Abstract: Abstract:Due to heavy snowfall in wide area of North China, three output transmission lines of Togtoh Power Generation Company Limited tripped successively, four power units were compelled to shut down urgently. According to the actual situation of sudden accident of the power plant, the professionals of coal handling system formulated an accident emergency proposal scheme and tried their best to ensure the equipments of coal handling system to operate safely and stably.

Key words: Key words:trip, emergency plan, coal handling system