Define active and reactive power in a power system. Explain their significance and how they are measured.
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Define active and reactive power in a power system. Explain their significance and how they are measured.
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- reactive power calculation.Define reactive power and its significance in electrical power systems. How is it managed in power grids?Q2) A 3-phase, half-wave thyristor converter is connected through a voltage source 150 V as input voltage and used to supply resistive load of 10 2. Determine rsm voltage, rms current, ripple factor and dissipated power in the resistor R. If a = 45° and f = 50 Hz. %3D
- Discuss the importance of reactive power in power systems and its impact on voltage control.How is reactive power different from active power in power systems?Number 9 Please show your detailed solution. Number 9 Please show you detailed solution. A 50-ohm resistor is in series with a 40-?F capacitor across a constant potential source of 180 volts. Determine frequency that will give current of 3.13 amp. A. 250 Hz C. 160 Hz B. 200 Hz D. 140 Hz
- Given the circuit in Figure 04 and defining that: Vs = 100 sin (wt) Volts and the firing angle of the thyristors T1 and T2 is equal to 110° and that T3 and T4 have similar firings in the negative half-cycle of Vs. a)Sketch the output voltage waveform for a highly inductive load. b) Sketch the waveform output voltage, replacing the highly inductive load with a purely resistive load. c) Get the value of the average output voltage when the load is purely resistive.A DC chopper has a resistive load of R = 10 2 and an input voltage of Vs = 220 V. When the chopper switch remains in the ON state, its voltage drop is Vch = 2 V. If the duty cycle is 50%, determine its average output voltage VoC. A single phase full converter feeding RL load has the following data: source voltage 230V(RMS), SOHZ.R-2.52 L=very large, firing angle -30"f the load inductrance is large enough to make the load current constant then i Sketch the time variation of sounce voltage source current, load voltage, load current current through one thyristor and voltage across it H. Compute the average value of load voltage and load current, Derive the formula.
- Q2) A 3-phase, half-wave thyristor converter is connected through a voltage source 150 V as input voltage and used to supply resistive load of 10 N. Determine rsm voltage, rms current, ripple factor and dissipated power in the resistor R. If a = 45° and f = 50 Hz.Q1. following: For the circuit shown in figure (a). Let V1 = 10Vms, frequency 10KHZ. Draw the A. Impedance diagram. B. Voltages phasor diagram. C. Current phasor diagram. D. Measure the voltage across R1,R2, Vin, and the inductor using the ocillscope using PROTEUS software. E. Measure the voltage in R1, R2, and the inductor using DMMby using PROTEUS software. F. From the above measurments verify your result. R2 1K V1 VSINE R1 L1 2K 1000MQ1) The buck converter has an input of 50 V and an output of 25 V. The switching frequency is 100 kHz, and the output power to a load resistor is 125 W. Determine: (a) the duty ratio. (b) the value of inductance to limit the peak inductor current to 6.25 A. (c) the value of capacitance to limit the output voltage ripple to 0.5 percent.