Structure and Operating Principle of Inverter
Electric Solve
I. Structure and operating principle of frequency converter – The inverter is made up of components that function to receive a power source with a fixed input voltage and fixed…
Electric Power System
Star Delta Starter Method-Theory and All
A star delta starter is used for starting 3 phase induction motors, minimizing initial electrical overload by starting in a ‘star’ configuration and then switching to ‘delta’ after reaching a…
A Phase Devices be Damaged in Three Phase Network?
Recently, we had to face an unexpected situation related to three phase network. Our factory was cut by a thief. At first, the thief only wanted to cut the ground…
Sizing a Photovoltaic System-Part 2/2
Sizing a photovoltaic system for a stand-alone photovoltaic power system involves a five-step process which will allow the photovoltaic system designer or user to accurately size a system based on…
Design A Solar System for Home-Part 1/2
The Sun which known unlimited energy delivers to us in two main forms: heat and light. There are two main types of solar power systems, namely, solar thermal systems that…
Theory of Harmonic distortion
Recently, there has much discussion and post on the subject of power quality. Whereas in the past, power received from the electric utility and use by an industry plant was…
Learn Deeply About Single Phase AC Motors
Having such motors, which designing to operate from a single phase supply, manufacturing for many applications in home, offices, factories, workshop etc. Since the performance requirement of the various application.…
Why use capacitor in DC motor?
A capacitor is a passive with two-terminal electrical component used to store energy in an electrical field. A capacitor consists of at least two electrical conductors separated by a dielectric…
Power Factor Correction-Generalities on Theory and Calculate
I. What is the power factor (PF)? 1.1. Special electrical requirement of inductive loads Most loads in modern electrical distribution systems are inductive Examples include motors, transformers, gaseous tube lighting…