P3-For the given voltages, determine unbalanced phase voltages Van, Von, and VcnV₁ =25<0°V, V₁ =92<34° V, V2=49<-28° V

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Answered: P3-For the given voltages, determine…

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.4MCQ

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Aside from the typical RLC circuit arranged in series, there exist that arranged in parallel as well (see Figure 3). In this configuration, the instantaneous voltages (and rms voltages) across cach of the three circuit elements are the same, and cach is in phase with the current in the resistor. The currents in C and L lead or lag the current in the resistor as shown in the phasor diagram (Figure 3b). By taking the instantaneous voltage across the AC source to be v(t) =V sin er and the instantaneous current provided by the AC source to be i(r) =, sin (er - ø). where V, and are the voltage and current amplitudes respectively, (a) (b) AV AV R. gure 3: (a) RLC circuit in parallel configuration and (b) phasor diagram for the RLC circuit. (a). Write the instantaneous currents across the three circuit elements in terms of angular frequency o, inductance L, and capacitance C. (b). Relate for the ratio of the rms voltage and current towards the ratio of the amplitude voltage and current. (c).…
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Impedances Z2 and Z3 in parallel are in series with impedance Z1 across a 100 V, 50 Hz ac supply. Z1 =6.25 + j1.25 ohm; Z2 = 5+ j0 ohm and Z3 = 5-jXc ohm. Determine the value of capacitance of Xc such that the total curent of the circuit will be in phase with the total voltage. When is then the circuit current and power.
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= = Impedances Z₂ and z3 in parallel are in series with an impedance z₁ across a 100V,50Hz AC supply. Z₁ (6.25 +j1.25)ohms, Z₂ = (5 + j0)ohms and Z3 (5 - jxc)ohms. Determine the value of capacitance Xc said that the total current of the circuit will be in phase with the total voltage. What is then the circuit current and power?
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P3-For the given voltages, determine unbalanced phase voltages Van, Von, and Vcn V₁ =25<0°V, V₁ =92<34° V, V2=49<-28° V