电网

Almost all products provider has the protocol of themse, this come into the network of electric power have thousands of kinds of communication protocol.

几乎每个产品供应商都有一套自己的标准，整个电网里运行的通信协议就可能达到上百种。

There is no any application or research in power line spread-spectrum communication on the complex power line environment in mine.

目前电力线扩频载波通信在井下复杂电网环境中的应用研究还是一个空白。

Modern power structure is becoming more and more complex. Large unit, large power grids, EHV AC and DC transmission distance,wide application of new technologies and market-oriented operation mechanism is becoming its main characteristics.

现代电力系统结构日趋复杂，并且大机组、大电网、超高压远距离交直流混合输电、广泛应用新技术和市场化运营机制已经成为其主要特征。

An operating risk assessment algorithm for hidden failures was developed, which could calculate the conditional probability using event tree method and evaluate the severity of hidden failures.

采用事件树方法分析计算继电保护隐患的暴发概率，选取严重性指标度量继电保护隐患暴发的后果，用风险作为指标定量评估继电保护隐患对电网安全的影响。

State Grid headed a consortium with two local partners to develop and operate the grid for 25 years.

国家电网为首的公司与当地的两名合作伙伴，开发和经营的网网已经有25年了。

It realizes the online coordination and update of the setting in relays, and it can provide the warning signal of setting mismatch and contingence occurrence in current operating mode.

克服了定值离线管理模式的弊端，能从技术手段上更有效地保障电网的安全稳定运行。

Distribution Automation System is an integration system of supervisory control and management on distribution grid.

配电自动化是对配电网进行远方实时监视、控制与管理的一个集成系统。

On-line voltage stability monitoring and control system in Fujian power grid is presented in this paper.

本文介绍了福建电网在线电压稳定监视与控制系统。

To decrease voltage is by adjustment of voltage control point in power grid.

以往都是通过调整电网电压控制点的电压来配合。

Present situation of short circuit current control in Shanghai power grid and countermeasures.

上海电网短路电流控制的现状与对策。

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。