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101 102 10 10 10 10 10 10 - Increasing Frequency (v) 10 10 101 102 10v (Hz) Xrays UV || TR Microwave FM AM Long radio waves Radio waves 10 10 10-2 10 10 10 101 102 (m) 101 102 104 10' Increasing Wavelength () ► Visible spectrum 500 600 Increasing Wavelength() in nm -- Hz A wave has a wavelength of 1.00 E 14 meters. The frequency of the wave is A wave has a frequency of 7.11...
What is the magnitude of the current in the 20 resistor? 102 40V 20 22 60 V 102 0 1.0 A O 2.0 A O 1.5A O 0.50 A
3. A 200 MVA, 20 kV, 60 Hz Y-connected solidly grounded three phase synchronous generator connected through a 200 MVA 20/138 KV Y-Y transformer to a 138 kV transmission line. The generator reactances to the machine's own base are X-1.10 Both of the transformers Y connections are solidly grounded and its positive, negative and zero sequence series resitances are all 0.10 pu. a. What is the voltage at the terminals of the generator during the sub transient period if a...
1. [10pts] (a) Solve for 2 > 0 the DE: 20%Y" + 102’y" +59xy' + 45y = 0. Answer: Solution: (b) Solve the DE in Part (a) for r <0.
reactive power from 10d= 33.5VAR -33.5VA (2-1) 1201 20° 60 Hz (100+j50) 11. Assume the reactive power calculated in part d of problem 10 is added in parallel to the load impedance as shown here. You can assume VAN won't change significantly by doing this (that is, we'll live with whatever error we get by keeping VAN the same as in problem 10). Determine the reactance X that needs to be added and the amount of capacitance or inductance this...
2) A 460 V, 4-pole, 60 Hz, Y-connected, 40 hp, design class A induction motor is tested with the following results: No-load: 460 V, 8.7 A, 2500 W. 60 Hz Locked rotor: 42 V.48 A, 31 10 W. 12 Hz DC test: 24 V, 48 A Find the equivalent circuit of this motor (Ri, Ro. Xi. X. XM) and its rotational losses. (20 points) X, and A2 as functions of XL Retor Design Wound rotor Design A Design B Design...
please show psuedocode 4) A 208V, 60 Hz, 6 pole, Y-connected, 25 hp induction motor is tested in the laboratory with the following results: No Load: 208 V,22 A, 1200 W,60 Hz Locked Rotor: 24.6 V,64.5 4,2200 W.15 Hz DC Test: 13.5 V.64 4 a) Find the equivalent circuit parameters of this motor, draw the circuit and write the values beside each component. (10) b) Using MATLAB, write a program to plot its torque-speed characteristics curve. (10) 4) A 208V,...
Problem A 460-V, four-pole, 60-Hz, Y-connected induction motor has the following equivalent components R,-0.15Ω R,-0.154 Ω X2-1.066 Ω M.-20 Ω Xi-0.852 Ω /mech-400 W Pmise 150 Pcore 400 W Write MATLAB script to plot on two separate figures: a) the torque versus speed of the motor. b) the converted power versus speed of the motor. Problem A 460-V, four-pole, 60-Hz, Y-connected induction motor has the following equivalent components R,-0.15Ω R,-0.154 Ω X2-1.066 Ω M.-20 Ω Xi-0.852 Ω /mech-400 W Pmise...
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60 dB, approximately how many phons would you perceive? toward you with a speed v, starting a distance of 1 km away att 0. If the train moves very slowly (that is, v is extremely small compared to...
What are the similarities and differences between the two plots 20 Magnitude of H(s) 10 -10 A-20 -40 -60 -70 10 10 10 10 Magnitude of H(s) -8 -10 0-11 E -12 -13 -14 -15 10 10 w 10 20 Magnitude of H(s) 10 -10 A-20 -40 -60 -70 10 10 10 10 Magnitude of H(s) -8 -10 0-11 E -12 -13 -14 -15 10 10 w 10