Based on the booming load of power grid, expanding of transmission lines, the emergence of AC/DC grid, the security and stability problem increasingly prominent. NR has developed a series of products based on ‘three – defense – line’ theory to prevent blackouts and even paralysis of major grid, to ensure the safe and stable operation of power system.
Quickly and accurately isolate faulty element, make system disturbance minimum, it is the most important measures to ensure power safety and stability.
Take remedial measurements (generator rejection or load shedding) to prevent power system from loss of stability based on event – response philosophy.
Execute deliberate separation, load – shedding or generator rejection to prevent blackouts in case of out – of – step oscillation, abnormality of frequency or voltage.
NR Protective Relay: Clear Fault Quickly and Accurately
NR's PSCS: Generator Rejection or Load Shedding to Keep Power System Stable
NR's step protection and F/V devices: Separate Power Grid, Keep Self – balance, Decrease blackouts area.
NR solution makes China's power grid safe and stable