AC Fundamentals
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Star Connection (Y): Three Phase Power, Voltage & Current Values
Three Phase Star Connection: Line, Phase Current, Voltages & Power in Y Configuration What is Star Connection (Y)? Star Connection (Y) System is also known as Three Phase Four Wire…
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Three Phase Current Values in a 3-Phase System
Division of Three Phase Current Values in a 3-Phase System The following points may be noted for understanding the division of Three Phase Current in a 3-Phase System 1. The…
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Magnetic Terms used in Magnetic Circuits – Definition & Formulas
Magnetic and Magnetism Important Terms, Definition and Formulas Magnetic Field or Magnetic Induction (B) Magnet or Electromagnet produces a Magnetic field. The field where the magnet attracts or repels magnetic…
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What is an Electric Circuit? Types of Circuits and Network
Electric Circuit, Network, Complex Circuits and other Types of Circuits What is an Electric Circuit? An electric circuit is a closed loop network which provides a return path for the…
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How to Determine the Number of Nodes, Loops, Branches & Meshes in a Circuit?
What is Node, Branch, Loop and Mesh in an Electric Circuit, and How to Identify them? Understanding the fundamentals of electric circuits and networks is crucial for solving and analyzing…
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Ohm’s Law: Simple Explanation with Statement and Formulas
What is Ohm’s Law? Definition, Derivation, Limitation, Formula and Solved Example Ohm’s Law The relationship between current through a conductor and the voltage across it was first discovered by the…
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AC Fundamentals Library
AC (Alternating Current) Fundamentals Insulating And Dielectric Materials – Types, Properties & Applications Introduction to Harmonics – Effect of Harmonics on Power System Short Circuit Currents And Symmetrical Components Is…
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How to Size a Single Phase and Three Phase Transformer in kVA? Calculator
How to Calculate the Rating of Single Phase & Three Phase Transformers in kVA We know that a transformer is always rated in kVA. Below are the two simple formulas which…
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What is Power Factor (Cos ϕ) ? Cos fi or P.F Definition & Formulas
Power Factor Definitions and Formulas In electrical engineering, power factor is only and only related to AC circuits i.e. there is no power factor (P.f) in DC circuits due to…
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Why Can’t We Store AC in Batteries instead of DC?
Why AC Can’t be Stored in Batteries like DC? We cannot store AC in batteries because AC changes their polarity up to 50 (When frequency = 50 Hz) or 60…
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