特高压

By means of discharge test on air clearance of real size simulation tower head , the discharge characteristics of UHVDC tower air clearances under DC pre-voltage superimposed with switching surge are researched and the test data are obtained.

通过真型尺寸模拟塔头空气间隙放电试验，研究了特高压线路杆塔空气间隙在直流预电压叠加操作冲击下的放电特性，得到了叠加电压的试验数据。

UHV DC test base upon completion, will create 17 first in the world to achieve world-class level.

特高压直流试验基地建成后将创造17项世界第一，达到国际一流水平。

Large distributed capacitive current of Ultra-High-Voltage transmission line depresses the sensitivity and reliability of traditional phase-segregated current differential relay.

传统的分相式差动保护应用于特高压输电线路时，很大的分布电容电流导致其灵敏度和可靠性严重下降。

It mainly is applied to extra high voltage direct current transmission project and other fields required in national economy.

主要应用于特高压直流输变电工程及其他国民经济需要应用领域。

The new high voltage grid is expected to enable the transmission of over 200 million kilowatts, accounting for 25% of the total installation capacity all over the country.

新的特高压电网传输量预计能达到2亿千瓦，占全国总安装能力的25%。

The minimum ground clearance of bundle conductors for 1 000 kV AC UHV transmission lines is one of the key factors in UHV transmission line design.

导线最小对地距离的取值是特高压输电线路设计过程中需要考虑的关键因素之一。

Therefore, the analysis of the system over-voltage and limitations of the development of special high-voltage power grid, one of the major research topics.

因此，对系统过电压的分析与限制是发展特高压电网的主要研究课题之一。

Present situation and prospects of applying composite insulators to UHV transmission lines in China.

复合绝缘子使用现状及其在特高压输电线路中的应用前景。

Higher voltage gradients of the ZnO varistors lead to higher requirements for their energy absorption densities.

在现有生产制造能力的条件下，特高压避雷器采用ZnO阀片的电压梯度越高，阀片所必须达到的能量吸收密度也越高。

The research indicates that the reclosing time difference between two terminal breakers should be greater than

特高压输电线采用单相重合闸有利于保证系统供电的可靠性和并列运行的稳定性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。