摘要:本篇畢業設計主要是對某壩后式電站電氣部分的設計，包括主接線方案的設計，主要設備選擇，短路電流計算，電氣一次設備的選擇計算。通過對水電站的主接線設計，主接線方案論證，短路電流計算，電氣設備動、主要電氣設備型號及參數的確定，較為細致地完成電力系統中水電站設計。

　　　限于畢業設計的具體要求和設計時間的限制，本畢業設計主要完成了對壩后式水電站電氣主接線設計及論證，短路電流計算，電氣一次設備的選擇計算，電氣設備動、熱穩定校驗、電氣設備型號及參數的確定做了較為詳細的理論設計。

關鍵詞：電氣主接線；短路電流；電氣一次設備；

ABSTRACT:This graduation project mainly is to some Bahou-river Bahou-river hydroelectric power station electricity part design, including host wiring plan design, main equipment choice, short-circuit current computation, an electrical equipment choice computation Through the adding water power plant main wiring design, the main wiring project concept demonstration, the short-circuit current computation, the electrical equipment moves, the heat-stable verification, the main electrical equipment model and the parameter determination, completes in carefully the electrical power system the Bahou-river hydroelectric power station design.

　　　Is restricted in the graduation project the specific request and the design time limit, this graduation project has mainly completed the adding water power plant electricity host wiring design and the proof, the short-circuit current computation, an electrical equipment choice computation, the electrical equipment moves, the heat-stable verification, the electrical equipment model and the parameter has indeed made to order the more detailed theoretical design.

Keywords: Electrical main wiring; Short-circuit current; An electrical equipment