Equipotentiality and grounding Derivation of grounding resistance for equipment

2014 ◽  
Author(s):  
Richard Nute
Keyword(s):  
Grounding Resistance

scholarly journals (In)coherent subjects? The politics of conceptualising resistance in the UK asylum system

2021 ◽  
pp. 239965442110338
Author(s):  
Sarah M Hughes
Keyword(s):  
Political Action ◽  
Political Agency ◽  
The Political ◽  
Ethnographic Research ◽  
Sovereign Power ◽  
Subject Formation ◽  
Grounding Resistance ◽  
Migration Control ◽  
The Uk

Many accounts of resistance within systems of migration control pivot upon a coherent migrant subject, one that is imbued with political agency and posited as oppositional to particular forms of sovereign power. Drawing upon ethnographic research into the role of creativity within the UK asylum system, I argue that grounding resistance with a stable, coherent and agentic subject, aligns with oppositional narratives (of power vs resistance), and thereby risks negating the entangled politics of the (in)coherence of subject formation, and how this can contain the potential to disrupt, disturb or interrupt the practices and premise of the UK asylum system. I suggest that charity groups and subjects should not be written out of narratives of resistance apriori because they engage with ‘the state’: firstly, because to argue that there is a particular form that resistance should take is to place limits around what counts as the political; and secondly, because to ‘remain oppositional’ is at odds with an (in)coherent subject. I show how accounts which highlight a messy and ambiguous subjectivity, could be bought into understandings of resistance. This is important because as academics, we too participate in the delineation of the political and what counts as resistance. In predetermining what subjects, and forms of political action count as resistance we risk denying recognition to those within this system.

scholarly journals A novel fault section locating method based on distance matching degree in distribution network

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Zhenxing Li ◽  
Jialing Wan ◽  
Pengfei Wang ◽  
Hanli Weng ◽  
Zhenhua Li
Keyword(s):  
Single Phase ◽  
Distribution Network ◽  
Matlab Simulink ◽  
Grounding Resistance ◽  
Blind Zone ◽  
System Transition ◽  
Transition Resistance ◽  
Zero Sequence ◽  
Matching Degree ◽  
Amplitude Characteristics

AbstractFault section location of a single-phase grounding fault is affected by the neutral grounding mode of the system, transition resistance, and the blind zone. A fault section locating method based on an amplitude feature and an intelligent distance algorithm is proposed to eliminate the influence of the above factors. By analyzing and comparing the amplitude characteristics of the zero-sequence current transient components at both ends of the healthy section and the faulty section, a distance algorithm with strong abnormal data immune capability is introduced in this paper. The matching degree of the amplitude characteristics at both ends of the feeder section are used as the criterion and by comparing with the set threshold, the faulty section is effectively determined. Finally, simulations using Matlab/Simulink and PSCAD/EMTDC show that the proposed section locating method can locate the faulty section accurately, and is not affected by grounding mode, grounding resistance, or the blind zone.

Wavelet-based Analysis of Impulse Grounding Resistance–Experimental Study of the “A”-type Grounding System

2015 ◽  
Vol 43 (19) ◽  
pp. 2189-2195
Author(s):  
Meludin Veledar ◽  
Samir Avdakovic ◽  
Zijad Bajramovic ◽  
Milan Savic ◽  
Koviljka Stankovic ◽  
...  
Keyword(s):  
Experimental Study ◽  
Grounding System ◽  
Grounding Resistance

Preparation and Long-Term Stability Study of Steel Fiber/Graphite Conductive Concrete

2016 ◽  
Vol 680 ◽  
pp. 361-364 ◽  
Author(s):  
Jun Du ◽  
Cheng Tang ◽  
Bo Jia ◽  
De Zhang ◽  
Qiang Miao
Keyword(s):  
Corrosion Resistance ◽  
Steel Fiber ◽  
Stability Study ◽  
Soil Resistivity ◽  
Grounding Resistance ◽  
Term Stability ◽  
Long Term Stability ◽  
Conductive Fillers ◽  
The Common

The steel fiber/graphite conductive concrete is applied in power system grounding. In high soil resistivity regions, the common methods for reducing the grounding resistance are not practical. It is difficult for grounding resistance of substations to meet the requirements of working earthing and safety earthing. In order to solve this problem, a steel fiber/graphite conductive concrete is developed in this paper. Steel fiber and graphite are added as conductive fillers. The long-term stability of the steel fiber/graphite conductive concrete is studied. The experiment results show that steel fiber/graphite conductive concrete not only maintains excellent conductivity, but also has good mechanical strength and corrosion resistance in 300 days.

Algorithm Research on Tower Grounding Resistance On-Line Measurement

2012 ◽  
Vol 239-240 ◽  
pp. 372-375
Author(s):  
Tao Wang ◽  
Bing Li ◽  
Hong Xing Yang
Keyword(s):  
Data Processing ◽  
Transmission Line ◽  
Matlab Simulation ◽  
Grounding Resistance ◽  
Line Measurement ◽  
On Line ◽  
Good Conductor

Traditional transmission line tower grounding resistance measurements have many shortcomings, in order to make up the defects the model of transmission line tower with good conductor wires and multiple grounding leads was builded, and then the algorithm of tower grounding resistance on-line measurement was proposed. On this condition, a system based on this algorithm was designed and further analysis of the error during data processing was conducted. At last, the MATLAB simulation indicates that the algorithm has a accuracy that meets the practical requirements.

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