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What are hard magnetic materials?
Hard Magnetic materials- They have a slowly rising magnetization curve along with large hysteresis loop area and therefore large energy losses. These materials have high value of retentivity and low permeability and high value of coercivity. To saturate the hard magnetic materials, a high magnetizing force is needed. Hard magnetic materials have property of storing a significant amount of magnetic energy after magnetization and retaining similar for a long time. Because of this property they are used in the manufacture of permanent magnets.
Background Information Electrical machines usually consist of copper windings on steel cores, and their AC resistance is greater than their DC resistance. The power loss has
compensation techniques
Q. Explain about Synchronous machines? Large ac power networks operating at a constant frequency of 60 Hz in the United States (50 Hz in Europe) rely almost exclusively on sync
Return Instructions These instruction are used to transfer the program sequence from subroutine to the calling program. Basically it restores the previous contents of th
please, how do i design a linear phase stable recursive digital filter
Project Garage door opener with password. Wrong password "door close" on lcd screen, correct password "door open" on lcd Screen no need the motor. Material used - Microcontroller
Operation of heterodyne wave analyzer with block diagram
For carry Flag JC ( jump on Carry ) and JNC (Jump on No carry ) Instructions : JC transfer the execution of the program to the specified memory address if carry
Q. Electronic Photo Flash? A simplified schematic diagram of the electric circuit of an electronic photo flash typically used on cameras is shown in Figure 7.7.1. By passing a
Q. An antenna has an aperture area of 10 m 2 ,an aperture ef?ciency of 0.6, and negligible losses. If it is used at 5 GHz, determine: (a) Its power gain. (b) The maximum pow
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