电网

In allusion to the large amount of harmonic existing in the electric system, this paper proposes the new method to Filter harmonic. This new method adopts the single-tune filter and high-pass filter.

针对无功补偿中存在的电网谐波问题，提出了采用单调谐和高通滤波器来进行谐波滤波的方法。

Therefore, the analysis of the system over-voltage and limitations of the development of special high-voltage power grid, one of the major research topics.

因此，对系统过电压的分析与限制是发展特高压电网的主要研究课题之一。

Unlike reactors,the Superconducting Fault Current Limiters without impedance or voltage drop during normal operation,can limit the short circuit current to a lower level,so that the underrated switchgears can be operated safely.

叶林超导故障限流器与常规限流电抗器不同的是：它不但可以限制短路电流，使得轻型断路器可以正常动作，而且在电网正常运行时不呈现任何阻抗和电压降。

ABSTRACT: Unlike reactors,the Superconducting Fault Current Limiters without impedance or voltage drop during normal operation,can limit the short circuit current to a lower level,so that the underrated switchgears can be operated safely.

超导故障限流器与常规限流电抗器不同的是：它不但可以限制短路电流，使得轻型断路器可以正常动作，而且在电网正常运行时不呈现任何阻抗和电压降。

Use bifurcation curve and analyze the effect on voltage stability by static load model,propose that critical voltage decrease with the constant impedance ratio increasing.

使用分岔曲线，分析了负荷静态模型对系统电压失稳临界点电压值的影响，得出系统发生电压失稳时临界电压值随负荷模型中恒阻抗负荷比例的增加而降低，并对北京电网进行实例分析。

System simulation of a doubly fed induction generator ride-through control for symmetrical grid fault.

电网对称故障时双馈感应发电机不脱网运行的系统仿真研究。

In charge of coordination, monitoring and acquisition of approval letter for renewable generation power plant connection with power grid and other associated permission from government agencies.

负责协调，监控和获得新能源发电并入电网的许可证及其他相关政府部门的许可。

This paper expounds the hardware and software configuration and functions of dispatcher training simulator for Shenzhen electric power network,and summarizes the linchpins of the successful implementation of the system.

阐述了深圳电网调度员培训仿真系统的软硬件结构和功能，分析和总结了该系统成功实施的关键，并介绍了该系统在反事故演习、调度员培训及继电保护和自动装置研究等方面的应用。

It is an effective approach to ensure the non-exceeding of the breaking capacity of line breaker by adopting fault current limiter to restrain short-circuit current when the grid is in fault.

采用故障电流限制器来抑制电网故障时的短路电流是保证断路器遮断容量不致超限的有效方法。

Loss management is to reduce the rate of line loss .

线损管理的目的就是为了降低电网的线损率。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。