A Method for Testing Dielectric Loss Factor of Cables Under Damped AC Voltage Based on ApFFT-NLS

Yang Saike; Pang Xianhai; Zhang Peng; Li Tianhui

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A Method for Testing Dielectric Loss Factor of Cables Under Damped AC Voltage Based on ApFFT-NLS

更新时间：2026-02-06

- A Method for Testing Dielectric Loss Factor of Cables Under Damped AC Voltage Based on ApFFT-NLS
- High Voltage Apparatus (2026)
- 作者机构：
  
  国网河北省电力公司电力科学研究院河北石家庄 050021
- 作者简介：
- 基金信息：
  
  State Grid Hebei Electric Power Research Institute(kj2024-096)
- DOI：
  CLC：
- Received：12 August 2025，
  
  Revised：2025-10-16，
  
  Accepted：24 October 2025，
- 稿件说明：
移动端阅览
Yang Saike, Pang Xianhai, Zhang Peng, et al. A Method for Testing Dielectric Loss Factor of Cables Under Damped AC Voltage Based on ApFFT-NLS[J/OL]. High Voltage Apparatus, 2026.
DOI：

Yang Saike, Pang Xianhai, Zhang Peng, et al. A Method for Testing Dielectric Loss Factor of Cables Under Damped AC Voltage Based on ApFFT-NLS[J/OL]. High Voltage Apparatus, 2026. DOI：

摘要

振荡波试验是电缆绝缘检测的重要手段，解决了现场试验负载容量大导致的试验设备体积庞大的问题，介质损耗因数属于电缆振荡波试验的核心测试参数之一，然而现有振荡波条件下的介质损耗因数测试精度较低（仅为1×10

-3

量级），无法满足现场测试要求。本研究提出一种基于全相位快速傅立叶变换（ApFFT）和非线性最小二乘法（NLS）算法的高准确度介损因数测试方法，与传统方法对比无需再评估振荡波系统自身误差，测量精度提升到1×10

-4

量级。测试过程需同时测量振荡波电压和电流信号，开发了可实现最小化理论相位误差的测试系统，避开了测试对象击穿引发的地电压抬升风险。通过仿真和实验验证了该测试方法的准确性和算法的稳健性，达到了现场高精度介损检测需求，为振荡波下电缆绝缘评估提供了更可靠的技术手段。

Abstract

Damped AC test is an important means for cable insulation detection

which solves the problem of large volume of test equipment caused by large load capacity in on-site tests. Dielectric loss factor is one of the core test parameters in cable damped AC tests. However

the current dielectric loss factor test accuracy under damped AC conditions is relatively low (only about 1×10

-3

level)

which cannot meet the requirements of on-site tests. This study proposes a high-accuracy dielectric loss factor test method based on all-phase fast Fourier transform (ApFFT) and nonlinear least squares (NLS) algorithm. Compared with traditional methods

it no longer needs to evaluate the error of the damped AC system itself

and the measurement accuracy is improved to 1×10

-4

level. The test process requires simultaneous measurement of damped AC voltage and current signals. A test system that can minimize theoretical phase error has been developed

avoiding the risk of ground voltage rise caused by breakdown of the test object. The accuracy of the test method and the robu

stness of the algorithm have been verified through simulation and experiments

meeting the on-site high-precision dielectric loss detection requirements and providing a more reliable technical means for cable insulation assessment under damped AC voltage.

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references

于志鹏 , 刘亚东 , 严英杰 , 等 . 积水环境下的中压电缆接头早期故障特征分析与识别逻辑 [J/OL ] . 高电压技术 : 1 - 13 [ 2025-09-04 ] . https://doi.org/10.13336/j.1003-6520.hve.20240882 https://doi.org/10.13336/j.1003-6520.hve.20240882 .

YU Zhipeng , LIU Yadong , YAN Yingjie , et al . Incipient Fault Characteristics Analysis and Identification Strategy of Medium Voltage Cable Joint in Water-Logged Environment [J/OL ] . High Voltage Engineering : 1 - 13 [ 2025-09-04 ] . https://doi.org/10.13336/j.1003-6520.hve.20240882 https://doi.org/10.13336/j.1003-6520.hve.20240882 .

袁豪 , 周凯 , 李原 , 等 . 基于SPDMD算法的XLPE电缆介质响应参数辨识 [J ] . 高电压技术 , 2023 , 49 ( 08 ): 3544 - 3553 .

YUAN Hao , ZHOU Kai , LI Yuan , et al . Parameters Identification for Dielectric Response of XLPE Cable Insulation Based on SPDMD Algorithm [J ] . High Voltage Engineering , 2023 , 49 ( 08 ): 3544 - 3553 .

赵书静 , 龚梁涛 , 詹博博 , 等 . 电缆局部缺陷的步进频连续波定位方法 [J ] . 高电压技术 , 2023 , 49 ( 05 ): 2121 - 2130 .

ZHAO Shujing , GONG Liangtao , ZHAN Bobo , et.al . Location Method for Local Defects of Cable Based on Stepped Frequency Continuous Wave Technology [J ] . High Voltage Engineering , 2023 , 49 ( 05 ): 2121 - 2130 .

DAI Dongxue , LI Yi , WANG Jiafu , et al . Bilateral comparison of high-voltage capacitance and dielectric dissipation factor at 50 Hz [J ] . IEEE Transactions on Instrumentation and Measurement , 2023 , 72 ( 1 ): 1 - 8 .

