4. -Find: a) The total power triangle b) The total power factor. c) Total current intensity, before and after correction. d) The equivalent impedance of the circuit e) The KVAR necessary to correct the F.P to the unit. P4-0 W P1-650 W P2-950 W Q1--650 FP=0.85 at P3 800 W Q3700 Q4 750 VAR at VAR ad VT-220.0° VAR at
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- Determine the DC currents (la. lc and I) and dc junction voltages (Var Ver and Vca) la-Blank 1 mA, le-Blank 2 mA, I-Blank 3 mA, Var Blank 4 V, Vcr Blank 5 V and VcB - Blank 6 V Use 2 decimal places. Use the following values. VBB= 3V RB= 5kOhms Rc=232 ohms Vcc =18 V BDC=65Please show you detailed solution Number 10 A voltage of 250 volts at 50 Hz is impressed on a circuit having a 60-ohm resistor, 35-?F capacitor, and a 0.25-henry inductor in series. Determine power factor. A. 0.979 C. 0.924 B. 0.862 D. 0.707[2] A D.C. to D.C. chopper operates from a 48 V battery source into a resistive load of 240hm. The frequency of the chopper is set to 250Hz. When chopper on-time is 1 ms the load power is A. 6W B. 12W C. 24W D. 48W
- If the voltage V, = 800 mV, then the current flowing in the load I, is: %3D -j20n Select one: O a. None of these O b. Is 100 <-90° mA O c. Is 5.0<.-90° A O d. Is 5 <90° mA ellUse 3 decimal places and box the final answer. A 4-ohm resistor is in series with a 7.96-mH inductor connected across a 110-V 60-Hz source. Determine : a) the impedance b) the input current c) the voltage across the resistor and the inductor d) Draw the phasor diagram showing the current and the voltages. e) The power factor and the power input to the circuit.Task 3 A three phase, four wire star connected load consisting of: ZR: a resistor of 9500 in series with a 3H inductor ZB: a resistor of 1950 ZY: a resistor of 1950 in series with a 4µF capacitor Using the equipment available in the power lab (Room T017), connect the given load to a three-phase supply available in the lab and: 3.1. Determine the current of each line and the neutral current and measure the total power supplied by the source. 3.2. Analytically, calculate all currents and the total power and compare with those obtained in measurements. 3.3. Device a method and measure the waveform of the neutral current. Discuss the obtained waveform and the reason for any distortion in the waveform 3.4. Validate your calculations using computer simulation
- Determine the DC currents (IB, Ic and lĘ) and dc junction voltages (VBE, VCE and VCB) Ig=Blank 1 mA, Ic=Blank 2 mA, IĘ=Blank 3 mA, VBE= Blank 4 V, VCE = Blank 5 V and VCB = Blank 6 V Use 2 decimal places. Use the following values: VBB = 2V RB = 7 kQ Rc = 248 Q Vcc = 19 V BDc = 56 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer Blank 6 Add your answerIn case RL load, it is desired to get an average load voltage of 75 V. Determine the firing angle if the ac supply voltage is 200V per phase. If the load resistance is 302, calculate the average load current and power. Design the thyristor. 4-1) Two identical voltage waveforms of difference phase angles are shown in Figure B. Write down the expression of waveforms A and B clearly. HUS Voltage (V) 8 0 K/N B 7: ST ot
- A 50 Hz high voltage Schering bridge is shown in the figure. The component parameters are as follows under balanced condition: Cs-150 microfarad, C2-0.677 microfarad, R2-634 ohm, and R1-168 ohm. Find the dissipation factor of the tested material. 220V rms Lütfen birini seçin 0.1340 b.0.1672 E0051 0.0.0749 e.0.1128 88888888 00000000 25 kV rms R R₁ R₂ II (C₂ 12²Use the information below to answer questions 24 und 25. The voltage across and the current through a load are (10+ j5Y and (2-jiArespecively. 24. What is the reactive power in VArconsumed? D. 0 A. 15 C. 20 D. 25 25. What is the pawer factor of the load? A. 0.8 leading B. 0.8 Jagging. -D. 0.6 ligging C 0.6 leadingWhat will be the value of the twiddle factor: W42