scholarly journals Impact of Conductor Surface Type and Rain Intensity on HVDC Corona Losses

2015 ◽  
Vol 30 (5) ◽  
pp. 2284-2292 ◽  
Author(s):  
Martin Pfeiffer ◽  
Christian M. Franck
2016 ◽  
Vol 79 ◽  
pp. 45-55 ◽  
Author(s):  
Martin Pfeiffer ◽  
Tim Schultz ◽  
Sören Hedtke ◽  
Christian M. Franck

2019 ◽  
Vol 5 (1) ◽  
Author(s):  
Melisa Permatasari ◽  
M. Candra Nugraha ◽  
Etih Hartati

<p>The rain intensity is the high rainfall in unit of time. The length of rain will be reversed by the amount rain intensity. The shorter time the rain lasts, the greater of the intensity and re-period of its rain. The value of rain intensity is required to calculate the flood discharge plan on the drainage system planning area in East Karawang district. Determining the value rain intensity is required the maximum daily rainfall data obtained from the main observer stations in the Plawad station planning area. The method of determination rain intensity analysis can be done with three methods: Van Breen, Bell Tanimoto and Hasper der Weduwen. Selected method is based on the smallest deviation value. Determination deviation value is determined by comparing rain intensity value of Van Breen method, Bell Tanimoto, Hasper der Weduwen. By comparing rain intensity value of the Van Breen method, Bell Tanimoto, Hasper der Weduwen with the results of calculating three methods through the method approach Talbot, Sherman and Ishiguro. Calculation results show that the method of rain has smallest deviation standard is method Van Breen with Talbot approach for rainy period (PUH) 2, 5, 10, 25, 50 and 100 years.</p>


2007 ◽  
Vol 2 (1) ◽  
Author(s):  
M. Hochedlinger ◽  
W. Sprung ◽  
H. Kainz ◽  
K. König

The simulation of combined sewer overflow volumes and loads is important for the assessment of the overflow and overflow load to the receiving water to predict the hydraulic or the pollution impact. Hydrodynamic models are very data-intensive and time-consuming for long-term quality modelling. Hence, for long-term modelling, hydrological models are used to predict the storm flow in a fast way. However, in most cases, a constant rain intensity is used as load for the simulation, but in practice even for small catchments rain occurs in rain cells, which are not constant over the whole catchment area. This paper presents the results of quality modelling considering moving storms depending on the rain cell velocity and its moving direction. Additionally, tipping bucket gauge failures and different corrections are also taken into account. The results evidence the importance of these considerations for precipitation due the effects on overflow load and show the difference up to 28% of corrected and uncorrected data and of moving rain cells instead of constant raining intensities.


2018 ◽  
Vol 34 (7) ◽  
pp. 837-840 ◽  
Author(s):  
Kouichi NAKAGAWA ◽  
Satoko MINAKAWA ◽  
Daisuke SAWAMURA

Author(s):  
Qudrat Ullah Khan ◽  
Muhammad Waqas Ishaq ◽  
Nabila Begum ◽  
Karim Khan ◽  
Ubaid Khan ◽  
...  

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