2025
May
21

Variable Frequency Drive VFD Motors Principle & Equation

What is a VFD? As the name describes VFD or Variable Frequency Drive is motor controller that drives an electric motor by applying the varying frequency and voltage to the electric motor that are used in the case where we need to

2024
Oct
21

Construction Usage & Operating Principle of Light Dependent Resistors LDR’s

light-dependent-resistor-ldr

LDR or Light Dependent Resistor which is also known as photo resistor is a device whose resistivity is a function of the incident electromagnetic radiation. SO we can say that these are light sensitive devices. Other terms which are used for LDR

2024
Sep
25

Bipolar Junction Transistor | pnp bjt hbt jfet npn Transistor

Bipolar junction transistor bjt schematic diagram

What is a Transistor The transistor is a three-layer semiconductor device that consists of: two n-type layers and one p-type layer of material which is called npn transistor two p-type layers and one n- type layer of material which is called an

2024
Sep
21

Electric Busbar Protection | Bus Bar Differential Protection

Before discussing the types and importance of busbar protections let’s see what is a bus bar? The word bus is derived from Latin word “OMNIBUS” that means common for all, so busbar is actually a common and main part of a power

2024
Feb
5

Introduction of Control Engineering | Closed Loop Open Loop Control Systems

Control system engineering is the branch of engineering which deals with the principles of control theory to design a system which gives desired behavior in a controlled manner. A controlled system consists of highly integrated coordination of mechanical, electrical, chemical, metallurgical, electronic or

2024
Jan
30

What is Grey Code? Binary to Grey and Grey to Binary Conversions

Gray Code is one of the most important codes. It is a non-weighted code which belongs to a class of codes called minimum change codes. In this codes while traversing from one step to another step only one bit in the code

error: Content is protected !!