Three-phase, 50 Hz, 132 KV power system of equivalent impedance 10+j35 Q with load 110+j29 Q. Draw the corresponding power flow diagrams with total values. Use one-digit approximation.
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Q: Three-phase, 50 Hz, 132 KV power system of equivalent impedance 10+j35 12 with load 110+j29 12.…
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- Three-phase, 50 Hz, 132 KV power system of equivalent impedance 10+j35 12 with load 110+j29 12. Draw the corresponding power flow diagrams with total values. Use one-digit approximation.3. A balanced Y-connected load with phase impedance of 5 Ohms @ 12 degrees is connected to a 3-phase source with a line-to-line voltage of 220 Vac. a. find the magnitude of the current in each line 25.4 <-12 degrees A b. find the power factor 0.978 logging c. calculate the total complex power 9.678 <12 degrees kva d. calculate the total real power e. calculate the total reactive powerA star-connected three phase power pack is connected to balanced star-connectedload of 2 + j3 Ω. The line current is 2∠0⁰ A. Assuming negligible impedance onthe cable, calculate:a) the phase and line voltages from the source. b) the real and reactive powers of the circuit.
- A series circuit composed of a resistance of 24 ohms, an inductance of 0.09 henry and a capacitance of 8 microfarad, is connected to a 120-volt 50-Hz supply. Calculate (a) the line current, (b) impedance of the circuit, (c) voltage drop, (d) total reactive power, (e) power factor.A 400 V, 50 Hz, three-phase motor takes a line current of 15.0 A when operating at a lagging power factor of 0.65. When a capacitor bank is connected across the motor terminals, the line current is reduced to 11.5 A. Calculate the rating (in kVA) and the capa- citance per phase of the capacitor bank for: (a) star connection; (b) delta connection. Find also the new overall power factorA 530 kV, three phase transmission line with a 350 km length. The series impedance Z =(0.11+j0.72) Ω/ph/km and shunt admittance y = (j73 x e(-7)) S/ph/km. Evaluate the equivalent π-model and T-model parameters.
- 3. A balanced Y-connected load with phase impedance of 5 Ohms @ 12 degrees is connected to a 3-phase source with a line-to-line voltage of 220 Vac. a. find the magnitude of the current in each line b. find the power factor c. calculate the total complex power d. calculate the total real power e. calculate the total reactive powerFast Answer please A balanced ∆ connected load with impedance 63 + j216 Ω⁄∅ 50∠0° Ω⁄∅It is connected in parallel to a balanced Y-connected load with impedance. Parallel loads have an impedance of 1 + j3 Ω⁄∅fed from one line. Y the magnitude of the connected load from line to neutral is 750 V.a) Calculate the magnitude of the current in the line feeding the loads?b) Calculate the magnitude of the phase voltage at the sending end of the line?c) The total apparent, average and reactive powers provided by the sources areA balanced ∆ connected load with impedance 63 + ?216 Ω⁄∅ 50∠0° Ω⁄∅It is connected in parallel to a balanced ?-connected load with impedance. Parallel loads have an impedance of 1 + j3 Ω⁄∅fed from one line. Y the magnitude of the connected load from line to neutral is 750 V.a) Calculate the magnitude of the current in the line feeding the loads?b) Calculate the magnitude of the phase voltage at the sending end of the line?c) The total apparent, average and reactive powers…Question text Three Impedances each of (6 – j26)Ω are connected in mesh across a three-phase 425V ac supply. Determine the phase current, line current, active power, reactive power and apparent power drawn from supply. phase current (Ip) , Line current , real power , reactive power , Apparent power
- A Δ-connected, 60−Hz, balanced, 3ϕ, positive-sequence voltage source is connected to a Δ-connected, symmetric 3ϕ load via a non-ideal transmission line. The line-line voltage magnitude of the source is 480VRMS. The series impedance of each phase of the transmission line is 0.1+j1.5Ω. The impedance of each leg of the load is 3+j6Ω. a. What is the total, 3ϕ complex power consumed by the load. b. What are the total active power losses (all three phases) in the transmission line?Three Impedances each of (11 – j20)Ω are connected in mesh across a three-phase 410V ac supply. Determine the phase current, line current, active power, reactive power drawn from the supply. Also, draw the Phasor diagram for the mesh connection and mark the Line current, phase current line voltage, and phase angle between phase current and phase voltage. phase current (Ip) = Line current = real power= reactive power=A three-phase system includes a 346.4 V line-to-line supplying a three-phase motor rated 15KVA 0.8pf lag plus additional balanced constant impedance loads. The single-phase representation of the system is shown below. Assume that sources and loads are Y-connected. 1. What is the RMS value of the line current, I in A? 2. If this set of loads will be supplied through a service transformer. What should the minimum size of the transformer in kVA? 3. What should be the size of three-phase capacitor(that will be added to the load mix) to improve power factor to almost 0.95 lag?