The zero-sequence current protection is an important means of power system ground protection.
零序电流保护是一种重要的接地保护方法。
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequence current.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
本文针对高压输电线距离保护及故障测距中常用的解微分方程算法，提出了一种零序电流相位修正的方法。
Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.
能可靠判断、检测界内与界外毫安级零序电流及相间短路故障电流，实现自动切除单相接地故障和相间短路故障。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
Main functions and characteristic for zero sequence current protection setting program are presented in this paper. Ways of no_balance zero sequence current for double lines are introduced.
主要介绍了零序电流保护整定计算程序的主要功能和特点，简要介绍了双回线零序电流的不平衡解决方法。
General conclusions are extracted and the difference of zero sequence current distribution from classical theory is found.
最后总结出一般性的结论，其中关于零序电流的分布与经典理论有较大的区别。
Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.
基于对称分量法理论，提出了基于检测正序、负序、零序电流分量的电动机保护方法。
The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through.
本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
This is particularly the case for the third harmonic, which causes a sharp increase in the zero sequence current, and therefore increases the current in the neutral conductor.
尤其是第三个谐波，这将导致零序电流急剧增加，从而增加了中性线的电流。
The zero sequence current transformer is full enclosed type.
本型零序电流互感器为全封闭式。
The major function and features of the calculating program for Settings of zero sequence current protection of Hubei power system were described.
介绍了湖北电网零序电流保护整定计算程序的主要功能和特点。
Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.
实验结果表明，该装置可对三相四线制系统中的谐波、负序、零序等电流分量进行补偿。
The zero sequence current transformer is open-close type.
本型零序电流互感器为开合式。
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能：高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度；2路脉冲量输入实现外部电度表自动抄表；
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能：高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度；2路脉冲量输入实现外部电度表自动抄表；
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