作者:王 健(安徽淮南平圩發電有限責任公司,安徽 淮南 232089)
王 鑫(安徽吉電新能源有限公司,安徽 合肥 232000)
姚志春(安徽淮南平圩發電有限責任公司,安徽 淮南 232089)
摘要:平圩三期2×1000MW擴建工程(以下簡稱:本工程)發電機升壓變壓器采用27kV直升電壓至1000kV特高壓接入系統,這一升壓方式在全國乃至世界尚屬首例。本文對本工程項目背景、來源及其重要意義予以說明,重點對1000kV發電機變壓器的設計難點、結構特點、技術參數及應用運行情況等方面進行了介紹,并提出相關建議。該方案的實施,為今后1000kV特高壓類似電廠項目建設起到了積極的示范作用。
關鍵詞:1000kV特高壓;皖電東送;發電機升壓變壓器;單相四柱式;雙器身結構
Abstract: In Pingwei III phase 2×1000MW extension project (hereinafter referred to as "the project"), the generator step-up transformer (hereinafter referred to as "the main transformer") directly transforms the generator output 27kV to 1000kV Ultra-high voltage (UHV) power grid, which is the first step-up mode in China and even in the world.In this paper, we describe the background, source and significance of the project focusing on the technology roadmap, design difficulties and structural features in 1000KV generator-transformer. And we put forward relevant suggestions. The implementation of the scheme has played a positive role model for future similar plants 1000kV UHV
system project.
Key words: 1000kV UHV; Anhui province power transfer to east; Generator booster transformer; Single-phase four column; Double body structure
摘自《自動化博覽》2020年2月刊