| 空心线圈模拟积分器时间常数定量分析 |
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| 引用本文： | 马玉龙,夏雨,宋斌,沈志浩,王海全.空心线圈模拟积分器时间常数定量分析[J].山东电力技术,2019,46(5):21-25. |
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| 作者姓名： | 马玉龙 夏雨 宋斌 沈志浩 王海全 |
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| 作者单位： | 国电南瑞科技股份有限公司;智能电网保护和运行控制国家重点实验室 |
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| 摘 要： | 采用空心线圈的保护用电子式电流互感器,积分器时间常数是影响其稳态与暂态准确度的关键因素。从模拟积分器传递函数入手,分析影响互感器采集系统准确度的多种因素,获取采用空心线圈的保护用电子式电流互感器积分器积分时间常数的定量选取方法,并通过试验验证了该方法的合理性。
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| 关 键 词： | 空心线圈 积分器 电子式电流互感器 暂态响应 |
Quantitative Analysis of Time Constant of Analog
Integrator Used for Air-core Coil |
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| MA Yulong,XIA Yu,SONG Bin,SHEN Zhihao and WANG Haiquan.Quantitative Analysis of Time Constant of Analog
Integrator Used for Air-core Coil[J].Shandong Electric Power,2019,46(5):21-25. |
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| Authors: | MA Yulong XIA Yu SONG Bin SHEN Zhihao and WANG Haiquan |
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| Abstract: | The time constant of integrator is the key factor which affects steady-state and transient accuracy of protection type electronic current transducer with air-core coil.Based on the transfer function of the analog integrator and analysis of factors that affect the accuracy of transducer acquisition system.This paper draws a conclusion of quantitative method for selecting the time constant of analog integrator used for protection type electronic current transducer.The simulation study is carried out to verify the feasibility of this method. |
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