Results 11 to 20 of about 19,372 (204)
Computation of transient electromagnetic fields due to switching in high voltage substations [PDF]
, 2010 Switching operations of circuit breakers and disconnect switches radiate transient electromagnetic fields within high-voltage substations. The generated fields may interfere and disrupt normal operations of electronic equipment.
Siew, W.H. +5 more
core +4 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
Radiometric Wireless Sensor Network Monitoring of Partial Discharge Sources in Electrical Substations [PDF]
, 2015 A wireless sensor network (WSN) with the potential to monitor and locate partial discharge (PD) in high-voltage electricity substations using only received signal strength (RSS) is proposed.
Jaber, Adel +28 more
core +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
Applied Sciences, 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 +4 more
doaj +1 more source
UHF diagnostic monitoring techniques for power transformers [PDF]
, 2004 This paper initially gives an introduction to ultra-high frequency (UHF) partial discharge monitoring techniques and their application to gas insulated substations.
Bennoch, C.J. +3 more
core +2 more sources
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