1、

Insulator should withstand power frequency voltage, switchingvoltage and lightning impulse voltage, shouldn't flashover under pollution.

绝缘子运行中要能够承受工频电压、操作过电压 、 雷电过电压的作用, 并在污秽条件下不发生闪络.

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2、

This is generally measured under full load at nominal line voltage.

通常是在满负荷额定线电压下测定的.

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3、

The behavior of matrix converter ( MC ) was investigated under an unbalanced input voltage condition.

研究了不平衡输入电压条件下矩阵变换器 ( MC ) 的行为特征.

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4、

At the rated voltage, the motor temperature could be controlled under 30 K.

额度电压下电机温升控制在30K内.

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5、

The water treeing in samples under a series of AC voltage is detected.

对交流电压下抑制水树枝的产生和成长也做了研究.

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6、

The initial discharge voltage using pressured air as insulation medium has different characters under diverse pressures.

空气绝缘起始放电电压在不同压力下表现出不同的特征。

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7、

An equivalent circuit of multi-winding transformer under the impulse voltage test condition circuit parameters are frequency-dependent.

建立了电力变压器在冲击试验条件下的频率依赖参数的等效电路模型.

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8、

Resistance Current Measurement of Zinc Oxide Surge Arrestor Under Operating Voltage

氧化锌避雷器运行电压下测量阻性电流

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9、

Study on frosting process of evaporator under free convection and high voltage field

高压电场下自然对流蒸发器结霜的试验研究

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10、

The author calculates distribution of electric field and potential under three cases: both the high voltage and grounding end with and without corona ring, and only the high voltage end with corona ring.

计算了在清洁合成绝缘子高压端、接地端两端安装均压环、未安装均压环以及只在高压端安装均压环的电场和电位分布;

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11、

In voltage dip control, combining with the capacity of converters, appropriating to relax the DC side capacitor design margins, we can further improve the grid-side converter control performance under the voltage drip situation.

在电压跌落控制中,结合变流器的容量,适当放宽直流侧电容设计裕度,可以进一步完善网侧变流器的电压跌落控制。

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12、

The corona inception voltage is higher under longer air gap;

间隙较长,起晕电压较高;

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13、

The corona inception voltage is lower under lower atmospheric pressure;

气压较低,起晕电压较低;

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14、

Under triode-like mode, the blocking voltage decreases with the increase of temperature.

但是在类三极管模式下,随着温度的增大,关断电压减小。

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15、

Short Circuit Current Characteristics of Doubly Fed Induction Generator With Crowbar Protection Under Different Voltage Dips

不同电压跌落深度下基于撬棒保护的双馈式风机短路电流特性分析

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16、

There is a big stray current under the high voltage wires with a electric potential gradient of 1.3~ 1.5mV/m.

通过现场布点测试发现该区域土壤具有较强的腐蚀性,高压线附近存在强杂散电流,电位梯度为1.30~15.00mV/m;

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17、

Under this environment, voltage instability may result when reactive power support is insufficient.

在这一环境下,如果无功功率支持不足,就可能出现电压失稳。

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18、

Under saturated load densities, substation distribution and the construction of high voltage wires are important parts of safe and economic power systems.

饱和负荷密度下的变电站布点及高压接线方式的构建是电力系统安全经济运行研究的一个重要组成部分。

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19、

To analyze the formation of surface discharge on a dielectric plate under positive nanosecond impulse voltage in air, a wire to plane electrode system with a barrier of negative film was used.

采用感光胶片作为阻挡介质的针-板放电系统,解析空气中固体电介质上纳秒正脉冲表面放电的形成过程。

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20、

Finally, the fundamental frequency estimation under different PQ disturbances condition , such as harmonics , voltage.

提出了一种电能质量干扰环境下的电力系统基本频率估计方法.

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