Adani Electricity Mumbai commissions synthetic ester oil filled transformer at Borivali

Adani Electricity Mumbai Limited (AEML), an integrated power utility, recently commissioned India’s first Synthetic Ester Oil filled 220kV, 125MVA capacity power transformer in its Mumbai transmission network at 220kV Borivali EHV substation.

According to AEML, unlike conventional mineral oil filled transformer, synthetic ester oil transformer has higher fire point (>300 deg.C), low heat of combustion (30.8 MJ/kg). Moreover, it offers enhanced fire safety, better performance at higher temperature and prolonged life of Insulation paper (hence transformer). Further, its oil has better biodegradability which is an environment friendly. Considering this, Ester Oil Transformer is best suitable for city like installation. Along with that it has another additional feature such as Resin Impregnated Paper (RIP) bushings, Vacuum OLTC (On Load Tap Changer) which improves reliability significantly.

“This augmentation of transformation capacity at Borivali EHV substation will strengthen transmission & distribution (T&D) infrastructure, to meet incremental load growth in and around Borivali area, maintain reliable/quality power supply and availability of transmission system at desired level,” the company said issuing a statement.

This Synthetic Ester Oil filled 220kV, 125MVA capacity power transformer is supplied by Siemens’ Kalwa unit and is commissioned in record time of 15 days from delivery of transformer on site by taking all required safety measures in current pandemic situation.