Indicators and Display Devices Articles: Different Types of Ammeters and Voltmeters: The following are the different types of ammeters and voltmeters in measuring instruments are PMMC Moving Iron Electrodynamometer Hot…
Applications of Rotating Machines: Applications of Rotating Machines are normally divided into two categories: those with voltage ratings less than 6,600 V are called low voltage machines, and the others…
Substation: The assembly of apparatus used to change some characteristic (e.g. voltage, ac. to dc., frequency, p.f. etc.) of electric supply is called a Substation. Sub-stations are important part of…
AC Distribution Calculations: AC Distribution Calculations differ from those of d.c. distribution in the following respects : In case of d.c. system, the voltage drop is due to resistance alone.…
Three Phase Service Cable: In practice, underground cables are generally required to deliver 3-phase power. For the purpose, either three-core cable or three single core cables may be used. For…
Cement Mill Process: The Cement Mill Process has different Stages in Cement Production and they are The raw materials of Cement Mill Process are lime and silica. Alumina and ferric…
Basic Ideas of Protection Relay: Basic Ideas of Protection Relay should ensure the availability of electrical energy without interruption to every load connected to the system. When the electric power…
AC Fundamentals: Let us discuss in brief, the AC Fundamentals necessary to analyse the networks consisting of various alternating current and voltage sources, resistances and inductive, capacitive reactances. An alternating…