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Given the circuit in the following figure, ZL 220/-120 V z ZL 220/120 V7 where Z1...
please solve as soon as possible, thank you. Q3: For the following circuit, Z;=6+j9.2, Z=2+j112, ZL=2-310...
please solve as soon as possible, thank you.
Q3: For the following circuit, Z;=6+j9.2, Z=2+j112, ZL=2-310 S2, Vab= 90 cos(120xt+10°) V, Vbc= 90 cos(120t-110°) V, Vca= 90 cos(120xt+130°) V. Vbc Z, Fig. Q3: the circuit of Q3. a) Find the line currents I, I, and Ic. (15 marks) b) Compute the current through each voltage source, 11, 12, and 13. (9 marks) c) Find the reactive power produced by each voltage source in the delta configuration. (6 marks)
Explain Please. A balanced, positive-sequence, wye-connected source has V- 220/0 V rms and supplies an unbalanced...
Explain Please.
A balanced, positive-sequence, wye-connected source has V- 220/0 V rms and supplies an unbalanced wye-connected load ZAN-7 10 Ω, ZBN-8 +j6 Ω, and ZCN 10-j12 Ω via transmission lines with impedances ZA-2 +jl Ω, ZB-2-j0.5 Ω, and ZC-2 +j | Ω (a) Label all node voltages and loop currents (b) Determine the currents IaA? IbB, and 1cC. (c) Determine the voltages VAN, N, and VCN (d) Determine the voltages VAR, VRc, and VCA (e) (i) Determine the total...
For a 120/208 V, 60 VA single-phase transformer, the approximate equivalent circuit parameters, seen from the...
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...
14) In the parallel circuit below, the following values are given: Vs1 12 V R1 120...
14) In the parallel circuit below, the following values are given: Vs1 12 V R1 120 R2 220 R3 330 Determine the voltage across VR1 if the current through R3 63.7 mA SR1 R3 RZ A)7.42 V B) C) D) 15) In the parallel circuit below, the following values are given: Vs1 12 V R1 120 R2 220 R3 330 Determine the voltage across VR1 if the current through R3 45.5 mA. R1 R3 R2 A) 5.29 V B) C)...
Referring to the three-phase circuit in Figure 2, find the line currents, the voltage across the...
Referring to the three-phase circuit in Figure 2, find the line
currents, the voltage across the load, and the average power
absorbed by the connected delta load with ?∆ = 21 + ?24Ω.
100/0° Vrms 1Ω j0.5 Ω -- ΖΑ 100/-120° Vrms 1Ω j0.5Ω ΖΑ ZA 100/120° V rms 1Ω j0.5 Ω
The load shown in Figure 2.22 consists of a resistance R in parallel with a 2.6....
The load shown in Figure 2.22 consists of a resistance R in parallel with a 2.6. capacitor of reactance X. The load is fed from a single-phase supply through a line of impedance 8.4 + j 11.2 Ω. The rms voltage at the load terminal is 120020° V rms, and the load is taking 30 kVA at 0.8 power factor leading. (a) Find the values of R and X (b) Determine the supply voltage V. 8.4 +j11.2 2 120020 VRTX
The A-4 circuit is given below, where V, - 191 20" V. V. = 191 2–120...
The A-4 circuit is given below, where V, - 191 20" V. V. = 191 2–120 V, and V = 191 2120° V. a A 30 ΩΣ (+) V. j10 ΩΕ 30 Ω b GV B 30 Ω Ej102 V. j10ΩΕ C с References eBook & Resources Section Break Difficulty: Medium Problem 12.019-DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS Learning Objective: Understanding and analyzing balanced delta-delta circuits. 2. value: 10.00 points Problem 12.019.a - Phase currents in a balanced delta-delta...
Consider a single-phase circuit where a 14 kV, 60 Hz voltage source feeds an electric load...
Consider a single-phase circuit where a 14 kV, 60 Hz voltage source feeds an electric load through a feeder whose impedance is 1.5 + j 3 Ω. The load is known to consume 4 MW and 3 MVAR. Let V and δ represent the rms voltage and its phase angle (relative to the source voltage) at the load terminals. Two equations are needed to solve for V and δ. 1) Derive two analytical expressions in terms of V and δ...
Consider the circuit shown in (Figure 1). Suppose that V, = 415 0°V (rms). 4 Ω...
Consider the circuit shown in (Figure 1). Suppose that V, = 415 0°V (rms). 4 Ω ν j3ΩΙ 120 Ω + j90 Ω Source- Line - Load Find the average power dissipated in the line in the figure. Express your answer to three significant figures and include the appropriate units. t НА ? ? P= Value Units Find the capacitive reactance that, when connected in parallel, with the load will make the load look purely resistive. Express your answer to...
