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- With the development of power industry and the rise of voltage class, more and more gas insulated substations (GIS) are used in modern power systems. 隨著我國電力工業的高速發展和電壓等級的不斷提高,氣體絕緣變電站(GIS)在我國電力系統中的應用越來越廣泛。
- To derive the Bernoulli equation, we apply the work-energy theory to the fluid in a section of a flow tube. 我們應用功能原理來導出流體在一段流管流動的伯努利方程。
- Yin Xiaofang, Yu Li, Liu Guangwei.Overvoltage from gas insulated switchgear disconnector[J].Proceedings of the CSEE, 2002, 22(7):111-114. [1]尹曉芳;於力;劉廣維.;封閉式組合電器隔離開關產生的過電壓[J]
- Compared with Air Insulated Substation (AIS), Gas Insulated Substation (GIS) has many merits, so it has been applied widely in the world. 氣體絕緣變電站(GIS)由於其與空氣絕緣變電站相比(AIS)有諸多優點,在世界各地的應用越來越廣泛。
- An experimental model is performed in Lab to find the ultra-high frequency (UHF) features of the partial discharges (PDs) signals in Gas Insulated Substations (GIS). 本論文的工作是利用超高頻(UHF)法研究GIS試驗模型中局部放電的特徵。
- Kit consists of: Seat, Stem assembly, Spring, Two piston o-rings, Flow tube O-rings and Cover O-ring. 組件包括:閥座,閥桿總成,彈簧,兩個活塞O形環,流量管O形環和閥蓋O形環。
- Gas Insulated Switchgears is a kind of distributing equipment, also called Gas Insulated Substation.Due to its predominant performance, GIS is applied to power system widely. 氣體絕緣組合電器(GIS)自問世以來,由於其優越的性能,在電力系統得到廣泛的應用。
- The Dall flow tube is an empirical design with an extremely high pressure head recovery. Dall流量管是具有特別高的壓頭補償的實驗裝置。
- The paper analyzes the gas insulated switchgears(GIS) anti-maloperation system of the jiuli 220 kV substation,points out the shortcomings,proposes anti-maloperation measures. 對事故原因和誤操作原因進行了分析,提出了要嚴格執行"取證上崗"制度、努力實現系統本質安全等防範誤操作的措施。
- Wilson K H,Waldir P M,Jose G F R,et al.Multifunctional Entry Method and Device for Downward Flow Tube Reactor[P].US Pat.:20030194 360A1,2003-10-16. 楊艷輝;鄧任生;魏飛;等.;氣固併流下行床反應器出入口結構研究現狀與展望[J]
- Kit consists of: Diaphragm, Two discs, Two molded disc assemblies, Two seat O-rings, RV O-ring, Two piston O-rings, RV stem O-ring, Flow tube O-rings and Cover O-ring. 組件包括:隔膜,兩個閥瓣,兩個模製閥瓣總成,兩個閥座O形環,RV O形環,兩個活塞O形環,RV閥桿O形環,流量管O形環和閥蓋O形環。
- SMVS mainly engages in developing and manufacturing medium voltage vacuum interrupters (VI), vacuum circuit breakers (VCB) and gas insulated switchgear (GIS) as well as after sales services in China. 公司在中國主要從事陶瓷真空滅弧室、真空斷路器、氣體絕緣開關櫃及相關產品的開發、製造、市場銷售及技術售後服務。
- ABB will replace an existing outdoor 275 kilovolt (kV) substation now nearing the end of its service-life with an indoor substation based on compact, state-of-the-art, gas insulated switchgear (GIS). ABB將用基於體積較小的頂級的氣體絕緣接電開關裝置(GIS)的室內變電站替換現有的服務年限將到的室外275千伏特的變電站。
- The company mainly engages in development and manufacturing of medium voltage vacuum interrupters, vacuum circuit breakers (VCB) and gas insulated switchgear (GIS) as well as after sales services. 公司位於江蘇省無錫高新技術產業開發區內,主要從事中高壓陶瓷真空開關管,固封式真空斷路器,氣體絕緣開關設備及其相關產品的開發、製造、市場銷售和售後服務,致力於中國的電力工業。
- The application of gas insulated substation(GIS) has expended year by year, Harm of the very fast transient voltages (VFTO) caused during disconnecting switches (DS) operation becomes more obvious. 隨著超高壓氣體絕緣變電站(GIS)的廣泛使用,由隔離開關(DS)操作引起的快速暫態過電壓(VFTO)的危害更加明顯。
- The critical length of the powder flow tube for the equal dliameter nozzle is determined by Mach Number check method and factors affecting the clogging of powder flow discussed by calculation of the numerical values. 採用馬赫數檢驗法確定等直徑管中氣粉流的臨界管長,並通過數值計算結果討論各種因素對氣粉流壅塞現象的影響。
- It is relevant to point out that, of the gases examined to date, SF6 has probably the most attractive overall dielectric and arc quenching properties for gas insulated high voltage systems. 可以指出,目前為止研究的氣體當中,SF6或許具備最全面的介電性能,並在氣體絕緣材料的高電壓系統中有最強的滅弧性能。
- Structure of Weir and Dem with Guiding Flow Tube 導流管擋渣牆結構
- cubicle gas insulated switchgear(C-GIS) 框式氣體絕緣金屬封閉開關設備
- Other primary differential-producing devices such as flow tubes or wedge elements may be employed for specific process requirements. These shall be approved by SECCO. 其它主要的差壓式設備如流量管或楔型元件可以用於特殊的工藝要求。這必須經賽科批准。