例如，电弧炉就是一种非线性负荷，因为加上正弦电压后，它将形成非正弦电流(大量谐波)。
For example, an arc furnace is nonlinear since it will draw a no sinusoidal current (rich in harmonic's) when a sinusoidal voltage is applied.
由于电弧电阻非线性、时变性、高阻的特点，使得常规原理馈线保护中的阻抗保护、电流速断保护往往不能正确动作。
For the arc resistance is nonlinear and high, the conventional feeder protections, such as impedance protection and current protection, maybe fail to trip off.
电弧炉具有低电压、大电流而且负荷非线性的特点，在其运行过程中产生大量的负序电流，导致电网不稳定。
The characteristics of arc furnace are low voltage, big current and nonlinear load. Much negative sequence current is produced during running. As a result, the power net is unstable.
对受激电弧的声发射信号分析表明，从音频到超声频带，电弧声发射与激励频率之间存在着线性响应和非线性响应特征。
The characteristic of linear and nonlinear responses between arc excited ultrasonic emission and excited frequency was realized by the received signal from the acoustic to the ultrasonic spectrum.
此外，电弧加热器系统作为电网的大功率非线性负载，会产生大量的谐波干扰，污染电网。
Furthermore, the arc heater system, as a non-liner load of the grid, generates lots of harmonic disturbance.
如果将火花试验装置的电极在闭合或断开时的放电电弧看作一个非线性电阻，则可以实现电路本质安全性能的计算机辅助分析方法。
If the arc generated during the make or brake of electrodes of spark-test apparatus was regarded as a non-linear resistance, non-explosion assessing intrinsic safety method can be established.
三相交流电弧炉电极升降控制系统是一个复杂的非线性多变量耦合控制系统。
3-phase ac arc furnace electrode up-down control system is a complex multiple variable coupling control system.
电弧炼钢炉是一种非线性冲击型负载，对电力系统会带来不利影响，因此它的无功补偿是近年来研究的热点。
Arc furnace is a kind of nonlinear load, which could bring some interrupt to the power systems, so the reactive power compensation for arc furnace has become a hotspot in recent years.
电弧炼钢炉是一种非线性冲击型负载，对电力系统会带来不利影响，因此它的无功补偿是近年来研究的热点。
Arc furnace is a kind of nonlinear load, which could bring some interrupt to the power systems, so the reactive power compensation for arc furnace has become a hotspot in recent years.
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