电网

The capacitance capacitors and inductors of power grid form parallel resonance circuit .It's frequency may be related to the existing power grid close to the harmonic frequencies, If there is power grid harmonic current sources, harmonic resonance caused by enlarged so that the voltage and current waveform distortion even more serious.

电容器的电容和电网的电感形成并联谐振回路，其频率可能与电网中存在的谐波频率接近，如果电网存在谐波电流源，谐振引起的谐波放大使电压和电流波形畸变更为严重。

After that, the paper analyzes the status quo of Huainan power grid line loss

之后进一步对淮南供电公司电网线损管理现状进行分析，包括淮南供电公司在电网建设、经济运行、计量管理、新技术应用等方面所采取的节能降损的具体措施，查找淮南供电公司电网线损管理存在的问题以及问题产生的原因。

The power grid sector will form six regional power grid companies and build up power grid enterprises in line with the modern enterprise system.

电网系统将组成6个区域性的电网公司，并用现代企业制度构建电网企业。

It is an important work for the manage men of planning power grid to evaluate and control of power grid construction and size of grid electricity scientifically, and it is also the inevitable demand in market conditions.

科学地评价、把握和控制地区电网建设规模是电网规划管理部门的重要工作，也是电力市场条件下地区电网建设的必然要求。

In order to guarantee the safety of power system and acquire its running status, all kinds of real time parameters in power system need to be measured. The power quality analyzer is designed for this specific use. The instrument can measure three - phase power parameters and peak value, analyzer harmonic and communicate with PC. It is characterized with the high-precision, convenient carrying and friendly interface.

为保证电网安全运行并全面了解电网的运行状况，需要对电网的各种运行参数进行实时测量，电能质量分析仪即是为此设计的专用仪器，它集三相电参数测量、峰值测量、谐波分析、上位机通信为一体，具有精度高、携带方便、界面友好的特点。

To power grid parameter and topology error which are two main factors for the compute result of power system analysis software , research and develop the parameter identification and topology error identification system of power grid.

针对电网参数和网络拓扑影响电力系统高级应用软件计算结果的两个主要因素，以开关有功潮流估计算法和多断面参数辨识算法为核心，研究开发了电网参数辨识与实时拓扑检错系统，并在福州电网得到了应用。

Especially, the inductive load and impactive load of electrical equipments bring much Var and harmoniousness to the power system. They lead to low power factor, vast harmonious component and lead to other electrical equipment deviant work.

特别是用电设备中的感性负荷和冲击负荷给电网带来了大量的无功和谐波，造成电网功率因数降低，谐波成分增大，引起本身和其它用电设备不能正常高效的工作，为此，补偿电网的无功和谐波就成为人们及其关注的课题。

It is especially important to research and analyze the running state of the power net and the function under the situation of all kinds of disturbance and breakdown.

随着蒙西电网的不断发展，电网结构日趋复杂，研究和分析电网的运行状况及在各种扰动和故障条件下的性能显得尤为重要。

However, in the areas lack of electric energy, it is impossible for transmission network to form a relatively strong netty structure at present stage, merely to form a catenulate structure, consequently, the transmission capability of long distance power line that mainly lies on the lines stability limit is an issue in the development of transmission network.

而一些远离中心电网的缺电地区的电网在现阶段不可能形成较为坚强的网状结构，只能是长距离链形结构，而这种长距离输电线的输送能力主要取决于线路的稳定极限，是电网发展过程中的问题。

This paper analyses and studies three major neutral point treatment s.

本文通过对配电网常用三种中性点接地方式进行分析和研究，根据其运行特点和存在的问题，结合具体的配电网运行现状，提出了配电网中性点接地方式的选择观点。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。