Classification of Overhead Transmission Lines

Classification of Overhead Transmission Lines: The important considerations in the design, operation and Classification of Overhead Transmission Lines are the determination of voltage drop, line losses and efficiency of transmission.…

Continue Reading Classification of Overhead Transmission Lines

String Efficiency of Insulator

String Efficiency of Insulator: As stated above, the voltage applied across the string of suspension insulators is not uniformly distributed across various units or discs. The disc nearest to the…

Continue Reading String Efficiency of Insulator

Line Support

Line Support: The supporting structures for overhead line conductors are various types of poles and towers called line support. In general, the line supports should have the following properties :…

Continue Reading Line Support

Power Factor Correction Circuit

Power Factor Correction Circuit: To calculate Power Factor Correction Circuit, Consider an inductive load taking a lagging current I at a power factor cos Φ1. To develop Power Factor Improvement…

Continue Reading Power Factor Correction Circuit

Power Factor Improvement

Power Factor Improvement: The low power factor is mainly due to the fact that most of the power loads are inductive and, therefore, take lagging currents. In order for Power…

Continue Reading Power Factor Improvement

Low Power Factor

Low Power Factor: The Low Power Factor plays an importance role in ac. circuits since power consumed depends upon this factor. It is clear from above that for fixed power…

Continue Reading Low Power Factor

Power Triangle

Power Triangle: The analysis of power factor can also be made in terms of power drawn by the a.c. circuit. If each side of the current triangle oab of Fig.…

Continue Reading Power Triangle