DC Ammeter

DC Ammeter: DC Ammeter - The PMMC galvanometer constitutes the basic movement of a dc ammeter. Since the coil winding of a basic movement is small and light, it can…

Continue Reading DC Ammeter

Classification of Printers

Classification of Printers: Classification of Printers - Character printers and graphic plotters are the two devices used to prepare a permanent (or hard copy) record of computer output. The basic…

Continue Reading Classification of Printers

Digital Display System

Digital Display System: Digital Display System - The rapid growth of electronic handling of numerical data has bought with it a great demand for simple systems to display the data…

Continue Reading Digital Display System

Recent Trends in Power System Stability

Recent Trends in Power System Stability: Recent Trends in Power System Stability in design of large alternators tend towards lower short circuit ratio (SCR = 1/Xd), which is achieved by…

Continue Reading Recent Trends in Power System Stability

Single Line to Ground Fault

Single Line to Ground Fault: Figure 11.4 shows a Single Line to Ground Fault at F in a power system through a fault impedance Zf. The phases are so labelled…

Continue Reading Single Line to Ground Fault

ZBUS Formulation

ZBUS Formulation: ZBUS Formulation is given by By Inventing YBUS The sparsity of YBUS may be retained by using an efficient inversion technique and nodal impedance matrix can then be…

Continue Reading ZBUS Formulation