For a 120/208 V, 60 VA single-phase transformer, the approximate equivalent circuit parameters, seen from the low voltage side, are given as: Re,-0.06 pu. Xeqー0.04 pu, R,-20.45 pm, Xm-35.5 pu Draw the approximate equivalent circuit and show all model components Using the base values of 3-120 V and SB-60 VA, compute: (a) Base current and impedance (b) Real values of the equivalent circuit parameters (c) Per-unit and the real values of the magnetizing current. Compute the voltage regulation and efficiency...
This problem is related to the maximum power transfer analysis and voltage collapse. Power Company A plans to export power to Company B. 1. jX X 0.8 pu VA base-1500 MVA (3-d) V base 350 kV (L-L) PF-0.95 Company A CompanyB a) (0 points) Calculate the maximal MW amount that can be delivered to Company b) (10 points) At the maximum power transfer level you found in (a), what is the c) (10 points) Suppose Company B decides to import...
ons Nse-12) Nc(-120) Q1: A 100 VA 120/12-V transformer is to be connected so as to form a step-up autotransformer (see Figure). A primary voltage of 120 v is applied to the transformer. a) What is the secondary voltage of the transformer? Q1: A 100 VA 120/12-V transformer is to be connected so as to form a step-up autotransformer (see Figure). A primary voltage of 120 v is applied to the transformer. a) What is the secondary voltage of the...
4. The MOSFET in the circuit given below has Vi- 1 V, kn 0.8 mA/V2, and VA 40 V a) Find the values of Rs, Ro, and Ro so that Io -0.1 mA, the largest possible value for RD is used while a maximum signal swing at the drain of tl V is possible, and the input resistance at the gate is 10 MS2. b) Find the values of gm and ro at the bias point c) If terminal Z...
The disk shown moves in the xy plane. Knowing that (vA), = 8 m/s, (vB)x = -9.6 m/s, and (vc)x = - 1.2 m/s, determine (a) the angular velocity of the disk, (b) the velocity of point 0, (c) whether any point of the disk has zero velocity. and VB = (®g);i + (vp}yj %3D VA = (vA),i + (valyj %3D Vc = (v©ki + (v©\yj AO xr 600 mm
R 0 Rz 3 + VA R3 + 3 VA Vg + Ig mm HU WW Ry you are given: Ri = R2 = Rs = RA 19, V, = 8V and 1, - 8A. a) Draw the graph and identify a tree that satisfies the guidelines (include resistor RA in the tree as well). b) Formulate and solve the node voltage equations in matrix form (stick to the given node numbering!). c) Compute all the powers, and verify that...
3. Consider the following single stage amplifiers V. Assume the signal source% of having a (a) when terminal X is grounded, terminal Z s connected to the signal source and terminal Yis x connected to R 1 k). DRAW the DC AND AC circuits. Determine the type of amplifier.(15pts) 10 MO (b) when terminal Y is grounded, terminal x is connected to the signal source and terminal Z is connected to R, a 1 kil DRAw the DC AND AC...
Suppose you measure the terminal voltage of a 1.585V alkaline cell having an internal resistance of 0.100 Ω by placing a 1.00kΩ voltmeter across its terminals. (See figure.) What current flows? A. 1.59 mA B. 159 mA C. 1.58 mA D. 15.9 A Find the terminal voltage. A. 1.5850 V (need four digits to see the difference) B. 1.5852 V C. 1.5848 V D. 1.6850 V To see how close the measured terminal voltage is to the emf, calculate their...
Solve for all currents in this circuit. Find the voltage difference ΔνΑΒ-Va-Va 3.92 6.7 2 "12V 1.2 9.0 VI. 9.8 Ω 12.52 8.45 Ω Identify the resistors that have the same current flowing through them. b. a. Identify the resistors that have the same voltage drop across them. What is the current through the 13.8 13.8 2 17.2 Ω C. 15.02 ohm resistor? d. How would your answer change if the 17.2 ohm is replaced by a wire? Assume the...
Find the following quantities: (a) Voltage across R3 (b) Current through Rs (c) Power Supplied by the source 1kΩ ΑΛΛ. RiR2 1.2 kΩΣ 6 kg 54 ΚΩ 20ν 20 V R3 R6 S2 ΚΩ 3 kΩΣ R, 6.6 ΚΩ ΛΜ R,