摘要：新技術在我國電網工程建設實踐中不斷得到推廣應用，應用經濟效益成為其推廣應用范圍和力度的主要依據，構建科學、合理的應用經濟效益評估體系因而具有重要的現實需求和理論研究價值?；谠碚搶Φ湫碗娋W工程項目的有關人員進行半結構化專家訪談，篩選并凝練出支撐電網工程新技術推廣應用的經濟效益評估結構維度及其作用模型，從“工程技術投入-工程技術應用經濟效益-企業經營效益-社會經濟效益”4個方面闡釋了理論模型；構建一套包括4個一級指標、6個二級指標和11個三級指標的評估體系。最后，選取典型案例進行驗證分析，為電網工程建設新技術應用經濟效益評估提供參考。

關鍵詞：扎根理論；電網工程；技術經濟效益評估；結構維度；指標體系

Abstract：New technologies have been continuously promoted and applied in China’s power grid engineering construction practice. The economic benefits of application have also become the main basis for its scope and strength. Building a scientific and reasonable application economic benefit evaluation system therefore has important realistic needs and theoretical research value. Based on the grounded theory，the paper conducts semi-structured expert interviews with relevant personnel of typical power grid engineering projects，screens and refines the structural dimensions and function models supporting the economic benefits evaluation of application of new technologies for power grid engineering. Explains the theoretical model in four aspects of“technology input-economic benefit of technology application-business operation benefit-social economic benefit”，builds a set of evaluation systems including 4 first-level indicators，6 second-level indicators and 11 third-level indicators. Finally，selects typical cases for verification and analysis，and provides a reference for the economic benefit evaluation of new technology applications in power grid construction.

Keywords：grounded theory；power grid engineering；evaluation of technical and economic benefits；structural dimension；index system

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