The macro model of hybrid on-load tap-changer passive trigger [PDF]
MATEC Web of Conferences, 2021 Using thyristor as arc medium hybrid on-load tap-changer, completely solve the problem of switch produce arc, reduce the ablation of mechanical contact, improve the working environment of transformer oil, both mechanical switch and brake switch tube, the
Li Peng +6 more
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Development of 110kV Thyristor Assisted Arc Extinguishing Hybrid OLTC [PDF]
E3S Web of Conferences, 2021 On the basis of formulating the technical conditions of 110kV thyristor assisted arc extinguishing hybrid on load tap changer, this paper carries out the mechanical structure design, gives the design scheme of switching switch, selection switch and other
Shi Fei +6 more
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A 3D Printed Ka-Band High-Efficiency Wide-Slit Antenna Array for High-Power Microwave Applications
International Journal of Antennas and Propagation, 2022 A Ka-band high-power waveguide wide-slit antenna array with high efficiency and high-power capacity is proposed in this paper. The antenna uses a waveguide vertical transition structure as a part of the feed network, which improves the compactness and ...
Liang Liu +5 more
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Study on internet of things architecture of substation online monitoring equipment [PDF]
MATEC Web of Conferences, 2021 This paper introduces the structure of the existing on-line monitoring system, and analyzes the problems of poor compatibility and reliability of IED in different manufacturers.
Zhang Hejun +5 more
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Charging models for airborne suspended particles around HVDC lines
High Voltage, 2021 Ground total electric field (GTEF) is a vital parameter in the field of electromagnetic environment of high voltage direct current (HVDC) lines. Some experimental works reported that airborne suspended particles can be charged in the corona ion flow of ...
Kun He +6 more
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Research on Defect Diagnosis Method of Reactor Acoustic Vibration Method Based on Deep Learning [PDF]
E3S Web of Conferences, 2021 Although the state evaluation method based on characteristic parameters and weight factors can extract the characteristic quantities in time domain and frequency domain according to the collected acoustic and vibration signals of reactors, it is ...
Jia Peng-fei +5 more
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Development and Experimental Research of VFTO Measuring Sensor
Sensors, 2022 Very fast transient overvoltage (VFTO) generated by an operating disconnector is one of the main reasons for electromagnetic disturbance in gas-insulated switchgear (GIS) substations.
Zihan Teng +4 more
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Research on GIS Monitoring System in Operation Based on Rail Robot [PDF]
E3S Web of Conferences, 2021 GIS is prone to various defects and faults after putting into operation, and the failure rate is high. At present, the inspection methods of GIS in operation include traditional inspection mode, two-dimensional code inspection mode, radio frequency ...
Jia Peng-Fei +5 more
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Research on Reactor Condition Evaluation Method Based on Acoustic Vibration Characteristic Parameters and Weight Factors [PDF]
E3S Web of Conferences, 2021 Compared with the traditional reactor abnormal state detection method, the acoustic vibration detection method combines the advantages of acoustic detection and vibration detection, which has the advantages of simple installation, strong portability and ...
Jia Peng-fei +5 more
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High Voltage, 2021 The ongoing large‐scale construction of ultra high voltage direct current projects in China makes the crossing of two high voltage direct current (HVDC) lines inevitable.
Xiaoqian Ma, Li Xie, Kun He, Jiayu Lu
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