Electrical Machines
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Difference between AC Drives and DC Drives
Main Differences between AC and DC Drives What is a Drive and Electrical Drives A drive is an electrical or electronic device used to control the speed and motion of…
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What is Motor Starter? Types of Motor Starters and Motor Starting Methods
Types of Motor Starters and Motor Starting Techniques What is a Motor Starter? A motor starter is an electrical device that is used to start & stop a motor safely.…
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What is the Transformer’s Voltage Regulation?
Voltage Regulation of Transformer- Formulas and Examples What is Voltage Regulation? Transformer’s voltage regulation is the ratio of the difference between transformer no load and full load output voltage to…
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What is the Average Life Expectancy of a Transformer ?
Normal or Average Life Expectancy of a Transformer In short “until it fails” as some of the transformers are still in operation after the legal retirement of plant engineers and…
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Are the Batteries Connected in Series or Parallel?
Battery Configuration: Series vs. Parallel Basic Electrical Engineering Interview Q&A Series Are these two batteries connected in series or parallel? How should the load be connected in this type of…
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How to Replace a Ceiling Fan Capacitor – 3 Ways
How to Install and Connect a Capacitor in a Ceiling Fan? If you ever face a problem with the ceiling fan such as humming noise, slow speed, not running the…
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Basic Components Needed for Solar Panel System Installation
General Requirements for a Solar Panel System Installation Green energy, the clean and renewable solar energy is the best alternative for residual and industrial consumers around the world. It minimizes…
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A Voltmeter, Ammeter & Cell are Connected in Series. Ammeter shows No Deflection. Why?
A Voltmeter, Ampere Meter and a Battery Cell are connected in Series. It is Observed that Ammeter Practically Shows No Deflection. Why? Due to the large resistance of the voltmeter,…
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Difference Between a Transformer and an Induction Motor
An Induction Motor is fundamentally a Transformer – What is the Difference? The induction motor is fundamentally a transformer in which the stator is the primary and the rotor is…
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In an Inductive Circuit, Why the Current Increases When Frequency Decreases?
Why the Current (I) Decreases, When Frequency Increases in an Inductive Circuit & vise versa? Another question from electrical and electronics engineering interviews question and answers series. Explain the statement that…
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