The second part of Vitaly Gurin’s column examines the data of Soviet scientists on the dependence of the electrical strength of insulation of power transformers on time in historical development.
Gibraltar was plunged into a total blackout just before midnight on Sunday due to a fault in one of the North Mole power station’s two transformer enclosures.
A historical review for utilities when developing specifications for new transformers – Part IV
USA, Virginia: Danville Utilities will assess its substation transformers later this year after the third River District outage linked to the Bridge Street Substation in Danville, Virginia took place in 18 months.
Norway, Oslo: Wide areas of downtown Oslo and the western districts of the capital were hit by power failures around midday on Wednesday, including the Parliament and Oslo’s metro system.
India, Punjab: 400 kV Dhuri substation set up and commissioned by Power Grid on turnkey basis, has been forced to shut down, allegedly due to problems in 500 MVA power transformers.
Ukraine, Zaporizhia: Ukrenergo has been forced to suspend the reconstruction of the 330 kV Kakhovska-Khersonska power grid, funded by the European Bank for the Reconstruction and Development (EBRD) and the European Investment Bank (EIB), and put it into operation, the press service of the company has said.
USA, North Carolina: Suwannee River Power Plant located in Live Oak, Florida, was taken offline after one of its six generating units experienced a forced outage.