Single phase transformer nptel pdf file

For reason of economy, most houses, offices and also rural areas are supplied with single phase a. So, next we are back again, so let us take another example. If you have not studied transformer in your btech course then first go through the nptel lecture mod01 then move to mod02 in order to build problem solving ability. In this paper simulation of parallel transformer is carried out to find the voltage regulation, losses and efficiency of single phase transformers under different supplies. Phasor diagram inductive load for a single phase transformer duration. Umanand, principal research scientist, power electronics group, cedt, iisc bangalore for more detail. Mod01 lec04 lecture04equivalent circuits of single.

Pdf a single phase transformer equivalent circuit for. Constructional features of three phase transformers three phase connection of transformers dd0, dd6, yy0, yy6, dy1, dy11, yd1, yd11, zigzag, scott connection, open delta connection, three phase to six phase connection, oscillating neutral, tertiary winding, three winding transformer, equal and unequal turns ratio, parallel operation, load. The course introduces electrical machines namely transformers, dc and ac rotating machines, which are, arguably, the most important components of energy and power conversion industry. Lecture series on basic electrical technology by prof. Transformer electrical machine for gateiespsus youtube. There are two basic reasons for the use of single phase motors rather than 3 phase motors. Th is type of rec tifiers is suitable for low power applications. Mod01 lec05 lecture05testing of single phase transformers. Transformer type k single phase shell type single phase core type three phase shell type three phase core type, distrbiuton i transformer three phase core type, power transformer 1 0 to 1 2 0. A 25 kva single phase transformer has the p rimary and secondary number of turns of 200 and 400, respectively the transformer is connected to a 220v, 50hz source. Transformers, being static, are the easiest of electrical machines and hence they will be dealt with initially after introducing magnetic circuit fundamentals.