CN101343744A - 埋地管道有源去干扰装置 - Google Patents
埋地管道有源去干扰装置 Download PDFInfo
- Publication number
- CN101343744A CN101343744A CNA2008101191636A CN200810119163A CN101343744A CN 101343744 A CN101343744 A CN 101343744A CN A2008101191636 A CNA2008101191636 A CN A2008101191636A CN 200810119163 A CN200810119163 A CN 200810119163A CN 101343744 A CN101343744 A CN 101343744A
- Authority
- CN
- China
- Prior art keywords
- voltage
- buried pipeline
- pipeline
- output
- buried
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000001914 filtration Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims 11
- 239000002689 soil Substances 0.000 claims 9
- 230000000052 comparative effect Effects 0.000 claims 3
- 230000001012 protector Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 9
- 230000004044 response Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000004210 cathodic protection Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010064127 Solar lentigo Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005358 geomagnetic field Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2008101191636A CN100567575C (zh) | 2008-08-28 | 2008-08-28 | 埋地管道有源去干扰装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2008101191636A CN100567575C (zh) | 2008-08-28 | 2008-08-28 | 埋地管道有源去干扰装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101343744A true CN101343744A (zh) | 2009-01-14 |
CN100567575C CN100567575C (zh) | 2009-12-09 |
Family
ID=40245857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2008101191636A Active CN100567575C (zh) | 2008-08-28 | 2008-08-28 | 埋地管道有源去干扰装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100567575C (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103695938A (zh) * | 2013-12-26 | 2014-04-02 | 中国石油大学(北京) | 广义脉冲阴极保护系统及其广义脉冲恒电位仪 |
CN103695937A (zh) * | 2013-12-26 | 2014-04-02 | 中国石油大学(北京) | 广义直流阴极保护系统及其广义直流恒电位仪 |
CN104178770A (zh) * | 2014-08-28 | 2014-12-03 | 中国石油天然气股份有限公司 | 一种埋地管道直流阴极干扰减缓装置 |
CN104216452A (zh) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | 一种埋地管道管地电位过负控制方法及装置 |
CN105780014A (zh) * | 2016-04-29 | 2016-07-20 | 南方电网科学研究院有限责任公司 | 一种埋地管道阴极保护法及阴极保护系统 |
CN105780015A (zh) * | 2016-04-28 | 2016-07-20 | 天津隆顺技术服务有限公司 | 一种复式强制电流阴极保护系统 |
CN105975768A (zh) * | 2016-04-29 | 2016-09-28 | 南方电网科学研究院有限责任公司 | 一种布置埋地管道分段绝缘的方法及装置 |
CN107815690A (zh) * | 2017-12-07 | 2018-03-20 | 中国石油大学(华东) | 一种管道防腐装置 |
CN109066626A (zh) * | 2018-08-28 | 2018-12-21 | 成都中航信虹科技股份有限公司 | 管道的排流方法及排流系统 |
-
2008
- 2008-08-28 CN CNB2008101191636A patent/CN100567575C/zh active Active
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104216452A (zh) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | 一种埋地管道管地电位过负控制方法及装置 |
CN104216452B (zh) * | 2013-06-05 | 2016-06-08 | 中国石油天然气股份有限公司 | 一种埋地管道管地电位过负控制方法及装置 |
CN103695938A (zh) * | 2013-12-26 | 2014-04-02 | 中国石油大学(北京) | 广义脉冲阴极保护系统及其广义脉冲恒电位仪 |
CN103695937A (zh) * | 2013-12-26 | 2014-04-02 | 中国石油大学(北京) | 广义直流阴极保护系统及其广义直流恒电位仪 |
CN103695937B (zh) * | 2013-12-26 | 2015-12-30 | 中国石油大学(北京) | 广义直流阴极保护系统及其广义直流恒电位仪 |
