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2. Re-Exploration of the Sustainability of Traditional Village Spatial Development in The Epidemic Era – From the Perspective of Jiangnan Region, China

Author

Liu Xinqu, Wu Yongfa, Liu Junyang, and Liao Zaiyi

Subjects
Environmental sciences, GE1-350
Abstract

The global spread of the COVID-19 has given severely challenge to the contemporary human settlement environment. Traditional villages, as an essential human settlement, which has been significant in contemporary life. This article takes the traditional village space in the Jiangnan region, China as an example to analyse the positive interaction between humans and nature, health, and space in its traditional design. This research points out that in the traditional village space, healthy human settlements have two levels: “material form” and “internal sprite”. In addition to focusing on the transformation, innovation, and application of the technology, designers should exceed the material level to seek non-material dialogue and integration, to explore the important role of inner spiritual art for healthy living. Finally, this research combine with the urban epidemic prevention function and pointed out that the symbiosis mechanism between urban and rural areas should be actively explored. The penetration and integration of urban and rural areas can better cure, and promote the sustainable protection, activation, utilization and innovation of traditional villages in the future.

Published
2021
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5. Partial discharge characteristics of uniform gap in oil-impregnated paper insulation under switching impulse voltage

Author

Zhongliu Zhou, Liu Xinqu, Wang Mingyuan, Jiangang Deng, Ling Zhang, Yuanxiang Zhou, and Yunxiao Zhang

Subjects
010302 applied physics, Materials science, business.industry, 020209 energy, Acoustics, Electrical engineering, 02 engineering and technology, Dielectric barrier discharge, Impulse (physics), 01 natural sciences, Impulse generator, Amplitude, 0103 physical sciences, Partial discharge, 0202 electrical engineering, electronic engineering, information engineering, Waveform, Electrical and Electronic Engineering, business, Occurrence time, Voltage
Abstract

In comparison with the AC and DC working voltages, the effect of switching impulse voltage on insulation is very different because of its fast-rising rate and large amplitude. This paper mainly focuses on the characteristics of PD in oil-impregnated paper insulation under switching impulse voltage. First, a robust experimental platform was set up including the impulse power source, test samples with uniform gas and oil gap, and the signal acquisition and processing system. PD characteristics in the air and oil gap are analyzed and compared involving the time-domain waveforms, the variation tendency of the average amplitude and numbers of PD pulses, the occurrence time and the instantaneous value of impulse corresponding to the first PD. Based on the dielectric barrier discharge (filament) theory, a parallel microcircuit model was established to explain the similarities and dissimilarities, and to evaluate the gap discharge intensity. The occurrence and development of PD under switching impulse voltage of typical oil-impregnated paper defect were studied systematically with simulation, experiments, and modeling.

Published
2016

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