Research of protection for AC transmission lines based on characteristic of grid-side inverter
The Journal of Engineering, 2019 With the advantage of saving resources and high utilisation, DC transmission becomes the vital part of the sustainable development. However, due to the control strategies of grid-side inverter, the fault characteristics of the grid will change ...
Ning Huang, Chunju Fan, Shan Jiang
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Rheology and Microstructure of Shear Thickening Fluid Suspoemulsions
Applied Rheology, 2014 A novel shear thickening suspoemulsion is formulated and studied with a new rheo-microscope instrument. The experimental fluid system is comprised of a immiscible blend of Newtonian, low molecular weight poly(dimethylsiloxane) and a shear thickening ...
Wagner Norman J. +2 more
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Study on the IGBT Overcurrent Failure of VSC-HVDC Converter Valve
Zhongguo dianli, 2021 IGBT overcurrent failure, which is one of the important factors harming VSC-HVDC safe operation, can easily lead to module explosion, water cooling system leakage and even the converter valve shutdown.
Jingbo FENG +4 more
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Physics of electro-thermal effects in ESD protection devices [PDF]
, 1991 Damage in ESD protection devices can be caused by high local temperatures resulting from heat generation by an ESD pulse. In order to obtain physical insight into the process that leads to permanent damage, device simulations of coupled thermal and ...
Beltman, R.A.M. +3 more
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DETERMINING A TYPE OF A DAMAGE IN THE CURRENT PROTECTION OF POWER LINES OF 6–35 KV
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2017 The methods to identify types of phase-to-phase short circuits that can be used to improve technical excellence by speed-current line protection of distribution networks of 6–35 kV are considered.
F. A. Romaniuk +3 more
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Design of an Over Current Relay (OCR) System on a Distribution Network Using a Raspberry Pi
Journal Geuthee of Engineering and Energy, 2023 Disturbances in the electrical installation system will be detrimental to electricity users because it can cause power outages. Therefore we need a protection system that can overcome disturbances such as the use of Over Current Relay (OCR). With OCR can
Yuli Prasetyo +3 more
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Analysis of stray current induced by cathodic protection on steel-framed masonry structures [PDF]
, 2011 Cathodic protection (CP) has been successfully employed to protect steel-framed masonry buildings from corrosion related damage. When a CP system is installed to protect the structural members, other metallic items which are within the fabric of the ...
Lambert, P +3 more
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THE RELIABILITY OF DETERMINING THE SHORT CIRCUIT ZONE OF THE LINES OF 6–35 kV
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2018 A method of increasing the reliability of determining the zone of short-circuit at the current step protection of the lines of 6–35 kV with unilateral power, aimed at improvement of their technical perfection, is presented in the paper.
F. А. Romaniuk +3 more
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BLOCKING ALGORITHM FOR CURRENT PROTECTION DURING INRUSH MAGNETIZATION CURRENT
Наука и техника, 2014 The paper presents blocking algorithm for current protection during inrush process. The algorithm is based on the evaluation of the ratio of the positive sequence second harmonic current to the negative sequence first harmonic current.
F. A. Romaniuk, M. S. Loman
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The study on the Mal-operation of the transformer current differential protection during external faults cause by CT saturation [PDF]
E3S Web of Conferences, 2021 This paper analyses the unusual mal-operation of the differential protection for transformer current differential protection during the external fault. The mal-operation reason is researched in detail, based on the mathematical analysis, the simulation ...
Wu Jianhong +5 more
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