نتایج جستجو برای: eaf reactive power

تعداد نتایج: 636417  

Gh. Yousefi, H.Seifi and M. S. Ghazi-zadeh,

In a de-regulated open access environment, reactive power is one of the ancillary services which must be provided by an Independent System Operator (ISO). In this paper, a new algorithm is proposed in which reactive power resources are initially so tuned that optimum security in terms of voltage profile and voltage stability are achieved while at the same time, the system losses are minimized. ...

Gh. Yousefi, H.Seifi and M. S. Ghazi-zadeh,

In a de-regulated open access environment, reactive power is one of the ancillary services which must be provided by an Independent System Operator (ISO). In this paper, a new algorithm is proposed in which reactive power resources are initially so tuned that optimum security in terms of voltage profile and voltage stability are achieved while at the same time, the system losses are minimized. ...

2015
Fahri Yetisir A. Ebru Salman Hasan Zafer Acar Mehmet Özer Muhittin Aygar Gokhan Osmanoglu

Introduction. Management of open abdomen (OA) with enteroatmospheric fistula (EAF) in morbid obese patient with comorbid disease is challenging. We would like to report the management of septic OA in morbid obese patient with EAF which developed after strangulated recurrent giant incisional hernia repair. We would also like to emphasize, in this case, the conversion of EAF to ileostomy by the h...

Journal: :Neurology. Genetics 2015
Tommaso Pippucci Laura Licchetta Sara Baldassari Flavia Palombo Veronica Menghi Romina D'Aurizio Chiara Leta Carlotta Stipa Giovanni Boero Giuseppe d'Orsi Alberto Magi Ingrid Scheffer Marco Seri Paolo Tinuper Francesca Bisulli

OBJECTIVE To identify novel genes implicated in epilepsy with auditory features (EAF) in phenotypically heterogeneous families with unknown molecular basis. METHODS We identified 15 probands with EAF in whom an LGI1 mutation had been excluded. We performed electroclinical phenotyping on all probands and available affected relatives. We used whole-exome sequencing (WES) in 20 individuals with ...

M. Doostizadeh, M. Ettehadi

Traditionally, conventional generation unit was used to provide ancillary services e.g. reactive power support, and spinning reserve. Nonetheless, with the emergence of highly penetrated distributed energy resources (DERs) systems and considering how beneficial they can be; it appears reasonable to use them as reactive power providers. Therefore, this paper introduces a new procedure for DERs t...

2014
Dan Brisson Kenneth W. Grieshaber Andrew D. Sappey

Considerable work has been done on the development of advanced process control for the Electric Arc Furnace (EAF) steelmaking process. Historically, many control systems have been employed which rely on static heat balance calculations coupled with power input profiles to generate recipe driven control models. Steelmakers have desired to have continuous information about the gases exiting the f...

2009
K. Nagendra Prasad Jing Hao Chun Yi Dandan Zhang Shengxiang Qiu Yueming Jiang Mingwei Zhang Feng Chen

Antioxidant activities of wampee peel extracts using five different solvents (ethanol, hexane, ethyl acetate, butanol and water) were determined by using in-vitro antioxidant models including total antioxidant capability, 1,1-diphenyl-2-picryl hydrazyl (DPPH) radical scavenging activity, reducing power, and superoxide scavenging activity. Ethyl acetate fraction (EAF) exhibited the highest antio...

2011
Zeila P. Lima Flavia Bonamin Tamara R. Calvo Wagner Vilegas Lourdes C. Santos Ariane L. Rozza Claudia H. Pellizzon Lucia R. M. Rocha Clélia A. Hiruma-Lima

Alchornea triplinervia (Spreng.) Muell. Arg (Euphorbiaceae) is a medicinal plant commonly used by people living in the Cerrado region of Brazil to treat gastrointestinal ulcers. We previously described the gastroprotective action of methanolic extract (ME) of Alchornea triplinervia and the ethyl acetate fraction (EAF) in increasing of prostaglandin E₂ (PGE₂) gastric levels in the mucosa. In thi...

Journal: :Respiratory care 2014
Woo-Jin Kim Yu-Il Kim Ji-Eun Kim Young-Hwan Choi Hyong-Ho Cho Yoo-Duk Choi Hyun-Ju Seon Sung-Ho Yoon

Eosinophilic angiocentric fibrosis (EAF) is a rare inflammatory disease that primarily involves the nose and sinuses. Involvement of the eye orbit and larynx has also been described. However, it is very rare for this disease to involve the lower respiratory tract and cause dyspnea. We describe a rare case of EAF involving the lower respiratory tract with airway narrowing. A 29-year-old female w...

Journal: : 2021

Low energy efficiency of foundry class electric arc steelmaking furnaces (EAF) mainly is caused by heat loss massive lining during forced downtime. A low-power transformer doesn’t allow, in the conditions classical technology, practice traditional water-cooled elements order to replace partially lining, what determines increased refractory consumption. The aim and savings. On basis numerical mo...

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