(d) The impedance in ohm of each coil. (Polar form) (e) The value of the resistance in ohm of each coil. (f) The value of the reactance in ohm of each coil. (g) The power in each phase in W, when a watt meter is connected in eac phases. the
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- An inductor of 150hms and resistance of 10 Ohms are connected in series to a 230V, 50 Hz ac supply. Determine the active and reactive power and power factor in the circuit.Choose the correct statement for pure inductor connected across single phase AC supply. a. Current leads the supply voltage by 90° b. Current lags the supply voltage by 90° c. Current and Voltage are in phase d. None of theseA 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of158 volts, 50 Hz supplies the combination. Determine the following:a. Circulating currentb. Voltage across the resistorc. Voltage across the capacitord. Real power supplied by the source
- 1-Choose the correct statement for pure resistor connected across single phase AC supply. a. Current and Voltage are in phase b. Current leads the supply voltage by 90° c. None of these d. Current lags the supply voltage by 90° 2-Identify the current through the inductor in a RL transient circuit connected across DC voltage, when the switch is kept open. a. 0 b. Infinity c. V/R d. 1A utility company plans to connect a total of 20uF of capacitance to a 7200 volt line. To make this connection four capacitors will be connected in series. What is the capacitance of each capacitor? Answer is 80uF. Now what is the minimum AC voltage rating of each capacitor?Draw the sinusoidal waveform of the AC voltage and current for the given loads below. Describe the characteristics of the waveform for each load. A. Pure resistor B. Pure inductor C. Pure capacitor
- In order to obtain a highly links between two winding's, the coupling coefficient will be equal to . . of its maximum value. * .... ..... Twice One half Less than half More than halfTOE This is a photo of a capacitor that corrects the power factor in an AC setup, in DC it is used in electronic board for appliances and other small devices. Tell me something about this photo.1. Enumerate five formulas for five series connected inductances across Vt source and draw the circuit. 2. Enumerate five formulas for five parallel connected inductances across Vt source and draw the circuit.
- A 220 V, 60 Hz voltage is applied across a series circuit figure comprising a coil of resistance R, inductance L, and capacitor C, determine: (a). The impedance of the circuit. (b). The current flowing in the circuit. (c). The voltage developed across the inductor. (d). The voltage dropped across the capacitor. (e). The voltage dropped across the resistor. (f). The phase angle. 220 V 60 Hz R = 12 Q C= 550 µF R L V₁ V L= 3 mH VcA generator rated at 30MVA, 11kV has a reactance of 40%. Calculate its p.u. reactances for a base of 50MVA and 10kV. O 0.606 p.u. O 0.506 p.u. O 0.806 p.u. O 0.706 p.u.Each of the conductor in a parallel-plate capacitor is calleda. dielectricb. insulatorc. platesd. terminal