(Will be addressed in future versions of this book)
Textbook
Volumes could be written about poor diagnostic technique. The following mistakes are not intended to comprise…
Textbook
A hand switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion.…
Textbook
Circuit breakers used in residential, commercial, and light industrial service are self-tripping devices: they…
Textbook
PID control can be a confusing concept to understand. Here, a brief summary of each term within PID (P. I, and…
Textbook
Any power grid large enough to meet the demand of an entire nation must have multiple generators drawing from…
Textbook
The following animation shows how the “rotating” magnetic field of a three-phase AC induction…
Textbook
Perhaps the simplest form of solid or liquid level measurement is with a float: a device that rides on the…
Textbook
As we have seen, the concept of differentiation is finding the rate-of-change of one variable compared to…
Textbook
A completely different way of measuring liquid level in vessels is to bounce a traveling wave off the surface…
Textbook
A simple control system drawn in block diagram form looks like this: Information from the measuring device…
Textbook
Perhaps the most important rule to obey when using pneumatic instruments is to maintain clean and dry…
Textbook
For better or worse, there are no fewer than three different forms of PID equations implemented in modern PID…
Textbook
As previously defined, calibration refers to the checking and adjustment of an instrument so that its output…
Textbook
An important type of “accessory” relay, especially for legacy electromechanical protective relays,…
Textbook
As we have seen, the concept of integration is finding the accumulation of one variable multiplied by another…
Textbook
An electric motor is often used as a discrete control element in a control system if driving a pump, conveyor…
Textbook
Valve actuators provide force to move control valve trim. For precise positioning of a control valve, there…
Textbook
As defined previously, calibration means the comparison and adjustment (if necessary) of an instrument’s…
Textbook
Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
Textbook
Facebook
Google
GitHub
Linkedin