CN106099410A - Long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method - Google Patents
Long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method Download PDFInfo
- Publication number
- CN106099410A CN106099410A CN201610495447.XA CN201610495447A CN106099410A CN 106099410 A CN106099410 A CN 106099410A CN 201610495447 A CN201610495447 A CN 201610495447A CN 106099410 A CN106099410 A CN 106099410A
- Authority
- CN
- China
- Prior art keywords
- extra
- gas pipeline
- high voltage
- high pressure
- long oil
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Abstract
Long oil and gas pipeline high pressure of the present invention/extra-high voltage direct-current interference mitigation system and method relates to a kind of system and method for alleviating long oil and gas pipeline high pressure/extra-high voltage direct-current interference.Its purpose is to provide a kind of cost-effective long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method.Alleviation system in the present invention includes alleviating groundbed (1), cable (2), intelligent two-way forced electric drainage (3) and controlling reference electrode (4).Remission method in the present invention comprises the steps: that (1) carries out Field Research to the earthing pole of long oil and gas pipeline and high pressure/extra-high voltage DC transmission system；(2) the pipe to soil potential side-play amount of long oil and gas pipeline is tested；(3) according to test result, alleviation system is installed in the bigger position of pipe to soil potential side-play amount；(4) after alleviation system installs, the inspection before booting up, confirm errorless after, start intelligent two-way forced electric drainage.
Description
Technical field
The present invention relates to long oil and gas pipeline field, particularly relate to a kind of for alleviating long oil and gas pipeline high pressure/spy
The system and method for HVDC interference.
Background technology
Along with a series of country such as " with a road ", " Jing-jin-ji region cooperative development " and " Yangtze River Zone " Major Strategic
Proposing, oil and gas pipeline, high pressure/extra high voltage direct current transmission line have stepped into the large-scaled construction period.Defeated with high-voltage alternating
Electric line is different, and high pressure/extra-high voltage DC transmission system comprises direct current grounding pole, and has bipolar operation and monopolar operation two kinds fortune
Line mode.
Under normal circumstances, high pressure/extra-high voltage DC transmission system uses bipolar operation.The bipolar method of operation be utilize positive and negative
Two polar conductors are connected with the positive and negative polarities of two ends current conversion station, constitute DC loop.Time properly functioning, the path of DC current is just
Negative two polar curves.But in actual motion, often there is certain difference in the size of current in positive and negative polarities line, thus causes part
Electric current from forward earthing pole through too greatly flowing back to negative sense earthing pole.If there is long oil and gas pipeline near earthing pole, then can be to pipe
Road causes DC influence.When high pressure/extra high voltage direct current transmission line breaks down, then can automatically turn on monopolar operational mode.
In the case of monopolar operation, a wire and the earth constitute the one pole loop of direct current.Direct current is equivalent to greatly defeated under this mode
A piece wire of electric line, flows through its running current that electric current is DC transmission engineering, therefore enters ground stray electrical current numerical value and is
Output electric current in transmission line of electricity, in real process, this electric current is up to kilo-ampere.This electric current shadow to long oil and gas pipeline
Sound intensity is big, coverage wide, has a strong impact on the properly functioning of buried pipeline cathodic protection system, oil gas length has been significantly greatly increased defeated
The equivalent risk that even explodes is revealed in pipeline anticorrosion coating stripping, hydrogen embrittlement, corrosion.Therefore, long oil and gas pipeline high pressure/extra-high voltage direct-current is done
The alleviation disturbed is very urgent.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cost-effective long oil and gas pipeline high pressure/extra-high voltage direct-current
Interference mitigation system and method, thus reduce long oil and gas pipeline DC influence risk, improve long oil and gas pipeline and neighbouring height
The safety of the communal facilitys such as pressure/extra-high voltage DC transmission system, creates environmental protection, comfortable safe energy source pathway.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation system, including alleviate groundbed, cable,
The two-way forced electric drainage of intelligence and control reference electrode, described alleviation groundbed is by the sun of cable with the two-way forced electric drainage of intelligence
Pole binding post connects, and described long oil and gas pipeline is connected by the cathode terminal of cable forced electric drainage two-way with intelligence, institute
Stating control reference electrode to be connected by the control reference electrode binding post of cable forced electric drainage two-way with intelligence, described intelligence is double
It is connected with cathodic protection station by cable to the cathodic protection station binding post of forced electric drainage.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation system, wherein said alleviation groundbed
