Please answer in typing format please and correct answer please Problem 5.A 3-phase, 173 V, 60 Hz, balanced Y-connected source supplies the following two loads connectedin parallel:(a) A A-connected load with a impedance of 18+j24 2 per-phase.(b) A Y-connected load with a phase impedance of 10 253.13° 12 per-phase.Find the following quantities:(a) The power factor of the entire load.(b) The total line current supplied.(c) The total real, reactive, and apparent powers.

The line voltage,The frequency, The impedence per phase in delta connected load will be,The…

Problem 5. A 3-phase, 173 V, 60 Hz, balanced Y-connected source supplies the following two loads connected in parallel: (a) A A-connected load with a impedance of 18+j24 52 per-phase. (b) A Y-connected load with a phase impedance of 10 253.13° 2 per-phase. Find the following quantities: (a) The power factor of the entire load. (b) The total line current supplied. (c) The total real, reactive, and apparent powers.

Problem 5. A 3-phase, 173 V, 60 Hz, balanced Y-connected source supplies the following two loads connected in parallel: (a) A A-connected load with a impedance of 18+j24 52 per-phase. (b) A Y-connected load with a phase impedance of 10 253.13° 2 per-phase. Find the following quantities: (a) The power factor of the entire load. (b) The total line current supplied. (c) The total real, reactive, and apparent powers.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.43P: Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series...

See similar textbooks

Similar questions

Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series reactance of 0.1 per unit divided equally between primary and secondary, are connected in a three-phase bank. The high-voltage windings are V-connected and their terminals are directly connected to a 115-kV three-phase bus. The secondary terminals are all shorted together. Find the currents entering the high-voltage terminals and leaving the low-voltage terminals if the low-voltage windings are (a) Y-connected and (b) - connected.
1. Calculate the line currents for phase a, b and c.2. Calculate the line-to-neutral voltages at the load for phase a, b and c.3. Draw the phasor diagram of the source line-to-neutral voltages and line currents.
Draw Wye- Delta three phase transformers connection ( no-load and full-load) in Lt-spice
A three-phase system has balanced conditions so that the per-phase circuit representation can be used as shown in Figure 1 Select the turns ratio of the step-up and step-down transformers that the system operates with an efficiency greater than 99 percent. Moreover, find the complex power (received or given) of all components in the circuit and the V1 and V2 voltages. The load voltage is specified as 4 kV rms, and the load impedance is 4/3 ohm. ..
A workshop from a 231/400 V transformer center with a 3-phase and four-conductor underground cablefed. The resistance of the phase conductors is 0.035 ohms and the resistance of the neutral conductors is 0.05 ohms.25 kVA at 0.8 reverse power factor from R phase of the supply line, 0.8 forward power factor from S phase 15Fully ohmic loads of 10 kVA are drawn from kVA and T phases.(a) Find the currents flowing through the phase conductors and neutral conductors.(b) Voltage drops between the transformer substation and the workshop and at the load terminals.calculate the voltages(c) Plot the supply line currents and phase voltages phasorally.
The Figure shows a balanced Y-A 3Ø circuit. The phase voltages of the Y-connected source are V, = 11020°, V, = 1102 - 120° and V. = 1102120°, Volts. The line impdedances are Z,=10+j5 Q each. The impedances of the A-connected load are ZA = 75+j255 N each. Determine: Line Currents, Phase Currents (load), Power drawn by the load. Ve ZA Vb
The one-line diagram of a three-phase power system is shown in the above figure. The line impedances are in per- unit on a 100-MVA base, and the line admittances are neglected. ' qu V = 1.05200 0.01+ j0.025 300 + j200 MVA 3 0.015 + j0.035 150 MW 200 + j150 MVA 0.01 + j0.03 |V = 1.03 The admittance matrix (Y_bus)? The bus power in per-unit?
Three single-phase transformers (ideal) are connected as shown in the figure below to supply a balanced 3-phase, 150 KVA, 600 VL load from primary 4.16 KVLL line. H1 X1 H2 X2 BALLANCED H1 X1 THREE PHAGE LOAD H2 X2 H1 X1 X2 (a) Draw (neatly) a phasor diagram showing the three, primary line-to-line voltages and the six secondary phase and line voltages. What is the phase relationship between the primary voltage VAB and the secondary voltage V12? Indicate on the phasor diagram:f
The plant capacity of a 3-phase generating station consists of two 8 MVA generators of reactance 14·5%each and one 4 MVA generator of reactance 9·5%. These are connected to a common bus-bar fromwhich loads are taken through a number of 3 MVA step-up transformers each having 4% reactance.Determine the MVA rating of the circuit breakers on (i) L.V. side and (ii) H.V. side. Reactances givenare based on the MVA of each equipment. [(i) 15·24 MVA (ii) 50·25 MVA]
Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging andthe other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase,480-volt source.a. Draw the power triangle for each load and for the combined load.b. Determine the power factor of the combined load and state whether lagging or leading.c. Determine the magnitude of the line current from the source.
In a single phase equivalent circuit, the current in the a-phase conductor line is simply the voltage generated in the a-phase winding of the generator divided by the total impedance in the a-phase of the circuit. Select one: O True O False
4) A balanced delta connected load of ...+j18 ohm per phase is connected at the end of a three phase line as shown in figure. The line impedance is 1+j2 ohm per phase. The line is supplied from a three-phase source with a lie- to-line voltage of 207.85 V rms. Taking Van as reference, determine the following: a) Current in phase a. b) Total complex power supplied from the source. c) Magnitude of the line-to-line voltage at the load terminal. (Please determine the impedance value within the specified limits: 16-26 V. By considering the impedance value you determined yourself, solve the question.) ao- |V₂| bo Co- 1 +j2 Ω = 207.85 V www Figure a Jum ...+j18 n b