E-book Particulars :
Language English
Pages 161
Format PDF
Measurement 6.76 MB

 

Electrical Technology First Version by V. A. Bakhshi


 

The research of {the electrical} engineering, mainly includes the evaluation of the vitality switch from one type to a different. {An electrical} machine, offers with the vitality switch both from mechanical to electrical type or from electrical to mechanical type This course of known as electromechanical vitality conversion. {An electrical} machine which converts mechanical vitality into {an electrical} vitality known as an electrical generator. Whereas {an electrical} machine which converts {an electrical} vitality into the mechanical vitality known as {an electrical} motor. Such electrical machines could also be associated to {an electrical} vitality of an alternating kind known as ac. machines or could also be associated to {an electrical} vitality of direct kind known as dc. machines The d.c. machines are labeled as d.c. turbines and d.c. motors. The development of a dc. machine mainly stays similar whether or not it’s a generator or a motor. On this chapter constructional options of a de machine, working precept and forms of dc-generator are mentioned. However earlier than starting the research of the d.c. machines, it’s essential to revise the fundamental ideas of magnetism and electromagnetism. Magnetism is a property by advantage of which a bit of stable physique attracts iron items and items of another metals. Such a bit of stable physique known as a pure magnet. The 2 ends of a magnet are known as its poles. When such a magnet is suspended freely by a bit of a silk fiber, it tums and adjusts itself within the path of North and South of the earth. The top adjusting itself within the path of North known as N pole whereas different known as S pole. When such two magnets are introduced close to one another, their behaviour is ruled by some legal guidelines known as legal guidelines of magnetism.

 

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