AADIL Jamshed , NASIRUL Haque . Assessment of moisture content in XLPE insulation of power cable using dissipation factor measurements . // 2023 International Conference for Advancement in Technology (ICONAT) , Goa, India : IEEE , 2023 : 1 - 4 .

A. K. Pradhan , B. Chatterjee , and S. Chakravorti . Estimation of paper moisture content based on dielectric dissipation factor of oil-paper insulation under non-sinusoidal excitations [J ] . IEEE Transactions on Dielectrics and Electrical Insulation , 2015 , 22 ( 2 ): 822 - 830 .

ABBAS Ghaderi , ALESSANDRO Mingotti , FILIPPO Lama , et al . Effects of temperature on MV cable joints tan delta measurements [J ] . IEEE Transactions on Instrumentation and Measurement , 2019 , 68 ( 10 ): 3892 - 3898 .

CHANDAN Kumar Chakrabarty , A. R. Avinash , and A. G. Ahmad Basri . Development of high frequency tan delta measurement method for 132kV transmission underground cables [C ] . // 2014 IEEE 2nd International Symposium on Telecommunication Technologies (ISTT) , Langkawi, Malaysia : IEEE , 2014 : 436 - 441 .

IEEE guide for field testing of shielded power cable systems using very low frequency (VLF) (less than 1 Hz): IEEE Std 400.2-2013 [S ] . 2013 .

IEEE Guide for field testing of shielded power cable systems rated 5 kV and above with damped alternating current ( DAC ) voltage: IEEE Std 400.4-2015 [S ] . 2016 .

E. Gulski , J. J. Smit , P. Seitz , et al . “ PD measurements on-site using oscillating wave test system [C ] . Conference Record of the 1998 IEEE International Symposium on Electrical Insulation , Arlington, VA, USA : IEEE , 1998 : 420 - 423 .

李必春 , 宋守龙 . 电容分压器中压端对地绝缘电阻对tanδ测量值的影响 [J ] . 电力电容器与无功补偿 , 2018 , 39 ( 06 ): 71 - 74 .

LI Bichun , SONG Shoulong . Influence of Ground Insulation Resistance of Medium Terminal of Capacitive Divider on tanδ Measurement [J ] . Power Capacitor & Reactive Power Compensation , 2018 , 39 ( 06 ): 71 - 74 .

G. A. Kyriazis . Calibration of high-voltage current-comparator-based capacitance and dissipation factor bridges using nonsynchronous sampling [J ] . IEEE Transactions on Instrumentation and Measurement , 2009 , 58 ( 4 ): 1029 - 1034 .

E. Kuffel , W.S. Zaengl , and J. Kuffel . High voltage engineering fundamentals [M ] . Britain Oxford : Butterworth-Heinemann , 2000 .

王永 , 滕召胜 , 李建闽 , 等 . 基于采样序列重构的高精度介质损耗角测量方法 [J ] . 电工技术学报 , 2018 , 33 ( 23 ): 5607 - 5615 .

WANG Yong , TENG Zhaosheng , LI Jianmin , et al . High Accuracy Dielectric Loss Angle Measurement Method Based on Sampling Sequence Reconstruction, Transactions of China Electrotechnical Society [J ] . 2018 , 33 ( 23 ): 5607 - 5615 .

左自强 , 徐阳 , 曹晓珑 , 等 . 计算电容型设备介质损耗因数的相关函数法的改进 [J ] . 电网技术 , 2004 , ( 18 ): 53 - 57 .

ZUO Ziqiang , XU Yang , CAO Xiaolong , et al . Improvement to Correlation Algorithm for Dielectric Dissipation Factor Calculation of Capacitance Equipment [J ] . Power System Technology , 2004 ,( 18 ): 53 - 57 .

金涛 , 陈毅阳 , 游胜强 . 基于Nuttall窗-五点变换的改进FFT介质损耗角测量算法 [J ] . 电工技术学报 , 2015 , 30 ( S2 ): 7 - 15 .

JIN Tao , CHEN Yiyang , YOU Shengqiang . An Improved FFT Algorithm for Dielectric Loss Angle Based on Nuttall Window and Five-Point Polynomial Transform, Transactions of China Electrotechnical Society [J ] , 2015 , 30 ( S2 ): 7 - 15 .

R. Houtepen , L. Chmura , J. J. Smit , et al . Estimation of dielectric loss using damped AC voltages [J ] . Electrical Insulation Magazine , 2011 , 27 ( 3 ): 20 - 25 .

黄翔东，王兆华 . 全相位数字谱分析方法 [M ] , 北京 : 科学出版社 , 2016 .

HUANG Xiangdong ， WANG Zhaohua . All-phase digital spectral analysis method [M ] . Beijing, China : Science Press , 2016 .

刘刚 , 李瑞 , 张圆明 , 等 . 循环老化下电缆绝缘介损特征及在线监测修正方法 [J ] . 电力科学与技术学报 , 2025 , 40 ( 01 ): 274 - 280 .

LIU Gang , LI Rui , ZHANG Yuanming , et al . Dielectric loss characteristics and online monitoring correction methods of cable insulation under cyclic aging [J ] . Journal of Electric Power Science and Technology , 2025 , 40 ( 1 ): 274 - 280 .

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