نتایج جستجو برای: surge arresters

تعداد نتایج: 13040  

2001
Surya Santoso Robert Zavadil Doug Folts Mark F. McGranaghan Thomas E. Grebe

The objective of this paper is to present the modeling and analysis of a 1.7 Mva SMES-based voltage sag corrector devices. The topology of the SMES-based system and its response to an upstream fault are described. This paper details various modeling aspects of the device including methods to generate a triangular signal and an internal reference voltage. Models to characterize the harmonic cont...

2001
H. Schmitt

Lightning strikes to overhead transmission lines cause travelling waves which propagate along the overhead line and enter substations where they cause overvoltages which can pose a risk to any items of equipment connected, such as cables or transformers. With the use of metal-oxide arresters, these overvoltages are reduced to values which, taking into account an adequate safety margin, are belo...

Journal: :The Iowa Review 2007

Journal: :IEEE Transactions on Power Delivery 1997

Journal: :Journal of the American Institute of Electrical Engineers 1920

Journal: :journal of occupational health and epidemiology 0
a khodadadizadeh [email protected] k jahangiri s sharifian

background: hospital surge capacity (hsc) is essential to the successful management of expected consequences of disasters and mass casualty incidents (mcis). in mcis, an unanticipated number of sick or injured people refer to the hospital, and thus, the hospital is faced with a significant increase in the burden of necessary activities and services. therefore, managing the process in order to m...

2014
Hiromi Rakugi Kazuomi Kario Kazuaki Enya Kenkichi Sugiura Yoshinori Ikeda

Morning blood pressure (BP) surge is reported as a risk factor for cardiovascular events and end-organ damage independent of the 24-h BP level. Controlling morning BP surge is therefore important to help prevent onset of cardiovascular disease. We compared the efficacy of azilsartan and candesartan in controlling morning systolic BP (SBP) surges by analyzing relevant ambulatory BP monitoring da...

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