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What is the current and voltage relationship in RL Series circuit?
Phasor Diagram of the RL Series Circuit The voltage drop across the inductive reactance VL =IXL is drawn ahead of the current I. As the current lags voltage by an angle of 90 degrees in the pure Inductive circuit. The vector sum of the two voltages drops VR and VL is equal to the applied voltage V.
What is the power factor in RL Series circuit?
The power factor for a RL circuit is the ratio of the actual power dissipation to apparent power and can be summarized as follows: The power factor ranges from 0 to 1 and is sometimes expressed as a percentage. A 0 percent PF indicates a purely reactive load, while 100 percent PF indicates a purely resistive load.
Is power factor of RL Series circuit is less than 1?
Therefore we can conclude that the power factor of the L-r circuit is in between one and zero. Hence the correct answer is option C. Note: Power factor is an important concept of an AC circuit which can also be shown in terms of impedance of circuit and the power of circuit.
What is power factor in RL circuit?
In an L-R series circuit, the current is lagging behind the voltage by an angle ϕ , because of the effect of the inductor. The power factor is given as the cosine of lagging angle ϕ That means, cosϕ=RZcosϕ=0.6.
What are the waveforms of a three phase full wave converter?
The figure shows the waveforms of three phase input supply voltages, output voltage, the thyristor current through T1 and T4, the supply current through the line ‘a’. To derive an expression for the average output voltage of three phase full converter with highly inductive load assuming continuous and constant load current
How to calculate the power of a RL series circuit?
In RL Series circuit the current lags the voltage by 90 degrees angle known as phase angle. It is given by the equation: Power in R L Series Circuit. If the alternating voltage applied across the circuit is given by the equation: The equation of current I is given as: Then the instantaneous power is given by the equation:
How to draw a phasor diagram of a series RL circuit?
RL Circuit. For drawing the phasor diagram of series RL circuit; follow the following steps: Step- I. In case of series RL circuit, resistor and inductor are connected in series, so current flowing in both the elements are same i.e I R = I L = I.
What happens when the frequency of an RL circuit increases?
So, in series RL circuit if frequency increases, Inductive reactance also increases as it is directly proportional to frequency. Total impedance Z increases.