Put forward the conception of steady voltage and transient voltage stability control of wind power plants.
提出风电场稳态电压和暂态电压稳定性控制的概念。
Introduces the saturation function into controller, reduces the wide-range switch of control gain, ensures the stability of stator voltage.
在控制器中引入了饱和函数,降低了控制增益的大幅切换,保证了定子电压的稳定性。
The simulating studies indicate the proposed excitation controller can improve the accuracy of voltage control and strengthen the stability of electric power systems.
仿真研究表明:所论模糊励磁控制器可以提高发电机的电压控制精度和电力系统的稳定性。
Simulations show that it can provide realtime monitoring and control of voltage stability.
算例表明用该方法可以进行电压稳定的实时监测和控制。
The analysis indicated that SVC control could delay saddle-node bifurcation point and enhance voltage stability greatly.
研究表明SVC控制可以延迟系统鞍结分岔点,大大提高系统电压稳定性。
Voltage control and reactive power optimization are effective means to increase rate of qualified voltage, reduce grid losses, and improve the system stability.
电网的电压控制和无功优化是提高电压合格率,降低网损,提高系统稳定性的有效手段。
Numerical examples prove that adequate inactive power compensate and DC control model can improve voltage stability.
实例计算表明,换流站合适的无功补偿及直流控制方式有利于电压稳定。
Then, it can be better to control excitation current real-timely and raise the stability of generator voltage that excitation current is measured.
而对励磁电流的检测则是能够更好的实现励磁电流的实时控制,提高机端电压的稳定。
This paper studies a new approach, secondary voltage control, to improve voltage stability.
研究了一种新的提高系统电压稳定性的方法——二次电压控制。
This paper describes the application of sensitivity of the loading margin with respect to parameter on preventive control for voltage stability.
提出了应用系统控制参数与系统负荷裕度之间的灵敏度关系及对电力系统电压稳定进行预防控制的方法。
It provides a new feasible Scheme for power sys-tem in the Stability of power Angle and the Voltage Control.
为解决电力系统的功角稳定和电压控制提供了新的可能的途径。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式,电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The influence of UPFC and its controlling parameters on power system stability, capability of voltage regulation and power flow control are overall simulated on a one-machine to infinitive-bus system.
以单机无穷大系统为例,较全面地仿真了UPFC及其控制参数对系统暂态稳定性的影响以及UPFC的电压调节和潮流控制能力。
Furthermore, the method is used to control the DC bus voltage of the VIENNA rectifier, with enhanced control accuracy and system stability.
然后将所提方法应用到VIENNA整流器直流母线电压控制中,提高了控制精度,并增强了系统的稳定性。
According to the characteristic of the control loop, simple voltage control mode and basic PI compensation are employed to ensure the stability of the converter.
在电路设计上,根据环路传递函数的特征,利用简单的电压模式控制和基本的PI补偿器,保证了宽带环路控制的稳定性。
Voltage control and reactive power optimization are effective means to increase rate of qualified voltage, reduce grid losses, and improve the system stability. The SCADAbased.
电网的电压控制和无功优化是提高电压合格率,降低网损,提高系统稳定性的有效手段。基于。
This paper describes the application of sensitivity of the loading margin with respect to parameter on control for voltage stability.
提出应用系统控制参数与系统负荷裕度之间的灵敏度关系、对电力系统电压稳定进行控制的方法。
This paper I use TI's DSP chip design TMS320LF2407A type, a frequency inverter, I realized the main circuit power supply digital control, and improved output voltage accuracy and stability.
本文采用TI公司的TMS320 LF 2407a型DSP芯片设计了一种中频逆变电源,对电源主电路实现了全数字控制,提高了输出电压的精度和稳定度。
Optimizing reactive power and voltage control in power system is an important and efficient method to improve the voltage quality and ensure the voltage stability.
无功电压优化控制是减少电网损耗、保持电压稳定性、提高电力系统安全性和经济性的有效措施。
Increases both the steady state and transient stability limits of the generator with respect to the power system by continuous, fast control of the exciter voltage to match the generator requirements.
通过连续、快速控制励磁机电压以与发电机的要求相匹配来提高发电机对于电力系统的稳态和暂态稳定性限度。
Outer inner voltage-current dual closed loop control system to improve the system accuracy and stability of the output and improve the system dynamic response.
采用电压外环电流内环双闭环控制系统,提高了系统的输出的精度和稳定性,改善了系统动态响应特性。
Simulative results for typical systems demonstrate that the proposed strategy makes full use of voltage control capability in power system to improve system voltage stability.
基于典型系统的仿真结果表明,该方法能充分利用系统中的电压支撑能力,提高系统电压稳定性。
To suppress resonance of LCL filter and improve stability of system, it is pre - sent that a voltage and current double loops control strategy based on virtual resistor concept.
为了提高系统的稳定性,抑制滤波器的谐振,在双闭环控制的基础上提出了一种基于虚拟电阻思想的控制策略。通过对滤波电容电流的积分处理,改变了系统传递函数的极点,确保了系统的稳定运行。
To suppress resonance of LCL filter and improve stability of system, it is pre - sent that a voltage and current double loops control strategy based on virtual resistor concept.
为了提高系统的稳定性,抑制滤波器的谐振,在双闭环控制的基础上提出了一种基于虚拟电阻思想的控制策略。通过对滤波电容电流的积分处理,改变了系统传递函数的极点,确保了系统的稳定运行。
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