1. An rms voltage of 100 V is applied to a purely resistive load of 5.00...
3. If the voltage and current (both are rms values) supplied to a circuit or load by a source are Varm) = 460?0° V, Is(m)-1414L-45° A. Determine the a) the power supplied by the source which is dissipated as heat or energy in the circuit, b) the power stored in the reactive components and c) the power factor angle and power factor 4. An ideal transformer is rated to deliver 460 KVA at 380 V to a customer T Customer's...
What's the real power of a purely resistive circuit in which the RMS voltage measures 80 volts and the RMS current measures 5 amps?
Solve by hand and simulate in any electrical circuit
simulator preferrably LTSpice
Solve by hand only.
Problem #4: Consider the circuit shown below. 6Ω /8 Ω 302 2700 V (rms) 40 2 Source-Line Load (a) Find the real power dissipated in the line. (b) Find the capacitive reactance that when connected in parallel with the load will pl make the load look purely resistive. (c) What is the equivalent impedance of the load in (b)? (d) Find the real power...
Assuming that the load impedance is to be purely resistive, what load should be connected to terminals a-b of the circuits in the given figure so that the maximum power is transferred to the load? Assume R 52 Ω. 100 Ω -j10Ω 40Ω 120/60° v (+ 2/90 A j30 Ω o b The value of R is Ω.
A voltage of 220V (rms) line to line voltage is applied across a three phase Y connected resistive load. Each phase of the Y, connected loads has a resistance of 127Ω. i) Find current through each phase i) Find the total three phase power ii) Find the power factor of the load
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt + 15°) and i(t) = 2 cos(wt – 15°). The reactive power Q in the load is 21. An electrical load absorbs an average power of 8kW at a leading power factor of 0.8. The reactive power in the load is 22. A balanced Y-connected load with an impedance of 104–30°N? per phase is supplied by a balanced A-connected source with Va = 208/30°V...
3. A high-voltage power line operates on an rms voltage of 230 000 volts AC and delivers an rms current of 740 A to a resistive load. (a) What are the maximum instantaneous voltage and current? (b) What are the maximum instantaneous power and the average power delivered?
In a purely inductive circuit, the rms voltage is 102 V. If the rms current is 4.32 A at a frequency of 57.6 Hz. calculate the inductance. Answer in units of mH. At what frequency is the rms current 5.94 A? Answer in units of Hz.
Consider a single-phase, semi-converter with two SCRs and two diodes. The load is purely resistive. a) Draw the converter. b) Draw the waveforms of the source voltage, the source current, and the output voltage for various firing angles of 0°, 45°, 90°, and 135°. c) Determine the rms value of the output voltage at the firing angle of 45°. d) Calculate: DPF, PF, and %THD for the output voltage VO = 0.5 VX, where VX is the dc output voltage...
12. A sinusoidal voltage Δv = (75.0 V)sin(120t) is applied to a series RLC circuit with L = 20.0 mH, C = 130.0 μF, and R = 32.0 Ω. (a) What is the impedance of the circuit? Ω (b) What is the maximum current in the circuit? A 11.An AC power source has an rms voltage of 120 V and operates at a frequency of 60.0 Hz. If a purely inductive circuit is made from the power source and a...