易事特(300376.SZ)取得3項發明專利證書
格隆匯 6 月 15日丨易事特(300376.SZ)公佈，公司近日取得中華人民共和國國家知識產權局頒發的發明專利證書3項。
發明專利《基於無刷雙饋電機的柴油發電系統及其控制方法》提出一種基於繞線轉子無刷雙饋發電機的高效節油柴油發電機組系統和控制技術。該項技術實現主軸轉速與發電輸出頻率完全解耦，使得確保輸出電壓頻率穩定的同時，通過改變工況運行策略的實施，大幅提升單位油耗的發電量。該項技術在柴光儲獨立發電站、船舶軸帶發電系統中得到了成功驗證。基於無刷雙饋電機的柴油發電系統將廣泛運用於多能源分佈式發電站、微電網建設。
發明專利《無刷雙饋電機轉速測量方法及系統》針對高壓大功率無刷雙饋電機轉速測量需求，提出一種基於機組自啟動用同軸同步發電機輸出電壓信號採樣的主軸轉速測量技術和方法，有效提高了高壓大功率無刷雙饋電機/發電機轉速反饋信號採樣的魯棒性以及實時控制的動態性能要求。該項技術在火電廠、油田多台10KV/630KW、380V/200KW無刷雙饋電機水泵變頻調速節能系統中得到成功驗證，系統可靠性高、抗惡劣環境能力強，將廣泛應用於高壓大功率無刷雙饋電機變頻調速節能系統產品中。
發明專利《單相PFC電路工頻紋波消除方法及PFC拓撲系統、充電樁系統》提出一種高頻整流器模型，參考自適應控制思路，通過瞬態功率檢測控制，通過有源方式抑制直流母線工頻紋波分量，有效減小濾波電容器容量，提升產品性能價格比。該項技術在電動汽車充電樁模塊中得到成功應用，可推廣應用於UPS電源、高壓直流電源等產品中。
上述發明專利技術屬於與多能源分佈式發電、微電網、機電工業節能、高頻UPS電源、充電樁等產品密切相關的關鍵核心技術，專利的取得不會對公司近期生產經營產生重大影響，但將對公司新興產業技術發展、核心競爭力提升產生重要影響，以及有利於公司知識產權保護體系建設與完善，鞏固公司在新興產業技術領域的領先地位。
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