negative sequence voltage的意思|示意

Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.

本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。

An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.

提出了一种基于负序电压极化的自适应接地阻抗继电器方案，并对其动作特性进行了分析。

Harmonics, reactive power, voltage flicker and negative-sequence current of power grids can affect the power quality and harm the power equipment badly.

电网中存在谐波、无功、电压闪变及负序电流等问题，严重影响电能质量，危害电力设备。

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.

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。

Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.

通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。

The results from calculation and simulation show that the proposed method can effectively restrain the negative sequence voltage and current caused by unbalanced parameters of transmission line.

计算分析结果表明，该方法能够有效抑制由线路参数不对称产生的负序电流和电压。