NDLI: Comprehensive decision-making of power grid DC de-icing plan based on equivalent net-ability method

Content Provider	IEEE Xplore Digital Library
Author	Chen Liang Fu Chuang Li Xing-Yuan
Copyright Year	2014
Description	Author affiliation: Electr. Eng. Dept., Sichuan Univ., Chengdu, China (Li Xing-Yuan) \|\| Sichuan Univ., Chengdu, China (Chen Liang) \|\| Electr. Power Res. Inst., China Southern Power Grid Co. Ltd., Guangzhou, China (Fu Chuang)
Abstract	When the power grid suffers a wide range of freezing disasters, how to make a reasonable DC de-icing plan of transmission line became a urgent problem for the dispatchers. For the reason the DC de-icing ranking evaluating indicator of transmission line and the comprehensive index on net-ability drop are proposed to develop the power grid DC de-icing plan. The DC de-icing ranking evaluating indicator of transmission line is proposed to distinguish DC de-icing urgency of transmission lines. The importance of transmission line, the current rate of icing-coating and the predicted rate of icing-coating are the three attribute factors of the evaluating indicator, the weights of which are determined by the method of weighted average combinative evaluation. The comprehensive index on net-ability drop is used to reflect the system security. The transmission line DC de-icing group which would pose a serious threat to system security will not appear if planning the power grid DC de-icing plan based on the proposed equivalent net-ability method. DC de-icing comprehensive decision-making method of power grid is proposed with overall consideration of the emergence of transmission line DC de-icing and the power system security, the effectiveness and feasibility of which are demonstrated by the example of Guizhou power grid. The DC de-icing comprehensive decision-making method of power grid would be a good reference for the dispatcher to make DC de-icing plan g.
Starting Page	491
Ending Page	498
File Size	810554
Page Count	8
File Format	PDF
ISBN	9781479950324
DOI	10.1109/POWERCON.2014.6993724
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	Power transmission lines Power grids Decision making Indexes Security Ice DC de-icing comprehensive decision-making method of power grid DC de-icing plan the comprehensive index on net-ability drop DC de-icing urgency power system security
Content Type	Text
Resource Type	Article

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