1) steady-state/ transient voltage fluctuation
稳态/暂态电压波动
2) Transient voltage stability
暂态电压稳定
1.
Analysis of transient voltage stability based on a novel transient stability index;
基于稳定裕度指标的暂态电压稳定分析
2.
Transient Voltage Stability Analysis for South China Electric Power Grid;
南方电网暂态电压稳定分析研究
3.
Measures to enhance transient voltage stability of grid-connected wind farm based on variable speed wind turbines equipped with doubly fed induction generator (DFIG) are presented to implement low voltage ride through (LVRT) characteristic.
提出了改善基于双馈感应发电机的并网风电场暂态电压稳定性的措施以实现风电场的低电压穿越(low voltage ride through,LVRT)功能。
3) transient voltage stability
暂态电压稳定性
1.
Influences of asynchronous machine on the transient voltage stability of power system are simulated and analyzed by setting large disturbances and time domain simulation.
运用MATLAB电力系统仿真模块集SimPowerSystems构建了单负荷—无穷大系统和三机—十节点系统的Simulink模型,通过在系统模型中设置大扰动事件并进行时域仿真,分析了异步电动机负荷对系统暂态电压稳定性的影响;并以单负荷—无穷大系统为例,对故障切除时间、电动机惯性时间常数及无功补偿设备(机械投切电容器MSC和静止无功补偿器SVC)对暂态电压稳定性的影响进行了仿真分析。
2.
The simulation of a single machine infinite bus system containing wind farm is conducted by which the contribution of STATCOM to transient voltage stability of wind farm is validated.
提出了恒速异步风电机组和静止同步补偿器的数学模型,使用Matlab中的动态仿真工具Simulink建立了静止同步补偿器的控制模型,以包含风电场的单机无穷大电力系统为例进行了仿真计算,验证了静止同步补偿器对风电场暂态电压稳定性的贡献。
3.
Larger effect of three-phase re-closure sequence on system\'s transient voltage stability when re-closing to permanent disturbance is discovered.
发现合于永久故障时三相重合闸时序对系统暂态电压稳定性有较大影响,以单负荷无穷大系统为例探讨其机理。
4) transient voltage
暂态电压
1.
Research on a fault phase selection algorithm based on fault transient voltage;
基于故障暂态电压的故障选相算法的研究
2.
The traditional simulating calculation of transient voltage distribution in the power transformer windings is a subject about which many papers have been written,but results of them need program.
传统对电力变压器绕组中暂态电压分布的仿真计算有多种,但均需编程计算而得,为此提出了一种适用于PSpice仿真的电力变压器绕组中暂态电压分布的电路模型,并对该变压器雷电过电压时的暂态电压分布及正常运行电压分布进行了仿真,结果表明该模型可表达绕组暂态时的表现,且大大简化了计算过程。
3.
The system has the character of simple structure,excellent performanee and stability,and can be used for the measurement of different transient voltage in power system.
作者研究了一种采用电容式探头直接测量带电体表面电场强度以实现电压测量的测量系统,该系统的特点是结构简单、测量性能优良、稳定性好,可用于电力系统各种暂态电压的测量。
5) transient voltage fluctuation
暂态电压扰动
1.
Monitoring of transient voltage fluctuation is a problem concerned in power quality improving.
电网暂态电压扰动信号的监测是关系到电能质量改善的首要问题。
补充资料：稳态
稳态
磁共振成像术语。磁共振成像中，经射频脉冲激励后的弛豫过程中使横向平面(Mxy)有残余矢量存在的状态。一般使用非常短的重复时间(TR)(22～50ms)，使TR短于组织的T1和T2值时，可使横向磁化矢量没有足够的时间去相。这样T2值比TR长的组织在横向即存有磁化矢量，藉之可形成组织间对比。这种技术常用于快速梯度回波成像。如SSFP(GE)，CE-FAST(Picker)，FISP(Siemens)等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条