The equations of zero - sequence coupling transmission lines are derived from telegraph equations.

运用电报方程推导出 零序 耦合传输线的输线方程.

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A novel principle of negative - sequence current compensation based adaptive zero - sequence over - voltage protection is therefore proposed.

该文提出一种新的基于负序电流补偿的自适应 零序 过电压保护原理.

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Abstract: Zero sequence directional power protection is widely used in neutral directly grounded system.

文摘: 在大电流接地系统中广泛采用着零序功率方向保护.

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The voltage regulation characteristic of autotransformer, external compensation of zero sequence current for three Y au.

论证自耦变压器的电压调整性能 、 三Y型 自耦变压器的零序电流外补偿、自耦变压器继电保护整定的特殊问题.

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These reactive devices can't suppress the zero - sequence and negative - sequence current resulted from the unbalanced load.

而且不能补偿不平衡负载导致的 零序 、负序和中线电流.

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It mainly focuses on analysis and determining method of zero sequence power direction relay.

重点介绍零序功率方向继电器的分析及判定方法.

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A double lines distance relay based on the zero sequence components is presented.

提出了适用于平行双回线路的零序距离继电器新判据.

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Key words: low current earth electrical network, transient earth fault, zero - sequence energy, energy variation.

关键词: 小电流接地电网, 间歇性电弧接地故障, 零序能量, 能量变化.

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This paper studies the influence of converter transformer - zero sequence current on valve short circuit protection.

笔者研究了 换流 阀三角形侧零序环流对阀短路保护误动作的影响.

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Also interference with telephone circuit is reduced because of the absence of zero - sequence currents .

由于无 零序电流,对电话线路干扰的影响也降低.

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It can also used for zero - sequence current measurement and single phase ground protection.

也可用于电缆线路 零序电流 测量和单相接地保护.

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No - balance method for zero sequence current of double lines are introduced in detail.

详细介绍了双回线零序电流的不平衡解决方法.

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