A 3-phase circuit is shown in figure below. Load resistors (66 ?) are connected in delta...
A 3-phase circuit is shown in figure below. Load resistors (66 ?) are connected in delta and supplied by a 220-Vrms (line-to-line) balanced three-phase source through three lines of 2-ohm resistance. Determine the magnitude of the root-mean-square, line-to- line voltage across each 66-ohm resistor. 212 66 ? 2? O a 110 V ob, 120 V , 198 V O d. 200 V O e.202 V
please solve as soon as possible, thank you.
Q3: For the following circuit, Z;=6+j9.2, Z=2+j112, ZL=2-310 S2, Vab= 90 cos(120xt+10°) V, Vbc= 90 cos(120t-110°) V, Vca= 90 cos(120xt+130°) V. Vbc Z, Fig. Q3: the circuit of Q3. a) Find the line currents I, I, and Ic. (15 marks) b) Compute the current through each voltage source, 11, 12, and 13. (9 marks) c) Find the reactive power produced by each voltage source in the delta configuration. (6 marks)
Explain Please.
A balanced, positive-sequence, wye-connected source has V- 220/0 V rms and supplies an unbalanced wye-connected load ZAN-7 10 Ω, ZBN-8 +j6 Ω, and ZCN 10-j12 Ω via transmission lines with impedances ZA-2 +jl Ω, ZB-2-j0.5 Ω, and ZC-2 +j | Ω (a) Label all node voltages and loop currents (b) Determine the currents IaA? IbB, and 1cC. (c) Determine the voltages VAN, N, and VCN (d) Determine the voltages VAR, VRc, and VCA (e) (i) Determine the total...
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...
14) In the parallel circuit below, the following values are given: Vs1 12 V R1 120 R2 220 R3 330 Determine the voltage across VR1 if the current through R3 63.7 mA SR1 R3 RZ A)7.42 V B) C) D) 15) In the parallel circuit below, the following values are given: Vs1 12 V R1 120 R2 220 R3 330 Determine the voltage across VR1 if the current through R3 45.5 mA. R1 R3 R2 A) 5.29 V B) C)...
Referring to the three-phase circuit in Figure 2, find the line
currents, the voltage across the load, and the average power
absorbed by the connected delta load with ?∆ = 21 + ?24Ω.
100/0° Vrms 1Ω j0.5 Ω -- ΖΑ 100/-120° Vrms 1Ω j0.5Ω ΖΑ ZA 100/120° V rms 1Ω j0.5 Ω
The load shown in Figure 2.22 consists of a resistance R in parallel with a 2.6. capacitor of reactance X. The load is fed from a single-phase supply through a line of impedance 8.4 + j 11.2 Ω. The rms voltage at the load terminal is 120020° V rms, and the load is taking 30 kVA at 0.8 power factor leading. (a) Find the values of R and X (b) Determine the supply voltage V. 8.4 +j11.2 2 120020 VRTX
The A-4 circuit is given below, where V, - 191 20" V. V. = 191 2–120 V, and V = 191 2120° V. a A 30 ΩΣ (+) V. j10 ΩΕ 30 Ω b GV B 30 Ω Ej102 V. j10ΩΕ C с References eBook & Resources Section Break Difficulty: Medium Problem 12.019-DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS Learning Objective: Understanding and analyzing balanced delta-delta circuits. 2. value: 10.00 points Problem 12.019.a - Phase currents in a balanced delta-delta...
Consider a single-phase circuit where a 14 kV, 60 Hz voltage source feeds an electric load through a feeder whose impedance is 1.5 + j 3 Ω. The load is known to consume 4 MW and 3 MVAR. Let V and δ represent the rms voltage and its phase angle (relative to the source voltage) at the load terminals. Two equations are needed to solve for V and δ. 1) Derive two analytical expressions in terms of V and δ...
Consider the circuit shown in (Figure 1). Suppose that V, = 415 0°V (rms). 4 Ω ν j3ΩΙ 120 Ω + j90 Ω Source- Line - Load Find the average power dissipated in the line in the figure. Express your answer to three significant figures and include the appropriate units. t НА ? ? P= Value Units Find the capacitive reactance that, when connected in parallel, with the load will make the load look purely resistive. Express your answer to...
A 3-phase circuit is shown in figure below. Load resistors (66 ?) are connected in delta and supplied by a 220-Vrms (line-to-line) balanced three-phase source through three lines of 2-ohm resistance. Determine the magnitude of the root-mean-square, line-to- line voltage across each 66-ohm resistor. 212 66 ? 2? O a 110 V ob, 120 V , 198 V O d. 200 V O e.202 V
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