What is a Pressure Sensor? Definition of Pressure as a Measured Quantity: Pressure is defined as the applied force by a liquid or gas on a surface and it is usually measured in units of force per unit of surface area. Common units are Pascal (Pa), Bar (bar), N/mm2 or psi (pounds per square inch). Definition of a Sensor: A sensor is a

Three Phase AC Power Three-phase electrical control is a typical type of alternating electrical power production, transmission and distribution. This is a form of a polyphase network which is the most widespread method of transmission of power utilized by electrical grids worldwide. It is also used to power large engines and other heavy loads. A

What is a PCB? PCB physically supports and electrically links electrical or electronic components using conductive loops, pads and other features etched from one or more layers of copper laminated on and/or within sheet layers of a non-conductive substrate. Components are usually soldered to the PCB to be electrically bound and physically linked t

What is a Programming Logic Controller (PLC)? Programmable Logic Controllers (PLCs) also referred to as programmable controllers, are in the computer family. They are used in commercial and industrial applications. A PLC monitors inputs makes decisions based on its program and controls outputs to automate a process or machine. An industrial digi

Power Factor Power factor (PF) is the ratio of working power, measured in kilowatts (kW) to apparent power, measured in kilovolt amperes (kVA). Apparent power, also known as demand, is the measure of the amount of power used to run machinery and equipment during a certain period. It is found by multiplying (kVA = V x A). The result is expressed as

 Buck Converter Buck Converter is used in SMPS circuits where the DC output voltage will be smaller than the DC input voltage. The DC data may be extracted from the rectified AC or some DC input. It is helpful when there is no need for electrical insulation between the switching circuit and the output, so if the input is from the rectified AC

Embedded System As the name implies embedded represents something that is connected to something important. An embedded machine may be thought of as a device hardware machine with applications installed in it. An embedded device can be an isolated machine or it can be part of a wide network. An embedded system is a microcontroller or a microproces

What is a Transformer? A transformer is a passive electrical device that transfers electrical energy from one electrical circuit to another or from multiple circuits. A variable current in any one of the transformer coils produces a variable magnetic flux in the core of the transformer, which induces a varying electromotive force across any other

Switchgear  The apparatus used to switch, control and protect electrical circuits and equipment is known as switchgear.   In an electrical power system, the switchgear consists of electrical switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment

Delta-Wye Conversion  Delta-Wye transformation is an additional method for the transformation of such resistor configurations that can not be controlled by sequence and parallel equations. This is often referred to as the Pi-T transformation. Such resistor networks cannot be generalized by using the regular series and parallel combinatio