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a 94-ghz automobile collision-avoidance radar uses a rectangular aperture antenna placed above the cars bumper if the
the nameplate on a 797-kv 460-v 75-kva single-phase transformer indicates that it has a series reactance of 12 percent
the nameplate on a 50-mva 60-hz single-phase transformer indicates that it has a voltage rating of 80-kv 78-kv an
the manufacturers data sheet for a 26-kv 750-mva 60-hz three-phase synchronous generator indicates that it has a
the magnetic circuit of problem 11 has a nonlinear core material whose permeability as a function of bm is given by
the magnetic circuit of figure has two windings and two air gaps the core can be assumed to be of infinite permeability
it is desired to achieve a time-varying magnetic flux density in the air gap of the magnetic circuit of figure of the
figure shows a system consisting of a three-phase wound-rotor induction machine whose shaft is rigidly coupled to the
consider the inductor of problem write a simple design program in the form of a matlab script to calculate the number
consider a multi-stack multiphase variable-reluctance stepping motor such as that shown schematically in figure with 14
a transformer is made up of a 1200-turn primary coil and an open-circuited 75-turn secondary coil wound around a closed
a three-phase y-connected ac machine is initially operating under balanced three-phase conditions when one of the phase
a three-phase y- transformer is rated 225-kv 24-kv 400 mva and has a series reactance of 117 as referred to its
a three-phase motor is used to drive a pump it is observed by the use of a stroboscope that the motor speed decreases
a 75-kw 460-v three-phase four-pole 60-hz wound-rotor induction motor develops a maximum internal torque of 225 percent
a 460-v three-phase six-pole 60-hz 150-kw wound-rotor induction motor develops an internal torque of 190 percent with a
an analog signal xat is bandlimited to the range 900 f 1100 hz it is used as an input to the system shown in figure
an analog signal xat sin480pt 3sin720pt is sampled 600 times per seconda determine the nyquist sampling rate for xatb
sqnr 10log10 pxpq where px is the power of the unquantized signal xna for f0 150 and n 200 write a program to
a digital communication link carries binary-coded words representing samples of an input signal xat 3 cos 600pt 2 cos
what is the concept of dual beam what is the concept of dual beam
part 11 use s-domain techniques and determine the transfer functionhs vosvisin terms of the impedances z1 z2 z3 and
the object of this coursework is to design and build a control system using plc and scada technology to control a
questiondesign a prototyping system of battery management systems with fully controllable bi-directional power
the volume expansivity b values of copper at 300 k and 500 k are 492 x 10-6 k-1 and 542 x 10-6 k-1 respectively and b