Wiring Diagrams of PLC and DCS -DI, DO, AI, AO
This article describes the wiring diagram of PLC and DCS for Digital Input (DI), Digital Output (DO), Analog Input (AI), and Analog Output (AO) signals.
Two Transistor Model of SCR or Thyristor
This article describes two transistor model of SCR or Thyristor. A thyristor, also known as Silicon Controlled Rectifier (SCR) is a three-terminal power electronic device
Importance of Neutral Wire
In this article, let us discuss what is neutral wire and its importance in electrical installations. If we look at the electrical installation of a
Definition of Accuracy, Precision, Resolution, Range
In the field of Instrumentation and Control, a few terms like accuracy, precision, resolution, and range play a very important role. Sometimes, many engineers get
Applications of Variable Frequency Drives(VFDs)
This article describes applications of variable frequency drives(VFDs). A variable frequency drive (VFD) or inverter is a controller for electric motors commonly used in electromechanical
Variable Inductor: Working, Circuit, Construction, Types & Applications
In this article, we will discuss the variable inductor, its construction, working, types, and applications. But, before that let us have a look into the
Difference between Solenoid Valve and Motorized Valve
In this article, we will discuss the difference between solenoid valve and motorized valve. The solenoid valves & motorized valves are widely used in the
Buchholz Relay: Working Principle, Construction and Operation
Buchholz relay, like any other relay, is a sensing device used to sense abnormal working of a transformer in a critical operation like a power
Types of Motors Used in an Elevator (Elevator Motor)
This article describes the different types of electric elevator motors. We will also discuss the suitability of different types of electric motors for elevator applications,
General Features of Traction Motors: Mechanical Features & Electrical Features
In this article, we will discuss the general features -mechanical and electrical features of the traction motor. The traction motor is used to drive high