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How to Change the Direction of Rotation of a DC Motor?
09/06/2015
There are two types of DC motors – Brushed DC motor and Brushless DC motor. The direction of rotation of
Systems of Wiring – Introduction to Electrical Wiring
30/05/2015
The types of internal wiring usually employed are: Cleat wiring: Wooden Casing and Capping Wiring CTS or TRS Wiring Conduit
Residual Current Protective Devices (RCCB, ELCB & RCBO)
30/05/2015
What is an RCD? A Residual Current Device (RCCB, ELCB, RCBO, GFCI etc.) is a device that is designed to
Insulators, Conductors and Semiconductors (with Band Diagram)
23/05/2015
Solid state materials can be classified into three groups: insulators, semiconductors conductors. Insulators have no free charge carriers available with
Swinburne’s Test of DC Machine (Generator and Motor)
16/05/2015
Swinburne’s test is the simplest indirect method of testing dc machines. In this method, the dc machine (generator or motor)
Testing of DC Machines (DC Motor and DC Generator)
15/05/2015
There are several tests that are conducted for testing a dc machine (generator or motor) to judge its performance. The
Working Principle of Transformer
20/04/2015
A transformer is a static piece of equipment used either for raising or lowering the voltage of an AC supply
Electrical and Mechanical Noise in Motors
19/02/2015
Two types of noises occur in an electric motor, one is electrical noise and the other is mechanical noise. The
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