Principles of Electromechanics

1 / 6

Principles of Electromechanics - PowerPoint PPT Presentation

Principles of Electromechanics. Electricity  Motion Electricity  Motion: Motor Motion  Electricity : Generator  Magnetic Field & Faraday’s Law. N. S. Magnetic Field. Generation of magnetic field Permanent Magnet:

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

PowerPoint Slideshow about ' Principles of Electromechanics' - ardelle-york

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Principles of Electromechanics

Electricity  Motion

Electricity  Motion: Motor

Motion  Electricity: Generator

 Magnetic Field & Faraday’s Law

N

S

Magnetic Field
• Generation of magnetic field
• Permanent Magnet:
• Electric Current: using right hand rule to determine the field direction
• Straight current
• Current coil
× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

-q

V

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

I

F

r

F

Current  Motion: Current in magnetic field
• Magnetic field will exert a force on a current
• Magnetic field will exert a force on a moving charge
× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

× × × × × ×

-q

V

F

r

Circular Motion: Plane  B

Helical path: V||0

Circular path: V||=0

Charges in B field: Applications

Cyclotron (accelerator)

Mass Spectrometer:

Example: Rail Gun

Acceleration: 5  106 g

Final speed: 1 km/s

Duration: 1 ms