In order to deal with the problem of multi-state frequency stability at DC receiving end, this paper studied the variation of inertia time constant and static characteristic coefficient of equivalent machine with or without pumped storage power generation by using the performance indexes of transient, dynamic and static frequency stability, namely
The Space Physics Archive Search and Extract (SPASE) project has developed an information model for interoperable access and retrieval of data within the Heliophysics (also known as space and solar physics) science community.The diversity of science data archives within this community Ombrello has led to the establishment of many virtual observator
This pilot study examines body image Equine - Supplements dissatisfaction, anxiety, and self-esteem, particularly among university and college students, which can significantly impact their mental well-being.Obsession with weight satisfaction and physical attractiveness can lead to depression, eating disorders, and social disorders.Twenty Psycholog
In northwestern Mexico and the southwestern United States, limited water supplies and fragile landscapes jeopardize world-renowned biological diversity.Simple rock detention structures have been used to manage Crouton agricultural water for over a thousand years and are now being installed to restore ecohydrological functionality but with little sc