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Eddy current in transformer?
Yes, a transformer has eddy currents.
What are the advantages of moving coil instrument?
Advantages are:- high sensitivity, uniform scale, very effective and reliable eddy current danping well shelded from any stray magnetic field. Disadvantages are:- very expensive, only suitable for direct current and voltages.
Why armature core is laminated in dc machine?
to reduce the eddy current loss in the machine
What is the equation for calculating eddy current losses?
F^2into Bm^2
What is AD current loss?
AD current loss could refer to a comic, called Eddy Current. It could also refer to AD loss, memory loss caused by Alzheimer's Disease.
How many types of damping torque in moving instruments?
air friction ,fluid friction, eddy current
Why eddy current damping not possible in moving iron instrument?
Eddy current damping is not practical in moving iron instruments because these instruments rely on a magnetic field produced by a coil to move a ferromagnetic element. The rapid motion of this element can create eddy currents in nearby conductive materials, but the inherent design and operation of moving iron mechanisms do not allow for effective energy dissipation through these currents. Additionally, the presence of eddy currents can interfere with the magnetic field and the accuracy of the instrument, leading to potential measurement errors. Thus, other damping methods, such as air damping, are preferred.
What are the different methods of damping used in analog indicating instruments?
Damping torque can be provided by: (a) air friction damping (b) fluid friction damping (c) eddy current damping. In air friction damping, a light piston moves with a very small clearance in air chamber. The piston moves against pressure of air in air chamber. In fluid friction damping, light varies are attached to spindle of moving system. The movement of spindle is suppressed due to fluid friction, Eddy current damping is one of the most efficient method of damping. It is based on the principle that whenever a sheet of conducting but non magnetic material like copper or aluminum moves in magnetic field, eddy currents are induced.
What has the author Robert E Cunningham written?
Robert E. Cunningham has written: 'The aviation art of Bob Cunningham' -- subject(s): Aeronautics in art 'Passive eddy-current damping as a means of vibration control in cryogenic turbomachinery' -- subject(s): Bearings, Cryogenics, Damping, Damping (Mechanics), Eddy currents, Rotor aerodynamics, Turbine pumps, Turbomachinery, Vibration (Aeronautics), Vibration damping
What has the author Neil Hartman Fisher written?
Neil Hartman Fisher has written: 'Eddy current damping in flat and cylindrical conducting surfaces'
What has the author Edgar J Gunter written?
Edgar J. Gunter has written: 'Design study of magnetic eddy-current vibration suppression dampers for application to cryogenic turbomachinery' -- subject(s): Cryogenic equipment, Eddy current testing, Eddy currents, Space shuttle main engine, Turbomachinery, Turbomachines, Vibration damping
How do you put eddy in a sentence?
I was swimming hard, salt water burning my eyes, when all of a sudden i got pushed violently by an eddy.
When was Eddy Current Suppression Ring created?
Eddy Current Suppression Ring was created in 2003.
How do you change a WPA edspot galvonometer into a ballistic galvonometer?
To convert a WPA eddy current galvanometer into a ballistic galvanometer, you need to adjust the instrument's damping and sensitivity settings. This typically involves minimizing the damping by removing or altering the damping mechanism, such as the fluid or spring system, to allow for quicker response to transient currents. Additionally, you may need to change the coil's configuration and increase its inductance for better performance in measuring the brief currents associated with ballistic measurements. Finally, ensure that the scale and calibration are appropriate for the expected current pulses.
Eddy current in transformer?
Yes, a transformer has eddy currents.
What is a metallic substance used in eddy current?
Alimunium is the best Element, that can be used for the production of eddy current.
What are the advantages of moving coil instrument?
Advantages are:- high sensitivity, uniform scale, very effective and reliable eddy current danping well shelded from any stray magnetic field. Disadvantages are:- very expensive, only suitable for direct current and voltages.