Form is horizontal zinc band groundbed, distributed groundbed, deepwell ground bed or grounded screen.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation system, wherein said alleviation groundbed
Material is zinc anode, magnesium anode, zinc-plated band iron or steel scrap pipe.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation system, wherein said control reference electricity
Pole is set to 3, and the control reference electrode binding post of the two-way forced electric drainage of described intelligence is also set to 3, and 3 control reference electrode
Control reference electrode binding post by cable and 3 respectively to connect one to one.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation system, wherein said control reference electricity
The potential fluctuation amplitude of pole is less than ± 5mV.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation method, comprises the steps:
(1) earthing pole of long oil and gas pipeline and high pressure/extra-high voltage DC transmission system is carried out Field Research, understand fully and connect
Relative position, surrounding, earthing pole running parameter, pipeline foundation data and disturbed condition thereof between earth polar and pipeline；
(2) the pipe to soil potential side-play amount of long oil and gas pipeline is tested；
(3) according to test result, it is installed delaying described in any one of claim 1-5 in the bigger position of pipe to soil potential side-play amount
Solution system；
(4) after described alleviation system installs, the inspection before booting up, confirm errorless after, start intelligence bidirectional strength
Electric drainager processed, alleviates system and enters normal operating condition.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation method, in wherein said step (3),
Described alleviation system when mounted, after the selected form alleviating groundbed and material, according to the finding of step (1), to oil gas
Long distance pipeline and earthing pole carry out mathematical modeling and physical modeling, utilize numerical simulation calculation technology to carry out high pressure/extra-high straightening
Drain off the alleviation design disturbed, so that it is determined that alleviate the quantity of groundbed and concrete installation site, according to high pressure/extra-high voltage direct-current interference
Alleviation design result, choose cable and intelligence two-way electric drainager model.
Long oil and gas pipeline high pressure of the present invention/extra-high voltage direct-current interference mitigation system and method has filled up the highest
The blank in pressure/extra-high voltage direct-current interference mitigation field, and it is high to alleviate efficiency, economically feasible, for guarantee long oil and gas pipeline and
The safety of the communal facilitys such as neighbouring high pressure/extra-high voltage DC transmission system has very important significance.Meanwhile, height can also be alleviated
Contradiction between the engineering construction of pressure/extra-high voltage direct-current transmission and long oil and gas pipeline construction.
The invention will be further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of the long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation system；
Fig. 2 is choosing of the long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system mounting location in the present invention
Schematic diagram (transmission system earthing pole is in the seal side being disturbed pipeline)；
Fig. 3 is choosing of the long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system mounting location in the present invention
Schematic diagram (transmission system earthing pole is in the interlude being disturbed pipeline).
Detailed description of the invention
As it is shown in figure 1, the long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system in the present invention includes alleviating ground
Bed 1, cable 2, intelligent two-way forced electric drainage 3 and control reference electrode 4, described alleviation groundbed 1 is two-way with intelligence by cable 2
The anode terminal 8 of forced electric drainage 3 connects, and described long oil and gas pipeline is by cable 2 and the two-way forced electric drainage of intelligence 3
Cathode terminal 6 connects, the described control reference electrode 4 control reference electrode by cable 2 with the two-way forced electric drainage of intelligence 3
Binding post 5 connects, and the cathodic protection station binding post 7 of the two-way forced electric drainage of described intelligence 3 is connected with cathodic protection station by cable 2.
In order to ensure the safety of alleviation system, it is defeated that the nominal load current of cable 2 must be over high pressure/extra-high voltage direct-current
The maximum output current of groundbed 1 is alleviated during the electric discharge of electricity system earth pole.
The form of described alleviation groundbed 1 is horizontal zinc band groundbed, distributed groundbed, deepwell ground bed or grounded screen.Described slow
The material solving groundbed 1 is zinc anode, magnesium anode, zinc-plated band iron or steel scrap pipe.
Described control reference electrode 4 is set to 3, the control reference electrode binding post 5 of the two-way forced electric drainage of described intelligence 3
Also being set to 3,3 are controlled reference electrode 4 and are connected one to one with 3 control reference electrode binding posts 5 by cable 2 respectively.
The potential fluctuation amplitude of described control reference electrode 4 is less than ± 5mV, and the life-span is more than 20 years.
