Results 11 to 20 of about 14,323 (250)
Applied Sciences (Switzerland), 2018 The adequate protection against lightning surges and the limitation of the expected annual failure rate of high-voltage substations are critical issues, in an effort to secure the safety of the equipment and the personnel.
Christos A Christodoulou +2 more
exaly +3 more sources
Upgradation of Existing Substation into a Smart Substation
Advances in Research, 2020 The evolution of existing grids to smart grids for power supply is technologically the most prominent research area. It is one of the hot projects considered to contribute in national economy, also at the top priority for the country and involves hefty investments, although the entire research and development area is still immature.
Preetinder Singh, Veena Kumari
openaire +2 more sources
Reliability of supply of switchgear for auxiliary low voltage in substations extra high voltage to high voltage [PDF]
Tehnika, 2015 Switchgear for auxiliary low voltage in substations (SS) of extra high voltages (EHV) to high voltage (HV) - SS EHV/HV kV/kV is of special interest for the functioning of these important SS, as it provides a supply for system of protection and other ...
Perić Dragoslav M. +1 more
doaj +1 more source
Advanced Engineering Research, 2018 Introduction. Power transformers are the basic equipment of the industrial power systems. One of the key indicators of determining the service lifetime of the transformer including its performance characteristics is the condition and residual life of its
A. V. Kostyukov +2 more
doaj +1 more source
A Novel Partial Discharge Localization Method in Substation Based on a Wireless UHF Sensor Array
Sensors, 2017 Effective Partial Discharge (PD) localization can detect the insulation problems of the power equipment in a substation and improve the reliability of power systems.
Zhen Li +4 more
doaj +1 more source
Energies, 2021 In large substations, many lightning rods are installed on multi-grounded frames. The lightning rods, the frame, the grounding grid and the soil form a whole body, and the lightning current will be discharged from many grounding points.
Zhuoran Liu, Weidong Shi, Bo Zhang
doaj +1 more source
The Journal of Engineering, 2019 AC system which ±800 kV converter station access to commonly used 500 kV voltage level. With the construction of the Northwest Energy Base, a large number of ultra-high-voltage direct current (UHVDC) project are constructing.
Yujian Ding +3 more
doaj +1 more source
The Journal of Engineering, 2018 Resonance or harmonic amplification occurs when the frequency of the harmonics generated by the converter station is near the inherent resonance frequency of the substation.
Liu Helin, Wen Jun, Yu Shiyou, Li Jiaqi
doaj +1 more source
The Journal of Engineering, 2018 To research the magnetic field interference on cables nearby three-phase air-core reactors and the shielding effect of different materials, this study analysed the influence on spatial magnetic field by using high-conductivity materials and high ...
Tao Wenbiao +4 more
doaj +1 more source
Insulator fault feature extraction system of substation equipment based on machine vision
IET Networks, EarlyView., 2022 Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang +4 more
wiley +1 more source