Differential Relay Application: The principle of operation depends on a simple circulating current principle where the difference of the currents of the two CTs flows through the relay under normal…
Derivation of Single Phase Quantity from Three Phase System: It will be seen later that auxiliary channels or pilot wires are used to transmit information from one end of the…
Important Questions of Generating Stations : 1. What is a power generating station ? 2. What is a steam power station ? Discuss its advantages and disadvantages. 3. Draw the…
Important Questions of Mechanical Design of Overhead Lines : 1. Name the Important components of an overhead transmission lines. 2. Discuss the various conductor materials used for overhead lines. What…
Important Questions of Supply Systems: 1. What is electric power supply system ? Draw a single line diagram of a typical a.c power supply scheme. 2. What are the advantages…
Complementary MOSFET Common Source Power Amplifier: Advantages of MOSFETs: Complementary MOSFET Common Source Power Amplifier have several advantages over power BJTs for large signal amplifier applications. One of the most…
Electrical Drive Systems: Each Electrical Drive Systems is different from other Electrical Drive Systems. However, there are some common features associated with all Electrical Drive Systems. To understand them it…
Pole Amplitude Modulation Induction Motor: Pole changing method as already discussed allows a change of speed by a factor 2. In some applications, speed change is required only by a…