نتایج جستجو برای: protection time
تعداد نتایج: 2045832 فیلتر نتایج به سال:
Recent technological advances in protection, control and optimization are enabling a more automated power system. This paper proposes the use of these technologies towards an integrated and seamless infrastructure for protection, control and operation. This infrastructure is the basis for accommodating and providing robust solutions to new problems arising from the integration of renewables, na...
In a wavelength-division-muliplexing (WDM) optical network, the failure of network elements (e.g., fiber links and cross connects) may cause the failure of several optical channels, thereby leading to large data losses. This study examines different approaches to protect a mesh-based WDM optical network from such failures. These approaches are based on two survivability paradigms: 1) path prote...
Objective: The present study was undertaken to evaluate anti-depressant activity of Myristica fragrans(MS). Materials and Methods: Male Wistar rats were subjected to imipramine and herbal extract ofMS for their antidepressant activity using Forced Swimming Test (FST), Reserpine Reversal Test (RRT), Haloperidol-Induced Catalepsy (HIC), and Pentobarbitone Sleeping Time (PST). Results: Administr...
BACKGROUND AND OBJECTIVES Our primary objective was to determine the percentage of recreational hockey players who do not wear face protection while playing hockey. METHODS We randomly surveyed recreational hockey players at two indoor hockey rinks in Evandale, Ohio. Data were collected on face protection, injuries, demographic variables, and attitudes about protective gear. RESULTS We surv...
Synchronized wide area communication has become a mature technology, which makes the real-time interaction between the substations and the wide area protection and control system possible. However, the present protection and control system to handle this real-time data has been recognized to be deficient. This paper begins by reviewing the development history of power system protection, with sp...
Introduction: Dental radiography as one of the most frequent type of radiological examinations is accepted for medical investigations due to their significant benefits nevertheless using ionizing radiation. It has lower radiation dose compared to another radiological examination but because of its high application for children, radiation dose needs attention. Based on affectin...
This paper studies the effects of static synchronous compensator (STATCOM) on synchronous generator conventional loss of field (LOF) protection. To accomplish a comprehensive study, a typical and realistic excitation system is considered for the generator by using the phase-domain generator model available in the real-time-digital-simulator. Using such a system, LOF phenomenon is realistically ...
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