Three Phase AC Circuits
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Difference Between Single Phase and Three Phase Transformer
What is the Difference Between 1-Phase Transformer & 3-Phase Transformer? We all know that a transformer in an electrical machine, which is used to step-up or step-down the level of…
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Scott-T Connection of Transformer
What is Scott Connection or Scott-T Transformer? Scot Connection Scott connection is a type of connection of transformer that used to get two-phase power supply from three-phase source or vice-versa.…
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How to Run a Three-Phase Induction Motor on a Single-Phase Power Supply?
Running a 3-Φ Induction Motor on a 1-Phase Supply – 3 Methods According to the type of AC power supply, induction motors are classified into two types; three-phase induction motor…
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What happens if You Connect a 3-Φ Induction Motor to 1-Phase Supply?
What will happen to the 3-Φ (400V) Induction Motor If Connected to 1-Phase (230V) Supply? As the name suggests, a 3-phase induction motor must be connected to the three phases…
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What happens to the 3-Phase Motor When 2 Out of 3 Phases are Lost?
What will happen to the 3-Φ Induction Motor Incase of Failure of 2 of the 3-Phases? When a linear or balanced load is connected to the 3-Φ supply system, the…
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What happens to the 3-Phase Motor When 1 Out of 3 Phases is Lost?
What will happen to the 3-Φ Induction Motor Incase of Failure of 1 of the 3-Phases? A three phase induction motor must be connected to all the three phases for…
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Why 3-Phase Power? Why Not 6, 12 or More for Power Transmission?
Why is Only 3-Phase Power Supply System Used Instead of 2-Φ, 4-Φ, 6-Φ, 12-Φ or More Number of Phases for Power Transmission & Distribution? We know that the most common…
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If a 1-Phase Supply is 230V, Why is 3-Phase 400V & Not 690V?
When Single Phase Supply Voltage is 220V, Why is Three Phase 440V and Not 660V? If there are three winding coils on the rotor of an alternator winded 120° degree…
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How to Size a Load Center, Panelboards and Distribution Board?
Sizing Load Center, Panelboards, Distribution Board & Consumer Unit According to NEC and IEC? Planning is the first and key priority for all electrical wiring projects and a proper estimation…
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Millman’s Theorem – Analyzing AC & DC Circuits – Examples
Millman’s Theorem for AC & DC Circuits – Step by Step Solved Examples Millman’s Theorem The Millman’s theorem is used in the circuit analysis when it has only branches in…
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