Electrical Protection Units And Systems Introduction to Electrical Protection Systems HV, MV and LV[1] electric installations and equipments are subjected to internal and external faults that can cause serious damages in persons and other equipments. To avoid and to minimize the consequences of those faults protection devices associated to equipments that are able to break electric current are required. For …

Read More »## Insulating And Dielectric Materials – Types, Properties & Applications

An Introduction to Insulating And Dielectric Materials Definition of Insulating and Dielectric Materials An electrical insulating material can be defined as the material that does not allow electric current to pass through it. For electrical applications a particular category of insulating materials is used to separate electrically the conducting parts of equipment from each other and from earthed and “no …

Read More »## CAPACITOR BANKS – CHARACTERISTICS AND APPLICATIONS

INTRODUCTION TO CAPACITOR BANKS, ITS CHARACTERISTICS AND APPLICATIONS By: Manuel Bolotinha DEFINITION OF AND CHARACTERISTICS OF CAPACITORS A capacitor, also known as “condenser” is an electrical element with two electrical conductors separated by an insulator material (dielectric), as shown in Figure 1. Figure 1 – Simplified scheme of a capacitor The electric parameter that defines a capacitor is the “capacitance” …

Read More »## High Inrush Current in Capacitor Switching and Ways to Prevent It.

How to Prevent the high Inrush Current in Capacitor Switching? Introduction to High Inrush Current in Capacitor Switching Applications of capacitance switching are not only restricted to capacitive currents but they have their implementation in energizing process of capacitors banks, overhead lines and cables. Capacitors banks switching are known to be cause of very large value of transient voltage across …

Read More »## Series Capacitor Calculator

Series Capacitor Calculator Formula & Equations for This Calculator Finding Total Series Capacitance (CT) when C1 and C2 Given; 1/CT = 1/C1 + 1/C2CT = C1||C2 CT = C1 x C2 / (C1 + C2) Finding C1when CT and C2 Given; C1 = C2 × CT / (C2 – CT) Finding C2when CT and C1 Given; C2 = C1 × …

Read More »## Capacitance and Inductance Calculator

Capacitance and Inductance from Reactance Calculator Note: Formulas and equations for this calculator is given below ( after calculator). Also do not forget to share with and suggest to your friends. Also, if you want to see other electrical and electronics calculators live on our blog, then please mention it in our below comment box. thanks. Enter the values of …

Read More »## Capacitive Reactance Calculator

Capacitive Reactance (Xc) from Capacitance Calculator Note: Formulas and equations for this calculator is given below ( after calculator). Also do not forget to share with and suggest to your friends. Also, if you want to see other electrical and electronics calculators live on our blog, then please mention it in our below comment box. thanks. Enter the values of …

Read More »## How to Calculate the Suitable Capacitor Size in Farads & kVAR for Power factor Improvement

How to Calculate the Suitable Capacitor Size in Farads & kVAR for Power factor Improvement (Easiest way ever) Hi there! With a very important tutorial.. I hope you will find it very useful because I have already spent two days to prepare this article. I think all of those who have sent messages and mails about the topic will never …

Read More »## How to Convert Capacitor Farads into kVAR & Vice Versa (For Power factor improvement)

How to Convert Capacitor Farads into kVAR & Vice Versa for Power factor improvement? How to Calculate the Required Capacitor bank value in both kVAR and Farads? (How to Convert Farads into kVAR and Vice Versa) How to Convert Capacitor Farads into kVAR & Vice Versa (For Power factor improvement) In this simple Calculation tutorial, we will find the way …

Read More »## Capacitor Library

Capacitor Library General Capacitor Nameplate Rating (Electrolytic Capacitor) How to Check a Capacitor with Digital (Multi meter) and Analog (AVO Meter). By Four (4) Methods with pictorial View. Capacitors (MCQs with Explanatory Answers) How to Calculate/Find the value of Ceramic / Non-Polarized Capacitors? What is the Rule of Capacitor in AC and DC Circuit? How to Calculate the Suitable Capacitor …

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