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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Power factor is an important parameter for the calculation of active and reactive power in electrical circuit. It has significance only for AC circuit. For DC circuit, it is not considered for power calculation.Its value is unity for DC circuit and may vary in between...

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May 15, 2018 admin
AC Circuit
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Z parameter is a factor by which input voltage and current & output voltage and current of two port network is related with. For any two port network, input voltage V1 and output voltage V2 can be expressed in terms of input current I1 and...

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May 12, 2018 admin
AC Circuit
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Power Triangle is a right angled triangle whose sides represent the active, reactive and apparent power. Base, Perpendicular and Hypogenous of this right angled triangle denotes the Active, Reactive and Apparent power respectively. This triangle is not a new concept but it is just the...

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May 11, 2018 admin
AC Circuit
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Active Power: Active power is the real power consumed in an electrical circuit. It is the useful power which can be converted into other form of energy like heat energy in heater, light energy in bulb etc. It is also known as true or real...

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May 10, 2018 admin
AC Circuit
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Final Value Theorem is used for determining the final value of a Laplace domain function F(s). Though we can always transform a time domain function into Laplace domain to apply Final Value Theorem. According to Final Value Theorem, final value of a function i.e. value...

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February 8, 2018 admin
AC Circuit
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Initial value Theorem is a very useful tool for transient analysis and calculating the initial value of a function f(t). This theorem is often abbreviated as IVT. The limiting value of a function in frequency domain when time tends to zero i.e. initial value can...

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February 6, 2018 admin
AC Circuit
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