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Showing 1 to 3 of 3 for “"out-of-step blocking"”.
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A new method of utilising stability study results in applying out-of-step protection to allow observability of rotor angle unstable conditions
… conditions may cause undesired operation of distance relays, resulting in the unnecessary switching of lines. To prevent the possible undesired operation of distance relays, a protection type known as out-of-step blocking is used. This protection type is complemented by another type of …
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An investigation into the importance of considering protection performance during power system out-of-step conditions
The performance of power system protection is affected by out-of-step conditions in that system. Protection relays such as distance relays may detect an out-of-step condition and consequently operate to trip unfaulted lines. The tripping of unfaulted lines interrupts supply to loads and exacerbates …
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A New Special Protection Scheme for Power System Controlled Separation
… scheme is proposed to prevent the propagation of cascading failures across a transmission network should it undergoes a major disturbance, thereby reducing the possibility of a large-scale blackout. This scheme is developed based on a set of conjectures, which state the following: (i) the …