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…
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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…
Electrical machines 6 min read
Multiple Winding Transformers
Multiple Winding Transformers generally have one single primary winding with two or more secondary windings But the beauty of transformers…
Electrical machines 8 min read
Transformer Loading
Transformers can provide a voltage on their secondary winding but to transfer electrical power between their input and output they…
Electrical machines 14 min read
Transformer Construction
A simple two-winding transformer construction consists of each winding being wound on a separate soft iron limb or core which…
Electrical machines 3 min read
Transformers
Michael Faraday propounded the principle of electro-magnetic induction in 1831. It states that a voltage appears across the terminals of…
Electrical machines 4 min read
Magnetic Flow Meter Construction
Magnetic Flow Meter Construction are the first type of flowmeters to be considered for high corrosive applications and for applications involving…