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198 results on '"Tang, Guangfu"'

5. Jamming Transmitter

Author

Tang, Guangfu, Cai, Yifeng, Gan, Rongbing, Zhao, Yaodong, Tang, Guangfu, Cai, Yifeng, Gan, Rongbing, and Zhao, Yaodong

Published
2023
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9. Jamming Source

Author

Tang, Guangfu, Cai, Yifeng, Gan, Rongbing, Zhao, Yaodong, Tang, Guangfu, Cai, Yifeng, Gan, Rongbing, and Zhao, Yaodong

Published
2023
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17. Strategic Framework for New Electric Power System Development under the Energy Security Pattern

Author

Tang Guangfu, Zhou Jing, Pang Hui, Lin Junjie, Fan Zheng, Wu Yanan, He Zhiyuan, Ma Shicong, Xue Feng, and Zhou Baorong

Subjects
energy security, new electric power system, emergency warning, sharing and mutual aid, security defense, strategic framework, Engineering (General). Civil engineering (General), TA1-2040
Abstract

The construction of a new electric power system is the key path to achieve the carbon peaking and carbon neutrality goals and ensure energy transition security. As the largest man-made system that is complex and highly nonlinear, the electric power system is the core of future energy transition. However, the security of the electric power system faces severe challenges owing to the volatility and randomness of new energy power generation. Considering the new situation and challenges faced by the energy transition security in China, this study clarifies the implications of energy security in terms of supply, environment, economy, and technology, investigates the development goals and strategic paths for energy transformation, and explores the significance of the new electric power system to energy security. The key factors of power source, power grid, load, energy storage, market, and technology that affect the new electric power system security are analyzed. According to the study, the core systems required for the security development of the new electric power system should be constructed from three aspects: emergency warning, sharing and mutual aid, and security defense. Furthermore, the basic idea for the research on the new electric power system development path is proposed to provide a basic reference for the new electric power system construction and the security development research.

Published
2023
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50. A three-phase integrated power electronic transformer with capability of DC fault clearance

Author

Tang Guangfu, Guoliang Zhao, Li Weiguo, Xu Yunfei, and Zhanfeng Deng

Subjects
Technology, business.industry, Computer science, Physics, QC1-999, Electrical engineering, Topology (electrical circuits), Hardware_PERFORMANCEANDRELIABILITY, Fault (power engineering), Capacitance, Electronic, Optical and Magnetic Materials, Power (physics), law.invention, Capacitor, General Energy, Three-phase, law, Distributed generation, Electrical and Electronic Engineering, business, Transformer
Abstract

This paper presents a three-phase integrated PET topology with capability of DC fault clearance based on the investigation of power electronic transformer topology (PET). The proposed PET has three ports of high-voltage AC, high-voltage DC and low-voltage DC, which can achieve the flexible access of distributed energy resources. The power unit of the PET adopts a three-phase integrated topology, and the single-phase fluctuating power in the DC-link capacitor is reduced by a 4-port DC/DC converter, thereby reducing the capacitance of the DC-link capacitor; Meanwhile, the power unit uses the clamp double sub-module(CDSM) to allow the self-clearing of the short-circuit fault on the high-voltage DC side. Finally, the paper verifies the proposed PET through EMT simulation and experimental prototype.

Published
2020

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