CN103695938B (zh) * | 2013-12-26 | 2016-01-20 | 中国石油大学(北京) | 广义脉冲阴极保护系统及其广义脉冲恒电位仪 |
CN104178770A (zh) * | 2014-08-28 | 2014-12-03 | 中国石油天然气股份有限公司 | 一种埋地管道直流阴极干扰减缓装置 |
CN104178770B (zh) * | 2014-08-28 | 2017-07-07 | 中国石油天然气股份有限公司 | 一种埋地管道直流阴极干扰减缓装置 |
CN105780015A (zh) * | 2016-04-28 | 2016-07-20 | 天津隆顺技术服务有限公司 | 一种复式强制电流阴极保护系统 |
CN105780015B (zh) * | 2016-04-28 | 2018-05-11 | 天津隆顺技术服务有限公司 | 一种复式强制电流阴极保护系统 |
CN105975768A (zh) * | 2016-04-29 | 2016-09-28 | 南方电网科学研究院有限责任公司 | 一种布置埋地管道分段绝缘的方法及装置 |
CN105780014A (zh) * | 2016-04-29 | 2016-07-20 | 南方电网科学研究院有限责任公司 | 一种埋地管道阴极保护法及阴极保护系统 |
CN105975768B (zh) * | 2016-04-29 | 2018-10-16 | 南方电网科学研究院有限责任公司 | 一种布置埋地管道分段绝缘的方法及装置 |
CN107815690A (zh) * | 2017-12-07 | 2018-03-20 | 中国石油大学(华东) | 一种管道防腐装置 |
CN107815690B (zh) * | 2017-12-07 | 2024-02-02 | 中国石油大学(华东) | 一种管道防腐装置 |
CN109066626A (zh) * | 2018-08-28 | 2018-12-21 | 成都中航信虹科技股份有限公司 | 管道的排流方法及排流系统 |
CN109066626B (zh) * | 2018-08-28 | 2019-04-30 | 成都中航信虹科技股份有限公司 | 管道的排流方法及排流系统 |
Also Published As
Publication number | Publication date |
---|---|
CN100567575C (zh) | 2009-12-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100567575C (zh) | 埋地管道有源去干扰装置 | |
CN106385165B (zh) | 一种具有串扰抑制能力的SiC MOSFET驱动电路 | |
CN203800581U (zh) | 一种注入反向电流的变压器直流偏磁抑制装置 | |
CN102510233B (zh) | 多功能电流脉冲发射机控制方法 | |
CN106208734A (zh) | 瞬变电磁勘探系统发射机 | |
CN107895966A (zh) | 弱电网下基于阻抗自适应的电压前馈滞后补偿控制方法 | |
CN103849880B (zh) | 一种基于脉冲宽度调制型阴极保护的方法及其保护装置 | |
CN108258726A (zh) | 一种lcl并网逆变器有源阻尼策略 | |
CN104638970A (zh) | 基于scc-lcl-t谐振网络的单相高频逆变器 | |
CN202359429U (zh) | 一种常压低温等离子体电源装置 | |
CN103695937B (zh) | 广义直流阴极保护系统及其广义直流恒电位仪 | |
CN103695938B (zh) | 广义脉冲阴极保护系统及其广义脉冲恒电位仪 | |
CN205565754U (zh) | 一种三相光伏并网的孤岛检测控制系统 | |
CN110007145B (zh) | 一种基于恒压源变换器和电压电流相位差的谐振点检测方法 | |
CN108110796A (zh) | 一种组件极性接地的光伏发电系统 | |
CN112962101A (zh) | 一种埋地管道用多参比电极恒电位仪及使用方法 | |
CN203840236U (zh) | 一种脉冲电源 | |
CN204190642U (zh) | 基于电流跟踪控制的负载相位调节器 | |
CN109039043A (zh) | 抑制三电平变流器母线中点电位波动的零序分量寻优方法 | |
CN106655848B (zh) | 一种五电平变换器的控制方法 | |
CN109067230A (zh) | 一种SiC MOSFET逆变器用在线自适应死区消除方法 | |
CN104795980B (zh) | 基于变载波spwm方法的直流电压纹波补偿系统及方法 | |
CN115513994A (zh) | 极低漏电流光伏并网逆变器拓扑电路、控制方法及逆变器 | |
CN202353485U (zh) | 一种逆变器 | |
CN208701217U (zh) | 排流装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA CHANGCHUN POWER SU Effective date: 20140730 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Liang Zhishan Inventor after: Zhang Xilin Inventor before: Liang Zhishan |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIANG ZHISHAN TO: LIANG ZHISHAN ZHANG XILIN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140730 Address after: 102249 Beijing city Changping District Road No. 18 China University of Petroleum P.O. Box 260 Patentee after: China University of Petroleum (Beijing) Patentee after: State Grid Corporation of China Patentee after: Changchun Power Supply Company, State Grid Jilin Electric Power Co., Ltd. Address before: 102249 Beijing city Changping District Road No. 18 China University of Petroleum P.O. Box 260 Patentee before: China University of Petroleum (Beijing) |