Electrical Engineering

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Soft soldering is a technique used to join wires, fix electronic components onto circuit boards and bond copper pipes together. This tutorial shows you how to solder step by step.

A tutorial which shows the derivation of formulas for resistors connected in series and parallel.

The simple RC circuit is a basic system in electronics. This tutorial examines the transient analysis of the circuit as it charges and discharges in response to a step voltage input, explaining the voltage and current waveforms and deriving the solution of the differential equations for the system.

Electrical fuse is a simple, less resistive, self sacrificial and cheapest device used to interrupt a circuit under short circuit, excessive overload or over current conditions.

A current transformer is an instrument transformer, used along with measuring or protective devices, in which the secondary current is proportional to the primary current (under normal conditions of operation) and differs from it by an angle which is approximately zero.

Buchholz relay is a type of protection relay universally used on all oil immersed transformers having rating more than 500 kVA. From this article its principle and working can be understood.

There are many methods used to cool the transformer. This article helps you to understand the various cooling methods followed in the transformer.

This article discusses the various components of a power transformer and briefly explains how they work.

Principle of operation of transformers can be easily understood from this article. Basic working principle of the transformer is mentioned very clearly and briefly

We've all experienced short-term, local power outages, but what kind of problems would we have if the power was out for a week, or even longer? What if the blackout was widespread? We depend on electricity for more than lights and TV. We will be in big trouble if the power grid goes down for long.

Have you have considered the power potential of the human body? What about the energy stored in a raindrop? In this article I discuss five strange methods that could one day become an integral way that civilization generates electricity.

This article covers everything you need to know about electrical power.