Motors
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Automatic Sequential Operations of Motors – Power, Control, PLC & Wiring Circuits
How to Run Motors in Sequence? Power, Control, PLC & Wiring Diagrams A Sequential Motor Control Circuit is an electrical circuit designed to control the operation of motors in a…
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Swinburne’s Test of DC Machines – Circuit and Applications
Swinburne’s Test of DC Motors & Generators – Circuit, Calculation, Advantages & Applications What is Swinburne’s Test? Swinburne’s test (named after James Swinburne) is an indirect method of testing a…
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4-Point Starter – Circuit and Working of Four-Point Starter
What is Four-Point Starter? Working and Circuit Diagram of 4-Point Starter What is a Four-Point Starter? The construction and working principle of a Four-Point starter is almost similar to the…
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3-Point Starter – Circuit and Working of Three-Point Starter
What is Three-Point Starter? Working and Circuit Diagram of 3-Point Starter What is a Three-Point Starter? A Three-Point starter consists of a tapped resistor which is sealed in a ventilated…
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Losses in a DC Motor – Power Stages & Efficiency of DC Motor
Losses, Power Stages and Efficiency of a DC Motor Losses in a DC Motor It is a universal truth that the output of a DC machine (DC motor or DC…
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Losses in Synchronous Motor – Power Stages & Efficiency of Synchronous Motors
Losses, Power Stages and Efficiency of a Synchronous Motor A synchronous motor and an alternator (or synchronous generator) is the same machine except with having the different power flow stages.…
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Difference Between HP & BHP? Horsepower vs Brake Horsepower
Difference Between Horsepower and Brake Horsepower? HP vs BHP Except for electrical machines such as motors, you may frequently hear the word horsepower (HP) if you are a car enthusiast,…
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Why is the Synchronous Motor Not Self Starting?
Why are Synchronous Motor and Synchronous Machines Not Self Starting? We know that a synchronous motor is not a self starting machine. This is because when the armature (stator) of…
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Synchronous Motor: Construction, Working, Types and Applications
Synchronous Motors – Working Principle, Types, Starting Methods and Applications An electrical machine is a general term used for an electromagnetic device that is used for conversion between electrical and…
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No-load Test of Induction Motor & Block Rotor Test of Motor
What is No Load Test of an Induction Motor and Block Rotor Test of Electric Motors? The circuit model of an induction motor is similar to the transformer. Therefore, the…
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