Concept explainers
Assume the circuit shown in Figure 17-2 has an apparent power of 144 VA and a true power of 115.2 W. The inductor has an inductance of 0.15915 H, and the frequency is 60 Hz.
Want to see the full answer?
Check out a sample textbook solutionChapter 17 Solutions
Delmar's Standard Textbook Of Electricity
- 10. You're going to connect a surge protection device to a separately derived electrical system. In thissituation, the surge protection device should be connected atA. the load side of the first overcurrent protection device.B. the first connected IT cabinet.C. the end of the shortest branch circuit.D. the input to the transformer's primary winding.arrow_forwardFor the circuit of Figure 17–66, determine the net reactance that will make the impedance magnitude equal to 100 ohmsarrow_forwardA coil and capacitor are in parallel, with jBL = j0.05 and jBC = j0.03. What is the admittance vector, assuming that nothing is in series or parallel with these components? Provide illustration of the circuit.arrow_forward
- A circuit consists of an AC voltage source, a 10-ohm resistor, and a capacitor, all connected in series. The magnitude of the impedance of the capacitor is also 10 ohms. Which of the following is true about the phase angle difference between the source voltage and the current through the circuit? a. Insufficient information is given. b. The phase angle difference will be zero degrees. c. The phase angle difference will be 45 degrees. d. The phase angle difference will be 90 degrees.arrow_forwardAccording to the Reactive Power Compensation Regulation, capacitive reactive power should not exceed what percent of active power in the power plants whose power is greater than 50 KVA?arrow_forwardA 50 cycles, 3 phase alternator with grounded neutral has inductance of 1.6 mH per phase and is connected to busbar through a circuit breaker. The capacitance to earth between the alternator and circuit breaker is 0.003 uF per phase. The circuit breaker opens when rms value of current is 7500 A. Determine the following: i) Maximum rate of rise of restriking voltage. 1) Time for maximum rate of rise of restriking voltage. in) Frequency of oscillationsarrow_forward
- An inductor and a resistor are connected in series with a function generator. The voltage across the inductor is 10.6V pk. The voltage across the resistor is 3.6V RMS. Calculate the magnitude of the total voltage applied to the circuit.arrow_forwardA 13.2 kV, 60 Hz, 3-phase synchronous generator is connected in star and its neutral point is earthed while inductance per phase is 0.02 Henry. The generator is connected to a bus bar through a circuit breaker. The distributed capacitance up to circuit breaker between phase and neutral is 0.015 micro Farad. Determine the following: (i) Peak re-striking voltage (in kV) across the contact of circuit breaker; (ii) Frequency of oscillations (in kHz); (iii) Time to occurs first peak re-striking voltage (in micro second) and (iv) The average rate of rise of re-striking voltage (in mega volts per second)arrow_forwardCircuit analysis!!! please help. circle final answerarrow_forward
- Take a look at the attached screenshot. Then, write down in words you guess as to what would happen to the circuit if the below were to be adjusted. a) Frequencyb) Amplitudec) DC Offsetd) Time per Divisionarrow_forward11. An air core toroidal ring with a mean diameter of 25 cm and a circular cross sectional diameter of 4 cm is wound uniformly with 500 turns of copper wire of 1 mm diameter. Calculate the inductance of the coil.arrow_forwardGiven the circuit below a. Find the MAGNITUDE of the current through the capacitor (express answer in mA with 2 decimal places) b. Find the MAGNITUDE of the current through the inductor (express answer in mA with 2 decimal places) c. Find the MAGNITUDE of the total real power (express answer in WATTS with 2 decimal places) d. Find the MAGNITUDE of the total reactive power (express answer in VARS with 2 decimal places) e. Find the MAGNITUDE of the total impedance (express answer in ohms with 2 decimal places)arrow_forward
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning