Koshcheev - HVDC Power Transmission Research Institute (NHPT) Russia

The Russian (e x-USSR) Unified Power System is taken as the example for illustratjug how a high level of reliability and survival capability earl he assured to a vary large power pool serving a vast territory even though its backbone networks very often fail to meet the generally accepted n-1 rule. Reported is the set-up of the automatic emergency control system designed as a vital tool for meeting this challenge.