Quad-busbar Scheme-based Substation Auxiliary System Power Supply
Regarding on the shortcomings of conventional station power systems in terms of reliability and automation functions,a quad-busbar-based optimized auxiliary power system is proposed.This method puts the important and non-important loads in different sections, which enhances the flexibility of switching and ensures normal operation of important loads under various working conditions.Moreover,the circuit breakers can opened and closed through voltage loss tripping and electrical locking control without manual operation,which has higher degree of intelligence.This design method has been successfully applied in multiple overseas engineering projects.
auxiliary power systemreliabilitysubstation electrical
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