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Dynamic prediction on goaf surface subsidence for the last two periods based on the Erf time function

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Dynamic prediction on goaf surface subsidence for the last two periods based on the Erf time function

Lianwei REN et al · Editorial Office of Coal Geology & Exploration · 2026 · ISSN 1001-1986

BackgroundThe surface subsidence induced by coal seam mining represents a continuous dynamic evolution process. Constructing a full-time perdition model for surface subsidence in goafs holds significant theoretical and p...

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A new method of line loss measurement for renewable energy pooled booster power grid based on measurement data

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A new method of line loss measurement for renewable energy pooled booster power grid based on measurement data

REN Yanhui et al · Harbin Jinhe Electrical Measurement & Instrumentation Magazine Publishing Co., Ltd · 2026 · ISSN 1001-1390

As an important part of the novel power system, the renewable energy converging and boosting power grid has the phenomenon of cross and mutual supply, which leads to the inaccurate calculation of the existing line loss. ...

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