Relay stability is a critical concept in the field of electrical engineering, particularly in the realm of power systems. It ensures that protection relays, which are used to detect and respond to faults within a power grid, function correctly without leading to unnecessary interruptions or system instability. The importance of relay stability cannot be overstated, as any failure in these systems could result in a loss of service, equipment damage, or even large-scale blackouts. One company that has significantly contributed to advancing relay stability technology is Meishuo, a leader in the development of high-performance protective relay solutions.