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Page Name: Explain eddy current tachometer with suitable sketch ppt


Posted by: project source code cheker
Created at: Tuesday 14th of August 2012 12:46:40 AM
Last Edited Or Replied at :Tuesday 14th of August 2012 12:46:40 AM
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Explain eddy current tachometer with suitable sketch



• In the magnetic drag type of tachometer a transducer produces an analog signal in the form of a continuous drag due to eddy currents induced in an aluminium cup
• The induced current is proportional to speed

Construction And Working

• It consists of a rotor which is coupled to the rotor shaft of the machine whose speed is to be measured
• A permanent magnet is attached to the rotor which rotates within an aluminium cup alongwith the rotor
• A s..................==> [ Click Here to Read More ]



Page Name: ppt on eddy current based flexible sensor for contactless measurement of breathing


Posted by:
Created at: Sunday 30th of March 2014 01:31:53 PM
Last Edited Or Replied at :Sunday 30th of March 2014 01:31:53 PM
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plz send me ppt on eddy current based flexible sensors for the contactless measurement of breathing on my email [email protected].................==> [ Click Here to Read More ]



Page Name: drag cup tachometer working principle


Posted by:
Created at: Sunday 10th of February 2013 11:37:35 PM
Last Edited Or Replied at :Sunday 10th of February 2013 11:37:35 PM
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how the drag cup rotate when permanent magnet rotates in drag cup tachometer
..................==> [ Click Here to Read More ]



Page Name: EDDY CURRENT BRAKES PPT


Posted by: engineering project helper
Created at: Tuesday 20th of November 2012 12:11:53 AM
Last Edited Or Replied at :Sunday 25th of November 2012 11:56:10 PM
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romagnets are used, control of the braking action is made possible by varying the strength of the magnetic field.
A braking force is possible when electric current is passed through the electromagnets. The movement of the metal through the magnetic field of the electromagnets creates eddy currents in the discs.
These eddy currents generate an opposing magnetic field, which then resists the rotation of the discs, providing braking force.
The net result is to convert the motion of the rotors into heat in the rotors.

CONCLUSION

The ordinary brakes which are being used now days,..................==> [ Click Here to Read More ]



Page Name: Explain eddy current tachometer with suitable sketch ppt


Posted by: project source code cheker
Created at: Tuesday 14th of August 2012 12:46:40 AM
Last Edited Or Replied at :Tuesday 14th of August 2012 12:46:40 AM
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Explain eddy current tachometer with suitable sketch



• In the magnetic drag type of tachometer a transducer produces an analog signal in the form of a continuous drag due to eddy currents induced in an aluminium cup
• The induced current is proportional to speed

Construction And Working

• It consists of a rotor which is coupled to the rotor shaft of the machine whose speed is to be measured
• A permanent magnet is attached to the rotor which rotates within an aluminium cup alongwith the rotor
• A s..................==> [ Click Here to Read More ]



Page Name: eddy current testing


Posted by: lucinajoe
Created at: Tuesday 20th of July 2010 04:41:01 AM
Last Edited Or Replied at :Tuesday 20th of July 2010 05:01:40 AM
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tion.


How it works

Eddy current testing is based on the physics phenomenon of electromagnetic induction. In an eddy current probe, an alternating current flows through a wire coil and generates an oscillating magnetic field. If the probe and its magnetic field are brought close to a conductive material like a metal test piece, a circular flow of electrons known as an eddy current will begin to move through the metal like swirling water in a stream. That eddy current flowing through the metal will in turn generate its own magnetic field, which will interact with the coil and its field..................==> [ Click Here to Read More ]



Page Name: eddy current brake full report


Posted by: best project report maker
Created at: Saturday 20th of February 2010 11:52:06 PM
Last Edited Or Replied at :Sunday 25th of November 2012 11:56:30 PM
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d with pole caps.
The hollow core reduces the weight and material of the stator without significantly adversely affecting the braking capacity.
The pole caps reduce the magnetic saturation and increases the overall brake torque output.


WORKING PRINCIPLE

Electromagnets produce magnetic field from supplied current
Change of magnetic flux (with time) induces eddy currents in conductor (disc)
Eddy Currents produce another magnetic field opposing first field
Opposing magnetic fields create force that reduces velocity

CONSTRUCTIONAL DETAILS

Components
Electrom..................==> [ Click Here to Read More ]



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