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Paper Abstract and Keywords
Presentation
Electric Field Energy Harvesting on Electrial Cables and Its Applications in Voltage Measurement
Chen Xu, Yuan Zhuang, Ye Wang, Le Fang, Yi Huang, Jiafeng Zhou (Univ. of Liverpool)
Abstract (in Japanese) (See Japanese page) 
(in English) A voltage meter based on electric field energy harvesting technology will be proposed in this paper. The measurement of voltage on a power transmission cable using commercially available voltage meters has limitations. Usually direct contact to the conductor and a reference to ground are needed for such measurements. This paper presents a system utilizing a copper sheet wrapped on the insulator of a cable to extract energy from ac electric field generated by the cable. Based on the power extracted by the sheet, the exact voltage on the cable can be calculated. Compared with conventional voltage meter techniques, the proposed system does not require direct contact between the voltage meter and the cable. In addition, the harvested energy can be utilized to power a wireless sensor network in the Smart Grid. Theoretical calculations and experimental demonstrations are presented to prove the concept. Measurement results show that the proposed voltage meter with a 30 cm long wrapped copper sheet has achieved over 99% accuracy when the ac power line voltage varies from 0 to 250V. 1.3 mW power has been harvested when the voltage on the cable is 220 V, which is sufficient for many sensor nodes in the Smart Grid.
Keyword (in Japanese) (See Japanese page) 
(in English) Electric field energy harvesting / high voltage power line / smart grid / voltage meter / / / /  
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Conference Information
Committee WPT  
Conference Date 2019-10-31 - 2019-11-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Xidian University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 2019 Asian Wireless Power Transfer Workshop (AWPT 2019) 
Paper Information
Registration To WPT 
Conference Code 2019-10-WPT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electric Field Energy Harvesting on Electrial Cables and Its Applications in Voltage Measurement 
Sub Title (in English)  
Keyword(1) Electric field energy harvesting  
Keyword(2) high voltage power line  
Keyword(3) smart grid  
Keyword(4) voltage meter  
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1st Author's Name Chen Xu  
1st Author's Affiliation University of Liverpool (Univ. of Liverpool)
2nd Author's Name Yuan Zhuang  
2nd Author's Affiliation University of Liverpool (Univ. of Liverpool)
3rd Author's Name Ye Wang  
3rd Author's Affiliation University of Liverpool (Univ. of Liverpool)
4th Author's Name Le Fang  
4th Author's Affiliation University of Liverpool (Univ. of Liverpool)
5th Author's Name Yi Huang  
5th Author's Affiliation University of Liverpool (Univ. of Liverpool)
6th Author's Name Jiafeng Zhou  
6th Author's Affiliation University of Liverpool (Univ. of Liverpool)
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