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1. Transforn Consider the transformer shown below V2 Figure 1: Diagram for problem 2 (a) If...
2. Figure 5 depicts how power is distributed from the power company to their customers through a combination of two transformers and a transmission line The transmission line is shown to have a resistance equal to 22. N, and N2 represent the number of turns on the primary or the secondary of the two transformers. İp is the current provided by the power company iis the current through the transmission line The power company provides 120v, 60 Hz to the...
Problem 4 (20pts). A transformer with N1, N3 turns at the input and N2, N4 turns at the output is wrapped as drawn. The magnetic flux in the core is given as Q = -20sin(wt) (Wb), and Ry = 1k1. Find: a) V2, V3 and 12, 13. b) Direction of I2, I3. c) What is Rin? N2=600 N2=300 Nz=100 N4=300 1 12 Iz Rin RL WW V V2 V3 Ri=100012
Problem 4 (20pts). A transformer with N1, N3 turns at the input and N2, N4 turns at the output is wrapped as drawn. The magnetic flux in the core is given as Q = -20sin(wt) (Wb), and R, = 1k.. Find: a) V2 V3 and 12, 13. b) Direction of 12, 13. c) What is Rin? N=600 N2=300 Nz=100 N=300 12 13 Rin RL V V2 V3 R -100082
2.120 pts] A schematic diagram of transformer is shown below. The closed path, l in the magnetic circuit in the Figure is traced by magnetic flux Ф. N,, N2, and 11, 12 are the numbers of turns and the currents in the primary and secondary circuits, respectively. The permeability, and cross-section of ferromagnetic core is, u and A İl(r) (a) [6 pts] Draw an equivalent magnetic circuit with two magnetomotive force, Vmmfi, and Vmmf2, magnetic closed flux, 4, and magnetic...
Problem 3 Consider a three-winding transformer, as shown in Figure (2.) with the following particulars: Zp=0.025+j0.08 V =410 Zs= 0.025+j 0.07 12=55/-30° Z= 0.025+ 0.08 13=45/-40° Assume that V1 is the reference, calculate: (a) The primary current 1: [5 points] (b) The intermediate voltage Vo [5 points) (c) The secondary voltage V2 and tertiary voltage V3 referred to the primary side. [5 points] (d) The apparent powers and power factors at the primary, secondary and tertiary terminals. [5 points) (e)...
Problem 5: (15 points) Consider a one-line diagram shown below: V1 V2 10240° kVLL Ti Zline -50 2/phase D1 e 1002-45° A/phase ΥΆ D2 ,-1500L-459A/phase İttiphong Leevongwat Page 1 of 2 ENEE-3522 Fall 2018 Homework 4 T is Y-Y transformer rated 50 MVA3φ, 23/230 kViL with leakage reactance of 0.1 Ω/phase. Low-voltage side (primary) is connected to the generator. T2 is Y-A transformer made up of three identical single-phase transformers each rated 15 MVA1φ, 132/11 kV with leakage reactance of...
5. Consider the one-ine diagram shown below. The three-phase transformer bank is made up of three identical single-phase transformer, each specified by X1-0.004 Ω (on the high-voltage side), negligible resistance and magnetizing current, and turns ratio N2/N,-10. The transformer bank is delivering is delivering 110MW at 0.9 power factor leading to a substation bus voltage is 230kV. Determine the reactive power supplied by the source. (3.47) whose To rest of the system Generator ΔΥ 230-kV substation bus Step-up transformer bank...
Polar form please For problems 1-5 below, use the autotransformer diagram below. The transformer is wired in a boost configuration and is operated at rated load. The high side of the transformer is connected to the ac power source. 1. If the transformer ratings VIS = 120 V; VS =15 V; S are: 75 VA, What is Vo? Rated 2. If Vo 250 V and lo 10 A, what is the power delivered to the load resistor? 3. If the...
An ideal transformer is connected as shown below. If Vs = 83 V, N1 = 7, N2 = 2, and R = 294 , what is the magnitude of the resistor voltage drop VR (in V)? Vs N:N Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Submit How much current does the source supply (IA, in A)? Points possible: 1 Allowed attempts: 3 Retry penalty: 33.333% Submit An ideal transformer is connected as shown below. The circuit parameters are...
Ri R2 Vi 5Ω 10Ω 10 V 10 Figure 1: The circuit of Problem 1 Find V2(t) for all time t20 for the circuit shown in Fig. 1 with initial conditions Vi(0) 3V anc ½(0) = 1 V. Ri R2 Vi 5Ω 10Ω 10 V 10 Figure 1: The circuit of Problem 1 Find V2(t) for all time t20 for the circuit shown in Fig. 1 with initial conditions Vi(0) 3V anc ½(0) = 1 V.