Three Phase AC Circuits
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Types of Transformers and Their Applications
Types of Transformers What is a Transformer? To know more about the, refer to the previous post about: Transformer, Construction, Working, Types Application and Limitations. Types of Electrical Transformers There are…
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Open Delta Connections of Transformers
Open Delta Connections of Transformers Suppose you have three single-phase transformers of 5 KVA each. They are connected in (both primary & secondary sides) in delta, then we can say…
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Corona Effect & Discharge in Transmission Lines & Power System
A Full Guide about Corona Effect / Corona Discharge in Transmission Lines What is Corona Effect or Corona Discharge? When an alternating potential difference is applied across two conductors whose…
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Introduction to Harmonics – Effect of Harmonics on Power System
What are Harmonics and How to Filter and Eliminate it. (Manuel Bolotinha) Introduction to Harmonics The quality of electrical power supply is an important issue both for utility companies and…
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Short Circuit Currents And Symmetrical Components
Short Circuit Currents And Symmetrical Components (Manuel Bolotinha) Short Circuit Faults and Currents Short-circuits can occur phase-to-phase and phase-to-earth, mainly due to: Dielectric breakdown of insulating materials (ageing, severe overheating…
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What is the Difference Between Neutral, Ground and Earth?
The Main difference between Neutral, Ground and Earth? To understand the difference between Neutral, Ground and Earth, we must understand the need of these things first. Neutral Neutral is return…
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Star and Delta Connected Lighting Loads
Star and Delta Connected Lighting Loads – Electrical Wiring Installation Star (Y) Connected Lighting Load – Electrical Wiring A Star connected (Three Phase Four wires or 3-Phase, 4 wires) lighting system…
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Difference between Star and Delta Connections – Comparison Of Y/Δ
Comparison between Star and Delta Connections We mostly use the terms star and delta in electrical systems while discussing three phase AC circuits and electric motors. Below is a given…
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Delta Connection (Δ): 3 Phase Power, Voltage & Current Values
Three Phase Delta Connection: Line, Phase Current, Voltages & Power in Δ Configuration What is Delta Connection (Δ)? Delta or Mesh Connection (Δ) System is also known as Three Phase…
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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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