电网

Authorities say it will be several days before some West New York residents get their power turn back on. National Grid officials say the level of damage from the unexpected 2 feet of snow is unprecedented. Repairs are expected to continue through the weekend.

官方表示再过几天内将会对纽约西部的一些居民区恢复供电，国家电网局的官员说由于这次两英尺厚的反常大雪所造成的破坏前所未有，预计修复工作将延长至这周末。

The efficiency of the devices which are used to generate, transmit, and consume the electricity are reduced and the normal operation of variety of power devices are influenced by the harmonic wave which will cause to part parallel and serial resonance.

谐波降低了发电、输电及用电设备的效率，影响各种电力设备的正常动作，引起公用电网中的局部并联谐振和串联谐振。

This paper introduces the practice of applying normalized transient energy function for transient stability assessment in Henan power network with transient stability control.

介绍考虑稳定控制措施后的归一化能量函数在河南电网暂态稳定性分析中的应用。

In this paper, a detailed study on the measurement of the frequency characteristics of EMI coupling paths, the model of EMI coupling paths and the equivalent EMI noise model of an off-line PWM switched mode power supply is introduced quantitatively and qualitatively.

本文以一台小功率离线式PWM开关电源为例，对开关电源传导电磁干扰耦合通道的特性测量、电路模型的建立和分析、开关电源对电网等效电磁干扰模型的建立进行了研究。

The rapid addition of air-conditioning power consumption is the basic reason of the load peak and off-peak difference in network.

空调用电的急剧增加是造成电网负荷峰谷差不断拉大的主要原因。

So far the main products our company is dealing with are: High voltage cable, online switch temperature detecting system, online circuit breaker monitoring system, automatic integrated transformer substation tester, mutual inductor analyzer, SF6 electrical equipment malfunction detector, and we act as an agent for Austria OMICRON company.

目前的公司经营的主要产品包括：高压电缆、开关温度在线检测系统、断路器在线监测系统、变电站综合自动化测试仪、互感器分析仪、SF6电气设备故障检测仪，同时代理奥地利OMICRON公司产品，公司主要市场中国南方电网。

One of the main characteristics of circuit breaker is that the breaker can open normal current and short circuit current.

本文综合前人所做工作，详细描述了智能操作断路器控制器的工作原理及其主要控制基础，而电网的信号处理、断路器机构调整的方式、频率跟踪等是控制器的重要组成部分。

This paper proposes a new method, witch makes use of Master station system of distribution automation, then distributional equipment can realize guard gainst mistake operation.

本文首先从对配电设备实现防误提出了解决方案；在此基础上，提出了实现利用配网自动化主站实现配电网防误的方法。

Accurate load forecasts will lead to economical and reasonable scheduling of a unit commitment, maintaining security and stability of power network operations, scheduling reasonable maintenance plan, reducing generating costs efficiently.

电力系统负荷预测是电力系统中的一项重要工作，准确的负荷预测，有利于合理安排发电机组的起停，保持电网运行的安全稳定性，合理安排机组检修计划，并能有效地降低发电成本。

The model of the capacitors optimal control to distribution network is set forth in this thesis.

论文从经济运行的角度出发，建立了配电网无功优化控制问题的数学模型。

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。