Electrical machines 5 min read
Introductions to DC Machines
A dc machine is constructed in many forms and for a variety of purposes, from the 3-mm stepper drawing a few AA…
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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…
Electrical machines 3 min read
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 2 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 9 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…
