查询词典 power grid

Meanwhile, by means of generalized transform method, its two-phase equivalent circuit, impedance transformation and nodal admittance matrix in phase coordinates are given in order to analyze and calculate the problems related to the terminals connecting power grid with traction power network.

同时借助端口电气量的一般变换方法，给出了YNvd接线变压器两相等值电路、阻抗变换以及相坐标下的节点导纳矩阵，以便分析和计算与电力系统和牵引网端口有关的问题。

According to the self-organized criticality of complex power system, based on the theory of statistics and probability, an effective method to determine the blackouts caused by power grid cascading failures is proposed by using the theorem of maximum attraction field of extreme value distribution.

针对复杂电力系统的自组织临界性特点，基于概率统计基本理论，利用极值分布的最大吸引场定理提出一种分析电网连锁故障大停电事故的有效方法。

Power system ; ultral high voltage power grid ; short circuit current ; limiting measure

电力系统；特高压电网；短路电流；限流措施

During construction of our country's ultra-high voltage power grid, both electromagnetic loop circuit and stressed long UHV transmission passage may lead to low frequency power oscillation.

在我国特高压电网建设过程中，高低压电磁环网和重载的长距离特高压送电通道，都可能导致电网发生低频功率振荡。

The attention devoted to reducing harmonic pollution is increasing. Power Factor Correction is an effective method to reduce harmonic current in power grid.

谐波污染已引起世界各国的高度重视，功率因数校正是治理谐波的一种有效方法。

China's use of a high-tension power grid as opposed to more expensive underground cables, and its crushing dependence on coal – for 80 percent of its electrical power – left it especially vulnerable to the storms.

中国使用的是一种高压电网而不是较为昂贵的地下电缆以及其极度依赖煤炭-供其百分之八十的电力-使得它在暴风雨中特别容易受到攻击。

Power marketing auditing is an important part of internal auditing work in the power grid enterprise.

电力营销审计是电网经营企业内部审计工作中的重要部分。

The internal power grid will enable the power angle in the fault does not have a big change.

可以使内部电网的功角在故障发生时不产生大的变化。

Construction of power facilities on the island ahead, Yong 35-kilovolt and 110 kilovolt cables two cross-harbour, and with the provincial power grid and network.

岛上电力设施建设超前，拥35千伏和110千伏二条过海电缆，并与省电网并网。

This equipment is of high value for increasing the power factor and reducing the loss of power grid .

本装置对于提高电压合格率和降低网损有重大的意义。

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％。