ASTA Technology is all about supremacy in reliability and economics.
In the recent past, world has witnessed solutions for large power transformers – whether GSUs or Inter-Tie transformers. It is the constant dialogue between ASTA technician team and transformer designers that have made it possible to bring out the most valuable changes in the winding design – where reliability and economic aspects have been emphasized as foremost factors.
Challenges offered by LV winding of GSUs – like, high current, high magnetic stray field – especially high radial component at the winding ends, radial compressive forces during short circuit, risk of bulking etc – have been comprehensively met by ASTA by providing solutions like giant CTCs – which help to improve the space factor. Using it with Netting tape (ASTA patent) instead of paper insulation, not only even further increases the space factor (up to 30%), it also improves the thermal performance (decrease in temp gradient by over 50%).