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LINEAR MOTOR VEHICLE DESIGN
Design a linear DC motor for propelling and braking a track-guided vehicle. The vehicle contains a generator to power the electromagnet with current Ic for the generation of the flux density B. The track region carries a current . Assume that the mass of the vehicle is 10 tons (10000 kg), and it accelerates from 0 to 80 Km/hour in 60 seconds. Consider the total length of the flux path in the magnet to be 8 meter and that the magnet cross section is 1 m2 , and that the air gap is of length 2 cm and its cross section area is twice that of the magnet. Take the track width to be 2 meters. See figure for illustrations.
Find an appropriate values for le and It, the number of turns N and the relative permeability of the iron of the magnet. Assume that you have 10 of such magnets inside the locomotive.
If a cache being simulated were allowed to have a block size of 4 bytes, what optimization would be possible for blocks of that size that is not possible for block sizes 8 bytes and above
A DC motor is rated at 230V, 27.5A at normal full load. It turns at 1750rpm under rated conditions. It has total armature resistance of 0803 ohms, and it is desired to hold its maximum starting current to 150% of normal full-load current.
A 400-kV transmission line has a hot-weather power rating of1400 MVA. If the transmission line is operating in cold weather, itis rated for 2200 MVA (at 400 kV). The transmission line is undercold weather conditions, and the operating voltage is 3..
why are several pilot channels monitored in is-95? when does a pilot channel from a base station move from an active
A uniform spherical shell of mass M = 15.0 kg and radius R = 0.370 m can rotate about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 0.170 kg·m2 and radius ..
Suppose a third identical sphere 3 having an insulating handle and initially uncharged, is touched first sphere 1 and then sphere 2 and finally removed back. Find the force between sphere 1 and sphere 2 now.
An office building is billed based on the rate structure given in Table 5.3 (Energy charges is $0.0732/KWh and demand charge is $9 / mo-kw. As a money saving strategy, during the 21 days per month that the office is occupied
120V, 60 Hz source is connected to a distribution line whose resistance, and inductive reactance is 0.001Ohm, j0.002 Ohm, respectively. Single phase, 100HP, 120V, 0.85 pf. motor; and 100Kw, 120V heater are connected in parallel.
Convert the following differential equation 5 (t) +4 (t) +3x.(t) + 2x(t) + 7u(t) - 5u.(t) + 2 (t) = 0 to state space form. Is this system marginally stable, asymptotically stable, or unstable when u(t) = 0 Determine stability by using the state sp..
1. There are 4 main classes of network topologies, what are they 2. In communications over a network, protocols are required. What is the framework or reference model that makes this possible
Consider the non-inverting op-amp seen in class, but with a non ideal op-amp that has a finite gain Aod. Determine the expression of the output node potential as a function of the input node potential.
design an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and Df= 20 kHz. A narrow-band FM generatorwith fc = 200 kHz and adjustable Df in the rangeof 9 to 10 Hz is available.
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