瞬時負荷 的英文怎麼說
中文拼音 [shùnshífùhé]
瞬時負荷
英文
instantaneous load-
Protective devices in the on - site power source circuits at the generator shall allow instantaneous pick - up of the full pump room load
發電機現場電源電路中的保護裝置應能瞬時獲得全泵房負荷？The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。Validate system load flow and fault models using instantaneous voltage angles. use system - state measurements to increase stable system loading through reduced margin requirements
批準電力潮流和故障類型使用瞬時電壓角度.通過縮減利潤需求，使用系統狀態測量以增加穩定的系統負荷The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method
文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算，得到渦帶工況下葉片表面不同時刻的水壓力載荷，並利用流固耦合方法對轉輪進行結構場瞬態特性計算，分析轉輪葉片的動應力特性。In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal
得出了虛擬其斷水故障模擬的瞬態溫度曲線結果，並對其進行了分析和探討；同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬，得出了其在斷油情況下和超負荷運轉情況下的分析結果。This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes
在研究小波動情形時，即系統在穩定工作工況點附近小瞬變時，可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型，推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗，整定了最佳調節參數;通過動態比較，分析了調節系統參數改變對其動態性能的影響。Furthermore, we determined the time - to - failure for 70 / 30 ? pldlla cages subjected to loads well below their instantaneous mechanical strength
此外，我們確定了70 / 30聚左旋/消旋乳酸融合器在低於瞬時強度負荷下的衰竭時間。The main product instant no power but automatic compensating controlling device is especially applicable to the places, where the instant charge changes acutely and continually, and this product has got state patent and the quality and technical indexes are one - up level of our country in the same products, and it has been recognized as energy - economizing product by china energy - economizing association and it has won the award of excellent technological product of international technology management association and it has been added to 1 net of china petroleum energy
主要產品瞬時無功功率自動補償控制裝置，特別適用於瞬時負荷變化大而頻繁的用電場所，該產品已獲國家專利，在同類產品中質量及技術指標處于國內領先水平，被中國節能協會認證為「節能適用產品」 ，榮獲國際科技管理協會「優秀科技產品」獎，已加入中國石油能源一號網。Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 10a moment current output : 10a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself
功能特性：交流輸入：標準ac220v 50hz直流輸出：空載輸出dc12 . 4v 13 . 63v負載輸出dc12v 13v標準輸出電流10a瞬間輸出電流10a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。設nc no輸出，可控制各種類型的電鎖。設延時控制電路，開鎖時間可在0 10秒。Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 2. 5a moment current output : 2. 5a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself
功能特性：交流輸入：標準ac220v 50hz直流輸出：空載輸出dc12 . 4v 13 . 63v負載輸出dc12v 13v標準輸出電流2 . 5a瞬間輸出電流2 . 5a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。設nc no輸出，可控制各種類型的電鎖。設延時控制電路，開鎖時間可在0 10秒。Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 5a moment current output : 5a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself
功能特性：交流輸入：標準ac220v 50hz直流輸出：空載輸出dc12 . 4v 13 . 63v負載輸出dc12v 13v標準輸出電流5a瞬間輸出電流5a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。設nc no輸出，可控制各種類型的電鎖。設延時控制電路，開鎖時間可在0 10秒。分享友人