For the below circuit find the following: 40 V 30 Ω 0.4 H m +1 t=0 50 Ω 20 μF a) V(0) equals b) Alph (a) equals c) w equals d) The constant A1 equals e) The constant A2 equals volts +1
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- Inductive Circuits Fill in all the missing values. Refer to the following formulas: XL=2fLL=XL2ff=XL2L Inductance (H) Frequency (Hz) Inductive Reactance ( ) 1.2 60 0.085 213.628 1000 4712.389 0.65 600 3.6 678.584 25 411.459 0.5 60 0.85 6408.849 20 201.062 0.45 400 4.8 2412.743 1000 40.841You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a current draw of 36 amperes at full load. The motor is connected to a 480-volt line. A three-phase wattmeter indicates a true power of 22 kW. Determine the power factor of the motor and the amount of capacitance needed to correct the power factor to 95. Also determine the minimum voltage rating of the capacitors. The capacitors are to be connected in wye.Discussion For the circuit below complete the table R 5Ω 10 V 60 Hz 100 μF R Total 10+j0 Volts 10 Z0° 68.623m +j364.06m Amps 370.5m Z 79.325° 5+ j0 0- j26.5258 5 - j26.5258 Ohms 520° 26.5258 -90° 26.993 Z-79.325°
- or the coupled circuit shown in Figure 3, find the voltage across the capacitor of -j1092 reactance with Vi=1020° V and V2=10290° V? j20 www www 50 50 V₁ 5 100 Figure 3 5 V₂Q5: For the coupled circuit shown in Figure 3, find the voltage across the capacitor of -j102 reactance with Vi=1040° V and V2=10290° V? j20 50 j50 50 V2 Vi -j100 Figure 3The circuit in the figure is fed by a sinusoidal alternating voltage with a frequency of 50 Hz. The circuit consists of a resistor and a capacitor with the capacitance C= 600 μ Q. The power supplied to the circuit is P=400 W and the voltage across capacitor is UC=90 V. a) Calculate the current I. b) Calculate the resistance R. c) Calculate the voltage U (amount). d) Calculate the phase angle of the circuit
- An R−L−C series circuit has a current which lags the applied voltage by 45°. The voltageacross the inductance has a maximum value equal to twice the maximum value of voltageacross the capacitor. Voltage across the inductance is 300 sin(1000?) and R = 20 ohms. Computethe following: Value of total Impedance (Z) Value of Inductance (L) Value of Capacitance (C)Q5: For the coupled circuit shown in Figure 3, find the voltage across the capacitor of -j102 reactance with Vi=1020° V and V2=10490° V? j20 50 j50 j50 50 V2 -j100 Figure 3Calculate the branch currents and the total equivalent current of the complete circuit in Figure Q3. Draw the current phasor diagram for the complete circuit. The alternating Voltage source has an amplitude of 10 Vm Sine 50 Hz CI 1 mF C2 1.2 mF Figure Q3 RI 22 52 C3 0.4 mF R2 44 92
- SMTH 00 References Mailings Review View Help AaBbCcD AaBbCcDe AaE D- A - I Normal T No Spac. Head Paragraph 2. Find the equivalent inductance of the circuit if L= 20H 25 H 20 H 20 H 60 H 10 H 30H acerQ5] find the current of the resistance 1892 if the value of the source is 7.4sin(100πt-44) volt HH 1mF R1 ww 18Q R4 •14Ω 3.9mF 13.100, 78.163⁰ mA O 14.100, 78.163⁰ mA O 15.100, 78.163⁰ mA 0.093H V13. Sketch the current waveform for the circuit in Figure below. The diac has a breakover potential of 20 V. IH = 20 mA. 25 V rms R 1.0 ΚΩ