The broken-line closing law of reversible pump-turbine usually used in pumped storage plants is analyzed and discussed.
評(píng)述了目前抽水蓄能可逆機(jī)組常用的分段折線關(guān)閉規(guī)律 ;針對(duì)可逆機(jī)組獨(dú)特的過流特性 ,設(shè)計(jì)了具有延時(shí)段的三段折線關(guān)閉規(guī)律 ,在減少總關(guān)閉時(shí)間的同時(shí) ,有效的降低了抽水蓄能可逆機(jī)組由于導(dǎo)葉關(guān)閉與機(jī)組轉(zhuǎn)速上升聯(lián)合作用引起的水錘壓力 ;介紹了考慮轉(zhuǎn)速信號(hào)反饋的可逆機(jī)組導(dǎo)葉關(guān)機(jī)規(guī)律 ;為抽水蓄能可逆機(jī)組的事故緊急關(guān)機(jī)規(guī)律的設(shè)計(jì)提供了一種新思路。
Study on the Variety of Characteristic Curve and Its Effect on Hydraulic Transient Process in Pumped Storage Plant;
不同比轉(zhuǎn)速可逆式機(jī)組特性曲線變化規(guī)律及其對(duì)過渡過程影響的研究
Discussion on the Control of Reversible Pumped-storage Unit Starting in Back-to-back Mode
可逆式抽水蓄能機(jī)組背靠背啟動(dòng)過程控制探討
non-reversible engine
不可逆轉(zhuǎn)式發(fā)動(dòng)機(jī)不能逆轉(zhuǎn)發(fā)動(dòng)機(jī)
universal reversing roughing mill
萬能可逆式粗軋機(jī)座
four-high non-reversing cold rolling mill
不可逆式四輥冷軋機(jī)
four high reversing cold strip mill
四輥可逆式帶材冷軋機(jī)
two-high reversing-plate mill
二輥可逆式中厚板軋機(jī)
two-high reversing beam mill
二輥可逆式鋼梁軋機(jī)
The research of 3kW permanent-magnet inverter for mini-type diesel generating set
3kW永磁逆變式柴油發(fā)電機(jī)組研制
Introduction of 950mm 6-high Reversing Cold Rolling Mill
國(guó)產(chǎn)950mm六輥可逆冷軋機(jī)組介紹
Analysis of Heat Transfer Irreversible Regenerated Brayton Refrigerator
傳熱不可逆回?zé)崾讲祭最D制冷機(jī)分析
Study on the Strength of the R2 Reversible Mill's Main Drive System;
R2可逆式軋機(jī)主傳動(dòng)系統(tǒng)強(qiáng)度分析
Application of PROFIBUS in the 900mm Six-Roller Reversing Cold Mill
PROFIBUS在900mm六輥可逆式冷軋機(jī)上的應(yīng)用
Interaction between a reversible engine( A) and a reversible ideal gas Carnot cycle( B).( Illustration courtesy of OCW.
可逆熱機(jī)()理想氣體可逆卡諾循環(huán)()相互作用。（片由開放式課程提供。
Study of Thickness Control Strategy for Single Stand Reversible Cold Rolling Mill;
單機(jī)架可逆式冷軋機(jī)板厚控制策略研究
On the Intrinsic Property of the Irreversible Process;
不可逆過程的兩個(gè)基本特征——自組織和隨機(jī)性
Installation Process Probe of Large-scale Flow-mixing Reversible Pump-turbine
大型混流可逆式水泵水輪機(jī)安裝工藝探討
The Research on Reversible Pop-up Engine Hood for Pedestrian Protection
有利于行人保護(hù)的可逆抬升式發(fā)動(dòng)機(jī)罩研究