Tap Changing Transformers: The excitation control method is satisfactory only for relatively short lines. However, it is not suitable for long lines as the voltage at the alternator terminals will…
Tap Changing Transformer | Off Load Tap Changer |On Load Tap Changing: Tap Changing Transformer -Voltage variation in power systems is a normal phenomenon owing to the rapid growth of…
Tap Changing Auto Transformer: Fig. 15.6 shows diagrammatically Tap Changing Auto Transformer. Here, a mid-tapped auto-transformer or reactor is used. One of the lines is connected to its mid-tapping. One…
Transformer Protection Interview Questions and Answers: 1. What are the faults that are likely to occur in a power transformer ? Ans. The faults likely to occur in a power…
Differential Protection of Transformers: Differential Protection of Transformers is the most important type of protection used for internal phase-to-phase and phase-to-earth faults and is generally applied to transformers having ratings…
Armature Voltage Control using Transformer: Variable voltage for the dc motor control can also be obtained by either using an auto-transformer or a Armature Voltage Control using Transformer with tappings…
Transformers Articles: How does a Transformer Work and Purpose of Transformer: How does a Transformer Work – A Transformer Circuit is a static device comprising coils coupled through a magnetic…
Equipments in Transformer Substation: The Equipments in Transformer Substation depends upon the type of sub-station, service requirement and the degree of protection desired. However, in general, the Equipments in Transformer…