The relationship between power frequency overvoltage and system operation mode is investigated.

分析工频过电压与系统运行方式的关系.

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This PCS adopts high frequency transformer, thus reducing the weight and cost.

该文采用高频隔离的逆变器, 消除了输出端的工频变压器.

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In this paper, the structural principle of ENI is briefly dealt with.

本文简要地介绍了工频指零器的结构原理.

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Automatic power - frequency withstand voltage test equipment, automatic test equipment BIL.

全自动工频耐压试验装置, 全自动冲击耐压试验装置.

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Industrial frequency test voltage waveform shall be practical sine wave.

2工频试验电压波形应为实际正弦波.

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Owing to relay protection acts promptly, extracted signals are including abundant harmonious, high - frequency and damping - periodic components.

由于保护的速动性, 提取的信号中除含有工频、丰富的谐波分量 、 高频外,还有衰减的非周期分量.

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In the meantime, the suitable controling method of melting cast iron induction furnace were also presented.

同时阐述了工频炉熔炼铸铁炉前控制的操作规范.

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It is vital to choose the right excitation characteristic of the nonlinear inductor when analyzing ferroresonance.

分析工频铁磁谐振时,选择正确的非线性电感励磁特性类型至关重要.

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Use : It is used as lining discharge channel of furnace, steel - tapping spout furnace bottom cupolas furnace.

适用于高炉出铁沟、炉坑、冲天炉 、 工频炉、出铁槽出钢槽等部位.

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A method which eliminates power line interference in the ECG based on QRD - LS algorithm is studied.

实验结果表明,该算法能有效滤除基线漂移和工频干扰,算法简单实用.

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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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Variable frequency adjustment and the existence of energy - saving in the economy: the transformation ofamount of money?

工频调整与变频节能在经济方面存在着: 改造资金投入多少?

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Adaptive coherent model can be easily implemented and it can simultaneously reject powerinterference and baseline wander.

自适应相干模板法以其实现简单、可同时滤除工频干扰和基线漂移等特点,而在智能医疗仪器上得到广泛的应用.

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To eliminate the interference of 50 Hz alternating current, a digital high - pass filter is designed.

设计了用于抗50Hz工频干扰的数字 高通滤波器 .

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The extinguish of arc of single - fault is analyzed with frequency theory and fundamental frequency theory.

本文分析了小电流接地系统弧光接地过电压的基本原理及高频熄弧理论和工频熄弧理论.

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