| 1. | Discussion of several analytical approaches and tools about subsynchronous resonance
几种次同步振荡分析方法和工具的阐述
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| 2. | These models have enough precision in subsynchronous oscillation ( sso ) problem analysis
这种模型对于分析次同步振荡( sso )问题，具有足够的精度。
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| 3. | Subsynchronous resonance ( ssr ) is a quite hazardous state easily encountered in power systems
次同步振荡( ssr )是电力系统运行中可能出现的一种相当危险的状态。
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| 4. | The theory of complex - moment - coefficient method is provided due to ssr , and the relationship between complex - moment - coefficient d ( m ) and subsynchronous frequency is also illustrated
在ssr研究中，主要阐释了复数力矩系数法研究的机理，探讨了复力矩系数d ~ ( ( m ) )与次同步频率的关系。
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| 5. | 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
并通过对含有多个直流换流站系统的电气阻尼特性分析，验证了该指标的有效性。
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| 6. | 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 )对一个仅含有直流输电线路的系统，采用复转矩系数- - - -测试信号法，对其次同步振荡特性进行了分析。
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| 7. | 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，直流输电技术已经在我国得到了广泛的应用，并且在今后的几十年中，直流输电在我国还将有更为广阔的应用前景。
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| 8. | Then the different behaviors between fixed series capacitor and tcsc are compared aiming at ssr , when they are individually applied to typical model of ieee second benchmark on subsynchronous resonance
继而以ieeesecondbenchmarkonsubsynchronousresonance典型模型为例，比较了固定电容串补与可控串联补偿在模型系统中针对同步发电机次同步振荡这一行为所造成的差异表现。
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| 9. | This paper studies two tcsc study systems , a tcsc system based on ieee first benchmark model ( ieee fbm ) and a simplified yi - feng 500kv tcsc study system , with ssr eigenvalue analysis in the platform of psaspfmsst . it proves the funtion of tcsc to mitigate subsynchronous resonance ( ssr ) . it also analyzes the influence of thyristor triggering algorithm of tcsc on ssr mitigation
本文在psasp小干扰线性化平台psasp msst上，对基于ieeefirstbenchmarkmodel ( ieeefbm )的tcsc系统及简化的伊冯500kv可控串补研究系统，进行了ssr小干扰稳定分析，验证了tcsc对次同步谐振（ ssr ）的抑制作用，并研究了触发算法对tcsc抑制ssr能力的影响。
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| 10. | 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
高压直流输电( high - voltage - direct - current - - - - hvdc )系统与临近同步发电机组之间存在着扭振相互作用， hvdc的电气负阻尼作用有可能引起机组在次同步频率范围的扭转振荡。
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