If someone ask you whether current and voltage are vector or scalar quantity the obviously you will answer that they are scalar quantity. Next, the question arises if current and voltage are scalar quantity then why do we represent then in form of vector which...
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June 5, 2016 admin
AC Circuit, Power System
1 Comment
In electric power Transmission and Distribution, power is transmitted at a voltage level of 400 kV to reduce losses and then at the substation, it is stepped down to 132 kV at which electric power is transmitted and then at substation it is again stepped...
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June 2, 2016 admin
AC Circuit, Power System
3 Comments
If someone chokes a person, they can’t breathe, the flow of air is stopped. The name Choke comes from same idea. There is some energy that we want to Choke or prevent flowing in our circuit in or out of our circuit. We might want...
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May 21, 2016 admin
AC Circuit
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What is Parallel Resonance Circuit? Parallel resonant circuit is a generic term which consists of resistor, inductor as well as a capacitor in parallel connection. A parallel circuit containing a resistance, R, an inductance, L and a capacitance, C will produce a parallel resonance circuit...
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May 19, 2016 admin
AC Circuit
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As we know, both Silicon and Germanium are semiconductor devices. But the present trend is to use Silicon instead of Germanium in many devices like SMPS etc. The reasons for using Silicon Diodes over Germanium Diodes this are: At room temperature, Silicon crystal has fewer...
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May 16, 2016 admin
AC Circuit
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RLC Series Circuit is shown below. We will consider RLC Series Circuit for Resonance. At Resonance, Impedance of Inductor = Impedance of Capacitor Therefore, ωL = 1/ωC, where w is angular frequency =2πf ω2LC = 1 ω2 = 1/LC Therefore, at...
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May 16, 2016 admin
AC Circuit
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The ratio of the inductance L to the resistance R of a coil remains constant for different winding arrangements in the same volume and shape. It makes sense to define this value as a figure of merit to distinguish different coil structures. The quality factor...
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May 8, 2016 admin
AC Circuit
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