查询词典 power grid

Three-phase squirrel-cage induction motor in its structure is simple, cost-effective and of good work, and many other advantages, in today's industrial applications in various fields have a wide range of applications, but it is an obvious shortcomings, is the starting current too big ( General starter for the rated current of the current five to seven times or even greater), so regardless of the motor itself, or the power grid and other electrical equipment, will have a negative impact.

留学解答资讯网：三相鼠笼式异步电动机以其结构简单、性价比高和工作特性好等诸多优点，在当今工业应用的各个领域都有广泛的应用，但它有一明显缺点，就是起动电流过大(一般起动电流为额定电流的5～7倍甚至更大)，这样不论是对电动机本身，还是对电网以及其他电气设备，都会产生不利的影响。

Frequency AC-DC rectifier first, and then the inverter for AC 50 Hz, the step-up transformer into the local electricity company 11 kV power grid.

变频交流电先整流成直流电，然后逆变为50Hz的交流电，经升压变压器送入当地电力公司的11kV电网。

To solve the problem with high deviation on bus voltage at Wu-Zhou 500 kV Switchyard in South China Allied power Grid, it was planned to install a set of 150 Mvar shunt reactor (chigh voltage reactor in brief bereaffenr).

为解决南方互联电网梧州500 kV开关站母线电压偏高问题，拟在梧州站母线投入1组150 Mvar并联电抗器。

Influence of DC system control strategy on the transient stability of South China power grid.

直流系统的控制策略对南方电网暂态稳定性的影响。

But what's the main reason for the wattless circumfluence in Gansu power grid?

那么，甘肃电网内无功环流存在的主要原因是什么？

The writer gives some advice and measures on the basis of analysis and calculation to the two wattless circumfluences existed in Gansu Power Grid.

笔者对甘肃电网内两个电磁环网进行计算分析的基础上，提出了结论性的建议和措施。

Manufacturing center Jiangxi province has put the power grid on yellow alert, the second level of four stages of severity.

制造中心江西省已经发布电网黄色预警，电网告急分为四个级别，黄色为第二级。

Theparallel connection device for the altern ating currentmotor can solve this problem effectively.It is proved thatthe motor can be smoothly switched to the power grid with the application of parallel connection device.

交流电动机并网控制器很好地解决了这一问题，实践证明电动机的电源切换是能无扰动平滑切入电网的。

By means of analyzing the difference between HVDC transmission line and traditional HVAC transmission lines, it is proved that it is not suitable to apply superposition principle to the power grid containing HVDC transmission lines, thus following conclusions are obtained: in the place near to HVDC transmission line the fundamental frequency fault component element should be not adopted; and there is definite relation between the maloperation of directional comparison pilot protection applied in practical project and the adoption of fundamental frequency fault component element.

通过分析HVDC的特性与传统交流系统的不同，证明叠加原理不能应用在含有HVDC的系统中，从而得出结论：在HVDC附近不应该采用工频故障分量元件，实际工程中的纵联方向保护误动作与使用工频故障分量元件有一定关系。

Circulating perfectible search mode can enrich cascading failures collection,and makes it possible realize the comprehensive predicting and searching for cascading failures of the power grid,and offers technical support for dispatchers to take correct decision-makings as soon as possible.

循环完善搜索模式可以使连锁反应事故集不断地充实完善，使电网连锁故障的全面预测搜索成为可能，进而可为运行人员及早采取正确的决策措施提供技术支持。

At the rear was an innovative combination transaxle with the gearbox, clutch, differential, and inboard-mounted drum brakes.

在后面是与变速箱，离合器，差的创新结合变速，和内侧安装鼓式制动器。

For more people can apprecaite and have the master work, there is reproduction painting appears in the market, the large various selection of paint,the high saturation of color plus the plentiful sfumato, to make the reproduction perfect copy and detail as original painting, so as to meet the requirment of amateurs who love art paintings,they do not need to pay high price to get classical paintings.

颜料色域广，色彩饱和度高，色彩层次丰富，图像色彩还原真实，能完美的复制原作，满足艺术爱好者欣赏，艺术爱好者们不用支付昂贵的价格就能拥有经典油画。