International competitive bids are invited for the supply, assembly and delivery of three units of 1,000 MVA, 380 kV single phase phase-shifting transformers (PST) with characteristics–symmetrical type (i.e. the 380 kV source line terminal and the 380 kV load line terminal will have same voltage in no-load condition); frequency of 50Hz; continuous overload ability of 1,200 MVA; cooling ONAN (1200 MVA) option ONAN/ONAF (700/1200 MVA).

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