a) calculate the power factor experienced by the inductive loach b) what should be the value...
An Inductive load 1 phase pulling power 6 kW on power factor 0.85 lagging and voltage 230 V. Find : a) Reactive power and Apparent power consumed by the load b) Load impedance c) Draw the triangle power of the load
An industrial load absorbs 400 KVA at a power factor inductive
of 40% at 5 KV and 60 HZ power line. To improve the power factor up
to 85% inductive, what should be the Q delivered and the value of
necessary capacitor to connect in parallel with that industry?
Problem #5: An industrial load absorbs 400 KVA at a power factor inductive of 40% at 5 KV and 60 HZ power line. To improve the power factor up to 85%...
The power factor of an inductive load is 0.25 at the third-harmonic. The power taken by the load due to the third harmonic is 500 W. Find the displacement power factor of the load at the fundamental frequency and the power absorbed at the fundamental frequency
C) is this an inductive or capacitive load? why?
d) what is the power factor of the load.
1. The Y-Y three phase balanced system has the following parameters. (30pts) Vo_an/bn/cn = 12Vrms Lo=3mH Ro=5k2 RLINE =8k2, Freq = 300KHz. RLOAD =20k.2 LLOAD=9mH CLOAD =0.001uF RLINE_A RLOAD_A Roa La LLOAD_A CLOAD A N CLOAD_BY CLOAD_C Vb bn LLOAD_C LC LLOAD_B Ro C HRLOAD_C RLINE_B Ro B RLOAD_B RLINE_C
(a) Thevenize the circuit at terminals a-b as shown in Figure-4 (b) What should be the load impedance, Zi for maximum power transfer? (c) What is the maximum power that can be transferred to load ZL? Q4: [12+2+6] 3 Ohms 2 Ohms zLoad Volts (RMS) 1 Ohm 0.2 I1 Figure-4
For the circuit shown above,
(a) determine the impedance ZL results in maximum average power
transfer to ZL ?
(b) What is the maximum average power transferred to the load
impedance determined in (a) ?
20/0° © 2003 -j6n+ Z For the circuit shown above, (a) determine the impedance ZL results in maximum average power transfer to ZL? (b) What is the maximum average power transferred to the load impedance determined in (a) ?
-An electric load consists of a 4Ω resistance, 6Ω inductive reactance and 9Ω capacitive reactance connected in series. The total impedance of the load is connected across a voltage source of 120 V: a) Compute the power factor of the load. Pf- b) Compute the source current c) Compute the real power of the circuit. d) Compute the reactive power of the circuit. Isource
3. For the network below, find the complex power S for each element. Show that Σs-0. j4 Q 3Ω 50 450 V (ms) -j6 A (ms) HE 4. For the network shown, determine (a) the value of the load impedance ZL such that maximum power is delivered to the load and (b) the complex power for a load having this value of impedance. 8 Ω -j1 Q 6 Loo A (ms) 50 L00 V (ms) j15 ZL
In a transformer load test (Resistive and at a unity power factor), what should be the expected voltage regulation and primary power factor?
A load impedance consists of 25 ohm resistance in series with 38 ohm inductive reactance. The load is connected across a 60 Hz, 240 V rms source. Use the voltage source as the reference (zero phase angle). a. Draw the circuit diagram. b. Calculate the value of inductance. c. Calculate the phasor value of current through the load impedance. d. Which leads, current or voltage? e. What is the phase angle between current and voltage? d. Calculate the phasor value...