Project concerns reconstruction of 110 kV relay protection of two outgoing
feeders from GPP-2 and opposite main step-down substations on the territory of
the refinery LUKOIL Neftohim Burgas AD. Order includes further reconstruction of
relay panels and control panels; design of new fiber optic connections to
provide operation of the relay protections; substitution of oil-insulated
measuring transformers at 110 kV outgoing feeders and coupler breaker with new
SF6 measuring transformers.