直流分量和谐波分量对电流互感器传输特性影响
TM452; 电流互感器二次侧电流能否真实反映一次侧电流会受到直流分量以及谐波分量的干扰,影响电能计量公平性以及继电保护装置能否准确动作.首先从理论上阐明了电流互感器的误差影响因素,然后通过仿真与实验分别探究了谐波分量和直流分量对电流互感器比值误差和相角误差影响的程度,为电流互感器在不同工况干扰下的误差提供了参考数据.仿真和实验结果一致表明,由于直流分量可能更多地转化成励磁电流,使得铁心励磁特性变差,从而对误差造成更大的影响,比值误差差影响最高在1％左右;而谐波分量产生的交变磁通可以通过铁心耦合到二次侧,所以谐波分量对误差的影响较小,比值误差影响不超过0.1％....
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| Published in | 电机与控制学报 Vol. 27; no. 5; pp. 1 - 8 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安交通大学电气工程学院,陕西西安710049%国网湖南省电力有限公司供电服务中心(计量中心),湖南长沙410004%国网重庆市电力公司营销服务中心,重庆401123
01.05.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-449X |
| DOI | 10.15938/j.emc.2023.05.001 |
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| Abstract | TM452; 电流互感器二次侧电流能否真实反映一次侧电流会受到直流分量以及谐波分量的干扰,影响电能计量公平性以及继电保护装置能否准确动作.首先从理论上阐明了电流互感器的误差影响因素,然后通过仿真与实验分别探究了谐波分量和直流分量对电流互感器比值误差和相角误差影响的程度,为电流互感器在不同工况干扰下的误差提供了参考数据.仿真和实验结果一致表明,由于直流分量可能更多地转化成励磁电流,使得铁心励磁特性变差,从而对误差造成更大的影响,比值误差差影响最高在1％左右;而谐波分量产生的交变磁通可以通过铁心耦合到二次侧,所以谐波分量对误差的影响较小,比值误差影响不超过0.1％. |
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| AbstractList | TM452; 电流互感器二次侧电流能否真实反映一次侧电流会受到直流分量以及谐波分量的干扰,影响电能计量公平性以及继电保护装置能否准确动作.首先从理论上阐明了电流互感器的误差影响因素,然后通过仿真与实验分别探究了谐波分量和直流分量对电流互感器比值误差和相角误差影响的程度,为电流互感器在不同工况干扰下的误差提供了参考数据.仿真和实验结果一致表明,由于直流分量可能更多地转化成励磁电流,使得铁心励磁特性变差,从而对误差造成更大的影响,比值误差差影响最高在1％左右;而谐波分量产生的交变磁通可以通过铁心耦合到二次侧,所以谐波分量对误差的影响较小,比值误差影响不超过0.1％. |
| Author | 田娟 曾伟杰 戴莲丹 刘型志 王亮 崔晨辉 |
| AuthorAffiliation | 西安交通大学电气工程学院,陕西西安710049%国网湖南省电力有限公司供电服务中心(计量中心),湖南长沙410004%国网重庆市电力公司营销服务中心,重庆401123 |
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| Author_FL | TIAN Juan ZENG Weijie DAI Liandan LIU Xingzhi WANG Liang CUI Chenhui |
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| DOI | 10.15938/j.emc.2023.05.001 |
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| Keywords | 传输特性 electric energy measurement 相角误差 比值误差 J-A磁滞模型 transmission characteristics 电流互感器 ratio error,phase-angle error 电能计量 current transformer J-A hystere-sis model |
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| Publisher | 西安交通大学电气工程学院,陕西西安710049%国网湖南省电力有限公司供电服务中心(计量中心),湖南长沙410004%国网重庆市电力公司营销服务中心,重庆401123 |
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| Snippet | TM452; 电流互感器二次侧电流能否真实反映一次侧电流会受到直流分量以及谐波分量的干扰,影响电能计量公平性以及继电保护装置能否准确动作.首先从理论上阐明了电流互感器的... |
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| Title | 直流分量和谐波分量对电流互感器传输特性影响 |
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