理论分析和仿真结果表明:该算法不受电流互感器饱和的影响,效果明显,具有一定实用价值。
The theoretical analysis and simulation results demonstrate that the above-mentioned algorithm is effective even if the Current Transformers (CTs) are saturated.
为彻底解决电流互感器饱和对母线保护影响,开发了基于数字式光电互感器的数字式母线保护装置。
To avoid its influence on bus protection, the bus protection device with digital optical current transducer is developed.
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。
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.
分析了电流互感器饱和的特征及电流互感器饱和对电流差动保护的影响,并提出了可能的抗饱和措施。
The ct saturated characteristic and the influence of ct saturated to the current differential protection have been analyzed, and the anti - saturated measures have been proposed.
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。
Based on the sudden decline of the secondary current after current transformer saturation, a new saturation criterion called current-dropping method is presented.
电力系统母线保护存在的主要问题,是电流互感器的饱和问题。
Saturation of Current Transformer is the major problem of Bus Protect in power system.
电力系统母线保护存在的主要问题,是电流互感器的饱和问题。
Saturation of Current Transformer (ct) is the major problem of Bus Protect in power system.
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.
讨论保护用电流互感器的暂态饱和及工程应用中的问题。
The transient saturation of protective CT and its application are discussed in this paper.
电磁式电流互感器在电力系统故障情况下可能发生饱和,常导致继电保护装置误动或拒动。
The saturation of magnetic current transformers, occurred during a fault on the power system, will lead to mal-operation or refused operation of protection relay.
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。
A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.
通过适当地选择S值,采样值差动保护对电流互感器(TA)饱和的影响具有一定的抵御能力,在工程实际中具有良好的应用前景。
Sampling value differential protection can guard against TA saturation by selecting appropriate value of S, and it has a well application value in engineering.
光电流互感器(OTA)、光电压互感器(OTV)的应用,将改善TA饱和对主设备保护的影响。
The application of OTA and OTV will improve the influence of TA saturation on main equipment protection.
电流互感器(CT)饱和时,电流继电器能不能正确动作,一直存在二种载然不同的观点。
There are two different points of view on whether current relay operates correctly or not, when CT saturates.
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。
Optical Current Transformer(OCT)resolves the problems of saturation and low transient precision created by electromagnetic current transformer.
针对传统电流互感器易饱和﹑绝缘复杂等缺点,介绍了一种混合式光电电流互感器传感头用于测量的新型空心电流互感器。
To avoid shortcomings of conventional current transducers in insulation and saturation, the hybrid optical sensor head of a new type air core current transducer is presented.
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。
Optical current transformer (OCT) as a novel representative of current transformer resolves problems of saturation and low transient precision created by electromagnetic current transformer.
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。
However, current transformer (ct) saturation is still affecting the reliability of transmission line differential protection.
利用非传统电流互感器无饱和的优点,将瞬时值电流差动保护原理应用到分布式母线保护计算中。
The principle of instantaneous current differential protection is applied in the calculation of distributed busbar protection, which takes the advantage of unsaturated current transducer.
利用非传统电流互感器无饱和的优点,将瞬时值电流差动保护原理应用到分布式母线保护计算中。
The principle of instantaneous current differential protection is applied in the calculation of distributed busbar protection, which takes the advantage of unsaturated current transducer.
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