Electrical machines 3 min read
Rotating Machines Basic Concepts
We Know that electromechanical energy conversion takes place whenever a change in flux is associated with mechanical motion. Speed voltage is generated…
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Magnetically Induced Emf and Force
Magnetically Induced Emf and Force – Faraday’s law of induction, which is the integral form of the fourth Maxwell’s equation, is given…
Electrical machines 5 min read
Energy in Magnetic System
The chief advantage of electric energy over other forms of energy is the relative ease and high efficiency with which…
Electrical machines 3 min read
Principle of Electromechanical Energy conversion
Electromechanical energy conversion is one device which is convert energy one form to another form. electromechanical device converts electrical energy…
Electrical machines 4 min read
Audio 100V Line Transformer
Another very common impedance matching application is for 100 volt line transformers for the transmission of music and voice over…
Electrical machines 4 min read
Audio Transformer
Audio Transformers are designed for use in audio amplifier applications for coupling and impedance matching of amplifiers and speakers As…
Electrical machines 10 min read
Three Phase Transformers
Three-phase Transformers are the backbone of electrical power distribution whether Delta or Star connected windings Thus far we have looked…
Electrical machines 2 min read
Handheld Current Transformers
There are many specialized types of current transformers now available. A popular and portable type which can be used to…
Electrical machines 2 min read
Current Transformer Primary Turns Ratio
Current Transformer Example No1 A bar-type current transformer which has 1 turn on its primary and 160 turns on its…
Electrical machines 6 min read
The Current Transformer
Current Transformers produce an output in proportion to the current flowing through the primary winding as a result of a…
Electrical machines 3 min read
The Variable Autotransformer
As well as having a fixed or tapped secondary that produces a voltage output at a specific level, there is…
Electrical machines 5 min read
The Autotransformer
The primary and secondary windings of an Autotransformer are linked together both electrically and magnetically reducing the cost over conventional…