电网

The joint operation of dispersed generators with power grid brings tremendous variation in control and operation for modern power system.

大量分散电源的并网运行，给配电网的规划、电压控制、继电保护与安全自动装置等带来了一系列的问题。

Simulation results show the satisfactory performance of the proposed connection solutions during various conditions such as power variation, grid AC faults, etc.

模拟结果说明了在不同情况下（如电源变化、电网交流错误等）所推荐的连接方案的运行满意度。

The authors analyze the operation characteristic of distance protection of transmission line connecting wind farm with power grid under the variation of parameters such as the amplitude ratio of electromotive force at both sides, the phase difference of electromotive force at both sides, equivalent impedance of sources, system frequency and so on; based on the real-time current and electromotive force at wind farm side as well as the information of wind power generators participating power generation, a method to adaptively set the operation boundary of distance protection by use of the information at wind farm side only is proposed.

文章分析了风电场和电网联络线的距离保护随电源电势幅值比、电势相位差、电源等效阻抗、系统频率等参数变化时的动作特性，并基于风电场侧的实时电流和电势与参与发电的发电机信息，提出了仅利用风电场侧信息量自适应整定保护动作边界的方法。

This device can measure frequency,electric voltage and variety rate quickly, distinguish shortcircuit breakdown, judging the size of power deficiency vacancyinside a system.

一旦电力系统出现不稳定它能快速切除接近于功率缺额的负荷，抑制系统电压频率的快速降低，保证电网安全并保障一些重要用户的供电质量。

This work has marvelous significations notonly for the accurate evaluation and optimization of current networks, but also for theimprovement of power supply reliability and enterprises' benefits.

这项工作对正确评价现状电网，优化网络的结构，提高城网供电的安全性和可靠性，提高企业的经济效益和社会效益具有巨大的现实意义。

Common attention is only given to harmonics, with other components being labeled "subharmonics" and "interharmonics."

用来分析电力系统谐波的计算机软件能够计算出给出的谐波源的电压失真度以及电网配置。

And theMAS operational strategy is studied in detail. The simulation of a regional powernetwork shows this MAS system can give rational and viable control strategy, achievegood 10kV bus voltage level, avoid the frequent operation of control devices, and reducethe power loss.

通过在某地区电网中进行仿真，证明该系统的动作策略合理可行，使系统母线电压保持在合格范围内，避免变压器分接头和补偿设备的频繁操作，有效降低网损，具有一定的实际应用价值。

The proposed method has been applied in AGC system of Fujian power grid.

该方法已应用于福建电网自动电压控制系统中。

In chapter 4, methods of ICMMS architecture design are used in AGC system of Dispatching System.

第四章将ICMMS体系设计方法应用于电网调度AGC系统。

AGC, one important kind of ancillary services, is the significant guarantee for safe and efficient operation of power grids.

AGC是辅助服务的重要组成部分，也是电网安全高效运行的重要保障。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。