Results 1 to 10 of about 577,169 (349)
A Simplified Lightning Model for Metal Oxide Surge Arrester [PDF]
Lightning strike has been one of the major factors that lead to failure of electrical power systems. In recent years, metal oxide surge arrester has been widely used and it is now an essential item in the insulation coordination for power systems based ...
Mardira, K. P., Saha, T.K.
core
Optimization of Surge Arrester Locations in Overhead Distribution Networks [PDF]
Lightning is considered one of the main causes of faults in overhead distribution networks. Direct strokes usually lead to flashovers due to the insulation levels that are used. Induced overvoltages caused by indirect lightning are usually lower and can be efficiently reduced by metal-oxide surge arresters.
Bullich Massagué, Eduard+3 more
openaire +4 more sources
This paper proposes a systematic and deterministic method for metal-oxide varistor (MOV) surge arrester selection based on the comprehensive analysis in line-commutated converter (LCC)-based high-voltage direct current (HVDC) transmission systems.
Jaesik Kang
doaj +1 more source
Analisa Sistem Proteksi Petir pada Sutt 150 KV Menggunakan Software ATP [PDF]
Electrical energy is very important today. The power company distributes the electric energy through the 150 kV overhead lines. The transmission line is a major part of the electrical energy distribution process.
Murdiya, F. (Fri), Sano, H. A. (Havel)
core
Purpose.The aim of this study is to obtain a method for determining the capacity surge arrester nonlinear absorb energy without breaking the heat balance in modes of long-term application of operating voltage, which allows for analysis of their work in ...
S.Yu. Shevchenko
doaj
Evaluasi Perlindungan Gardu Induk 150 Kv Pandean Lamper Di Trafo III 60 Mva Terhadap Gangguan Surja Petir [PDF]
One of the main causes of damage to existing equipment in the substation was struck bylightning attack that cause the conductor wave and make over voltage and flames leap peak voltage exceeds BIL.
Assaffat, L. (Luqman)+2 more
core
Design of Defect Identification and Location System for UHV AC Surge Arrester
Ultra high voltage (UHV) metal oxide arrester (MOA) is prone to problems such as resistance sheet aging and moisture exposure during long-term operation.
Dantian Zhong, Lei Gao, Zhiyuan Cai
doaj +1 more source
The Influence of Atmospheric Overvoltages on High-Voltage SF6 Substations [PDF]
Very fast overvoltages are characteristic of high-voltage metal-enclosed SF6 insulated substations. During the transient phenomenon, on the SF6 substation enclosure an undesired, short-lasting induced overvoltage may appear, which cannot be prevented ...
Marinko Barukčić+2 more
core +1 more source
Metal oxide surge arresters (ZNO) are used widely in power system to protect equipments from over voltages. Non uniform potential distribution leads to the depressed service life and low safe reliability, so grading ring is applied on HV surge arrester ...
M. Khodsuz, M. Mirzaie
doaj
Condition monitoring of electrical assets using digital IRT and AI technique
In this paper, an advancement approach considering an infrared thermography methodology is taken into account for pronouncing and diagnosing the fault persisting in the electrical equipment.
Deepak Kumar, M.A. Ansari
doaj