subsynchronous oscillation造句
例句與造句
- these models have enough precision in subsynchronous oscillation ( sso ) problem analysis
這種模型對(duì)于分析次同步振蕩(sso)問(wèn)題，具有足夠的精度。 - in an ac system with multiple hvdc converters, turbine generators can interact adversely with all the converters through electrical connection, which makes the subsynchronous oscillation more complicated
并通過(guò)對(duì)含有多個(gè)直流換流站系統(tǒng)的電氣阻尼特性分析，驗(yàn)證了該指標(biāo)的有效性。 - this simplification principle is the foundation of the following analysis . using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed
(3)對(duì)一個(gè)僅含有直流輸電線路的系統(tǒng)，采用復(fù)轉(zhuǎn)矩系數(shù)----測(cè)試信號(hào)法，對(duì)其次同步振蕩特性進(jìn)行了分析。 - from the viewpoint of electrical damping, this dissertation focus on the damping analysis of subsynchronous oscillation for different systems, such as hvdc system, hybrid ac / dc system and multiple-converter hvdc system
目前，直流輸電技術(shù)已經(jīng)在我國(guó)得到了廣泛的應(yīng)用，并且在今后的幾十年中，直流輸電在我國(guó)還將有更為廣闊的應(yīng)用前景。 - torsional interaction exists between hvdc converters and turbine-generators, and negative electrical damping provided by hvdc may cause subsynchronous oscillation ( sso ) that can lead to turbine-generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency
高壓直流輸電(high-voltage-direct-current----hvdc)系統(tǒng)與臨近同步發(fā)電機(jī)組之間存在著扭振相互作用，hvdc的電氣負(fù)阻尼作用有可能引起機(jī)組在次同步頻率范圍的扭轉(zhuǎn)振蕩。 - It's difficult to find subsynchronous oscillation in a sentence. 用subsynchronous oscillation造句挺難的
- some practical method to lifting the rated capacity of vsc-hvdc is discussed . ( 4 ) the subsynchronous oscillation ( sso ) characteristics of a synchronous machine connected to a static var compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of svcs to avoid sso problem
(4)基于時(shí)域仿真實(shí)現(xiàn)的復(fù)轉(zhuǎn)矩系數(shù)法，對(duì)與靜止無(wú)功補(bǔ)償器svc相聯(lián)接的同步發(fā)電機(jī)組的次同步振蕩(sso)特性進(jìn)行了深入的研究，得出了一些重要結(jié)論，可為svc的設(shè)計(jì)和運(yùn)行提供避免sso的依據(jù)。 - on the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk . based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel
研究表明，系統(tǒng)整流站附近的同步發(fā)電機(jī)組要承受電氣負(fù)阻尼作用，因此有可能引起機(jī)組低頻扭轉(zhuǎn)振蕩模式失穩(wěn)；而hvdc的逆變站向其臨近同步發(fā)電機(jī)組提供正阻尼，因而機(jī)組不存在次同步振蕩危險(xiǎn)。 - all these changes, which are of importance to subsynchronous oscillation analysis, cannot be described with the quasi steady state ( qss ) model any more . therefore, the deficiency of qss-model-based eigenvalue method is pointed out and a novel method named complex torque coefficient-test signal method is adopted to analyze the subsynchronous oscillation caused by hvdc or facts devices
基于此，指出了采用準(zhǔn)穩(wěn)態(tài)模型進(jìn)行hvdc系統(tǒng)次同步振蕩分析的局限性，并引入了分析hvdc或含有facts裝置的系統(tǒng)次同步振蕩問(wèn)題的方法：復(fù)轉(zhuǎn)矩系數(shù)----測(cè)試信號(hào)法。 - all these changes, which are of importance to subsynchronous oscillation analysis, cannot be described with the quasi steady state ( qss ) model any more . therefore, the deficiency of qss-model-based eigenvalue method is pointed out and a novel method named complex torque coefficient-test signal method is adopted to analyze the subsynchronous oscillation caused by hvdc or facts devices
基于此，指出了采用準(zhǔn)穩(wěn)態(tài)模型進(jìn)行hvdc系統(tǒng)次同步振蕩分析的局限性，并引入了分析hvdc或含有facts裝置的系統(tǒng)次同步振蕩問(wèn)題的方法：復(fù)轉(zhuǎn)矩系數(shù)----測(cè)試信號(hào)法。 - the electrical damping within the whole subsynchronous frequency range is calculated . the impacts of the unit interaction factor between hvdc and turbine generator, the dc power level, the firing delay angle and the parameter settings of hvdc controller on the have the potential danger of subsynchronous oscillation
在整個(gè)次同步頻率范圍內(nèi)，計(jì)算得到了系統(tǒng)電氣阻尼，并詳盡地分析了同步發(fā)電機(jī)與hvdc的耦合程度、直流輸送功率水平，換流閥觸發(fā)角大小以及控制器參數(shù)等因素對(duì)系統(tǒng)電氣阻尼的影響。 - the characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease . in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line . when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different
其中，并列運(yùn)行的無(wú)串補(bǔ)交流輸電線路可以緩解hvdc與其臨近機(jī)組之間的機(jī)電耦合程度，改善hvdc的電氣負(fù)阻尼特性，從浙江大學(xué)博士學(xué)位論文摘要而減輕機(jī)組發(fā)生次同步振蕩的危險(xiǎn)性，此時(shí)系統(tǒng)的整體電氣阻尼特性由hvdc的性質(zhì)決定;但若交流線路中存在串聯(lián)補(bǔ)償電容，則系統(tǒng)幅值較大的電氣負(fù)阻尼不僅可能使整流站機(jī)組發(fā)生次同步振蕩，逆變站附近機(jī)組同樣存在發(fā)生次同步振蕩的可能性，此時(shí)系統(tǒng)的整體阻尼特性由串聯(lián)補(bǔ)償電容的性質(zhì)決定。