NDLI: An integrated short-circuit current limiting scheme for Sichuan 500kV power grid considering Xinjiang power injection

Content Provider	IEEE Xplore Digital Library
Author	Le Jiang Jun-Yong Liu Zhen-Bo Wei Chen Chen Masoud, B. Wu-Xing Liang
Copyright Year	2014
Description	Author affiliation: Sch. of Electr. Eng. & Inf., Sichuan Univ. Chengdu, Chengdu, China (Le Jiang; Jun-Yong Liu; Zhen-Bo Wei; Chen Chen) \|\| Res. & Technol. Centre, ALSTOM Grid, Stafford, UK (Masoud, B.; Wu-Xing Liang)
Abstract	“Xinjiang electricity sending outside” project as national energy security protection and solution for "natural electricity shortage" problem of the eastern and the central region in future is constructing step by step. Sichuan power grid as an adjacent network of Xinjiang, due to its abundant hydropower resource, has already become one of the largest outside sending scale provincial power grid and existed a structural contradictory problem of “redundancy in wet season and shortage in dry season", which contributes to Sichuan power grid with both power given and relay out duality between supply and demand. As an effective way to solve the problem above, “Sending Xinjiang electricity to Sichuan power grid" project has been included in the plan and in implementation. However the outstanding problems of Sichuan power grid is in being a comparative high level of short-circuit current in present, in order to ensure security and stability of the grid in future, how to limit the short-circuit current level has been the key issue of all. The most of existing methods of short-circuit current limiting was relatively single and some of limitation effect was not satisfied. So it was lack of proper guidance especial for Sichuan power grid which has a more complicated transmission way and voltage grade. Therefore basing on a brief introduction of the short-circuit current damages and its limiting measures at home and abroad, simulations about short-circuit current of Sichuan power grid before and after “”Xinjiang electricity sending outside" project implementation and comparative analysis about the effect of each main single limiting method were carried out in this paper. Then an integrated current limiting scheme suitable for Sichuan power grid development was putted forward. And validation of the scheme had been tested through simulation and analysis. The result showed that although the project would not improve the short-circuit level of Sichuan power grid, the scheme considering the developing plan and real situation was very necessary. And it also showed that the short-circuit current level decreased substantially and the high level current problem has been effectively controlled within the scheme. All of these had proved the validity of the scheme.
Starting Page	294
Ending Page	299
File Size	625577
Page Count	6
File Format	PDF
ISBN	9781479950324
DOI	10.1109/POWERCON.2014.6993617
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Short-circuit currents Power grids Substations Electricity Impedance Medium voltage Converters an integrated limiting scheme send Xinjiang electricity to Sichuan power grid short-circuit current limiting measure
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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