Influence of induction motor load parameters on power system transient voltage stability .

感應(yīng)電動(dòng)機(jī)負(fù)荷參數(shù)對(duì)電力系統(tǒng)暫態(tài)電壓穩(wěn)定性的影響性爱一级。

Transient voltage stability is also studied using time domain simulation method.

采用時(shí)域仿真法對(duì)暫態(tài)電壓穩(wěn)定進(jìn)行了探索性的研究工作国产三级片尤物视频。

The model considers not only the cost for static voltage stability,but also that for transient voltage security .

通過(guò)滿足暫態(tài)電壓安全約束的無(wú)功發(fā)電調(diào)節(jié)與切負(fù)荷總代價(jià)最小化問(wèn)題色色色专区，來(lái)表示暫態(tài)電壓安全風(fēng)險(xiǎn)男女搞黄视频。

On the other hand, the energy growth of the plane standing wave is calculated according to the nonmodal stability theory. The phenomenon of energy transient growth is discovered.

通過(guò)非模態(tài)穩(wěn)定性理論，計(jì)算了表面電荷存在時(shí)平面駐波的能量增長(zhǎng)函數(shù)色色色色色色色色色色视频，發(fā)現(xiàn)了能量瞬時(shí)增長(zhǎng)現(xiàn)象阿v视频免费观看国产视99频。

When the transient fault take place, the transmission line will reclose successful, so the level of the security and stability of network will be improved.

當(dāng)故障為瞬時(shí)性故障時(shí)欧美一级a免费，線路重合成功，可大大提高系統(tǒng)的安全穩(wěn)定運(yùn)行水平久久久久久久91久久久。

The analysis indicates that STATCOM installed in the middle line can control furthest the transmittable power in the transmission line and enhance transient and steady state stability of power systems.

理論分析得出STATCOM安裝在線路的中間時(shí)三级黄视频一区二区三，其調(diào)節(jié)線路傳輸?shù)挠泄β首畲螅軌蚋玫靥岣呦到y(tǒng)的穩(wěn)定性日批视频网站免费看。

This compensation circuit can make the stability of the LDO linear regulator undependent on the effect of load capacitor's equivalent serial resistance, and it also makes the unit gain frequency bandwidth change slightly when the load is varying, thus greatly improving the performance of transient response, Furthermore, on the basis of dynamic frequency compensation, an overcurrent protection circuit is designed.

文章針對(duì)LDO穩(wěn)定性的問(wèn)題欧欧美一级α爰高清成在线看，提出了一種內(nèi)部動(dòng)態(tài)頻率補(bǔ)償電路，使LDO線性穩(wěn)壓器的穩(wěn)定性不受負(fù)載電容的等效串聯(lián)電阻的影響91p0rn九色丰满熟女，其單位增益帶寬也不隨負(fù)載電流變化而改變毛片基地在线观看视频，大大提高了瞬態(tài)響應(yīng)特性；采用Hynix 0.5μm CMOS工藝模型對(duì)電路進(jìn)行仿真直接观看黄色网站视频；此外亚洲国产精品一区二区在线播放，該電路在實(shí)現(xiàn)動(dòng)態(tài)頻率補(bǔ)償?shù)幕A(chǔ)上又加入了系統(tǒng)的過(guò)流保護(hù)功能，當(dāng)負(fù)載電流大于限制電流時(shí)欧美作爱牲交a，LDO不能正常工作；當(dāng)負(fù)載電流小于限制電流時(shí)欧美一极片，又自動(dòng)恢復(fù)到正常工作狀態(tài)国产激情久久久久影院。

By means of simulation the capacity of the SVC is decided while following factors, such as restraining transient voltage fluctuation of converter bus, increasing the capacity of sectionalized banks of AC filter/capacitor and improving the stability of both AC and HVDC systems at China side, are taken into account.

從抑制換流母線暫態(tài)電壓波動(dòng)、提高交流濾波器/電容器分組容量及提高換流站中國(guó)側(cè)交直流系統(tǒng)穩(wěn)定性的角度考慮色色五月天天色，通過(guò)仿真確定了換流站裝設(shè)SVC的容量免费涩网站。

After the analysis and the comparison, the intelligent controller which this article designed may avoid excessive greatly and undulates greatly of temperature which controls, the transient process time was shorter than the traditional PID controller, the system has the strong stability and the high robustness, the simulation result has also proven this point.

分析比較的結(jié)果表明，本文所設(shè)計(jì)的智能控制器可避免被控溫度的較大超調(diào)和較大波動(dòng)中国乱伦视频，過(guò)渡過(guò)程的時(shí)間少于傳統(tǒng)PID控制器夜色亚洲精品站，系統(tǒng)具有較強(qiáng)的穩(wěn)定性和較高的魯棒性。

It is not enough to resolve all of the problems related to the hydraulic stability only to analyze the stable field in passing components. Finally, the paper numerically simulated the transient field in prototype's draft tube under different operating conditions by means of Reynolds stress turbulence model and analyzed the law of motion of vortex rope as well as the performance of low-frequency pressure pulsation and compared with field test results.

僅僅對(duì)機(jī)組的過(guò)流部件進(jìn)行穩(wěn)定場(chǎng)的CFD數(shù)值分析還不足以解決所有與水輪機(jī)水力穩(wěn)定性有關(guān)的問(wèn)題色极品A片，因此在本論文的最后久久96精品久久久久久，采用雷諾應(yīng)力湍流模型對(duì)真機(jī)尾水管在不同運(yùn)行工況下進(jìn)行了非穩(wěn)定場(chǎng)的CFD數(shù)值解析，分析渦帶的運(yùn)動(dòng)規(guī)律及其產(chǎn)生的低頻壓力脈動(dòng)特性白浆网站，并與真機(jī)的試驗(yàn)結(jié)果進(jìn)行了比較欧美性交网站大全，結(jié)果比較吻合。