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Phasor and Complex Representation of Three Phase Supply
Three sinusoidal voltages with equal amplitude and frequency, but a phase difference of 120∘ (or 2π/3 radians) between them, constitute…
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DC Generator Formulas and Equations
Here, we have listed all the important DC Generator Formulas and Equations, DC generator EMF equation, power equation etc.
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AC Series Circuit Formulas
For RL and RC Series Circuit: For RL Series CircuitFor RC Series Circuit V= rms value of the applied voltageI=…
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Basic AC Circuit Formulas
Basics: v = value of alternating voltage at time t (called instantaneous value)Vm = maximum value of alternating voltage= Angular…
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Basic Electrical Formulas
V= Electric Potential, Q= Charge, W= Electric potential energy I = Current, q = Charge, t = time, n =…
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Different Values in Electrical Engineering
Charge on electron (e) = – 1.6 x 10-19 C Mass of an electron = 9.11 x 10-31 kg Diameter of an…
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Protection against Traveling Waves
Travelling waves in power systems are high-frequency transient voltage or current surges that propagate along transmission lines and can cause…
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Understanding the Surge Absorber
Surge absorbers are designed to absorb and dissipate the energy of the surge within the device itself, thereby protecting the…
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Different Types of Lightning Arresters
Types of lightning arresters : 1. Rod gap arrester 2. Horn gap arrester 3. Multigap arrester 4. Expulsion type lightning…
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How to Protect Transmission Lines and Substations from Direct Strokes:
Lightning Arrestors or Surge diverters: Surge diverters or Lightning arrestors function by providing a low-impedance path to ground for transient…