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by Tarun Agarwal 11 years ago

How Relays Work – Basics, Types & Applications

Relays are electromechanical switches, used to control the several circuits by using low-power signal or one signal. These are found in all sorts of devices. Relays allow one circuit to switch a second circuit which can be completely separate...

Touch Screen Technology
by Tarun Agarwal 11 years ago

What is a Touch Screen Technology & Its Working

Touch screen technology is the direct manipulation type of gesture-based technology. Direct manipulation is the ability to manipulate the digital world inside a screen. A Touch screen is an electronic visual display capable of detecting...

by Tarun Agarwal 11 years ago

AC Power Supplies at Home

Ever wondered how does electricity comes to your house or suppose if the power is off, how you are still getting electricity at home. Actually there can be many ways to get AC power supply without actually having to stay without electricity. 4...

by Tarun Agarwal 11 years ago

Soft Starter – Principle and Working

A soft starter is any device that controls the acceleration of an electric motor using controlling the applied voltage. Now let us have a brief recall of the need for having a starter for any motor. An Induction motor can self start owing...

by Tarun Agarwal 11 years ago

Prepaid Energy Meter

Energy Meter Reading Power consumed is shown by the energy meter in the form of 1 unit or 1-kilo watt-hour of energy consumed. 1 kWh refers to the electrical energy required to provide 1000 watts of power for 1 hour. The units of energy...

by Tarun Agarwal 11 years ago

Detecting Power Grid Synchronization Failure

Synchronization means the minimization of difference in voltage, frequency and phase angle between the corresponding phases of the generator output and grid supply. An alternating current generator must be synchronized with the grid prior...

by Tarun Agarwal 11 years ago

How to Select the Final Year Projects?

Project work is completely new to some of the graduates and is a clean slate to start from. It is unstructured and a blank canvas. Earlier they have been used to theory and lab courses. Theory courses came with prescribed textbooks and...