Question 16 What is the reactive power absorbed by the (39+j26).2 load? 1 12 M 1412...
Calculate the reactive power absorbed by the load shown below
when its impedance is 70+j45.570+j45.5 and Ix = 39.0 A-rms.
vo V
112 mann Is → I 2652 250 20° V(rms) -j100 12 j392 Quiz 12b The load L is the series resistor and inductor in parallel with the capacitor. a) Calculate the rms phasors Vi and IL | Vel= Vrms. Phase angle Vų = ° (Degrees) (smallest negative angle) | IL 1 = Arms Phase angle IL = (Degrees) (smallest negative angle) b) Calculate the average power and magnetizing reactive power absorbed by the (26+j 39) 22 (Ohm) elements. Pavg =...
If a three-phase load is a pure reactive load, then the power calculated has units of _____. A delta-connected three-phase alternator is driving a wye-connected resistive load. The alternator output voltage is 480 V. The load resistors are 12 W each. What is the phase current in the alternator?
(a) Calculate the value of I, as shown in Figure 2(a) [12 Marks) *12 LOAD 2 Real Power P=16 kW Power Factor 0.85 lagging Vs LOAD 1 Real Power P=12 kW Power Factor 0.866 leading 2202 0° V LOAD 3 Reactive Power Q = 20 KVAR Power Factor 0.6 lagging Figure 2(a)
A balanced A-connected load of Z,=12+39.0 12 is connected to a power supply via a transmission line with impedance of Zrl=0.6+j2.5 12, find Transmission Lines o 20820 V AC 2084(0–240°) v umaza 10 AC 2084(0-120°) v mm | za | Three-Phase 208 V, 60 HZ Power Supply Three-Phase A-Connected Balanced Load @@OGO E the load line and phase voltages (magnitude and angle), the load line and phase currents (magnitude and angle), the total load's real, reactive, and apparent powers, the...
Question 9 (26 marks) Figure 1 shows a single phase load (represented by an impedance ZD) connected to a single phase 50 Hz supply system represented by an ideal voltage source Vs behind a system impedance Zs Figure 1 (i) If Vs-230 volts, Zs=(0.1tj0.05) ohms and ZDF(4.940.95) ohms find the voltage across the load (13 marks) (ii) If a 121.3 uF compensation capacitor is connected in parallel with the load recalculate the (13 marks) and the real and reactive power...
Question 1 Load and Power Factor (Constant Rotor Field, E < V) Load and Power Factor (Constant Rotor Field, E = V) Load and Power Factor (Constant Rotor Field, E > V) Eno-load = V Eno-load 12 12 12 min = ? Omar = ? Amin = ? emax = ? Amin = ? emax = ? V : no-load Pmax Emar-load Emar-load Emax-lond chteh chteh chteh With reference to Chapter 4: Slides 22-24, determine the range of power factors...
Calculate the power absorbed by each element in the circuit in Fig. P1.32. 12 V 12 V 2 A 4 V 2 3 2 A 6 A 1,-2A
Rg = 50ohm
Max power is transferred when load is complex conjugate of
system resistance
Therefore for Load Impedance,Zl = 50 -
j*(2*pi*2.5*10^3*5*10^-3)
=> 50 - 78.54 j
Resistance in Load,R = 50 ohm
Capacitance in Load,C = 8.106*10^-7 F = 0.8106 micro
Farad
d.Determine the apparent power | S |, reactive power Q, and the power factor pf associated with the source. 5 mH High-Q inductor Function Generator Vs Load 2.5 KHz 5 V rms OV DC offset Ground
Name: 23. A 3-phase, 5000 hp, 6000 v,60 Hz, 12-pole wound-rotor induction motor has the 1, resistance between stator terminals-o12 Ω 2. resistance between rotor slip-rings-0.0073 Ω 3. windage and friction losses-51 kW following characteristics 4. iron losses in the stator-39 kW 5. locked rotor current at 6000 V-1800 A 6. active power to the stator with rotor locked 2207 kw Calculate under full-load voltage locked-rotor conditions a. Reactive power absorbed by the motor b. FR losses in the stator...