View technical details related to transformers

Transformers are the most reliable and virtually maintenance free equipments of the electrical industry due to its static nature. Read on to find relevant links below.

Clock-Hour designations of 3 phase winding connections:  Also known as Vector Group, it is expressed as a an hour on the clock to specify the lag-lead characteristics of three-phase transformers. (Based on IEC 60076-1).  Read more....

Cooling System Designations:  Transformer cooling systems are designated by a four-character code. Two systems are in place for Oil immersed transformers and Dry type transformers. Read more....

Comparison table of Indian and International standards of Power Transformers:  Numbers or Indian and International standards such as IEC, BS, ANSI/IEEE and EN/HD are given in a table for quick reference.  Read more....