电网

Disconnector is a sort of high voltage switchgear without special arc-extinguishing device.

隔离开关是一种没有专门灭弧装置的开关设备，是我国西北电网建设第一条750kV线路的重要设备之一。

Low pressure distribution network is consist of lots of transformers which are here and there dispersedly.

低压配电网是以变压器为中心构成的供电网络，其特点是配变数量众多，分散性大。

It has brought breakthrough to cleaning energy, electric grid construction, etc, constructed the first 100 thousand KW circulation fluidized bed exemplary power station in Asia, the largest 300 thousand KW circulation fluidized bed exemplary power station in Asia, the most advanced and modernized urban garbage burning power generation station in the West China, the largest 500KV transformer substation and 220KV wire project in Sichuan and the domestically advanced large-scale electrolyze aluminum project, and participated in the construction works in installation, debugging and technical support of Iraq, India, etc.

并在洁净能源、电网建设等领域实现突破：承建了亚洲首台10万千瓦循环流化床示范电站、亚洲目前最大30万千瓦循环流化床示范电站，四川首台60万千瓦火电机组、西部最先进、最现代化的城市生活垃圾焚烧发电站、四川最大容量500KV变电站及220KV线路工程，还承建了国内先进的大型电解铝工程。

Those are measured and calculated by computer such as voltage, current, frequency, active power, reactive power and power factor. The errorless of three-phase voltage and current is less than 0.5 percent.

用微机实现对电网电压、电流、频率、有功功率、无功功率、功率因数的测量和计算；计算高压配电线路得出的三相电压、三相电流有效值误差小于0.5％。

This text aim at the neutral spot not connect the ground or through eliminate arc coil to conncect ground of connecting a ground of system, put out to connect a ground of electricity arc ability existently low and starts of the system occurrence Human body feeling electricity connect the ground to conduct electricity to press, the equipments inner part breaks down to connect the ground, having no problem of protect the ability.On the foundation of the thorough research protection method, put forward to change into above-mentioned system the protection project that the intelligence connects a ground of system movement.At the same time, introduced the intelligence to connect a ground of composing of system, the work principle, function and characteristicses and system to circulate the circumstance.

本文简要分析了我国配电网自动化的现状和面临的主要问题，指出合理、高效的配电系统网络结构是提高供电可靠性和供电质量的前提条件，本文在对国内现有配网方式进行全面分析的基础上，结合我国城网改造的目标的显状，提出了一种科学&田&字型接线，对其技术性、经济性和可靠性进行了论证，（分析了不同故障情况下系统如何完成故障的定位、隔离，网络的重构及负荷的转移，指出该方案具有很高的供电可靠性和相对较低的备用容量，是一种符合国情国力并能适应配网自动化发展的组网方案）；给出了适合该方案的不同控制模式并进行了优劣比较，指出集中远方控制模式划配网自动化发展的必然趋势；最后本文给出了该控制模式下的测控方式。

A real-time anti-electricity filching system is proposed. The constitution and function principle is introduced. It analyzes the high/low voltage parameter gathering and wireless digital communication.

提出一种实时、系统的电网防窃电系统，介绍了系统组成和工作原理，并对高压采集终端、低压采集终端和无线数字公用通信网的相关技术进行了详细分析。

Funds, as the finical capital, have strict requirements on the procedure and

基金作为国家的财政资金，在使用程序和使用对象上要求严格，电网企业作为

To reveal that the operating mode of power grids and characteristic of impendence relay have significant impact on the reliability of distance protection,an operational risk evaluation model is proposed for distance protection.

指出电网运行方式和阻抗继电器的特性对距离保护运行可靠性有重要的影响，并提出了其风险评估模型。

Therefore, it is great of impendency and...

因此，加快研究开发适合于我国电网实际情况的面向全网的在线电压/无功优化控制系统是十分迫切而且必要的。

Therefore, the bidding prices of generators and the line capacities are introduced into the TNUoS charges. Furthermore, the indiscriminatively summing up of the costs of all lines is replaced by mainly summing up the costs of congested lines.

因此，在电网使用费的计算中引入了机组的报价和线路的传输容量，而且体现出阻塞线路和非阻塞线路的差别。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。