Strengthening Auxiliary Strategy of Provincial High-Voltage Power Grid in Response to Severe Natural Disasters

Chenxiao MA; Zemei DAI; Chaofan HU; Yuchun LUO; Yi WANG; Xiaocong ZHANG; Xin SHAN

doi:10.12204/j.issn.1000-7229.2022.06.013

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Electric Power Construction ›› 2022, Vol. 43 ›› Issue (6) : 119-127. DOI: 10.12204/j.issn.1000-7229.2022.06.013

Smart Grid

Strengthening Auxiliary Strategy of Provincial High-Voltage Power Grid in Response to Severe Natural Disasters

Chenxiao MA ¹^,² ,
Zemei DAI ¹^,²^,³ ,
Chaofan HU ⁴ ,
Yuchun LUO ¹^,²^,³ ,
Yi WANG ¹^,²^,³ ,
Xiaocong ZHANG ⁵ ,
Xin SHAN ¹^,²^,³

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Abstract

Extreme natural disasters such as typhoons and earthquakes will easily destroy operating equipment and leading to large-scale fault of the power grid and power outages, so there is an urgent need for effective measures to assist the dispatching of complex power grid in order to prevent and deal with the faults caused by disasters. In this paper, the current coordinated control technology of generation-grid-load three sides after the fault of the high-voltage grid is introduced. In addition, according to the calculation of connectivity of weak links between and in stations, the resilient power grid construction technology which include network strengthening strategies for the hot standby lines operation and the bus tie switches closing with their technical implementation methods are proposed in detail. Finally, case studies on the high-voltage grid model of A province power grid prove that the strategy can effectively reduce the loss of power grid fault and provide reasonable auxiliary decision-making for power grid dispatching work.

Key words

network strengthening / hierarchical database (HIDB) / high-voltage power grid / fault prevention

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Chenxiao MA , Zemei DAI , Chaofan HU , et al . Strengthening Auxiliary Strategy of Provincial High-Voltage Power Grid in Response to Severe Natural Disasters[J]. Electric Power Construction. 2022, 43(6): 119-127 https://doi.org/10.12204/j.issn.1000-7229.2022.06.013

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