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A three-phase, 34.5-kV, 60-Hz, 40-km transmission line has a per-phase series impedance of 0.2+j0.5/km. The load at the receiving end absorbs 10 MVA at 33 kV. Calculate the following:
(a) Sending-end voltage at 0.9 PF lagging.
(b) Sending-end voltage at 0.9 PF leading.
(c) Transmission system efficiency and transmission-line voltage regulation corresponding to cases (a) and (b).
Q. A sample of iron having a volume of 20 cm is subjected to a magnetizing force varying sinusoidally at a frequency of 400 Hz. The area of the hysteresis loop is found to be 80 cm
This example is concerned with steady-state sinusoidal analysis by using mesh equations and MATLAB. Let us consider the circuit shown in Figure and find the input impedance at the
short note on cumulative error
Draw the re-model for the circuit given in figure and calculate: a). The input impedance (β=100), b). The output impedance (r0 = 50 kΩ) and c). The mid-band collector-base
0PERATION OF POWER TRANSMISSION (SPEED GOVERNORS)
explain the application of the Si,zener,and LED diodes
i have question
A three-phase, 5-hp, 220-V, six-pole, 60-Hz in- duction motor runs at a slip of 0.025 at full load. Rotational and stray-load losses at full load are 5% of the output power. Calcul
(a) Draw and illustrate the V-I characteristics of PN junction diode. How the characteristics reflected with change in temperature? (b) Describe physically why a PN junction dio
Theft or Pilferage of Power by the Existing Customers Power theft through the existing consumers is the predominant cause of loss of revenue to the electrical utilities. Almos
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