A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.
提出了一种适用于输电线路差动保护抗电流互感器(TA)饱和的新方法——电流极性比较法。
Therefore, the over-voltage caused by the electromagnetic voltage transformer saturation in the system with insulated neutral belongs to shifting over-voltage.
故可得出结论：在中性点绝缘系统中，因电磁式电压互感器饱和引起的过电压现象属于工频位移过电压。
Work begins with the improvement of volt-ampere characteristics of voltage instrument transformer, to ensure that saturation phenomenon does not appear.
从改善电压互感器伏安特性着手，使电压互感器在运行中不出现饱和现象。
According to the current waveform and actual condition of the motor at two sides of the terminal, it is pointed out that the transformer saturation is the direct reason of causing this fault.
根据电动机首末端两侧电流波形及现场的实际情况，指出电流互感器饱和是导致这次事故的直接原因。
The interaction of HVDC converter with the saturation characteristic of converter transformer can lead to core saturation instability of converter transformer.
高压直流换流器和换流变压器的饱和特性之间的相互作用可以导致换流变压器铁心饱和不稳定现象的发生。
Based on the sudden decline of the secondary current after current transformer saturation, a new saturation criterion called current-dropping method is presented.
基于电流互感器饱和后二次电流突然下降的特点，提出了一种新的电流互感器饱和判别方法——电流下降法。
Optical Current Transformer(OCT)resolves the problems of saturation and low transient precision created by electromagnetic current transformer.
光学电流互感器（OCT）解决了继电保护中传统电磁式电流互感器的饱和以及暂态精度低等问题。
This lack of static, DC offset current in the output transformer means that the core can be made smaller, because it requires no air gap to prevent core saturation from the static DC offset current.
这种缺乏静态，直流偏移电流输出变压器的核心手段，可更小，因为它不需要空气间隙，以防止核心饱和从静态直流偏移电流。
Fe-based nanocrystalline core transformer inverter which has a high saturation magnetic flux density, high efficiency, small excitation power, low loss, good temperature stability.
铁基纳米晶逆变变压器磁芯其具有高饱和磁感应强度，效率高，激磁功率小，损耗低，良好的温度稳定性。
However, current transformer (ct) saturation is still affecting the reliability of transmission line differential protection.
然而电流互感器(CT)饱和会影响输电线路电流差动保护的可靠动作。
Optical current transformer (OCT) as a novel representative of current transformer resolves problems of saturation and low transient precision created by electromagnetic current transformer.
以光学电流互感器(oct)为代表的新型电流互感器的出现，解决了继电保护中传统电磁式电流互感器的饱和以及暂态精度低等问题。
Even more frustrating was that it appeared that the root cause was saturation of the new transformer design!
更失望的，失败的根本原因是新变压器设计的饱和。
After an external fault of transformer is cleared, the transient flux may enter into the saturation region, and a recovery inrush may be produced.
变压器外部故障切除后，暂态磁通可能超过变压器铁心的饱和点，从而产生一定的恢复性涌流。
By analyzing a case in practice, this paper discusses the mechanism of sympathetic inrush and the relationship between sympathetic inrush and transient saturation in transformer.
通过对一起微机型变压器差动保护误动作的原因分析，揭示了变压器的暂态饱和对差动保护的影响。
So the transformer core material is required to be the one with properties of low losses at high frequency, high dynamic permeability, high saturation induction and low remanence.
要求变压器铁芯具有低的高频损耗，高动态磁导率，高饱和磁感应强度和低的剩磁比。
A new method is introduced for judging harmonic transformer core saturation instability.
提出了一种判断铁心饱和型谐波不稳定的新方法。
The TA saturation has always been the main problem to degrade the reliability of the differential protection of power transformer.
TA饱和一直是影响变压器差动保护可靠性的重要原因。
Characteristics of ct (Current Transformer) in extreme saturation is illustrated by test and theoretical analysis.
通过实际试验和理论分析，阐明了电流互感器严重饱和时的特性。
Characteristics of ct (Current Transformer) in extreme saturation is illustrated by test and theoretical analysis.
通过实际试验和理论分析，阐明了电流互感器严重饱和时的特性。
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