Why Birds don’t get Electrocuted on Touching Power Lines?
You may be amazed at why the birds don’t get shocked when they sit on high voltage overhead power lines. … Continue Reading
Effects of Variable Load on Power Station
The load on a power station varies from time to time due to uncertain demands of the consumers and is … Continue Reading
How to Change the Direction of Rotation of a DC Motor?
DC motors are widely used in various applications, from robotics and industrial machinery to household appliances and automotive systems. One … Continue Reading
Types of Wiring Systems – Cleat, Casing, CTS, TRS and Conduit Wirings
A process of connecting various accessories for distribution of electrical energy from supplier’s meter board to home appliances such as … Continue Reading
Residual Current Protective Devices (RCCB, ELCB & RCBO)
What is an RCD? A Residual Current Device (RCCB, ELCB, RCBO, GFCI etc.) is a device that is designed to … Continue Reading
Insulators, Conductors and Semiconductors (with Band Diagram)
Solid state materials can be classified into three groups: Insulators have no free charge carriers available with them under normal … Continue Reading
Swinburne’s Test of DC Machine (Generator and Motor)
Swinburne’s test is the simplest indirect method of testing dc machines. In this method, the dc machine (generator or motor) … Continue Reading
Testing of DC Machines (DC Motor and DC Generator)
There are several tests that are conducted for testing a dc machine (generator or motor) to judge its performance. The most important … Continue Reading
Working Principle of Transformer
A transformer is a static piece of equipment used either for raising or lowering the voltage of an AC supply … Continue Reading
Electrical and Mechanical Noise in Motors
Two types of noises occur in an electric motor, one is electrical noise and the other is mechanical noise. The … Continue Reading