The parameters of a certain linear transformer are R, 100 2. L- 9H, L-4H and k05 The transformer couples an impedance consisting of an 800 2 resistor in series with a 1 uF capacitor to a sinusoidal voltage source. The 300 V (Tms) source has an internal impedance of 500 +j100 N and a frequency of 400 rad/s. a) Construct a frequency-domain equivalent circuit of the system. b) Calculate the self-impedance of the primary circuit. c) Calculate the self-impedance of the secondary circuit.

The parameters of a certain linear transformer are R, 100 2. L- 9H, L-4H and k05 The transformer couples an impedance consisting of an 800 2 resistor in series with a 1 uF capacitor to a sinusoidal voltage source. The 300 V (Tms) source has an internal impedance of 500 +j100 N and a frequency of 400 rad/s. a) Construct a frequency-domain equivalent circuit of the system. b) Calculate the self-impedance of the primary circuit. c) Calculate the self-impedance of the secondary circuit.

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.61P

See similar textbooks

Similar questions

Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?
The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax
Convert the following instantaneous currents to phasors, using cos(t) as the reference. Give your answers in both rectangular and polar form. (a) i(t)=5002cos(t30) (b) i(t)=4sin(t+30) (c) i(t)=5cos(t15)+42sin(t+30)
The average value of sinusoidal varying voltage is more than its r.m.s. value. Select one: O True O False Which of the following formula is CORRECT? a. E= - L d0/dt O b. E = - N dl/dt O . L= NI / O O d. W = 0.5 12L In a step down transformer, number of turns in the primary winding is lesser than the number of turns in the secondary winding. Select one: O True O False
A 15µF capacitor and a 470 ohm resistor are connected in series with a function generator. The supply voltage is 50V RMS 40Hz. Find the reactive power for this circuit.
5 52 13 -j12 5:1 j2 12 ww 50 20 V 20 VI For the circuit shown, the value of the primary side of the ideal transformer V1 is .V. * O 34<98.1 O 67<58.1 O 104<-67.3 O 72<-45.3 O 48<86.7 O63<-54.3 O 56.4<87.3 O none of the above ww
n 12 For the given waveforms, waveform D the waveform E. put of -D uestion Degrees 30 60 90 180 210 360 N. In a step down transformer, number of turns in the primary winding is lesser than the number of turns in the secondary winding. Select one: O True en O False nere to search
what is the reactive power absorbed by the load ZL in VAR? Assume source is in rms
By convention, the sign of reactive power to an inductance is and the sign of reactive power to a capacitance is
* For the following circuit if the secondary voltage of the transformer is 20V rms, the output voltage is ZV HE +H C₁ C3 DA vor (000000000) + Vm O 55.5 V O 123.2 V O 113.1 V O 130.1 V D₁ C₂ HE + 2 Vm D₂ D3 + Ca HH 2V
15. You are working on a power factor correction installation, and you notice with a clip-on ammeter as you add in capacitance the current drops, you add more capacitance and the current drops, you add more capacitance the current rises. How do you know when you are at unity power factor?
A parallel circuit has 10 ohms of resistance and a capacitive reactance of 15 ohms, An ac rms voltage of 200 V isapplied across it. What is the magnitude of the total current?