, reactive and apparent power consumed by the lo
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A source whose voltage is ? (?) = 50√2 cos (?? + 30 °) ? supplies a load of impedance ? = (4 + ?3) Ω. We want to know: a) the active, reactive and apparent power consumed by the load. b) the power of a capacitor that must be installed in parallel with the load to raise its power factor to 0.97 delayed.
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- An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8 lagging from a 220-V,60-Hz, single-phase source. By placing a bank of capacitors in parallel with the load, the resultant power factor is to be raised to 0.95 lagging. Find the net capacitance of the capacitor bank in F that is required.A 186-V/120-Hz source is connected to an inductance L = 0.4 H and a capacitance C = 9 μF, the elements are connected in series. Find the rms current in the circuit. The current, I = Units . Find the rms current through the each element in the circuit if the elements are connected in parallel. The current through L, IL = Units . The current through C, IC = Units . The current through the power source, IV = Units1. Is it possible to determine the phase relationship between a power phasor and the corresponding voltage and current phasors? Explain why. 2. What is the phase relationship between the reactive power in an inductor and the reactive power in a capacitor? 3. What are the differences between the active power P, reactive power Q, and apparent power S?
- Given a capacitive load absorbing 5 kW with a power factor of 0.85. The source connected to this load is an AC voltage supply with 120V RMS at a frequency of 50 Hz. Please find; A) Peak current (m) and RMS Current (ms) Values B) Draw peak voltage and current phasors on phasor diagram with everything labelled C) Find the value of an inductor that when connected in parallel will improve the power factor to 0.95.A series RC circuit with R=4k ohms and C= 0.40 mF is connected to an AC voltage source e(t)= 100 sin200t. Determine the following: a). The overall power factor ( indicate big leading or lagging) b). The voltage drop across the resistor and the capacitorA voltage vz(t) = 10 cos(2000zt) is applied to a 100-mH inductance. Find the complex impedance of the inductance. Find the phasor voltage and current, and construct a phasor diagram. Write the current as a function of time. Sketch the voltage and current to scale versus time. State the phase relationship between the current and voltage.
- What impedance vector (0- j15) Ohms represents:A. A pure resistance. C. A pure capacitance.B. A pure inductance. D. An inductance combined with a capacitance.If the phasor current is 45 degrees ahead of the phasor voltage, write down all the possibilities about circuit impedance.PHASE RELATIONSHIP SINUSOIDAL( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).
- A capacitor C is connected in series with a 400 resistor across a supply of frequency 60 Hz. A current of 3 A flows and the circuit impedance is 500. Calculate: (a) the value of capacitance, C, (b) the supply voltage, (c) the phase angle between the supply voltage and current, (d) the p.d. across the resistor, and (e) the p.d. across the capacitor. Draw the Phasor diagram.1. Instruction: Provide the correct answer. 1. What is the relationship between the supply voltage and circuit current in purely capacitive circuits?. 2. Vm = 100cos(377t + 75°) transform into sine form is a complex number that represents the amplitude and phase of a sinusoid. 3. 4. What is the phase relationship between a supply voltage and current through a purely inductive circuit?. 5. The rms value of the signal is also called the 6. The It is also the cosine of the angle of the load impedance. 7. When Q < 0, the power factor is 8. The process of increasing the power factor without altering the voltage or current to the original load is known as 9. is the cosine of the phase difference between voltage and current. is the measurement to measure average power. 10. What is the meaning of VAR?ESSAY: Describe what happens to the power in this RLC series circuit as the capacitance decreases. Explain in general terms why the observed change should occur. Understand the effects of basic electrical components on the average power of the system and the concept of power factor. Differentiate between average power and real power.