120 Loo El For The circuit shown Zlor - a) Find S, Q,P and VEMS (...
Need help solving the circuit with 120V 60Hz power network 21 Set up the circuit shown in Figure 3. + L1 11 + Ri E1 Xci R3. L2 X3 E2 Xc2 L3 12 XC1,XC2, XC3 R1,R2,R3 (O Local ac power network Frequency (Hz) Voltage (V) 240 171 60 120 880 629 50 220 960 686 50 240 Figure 3. Balanced, three-wire, delta-connected, three-phase circuit set up for power measurements using the two-wattmeter method. 22 in order to obtain the resistance...
A 1.2 KVA, 480/120 V, 60Hz real step-down transformer has the following parameters that are all referred to the primary-side: the total copper loss R = 2.4 N, the core loss Rc = 2.4 K2, the magnetization reactance Xm = 2 K2, and all the leakages are negligible. Suppose that the output port in the secondary-side is operated at full-load and rated voltage with the unity power factor, i.e., p. f. = 1. (a) Draw its equivalent circuit; (b) Find...
2) Use the circuit to the right. a) (20pts) Find the circuit's total apparent power. a P = 500W Q30OVAR f = 60 Hz V = 120V 20° P = 100W Q=1000VAR P=OW Q = 400VAR b b) (10pts) Is the circuit's power factor leading, lagging, or neither? c) (10pts) What type (R, L, or C) of component should be used to connect to points "a" and "b" for power factor correction (Fp = 1)? d) (20pts) What component value...
Rs 100Ω resistor C- 10 uF capacitor L- 120 mH inductor Write the impedance Z [Q] equation for the circuit shown in Figure 1. This formula should be in term of the frequency (f), not for angular frequency (). (using MATLAB) 1. From the above formula, plot power factor versus frequency over the frequency range 0 Hz to 1000 Hz. You may use a MATLAB program to do the plotting. 2. Find the frequencies for; Maximum power factor, Minimum power...
For the following circuit find (15 Points): What is the power factor (PF)? What is the real power (P) delivered by the source (in Watts)? What is the Apparent Power (S) in Volt-Amp? I 6 7 12 For the following circuit find (15 Points): What is the power factor (PF)? What is the real power (P) delivered by the source (in Watts)? What is the Apparent Power (S) in Volt-Amp? I 6 7 12
Simple AC circuit problem (I WILL DOWNVOTE IF YOU DO NOT EXPLAIN WHERE I AM GOING WRONG). Problem: Obtain the overall impedance Z given the following info: Real Power = 1000 W, Power Factor = 0.8 leading, Vrms = 220 V I am doing the following: Get the power angle phi by taking the inverse cosine of Power Factor. phi = 36.87 degrees. From the power triangle, Q = (Real Power) x tan(phi). Q = 750. S = P +...
Experiment # 8-Prelab Measurement of Single Phase AC Power by Wattmeter 8.1.The measured current in Figure 8.3 is 10 A and the measured power is 900 W. Consider that the wattmeter is ideal (doesn't change the voltage and current through the load) and determine: a) The resistance of the motor coil (R); b) The inductance of the motor coil (L); c) The power factor of the motor coil (cosp) d) The complex power (S); e) The reactive power (Q): f...
(a) Given a circuit in Figure Q4(a): (1) State the condition for maximum average power transfer to the load impedance. Z (2 marks) (1) Determine the load impedance, Z (4 marks) (in) Find the maximum average power (5 marks) Lt mm JI R RE 492 120° A 20 C. 70.502 W ZL 1 Figure Q4(a) An air conditioner operates at 240V... at a frequency of 60 Hz. It absorbs an average power of 9 kW at a lagging power factor,...
For the following resonant series circuit shown in fig. 1, find : - Quality factor, Q. - Bandwidth, B. - The voltage across the capacitor. - The voltage across the inductor. - The voltage across the resistor. L = 4.7 mH C = 0.001uF S R = 470 VIN-1 V Fig. 1 Resonant series circuit
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply. The load-1 is a resistive load (lamp) with a total power of 5 kW. The load-2 is a motor drawing 10 kVA at 0.6 power factor, lagging. The capacitor is initially not connected a) Calculate the load currents (phasor) I and 12 14] b) Calculate the supply current I c) What is the power factor of the source when it supplies to both loads?...