Direct Detection Method of Ground Fault by the Contact between High and Low Voltage Lines from Low Voltage Distribution Line Side for Three Phase Power Conditioners

2018 ◽  
Vol 138 (2) ◽  
pp. 69-81
Author(s):  
Yoshiaki Yoshida ◽  
Souta Saiki ◽  
Naoto Nunomura
Keyword(s):  
Detection Method ◽  
Low Voltage ◽  
Direct Detection ◽  
Voltage Distribution ◽  
Ground Fault ◽  
Three Phase ◽  
Distribution Line ◽  
Direct Detection Method

Improved Equivalent Resistance Method for Low-Voltage Distribution Line Loss Calculation

2014 ◽  
Vol 1008-1009 ◽  
pp. 417-420 ◽  
Author(s):  
Xiao Hui Liu ◽  
Lin Ma ◽  
Yun Song Shi ◽  
Yu Jiang Wang ◽  
Jun Hua Li
Keyword(s):  
Low Voltage ◽  
Equivalent Resistance ◽  
Voltage Distribution ◽  
Phase Current ◽  
Resistance Method ◽  
Loss Calculation ◽  
Three Phase ◽  
Distribution Line ◽  
Line Loss

Aiming at the insufficiency of Equivalent Resistance Method for a low-voltage distribution line loss calculation, this article has been improved. Then this paper presents the method of using three-phase quantity of electricity to calculate three-phase current, it can calculate the three-phase unbalanced line loss without current date and facilitate the application of Three-phase Unbalanced Method. It develops our own program based on Visio to calculate low-voltage distribution line loss. The results showed: Improved Equivalent Resistance Method improves the accuracy; in the three-phase unbalanced the method of using three-phase quantity of electricity to calculate three-phase current is more easily modified and more practical value.

New Detection Method for an Insulation Level Monitoring Device Used in Low-Voltage Distribution Lines

2016 ◽  
Vol 136 (11) ◽  
pp. 878-883 ◽  
Author(s):  
Kazunori Nishimura ◽  
Yusaku Marui ◽  
Satonori Nishimura ◽  
Wataru Sunayama
Keyword(s):  
Detection Method ◽  
Low Voltage ◽  
Monitoring Device ◽  
Voltage Distribution ◽  
Distribution Lines ◽  
Level Monitoring

scholarly journals Single Molecule Investigation of Ag+ Interactions with Single Cytosine-, Methylcytosine- and Hydroxymethylcytosine-Cytosine Mismatches in a Nanopore

2014 ◽  
Vol 4 (1) ◽  
Author(s):  
Yong Wang ◽  
Bin-Quan Luan ◽  
Zhiyu Yang ◽  
Xinyue Zhang ◽  
Brandon Ritzo ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Binding Site ◽  
Single Molecule ◽  
Metal Ion ◽  
Detection Method ◽  
Direct Detection ◽  
Alpha Hemolysin ◽  
Duplex Stability ◽  
Dynamics Simulations ◽  
Direct Detection Method

Abstract Both cytosine-Ag-cytosine interactions and cytosine modifications in a DNA duplex have attracted great interest for research. Cytosine (C) modifications such as methylcytosine (mC) and hydroxymethylcytosine (hmC) are associated with tumorigenesis. However, a method for directly discriminating C, mC and hmC bases without labeling, modification and amplification is still missing. Additionally, the nature of coordination of Ag+ with cytosine-cytosine (C-C) mismatches is not clearly understood. Utilizing the alpha-hemolysin nanopore, we show that in the presence of Ag+, duplex stability is most increased for the cytosine-cytosine (C-C) pair, followed by the cytosine-methylcytosine (C-mC) pair and the cytosine-hydroxymethylcytosine (C-hmC) pair, which has no observable Ag+ induced stabilization. Molecular dynamics simulations reveal that the hydrogen-bond-mediated paring of a C-C mismatch results in a binding site for Ag+. Cytosine modifications (such as mC and hmC) disrupted the hydrogen bond, resulting in disruption of the Ag+ binding site. Our experimental method provides a novel platform to study the metal ion-DNA interactions and could also serve as a direct detection method for nucleobase modifications.

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