The concepts of business continuity management,operational resilience,and organizational resilience each refer to actions that businesses and organizations can take in anticipating and responding to disruptions.Howeve...The concepts of business continuity management,operational resilience,and organizational resilience each refer to actions that businesses and organizations can take in anticipating and responding to disruptions.However,the existing definitions and usages are difficult to differentiate due to overlapping objectives,implementation processes,and outcomes.This article examines definitions and approaches for these three concepts and suggest a framework to operationalize methods and tools relevant to each.These definitions emphasize three dyads:risk versus resilience;organizational processes versus assets;and normal operating conditions versus crisis conditions.Using these dyads to differentiate the concepts of business continuity management,operational resilience,and organizational resilience can support planners in clarifying objectives and identifying which approach will be most beneficial as businesses or organizations plan for and encounter disruptions.This article evaluates these concepts by examining illustrative examples of disruptions and responses.展开更多
Power system resilience is defined as the ability of power grids to anticipate,withstand,adapt and recover from high-impact low-probability(HILP)events.There are both long-term and short-term measures that system oper...Power system resilience is defined as the ability of power grids to anticipate,withstand,adapt and recover from high-impact low-probability(HILP)events.There are both long-term and short-term measures that system operators can employ for resilience rein-forcement.Longer-term measures include infrastructure hardening and resilient planning,while short-term operational measures are applied in the pre-event,during-event and post-event phases.Microgrids(MGs)can effectively enhance resilience for both transmission and distribution systems,due to their ability to operate in a controlled,coordinated way,when connected to the main power grid and in islanded mode.In this paper,MG-based strategies for resilience enhancement are presented,including MG-based resilient planning and MG-based operational measures,consisting of preventive MG scheduling and emergency measures and MG-based system restoration.Classification of literature is made by considering whether the transmission system,distribution system or individual MG resilience is targeted.The way uncertainties are handled by various methods is also outlined.Finally,challenges and future research requirements for improving MG-based power system resilience are highlighted.展开更多
基金funded in part by the US Army Engineer Research and Development Center(FLEX-4).
文摘The concepts of business continuity management,operational resilience,and organizational resilience each refer to actions that businesses and organizations can take in anticipating and responding to disruptions.However,the existing definitions and usages are difficult to differentiate due to overlapping objectives,implementation processes,and outcomes.This article examines definitions and approaches for these three concepts and suggest a framework to operationalize methods and tools relevant to each.These definitions emphasize three dyads:risk versus resilience;organizational processes versus assets;and normal operating conditions versus crisis conditions.Using these dyads to differentiate the concepts of business continuity management,operational resilience,and organizational resilience can support planners in clarifying objectives and identifying which approach will be most beneficial as businesses or organizations plan for and encounter disruptions.This article evaluates these concepts by examining illustrative examples of disruptions and responses.
文摘Power system resilience is defined as the ability of power grids to anticipate,withstand,adapt and recover from high-impact low-probability(HILP)events.There are both long-term and short-term measures that system operators can employ for resilience rein-forcement.Longer-term measures include infrastructure hardening and resilient planning,while short-term operational measures are applied in the pre-event,during-event and post-event phases.Microgrids(MGs)can effectively enhance resilience for both transmission and distribution systems,due to their ability to operate in a controlled,coordinated way,when connected to the main power grid and in islanded mode.In this paper,MG-based strategies for resilience enhancement are presented,including MG-based resilient planning and MG-based operational measures,consisting of preventive MG scheduling and emergency measures and MG-based system restoration.Classification of literature is made by considering whether the transmission system,distribution system or individual MG resilience is targeted.The way uncertainties are handled by various methods is also outlined.Finally,challenges and future research requirements for improving MG-based power system resilience are highlighted.
