Download PDF by S.A. Reza Zekavat: Electrical engineering : concepts and applications

By S.A. Reza Zekavat

ISBN-10: 0132539187

ISBN-13: 9780132539180


For non-electrical engineering majors taking the advent to electric engineering course.


Electrical Engineering: recommendations and Applications is the results of a multi-disciplinary attempt at Michigan Technological college to create a brand new curriculum that's appealing, motivational, and proper to scholars through developing many application-based difficulties; and supply the optimum point of either diversity and intensity of assurance of EE issues in a curriculum package.

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This analog signal is interpreted as an analog air signal, typically scaled to 3 to 15 psig. The air pressure signal adjusts the valve stem position on the pneumatic diaphragm control valve, manipulating the amount of Dowtherm® flowing in the preheater. By keeping the measured temperature error below a specified tolerance, the temperature of the feed to the column is kept at its optimum and costs are kept down. Net profit goes up as a result, and you get a big pat on the back—and maybe a big raise!

Calculate the total power that will be required for this process, and the possible resistance in the motor. 48 A simple illustration of a driveway gate driven by an electric motor. 2 ms−1, and distance, d = 4 m. Thus, the total time of the process is t = d/Ve = 20 s. In addition, we can calculate the power needed as: Fd = 100 W t To calculate the resistance, we can use the following equation: P = V2 R Given that V = 200 V, and the result of the power calculation (P = 100 W), we see that the resistance corresponds to R = 400 Ω.

Chemical reaction The computer can be modeled as an amplifier, which in turn can be modeled as a resistance. 25. The elements presented in this diagram are explained more fully later in this chapter. Find the voltage at the computer terminals. 8. 26). The car battery supplies voltage to the car motor as well. The voltage drop across the fan motor consists of the voltage drop due to the internal resistance of the armature’s windings. Back electromotive force (EMF) functions as a source. 27. Line resistance represents the resistance of the wire connecting the fan to the battery.

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Electrical engineering : concepts and applications by S.A. Reza Zekavat

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