7. Determine the impedance of the circuit of Figure 2.7.4. j150 300 w -j 550 Figure 2.7.4
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- 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. %3D2.)What is the difference between Ampere's law and Biot-Savart's law?A triac can pass a portion of …………… half-cycle through the load a. neither positive nor negative b. both positive and negative c. only negative d. only positive
- Which of the following statement is true? a. Angle between load voltage and load current in a pure capacitive load is 45 degree. b. Angle between load voltage and load current in a pure capacitive load is is 180 degree. c. Angle between load voltage and load current in a pure capacitive load is is zero. d. Angle between load voltage and load current in a pure capacitive load is is 90 degree.We want to investigate how the field strength will be with air as dielectric and with steatite. A plate capacitor is placed in a 24 kV network between phase and ground. The relative permittivity of air is &=1 and for steatite &-6. The plate capacitor has area = 1m². The distance between the electrodes is 2 mm. Ep = 8.854-10-12 F/m A=1m² d=2mm a) Calculate the maximum field strength in the plate capacitor. (Answer: 9.8kV/mm) b) What is the capacitance of the capacitor if we use steatite? (Answer: C = 26.6nF)If the input voltage for the given circuit below is 220 V at 50 Hz, the load resistance (RL) is 3300 and the average output voltage is 20 V. Assume the diodes to be germanium diodes. Determine the turns ratio of the transformer used. If a capacitor of 100 µF is connected parallel to the load resistor (RL), Determine the ripple factor. D1 D2 V D3 .... D4 RL a. The turns ratio of transformer (Npri/Nsec) is b. The Ripple factor is cell rell
- The circuit in Figure 2.5(a) is used to rectify a sinusoidal input signal with a peak voltage of 120 V and a frequency of 60 Hz. A filter capacitor is connected in parallel with R. If the output voltage cannot drop below 100 V, determine the required value of the capacitance C. The transformer has a turns ration of N 1: N 2 = 1: 1, where N 2 is the number of turns on each of the secondary windings.. Assume the diode cut in voltage is 0.7 Vand the output resistance is 2.5 kQ.91)Give Short Ansaers:- a) Determine the dimensions of and Inductance. 2) Differentiiate classi Fication used c) Difine resoluticn one Capacitance between different for Absolute standards Electrical measurinents accuracys and elror example each,1. Enumerate five formulas for series-parallel capacitances across Vt source and draw the circuit. 2. Enumerate five formulas for parallel-series capacitances across Vt source and draw the circuit.
- Complete solution and add phase angles. Please put clear derivation of formulas. Thank you.١-The PMSM used in the industry due to: a- Their low noise. b- Their easy control arrangement. c- Their efficiency. 2- The BLDCM used in the industry due a- Their low noise. b- Their easy control arrangement. - Their efficiency. 3- The (PMSM) supplied by: a- DC voltage. b- AC voltage of sinusoidal waveform. C- AC voltage of trapezoidal waveform. Choices13. Susceptance and conductance add to form.A. Impedance.B. Inductance.C. Reactance.D. Admittance.