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Magnetic circuits
To see how this is used in practice, consider a coil of N turns wound onto a closed ring shaped former with a very high
(note: r (steel) = 2000, r (silicon iron) = 7000, r (nickel) = 600).
A current I amps is passed through the coil, creating a magnetic field H within the former. The flux density is
webers/m2 and the flux is B.A ,where A i the area of the core. The flux density is mainly confined within the core because the core has a much larger than air. ( r>>1). Provided this is the case, then the flux density outside the core may usually be neglected in comparison.Because of its high , the former effectively 'guides' the flux around the loop in a similar way to current being guided around an electrical circuit by a high conductance (low resistance) wire.
i) Calculate the eigenvalues of a 100 hp, 1150 rpm dc machine at rated flux with no extra load inertia. Use the "hot" value of the armature resistance. Calculate estimates of t
Using the coefficients obtained for the noisy signal and the FIR filter in Q1(c)(i) implement on the TMS320VC5510DSK. You can use and modify any of the files provided in the Board
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Energy Conservation Our country has a vast potential of energy saving. It is estimated in which measures for energy conservation and improving energy efficiency have the pote
Latch A 8 bit latch comprises of transparent latch D flip flop. It is commonly used to interface output device with microprocessor. A typical example of such 8 bit latc
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a) State the principle of working of transformer. b) A 230/110 V, single-phase transformer takes an input of 350 volt-amperes at no load while working at rated voltage. The core
A three-phase, four-pole, 220-V, 60-Hz induction machine with a per-phase resistance of 0.5 is operating at rated voltage as a generator at a slip of -0.04, delivering 12 A of li
how to calculate the the stability factor
What are the kinds of transformations? Illustrate each with the help of homogeneous matrix form in 3-D.
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