1、 2019 瓷 支 柱 绝 缘 子 智 能 带 电 检 测 装 置 研 制 与 应 用 庄建煌，彭健，林俊超 国网福建省电力有限公司莆田供电公司，福建 莆田 351100 Development and Application of Intelligent Live Detection Device for Porcelain Post Insulator Zhuang Jianhuang,Peng Jian,Lin Junchao State Grid Fujian Electric Power Co.,Ltd.Putian Power Supply Company,Putian,35110
2、0,China 摘要：关键词：ABSTRACT:In this paper,by studying the load and vibration form of porcelain post insulators,it is concluded that the natural vibration frequency of porcelain post insulators can be used to qualitatively evaluate the state of porcelain post insulators.Based on this theory,an intelligen
3、t live detection device for porcelain post insulators is developed.The field test results of the device show that the intelligent electric insulator device can meet the demand of electric and real time inspection,and can effectively improve the convenience and reliability of the insulators state det
4、ection.KEY WORD:Porcelain post insulator;Live detection;Natural vibration frequency;Intelligent device;Development and application 1 引言 1-3 1 220kV C 220 220 图 1 220kV 旁母隔离开关绝缘子断裂后脱落示意图 Fig.1 Sketch map of insulator of 220kV pass-by bus isolating switch fall off after breaking 2603 C 10-12 2 2019 7-
5、9 5-6 2 智 能 带 电 检测 瓷 支 柱 绝 缘 子 的 装 置理 论 基 础 2.1 瓷支柱绝缘子机械应力型式分析 13-14 1 Jr P P aWP P a+=+=)()(2 1 2 1(1-1)a P1+P2 J r 2 pILr P2=(1-2)P2Lr r Ip(1-1)(1-2)(,r I I a L P fpi i i i i=(1-3)pi Li ai Ii Ipi r 2.2 瓷支柱绝缘子振动型式分析 1),()(222222t x qtwFxwEIdx=+(1-4)w t F q(x,t)2),()(22t x qtuFxuEFx=+(1-5)u t E F q(
6、x,t)3),(),()(2222t xtIxt xtIxGIxGIxpp kk=(1-6)x t G Ik(Ip)(x,t)(1-4)(1-5)(1-6),(,G E F I I r a fp i i=(1-7)ai ri Ip I E G(1-3)(1-7)2.3 瓷支柱绝缘子极限载荷分析 15-17 2019 LrIP=(1-8)P L r I/22EILKii=(1-9)K L E I 20 1-10 0120101iiIIPP=(1-10)P0 P1 I0 I1 i 0 i 1 i(i=1,2,)(1-10)(1-10)01012010101iippIIFFIIPP=(1-11)1-
7、11 0F 1F Ip0 Ip1(1-11)2.4 瓷支柱绝缘子状态与自身频率关系 18-19 1-10kHz 2 3 图 2 实验激励的随机振动信号 Fig.2 The test s random vibration signal 图 3 数字化技术处理后的瓷支柱绝缘子响应频谱 Fig.3 Porcelain post i n s u l a t o r s response spectrum after digital technology processing 1 表 1 瓷支柱绝缘子检测值区间判断表 Tab.1 Judgment table for the detection valu
8、e interval of porcelain post insulator 瓷支柱 绝缘子 状态 激励 能量（MW）激励 振幅 响应 频率（kHz）正常 0.5 满足前后振幅对称均匀 3-7 瓷 支柱绝缘子串上半部异常 0.5 满足前后振幅对称均匀 7 瓷支柱绝缘子串下半部异常 0.5 满足前后振幅对称均匀 3 2019 1 4 5 6 图 4 检测频率值在 3-7kHz 区 间内正常频谱示意图 Fig.4 The normal spectrum of the detection frequency value between 3-7 kHz 图 5 检测频率值在小于 3kHz 区间内异常频
9、谱示意图 Fig.5 The abnormal spectrum of the detection frequency value less than 3 kHz 图 6 检测频率值在大于 7kHz 区间内异常频谱示意图 Fig.6 The abnormal spectrum of the detection frequency value higher than 3 kHz 3 瓷 支 柱 绝 缘 子 智 能 带 电 检 测 装 置 研制 3.1 激励源：随机振动激发器 1-10kHz 3.2 1 10kHz 10 kHz 3.3 结果分析：用来分析检测结果的软件包 4 瓷 支 柱 绝 缘
10、子 智 能 带 电 检 测 装 置 4.1 瓷支柱绝缘子智能带电检测装置实物 7 图 7 瓷支柱绝缘子智能带电检测装置示意图 Fig.7 Sketch map of intelligent charging detection device for porcelain post insulator 4.2 瓷支柱绝缘子智能带电检测装置参数 1 110kV-220kV 2 3)50kHz/s 4)327.68ms 5)+8 6)7)30m/s2 8)0.2-15kHz 2019 9)0.001 10)1.6pc/mS-2 4.3 瓷支柱绝缘子智能带电检测装置使用 8 图 8 瓷支柱绝缘子智能带电
11、检测装置测试 Fig.8 The test of intelligent charging detection device for porcelain post insulator 4.4 瓷支柱绝缘子智能带电检测装置成效 220kV 220kV 220kV 220kV 3 19 4.5 瓷支柱绝缘子智能带电检测装置性能 1 2 3 4 5 10-15 6 5 结 束 语 参 考 文 献 1 J 2016(05)35-38 2 J 2013 28(12)130-135 3 J 2019 60(02)6-9 4 J 2010 46(02)15-19 5 J 2013(02)70-71 6 J
12、2017(12)197-198+201 7,.J.,2018(28):33-35.8.D.2019,2017.9.D.,2016.10,.J.,2016(05):35-38.11,.500kV GIL J.,2019(03):221-227.12,.J.,2019,55(06):124-130.13,.J/OL.:1-82019-07-17.14,SF_6 J.,2019,2(02):194-200.15Kamran Behnia,Aharon Kapitulnik.A lower bound to the thermal diffusivity of insulatorsJ.Journal
13、of Physics:Condensed Matter,2019,31.16,.J.,2019,24(01):21-25.17,.J.,2019(06):186+188.18P.H.V.Rocha,E.G.Costa,A.R.Serres,G.V.R.Xavier,J.E.B.Peixoto,R.L.Lins.Inspection in overhead insulators through the analysis of the irradiated RF spectrumJ.International Journal of Electrical Power and Energy Systems,2019,113.19,J.,2018(06):138-144.20,.500 kV J.,2017,14(17):24+26.作者简 介：1974-:1989:1992:
