load 2 is A-connected with an impedance of 2400 – 18001/¢, and load 3 is 270 +39000kVA. The loads are fed from a distribution line with an impedance of 1 + j4N/0. The magnitude of the line-to-neutral voltage at the load end of the line is 1673 kv. a) Calculate the total complex power at the...
The magnitude of the line voltage at the terminals of a balanced Y-connected load is 6200 V . The load impedance is 220-55i Ω/ϕ . The load is fed from a line that has an impedance of 0.4+3.5i Ω/ϕ . Part A: What is the magnitude of the line current: Part B: What is the magnitude of the line voltage at the source?
Please quickly .I will grade
2. Three balanced three-phase loads are connected in parallel. Load 1 is Y- connected with an impedance of 400 + 13001/0 load 2 is A-connected with an impedance of 2400 - 218000/0; and load 3 is 172.8 + j2203.2 kVA. The loads are fed from a distribution line with an impedance of 2 + j1612/0. The magnitude of the line-to-neutral voltage at the load end of the line is 24V3 kv. a) Calculate the total...
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.
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.
1. The phase voltage at the terminals of a balanced three-phase Y-connected load has an amplitude of 120V. The load has an impedance of 39 + j28Ω per phase. It is fed from a line having an impedance of 0.8 + j1.5 Ω per phase. The Y-connected source at the sending end of the line has an internal impedance of 0.2 + j0.5 Ω per phase. Calculate: a) The three line currents b) The three-phase voltages at the load c) ...
Please show how this transformers problem is done. Thanks!
Problem 3ph [10 pts]: Y-connected source: A Y-connected balanced three-phase source is feeding a balanced three-phase load (it doesn't matter whether the load is Y or Delta connected). The voltage and current of the source are: van (t) - 340 sin (377t + 0.5236) ia(t) 100sin (377t 0.87266) Calculate the following: (a) The rms phase voltage (Van, magnitude and phase). (b) The rms line-to-line voltage (Vab, magnitude and phase) (c) The...
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that the line impedance is (1 + j1) Ω per phase while the load impedance is (6 + j4) Ω per phase, find the magnitude of the line voltage at the load. Assume the source phase voltage Vab= 208 ∠0° V rms. The magnitude of the line voltage at the load is _______ Vrms.