WebThe Megger insulation tester is an instrument used for measuring high resistances of the order of mega-ohms and for testing the insulation resistance. There are two types of … WebJun 9, 2024 · The controlling torque is provided by two phosphorous bronze flat coiled helical springs. These springs serve as a flexible connection to the coil conductors. Damping is caused by the eddy current set up in the …
In a megger, controlling torque is provided by - edurev.in
WebMCQ->In a megger the controlling torque is provided by.... MCQ->Consider the following statements about variable reluctance stepper motor used in control system The static torque acting on rotor is a function of angular misalignment between stator and rotor teethThere are two positions of zero torque i.e, . WebNov 9, 2024 · The controlling torque in PMMC Instruments is provided by two control spring mounted on the jewel bearing. Theses control springs are phosphor bronze hair spring either helical or spiral, coiled in opposite direction. Control Spring also serves to lead current in and out of the moving coil. Damping: dvt without pain
What is Megger: Construction & Working Principle - Fully Explained
WebJul 7, 2024 · Spring Control Method. This is the most common method of providing controlling torque, in electrical instruments. … Gravity Control Method. … Air Friction Damping. … Fluid Friction Damping. … Eddy Current Damping. What is … WebJan 11, 2024 · Detailed Solution. A Deflecting and Control coil is connected parallel to the generator, mounted at right angle to each other and maintain polarities in such a way to produced torque in opposite direction. Hence in a megger, controlling torque is … WebFeb 24, 2012 · Megger is one of the most important measuring device used by electrical engineers and is essentially used for measuring insulation resistance only. It consists of a … dvt with pte