The value of ripple factor of single phase half wave rectifier is equal to 1.21. Since, ripple factor is the ratio of rms value of fluctuating ac component to the average value or dc value. Its value of 1.21 means that, the ac fluctuating component...

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September 23, 2018 admin
AC Circuit
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What is Ripple? Ripple is the fluctuating AC component present in rectified DC output. The output of a rectifier may either be DC current or voltage. In view of this, AC fluctuating component present in DC output voltage is called voltage ripple and that in...

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September 21, 2018 admin
AC Circuit
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Definition Average value of AC or alternating current is expressed by that DC current which transfers across any point of circuit the same charge as is transferred by the AC current for the same time. This means, if AC current I in a circuit flows...

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September 20, 2018 admin
AC Circuit
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Definition Root Mean Square (RMS) value of AC current is defined as the steady or DC current which when flowing through a circuit for a given time period produces the same heat as produced by the AC current flowing through the same circuit for the...

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September 17, 2018 admin
AC Circuit
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Thevenin’s Theorem is the most used and useful approach to solve electrical networks. This is not a new way or approach rather it’s the same conventional way what we use to solve electrical networks but in an organized manner. Let me explain why this is...

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July 3, 2018 admin
AC Circuit
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1 Unit Electricity is the amount of electrical energy consumed by a load of 1 kW power rating in 1 hour. It is basically measurement unit of electrical energy consumption in Joule. 1 kWh (kilo watt hour) and 1 Unit are same. 1 kWh is...

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June 23, 2018 admin
AC Circuit
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Definition: Triplen harmonics are the odd integral multiple of third harmonic wave. If the frequency of third harmonic wave is ω then frequency of triplen harmonic wave will be 3nω, where n = 3,5,9,…These waves posses a special characteristics and hence it becomes important for...

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May 20, 2018 admin
AC Circuit, Power System
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Low power factor has several disadvantages in power system. The main effect of low power factor is to increase the current and hence increase losses. This reduces overall system efficiency. Low power factor is thus not desirable from economic point of view. Let us first...

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May 18, 2018 admin
AC Circuit, Power System
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Effect of Poor Power Factor: The major effect of poor power factor is higher value of line current. We know that power factor (pf) is an important parameter for calculation of power in an AC circuit. For a given power and voltage, the current flowing...

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May 17, 2018 admin
AC Circuit
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h parameter of two port network is a square matrix of order 2×2. Basically it is a way to represent a two port network. It is also known as hybrid parameter. In this form of representation, voltage of input port and current of the output...

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May 16, 2018 admin
AC Circuit
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