Abstract
The increase in power outages caused by high-impact low-probability events, such as extreme weather-related climate variation events, is the main reason behind studying power system resilience. However, the concepts of resilience as well as the proactive procedures that can be carried out to address these events are such have not so far been satisfactorily investigated notwithstanding their growing benefits. This paper exhibits a review of the current research on power system resilience; which predominantly focuses on proactive resilience against natural disasters. Firstly, it gives a theoretical framework to acquire insights into power system resilience and its key features. Secondly, it presents frameworks for proactive resilience of power systems with a spotlight on the extreme weather events and their effect. Finally, various strategies for preparing, hardening and enhancing proactive resilience with a focus on microgrids for improving power system resilience are reviewed.
Highlights
Increasing the intensity and repetition of blackouts due to extreme weather events and severe damage to people and the economy is as yet the weak point of the electrical infrastructures [1], [2]
China suffered a severe snowstorm, which led to damage of 2000 substations and a breakdown of 8500 towers resulting in power outages in 13 provinces and 170 cities [4]
This paper introduces a recent review of the studies on the proactive resilience of a power system that spotlights on specialized issues from the perspective of system engineering
Summary
Increasing the intensity and repetition of blackouts due to extreme weather events and severe damage to people and the economy is as yet the weak point of the electrical infrastructures [1], [2]. The Cabinet Office, UK [22], defined a CI’s resilience as the capability for anticipation, absorption, adaptation, and recovers quickly from a troublesome occasion Upon this definition, the main properties of a resilient CI are resistance, reliability, redundancy, and response/recovery as described in Fig.. Concerning the contextual meaning of the resilience of power systems, the authors in [31] defined it as the system’s capability to anticipate, absorb and recover from the serious occasions in a convenient and successful way In other words, it alludes to the system’s capability to recover rapidly after a disaster, or in general the ability to anticipate the exceptionally and HILP events, the rapid recovery from troublesome occasions, and absorbing experiences to adjust its infrastructure and operations, to prevent or alleviate the effect of same future events.
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