Co-evaluation of power system frequency performance and operational reliability considering the frequency regulation capability of wind power

With the increasing proportion of renewable energy, the power system inertia decreases, and the operation uncertainty rises.It brings concerns about the system frequency and operational reliability.However, the impacts of the power system frequency performance on the reliability parameters of generation units have not been fully investigated.This p

read more


Effect of built environment on tsunami related injuries

Background Built environment is a major determinant in injuries and deaths during natural disasters.Purpose of the present paper was to study the effect of built environment on tsunami injuries.Methods A retrospective residential cohort was constructed one month after the tsunami, based on the cross sectional household survey.Household structure wa

read more