Connect 1 Semester Access Card For Electric Motors And Control Systems
2nd Edition
ISBN: 9781259550195
Author: Petruzella, Frank
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 4.4, Problem 4RQ
To determine
The description of the operationof an electric solenoid.
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6. Find (i) settling time (Ts), (ii) rise time (Tr), (iii) peak time (Tp), and (iv) percent
overshoot (% OS) for each of the following systems whose transfer functions are
given by:
a) H(s) =
5
s²+12s+20
5
b) H(s) =
s²+6s+25
c) H(s) =
(s+2)
(s²+12s+20) (s²+4s+13)
Use dominant pole approximation if needed.
7. Answer the following questions. Take help from ChatGPT to answer these questions
(if you need). But write the answers briefly using your own words with no more than
two sentences and make sure you check whether ChatGPT is giving you the
appropriate answers in the context of class.
a) Why do we need transient performance metrics? Name a few of such metrics.
b) Define (i) settling time, (ii) rise time, (iii) peak time and (iv) percent overshoot.
c) What is damping ratio? How does overshoot change with the change of damping
ratio? When do we have zero overshoot?
d) What is the criterion for selecting dominant pole in higher order systems? When
dominant pole approximation is not valid? How will you calculate the transient
performance metrics for the case when dominant pole approximation does not
hold?
The transformer rating is 1200:2400 V @ 120 kVA. What is the apparent power provided by the source? What does this mean for the operation of the transformer? Draw the power triangle at the source and calculate the power factor. The magnitude of the voltage source is given in VRMS.
Chapter 4 Solutions
Connect 1 Semester Access Card For Electric Motors And Control Systems
Ch. 4.1 - Prob. 1RQCh. 4.1 - Prob. 2RQCh. 4.1 - What do the terms normally open and normally...Ch. 4.1 - The types of enclosures used to house motor...Ch. 4.1 - Prob. 5RQCh. 4.1 - Compare the operation of momentary and maintained...Ch. 4.1 - What is the OSHA requirement for resetting...Ch. 4.1 - Prob. 8RQCh. 4.1 - Explain how a push-to-test pilot light operates.Ch. 4.1 - Compare the way in which pushbutton and selector...
Ch. 4.1 - Prob. 11RQCh. 4.2 - Define the term mechanically operated switch.Ch. 4.2 - In what way are limit switches normally actuated?Ch. 4.2 - A control application calls for an NC held open...Ch. 4.2 - List four common types of limit switch operator...Ch. 4.2 - Prob. 5RQCh. 4.2 - Prob. 6RQCh. 4.2 - For what types of machine control applications are...Ch. 4.2 - How does a fluid capillary tube temperature switch...Ch. 4.2 - Prob. 9RQCh. 4.2 - Prob. 10RQCh. 4.3 - In general, how do sensor pilot devices operate?Ch. 4.3 - What is the main feature of a proximity sensor?Ch. 4.3 - List the main component of an inductive proximity...Ch. 4.3 - Explain the term hysteresis as it applies to a...Ch. 4.3 - How is a two-wire sensor connected relative to the...Ch. 4.3 - In what way is the sensing field of a capacitive...Ch. 4.3 - For what type of target would a capacitive...Ch. 4.3 - Prob. 8RQCh. 4.3 - Name the three most common scan techniques for...Ch. 4.3 - What are the advantages of fiber optic sensing...Ch. 4.3 - Outline the principle of operation of a Hall...Ch. 4.3 - Outline the principle of operation of an...Ch. 4.3 - List the four basic types of temperature sensors...Ch. 4.3 - Compare the way in which a tachometer and magnetic...Ch. 4.3 - Outline the principle of operation of an optical...Ch. 4.3 - What approach is usually taken to measurement of...Ch. 4.3 - Prob. 17RQCh. 4.4 - Define the term actuator as it applies to an...Ch. 4.4 - In what ways are electromagnetic relays employed...Ch. 4.4 - Prob. 3RQCh. 4.4 - Prob. 4RQCh. 4.4 - Prob. 5RQCh. 4.4 - Prob. 6RQCh. 4.4 - Prob. 7RQCh. 4.4 - Prob. 8RQCh. 4.4 - Prob. 9RQCh. 4.4 - What is the basic difference between an open-loop...Ch. 4.4 - Prob. 11RQCh. 4.4 - Prob. 12RQCh. 4.4 - In what way docs a double-break contact differ...Ch. 4.4 - Prob. 14RQCh. 4.4 - Prob. 1TCh. 4.4 - Prob. 2TCh. 4.4 - Prob. 4TCh. 4.4 - Prob. 5TCh. 4.4 - A through-beam photoelectric sensor appears to be...Ch. 4.4 - Prob. 1DTCh. 4.4 - Prob. 2DTCh. 4.4 - Prob. 3DTCh. 4.4 - What does the range adjustment on a float switch...Ch. 4.4 - A stepper motor cannot be bench-checked directly...
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