Definitions for "Black Start"
This is an ancillary service which enables the grid to recover from a total shutdown. Power station auxiliary equipment must be supplied with power before the main generators can be started, power stations that provide black start capability are fitted with stand-by generators which can self-start and so energise the grid.
A rapid start-up of an off-line, idle, non-spinning electric generation source.
Black Start refers to the starting of a power system with its own power sources, without the assistance from external power supplies.