XD 400kV 500MVAr Auto-Power TransformerSingapore Tuas Power Station 2015 HomeFeatured-projects-2XD 400kV 500MVAr Auto-Power Transformer Singapore Tuas Power Station 2015 About Project Equipment for the highest voltage level in Singapore (400kV) The transformer was the largest 3-phase transformer installed and commissioned in 2015. 500 MVA 420 Tonne Length: 13190mm Width: 10717mm Height: 9222mm