High Voltage Test on Transformer: High Voltage Test on Transformer are very important and costly apparatus in power systems. Great care has to be exercised to see that the transformers are not damaged due to…
Important Definition of Phase Locked Loop (PLL): Some Important Definition of Phase Locked Loop PLL are as follows : Lock Range: When PLL is in lock, it can track frequency changes in the incoming signal.…
Single Channel Data Acquisition System: A Single Channel Data Acquisition System consists of a signal conditioner followed by an analog to digital (A/D) converter, performing repetitive conversions at a free running, internally determined rate. The…
Resonant Grounding or Arc Suppression Coil Grounding: We have seen that capacitive currents are responsible for producing arcing grounds. These capaciÂtive currents flow because capacitance exists between each line and earth. If inductance L of approÂpriate…
Data Types and Instruction Set of 8087 co-processor: The Data Types and Instruction Set of 8087 co-processor can support 7 different data types namely Three Signed Integers 16-bit (word) - range 32768 to + 32767…
Coefficient of Adhesion in Traction: In Coefficient of Adhesion in Traction, the task of driving equipment consists of pushing the carriage on which it is mounted and pulling coaches and wagons behind it. Wheels coupled…
Factors Governing Selection of Electric Motors: Parallel to the growth of machine tools, an equally rapid progress has been made in the field of electric motors. The electric motors of various designs are available to…
What is Compensation in Power System: Introduction to Compensation in Power System - For reduction of cost and improved reliability, most of the world's electric power systems continue to be interconnected. Interconnections take advantage of…
Operations of Traction Power Controller (TPC): It is provided to have a comprehensive picture of supply conditions and arrangement to operate switchgear with minimum delay so that continuity of electric supply to the track, which…
Benson Boiler - Construction, Working Principle and Advantages: In 1927, Benson boiler was developed by Benson in West Germany. It was the first super critical drumless boiler. Construction: It is a high pressure, vertical, fire…
