Single-phase Power System To help us understand single-phase power system, consider the sine wave shown in figure 1(a) below of…
Resistors perform two basic functions in a circuit: they limit current flow and set voltage levels within a circuit. We…
Servo motors are continuous motion mechanisms that use feedback signals to provide position and velocity control in a closed loop…
Before we discuss how to tune the PID controller, let’s look at some basic facts about PID Controller. Basic Facts…
The protection method used in a specific hazardous location depends on the application, the technology available and the specific explosive…
A hazardous location is defined as a location where fire or explosion hazards exist due to the presence of flammable…
Functional safety is the risk reduction provided by the functions implemented to ensure the safe operations of the process. The…
Alternating current generator Let’s consider a signal turn coil rotating freely at a constant angular velocity symmetrically between the poles…
Background of 4-20 mA Signal Transmission Initially signal transmission was dominated by pneumatics before the advent of 4-20 mA signal…
Purely Resistive Circuits In resistive elements the current and voltage are in phase. Figure 1(a) purely resistive circuit Figure 1(b)…
