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An eight-pole, 25-kW, 120-V dc generator has a duplex lap-wound armature which has 64 coils with 10 turns per coil. Its rated speed is 3600 r/min.
(a) How much flux per pole is required to produce the rated voltage in this generator at no-load conditions?
(b) What is the current per path in the armature of this generator at the rated load?
(c) What is the induced torque in this machine at the rated load?
(d) How many brushes must this motor have? How wide must each one be?
(e) If the resistance of this winding is 0.011 W per turn, what is the armature resistance RA of this machine?
Provide detailed plans regarding the type of website you would like to develop for your e-business. For this assignment you will provide a presentation that contains a detailed discussion of an implementation plan.
Design a Moore sequential machine that has one input X and one output Y. Whenever X changes from 0 to 1, Y should become 1 for two clock cycles and then return to 0 - even if X is still 1. For example, given an input sequence X=0110101001.
Describe specific engineering and manufacturing process planned to be used in the development of lithium air battery. Potential defects and that cause deviations in the development process. How this process can be used to minimize the amount of waste..
In most situations it is also desirable to send information from the process to be controlled--in this case the 500-gallon tank--to a central station for processing and storage. This information can be transmitted and processed in different ways.
1A baseband signal with 4 kHz bandwidth is sampled at 1.2 times of its Nyquist sampling rate. Calculate:A. The sampling rate at which this signal is sample.B. The guard frequency band between the repeats of the spectrum.
There are to be 15 states, and the device for utilization is a 22v10 chip using 8 flip flops internal to the device. The outputs are 8 LEDs and a secondary output Z that is a 1 if states 10,11,12,13 are active.
write a VHDL module to implement a circuit that can generate a clock signal whose time period is a multiple of the input clock. A control signal F determines the multiplying factor. If F=0 the output signal has a time period twice that of the inpu..
Find the collector current.
The space between the two concentric cylinders is evacuated. Assuming diffuse, gray surfaces, determine the heat transfer rate per unit area of the outer cylinder. The electrical output of the semiconductor surface is 10% of the absorbed irradiati..
It is often preferred to use a FET for the RF amplifier in an AM receiver. Can you explain why?
Given two 8-bit registers, one containing an unknown value and the other used to hold the result of the following operation: - count the number of 1's in the unknown value - signal w=1 starts operation
Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
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