Due to the uncertainty of high pressure/extra-high voltage DC transmission system earthing pole course of discharge, cause being disturbed pipeline section
One position is both it may happen that forward migration is it can also happen that negative offset.Safety can be in order to ensure pipeline above earth potential always
In the range of, intelligent two-way forced electric drainage 3 can automatically carry out the most two-way output according to current potential feedback.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation method, comprises the steps:
(1) earthing pole of long oil and gas pipeline and high pressure/extra-high voltage DC transmission system is carried out Field Research, understand fully and connect
Relative position, surrounding, earthing pole running parameter, pipeline foundation data and disturbed condition thereof between earth polar and pipeline；
(2) the pipe to soil potential side-play amount of long oil and gas pipeline is tested；
(3) according to test result, the long oil and gas pipeline in the present invention is installed in the bigger position of pipe to soil potential side-play amount is high
Pressure/extra-high voltage direct-current interference mitigation system；
(4) after described alleviation system installs, the inspection before booting up, confirm errorless after, start intelligence bidirectional strength
Electric drainager 3 processed, alleviates system and enters normal operating condition.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation method, in wherein said step (3),
Described alleviation system when mounted, after the selected form alleviating groundbed 1 and material, according to the finding of step (1), to oil gas
Long distance pipeline and earthing pole carry out mathematical modeling and physical modeling, utilize numerical simulation calculation technology to carry out high pressure/extra-high straightening
Drain off the alleviation design disturbed, so that it is determined that alleviate the quantity of groundbed 1 and concrete installation site, does according to high pressure/extra-high voltage direct-current
The alleviation design result disturbed, chooses cable 2 and intelligence two-way electric drainager 3 model.
When long oil and gas pipeline and earthing pole are carried out mathematical modeling and physical modeling, be by Beasy software and
CDEGS software realizes, and will the middle result obtained of investigating of step (1) be input in above two software be modeled, and these are two years old
Planting software is the popular software of this area, and specifically used process does not repeats them here.
Long oil and gas pipeline high pressure in the present invention/extra-high voltage direct-current interference mitigation method, in wherein said step (2),
Testing the pipe to soil potential side-play amount of long oil and gas pipeline to determine that system (is i.e. alleviated in the bigger position of pipe to soil potential side-play amount
Installation site) time, if transmission system earthing pole changes with the relative position being disturbed pipeline, then pipe to soil potential is inclined
The bigger position of shifting amount also can correspondingly change.
As in figure 2 it is shown, when transmission system earthing pole is in the seal side being disturbed pipeline, test obtains pipe ground
Current potential edge is disturbed the Changing Pattern of pipeline mileage, and this Changing Pattern is applicable to the situation of transmission system earthing pole cathodic discharge,
It is disturbed pipeline above earth potential along the line and forward migration or negative offset can occur, and there is the separation in a potential shift direction
A, now need respectively before and after separation a section (respectively A section and B section) the bigger position of pipeline above earth potential side-play amount is (the most such as
B point in Fig. 2 and c point) place's installation alleviation system.
As it is shown on figure 3, when transmission system earthing pole is in the interlude being disturbed pipeline, test obtains pipe to soil potential edge
Being disturbed the Changing Pattern of pipeline mileage, this Changing Pattern is applicable to the situation of transmission system earthing pole cathodic discharge, is disturbed
Pipeline above earth potential along the line also can occur forward migration or negative offset, but unlike upper a kind of situation, now can exist
Two potential shift direction separations, respectively a and b, now need segment pipe (respectively A before and after separation a and b respectively
Section and C section) and both interludes (B section) position that pipeline above earth potential side-play amount is bigger (respectively such as the c point in Fig. 3, d point
And e point) alleviation system is installed.
High pressure in the present invention/extra-high voltage direct-current remission method is applicable to the high pressure/extra-high voltage direct-current of long oil and gas pipeline
The alleviation of interference.Before carrying out high pressure/extra-high voltage direct-current and alleviating, first pipeline and high pressure/extra-high voltage DC transmission system are connect
Earth polar carries out detailed Field Research, understands fully the relative position between earthing pole and pipeline, surrounding, earthing pole work ginseng
Number, pipeline foundation data and disturbed condition thereof etc..If earthing pole is in the seal side being disturbed pipeline, as described in Figure 2,
Now needing according to field test data, in the bigger position of pipe to soil potential side-play amount, (the b point in respectively such as Fig. 2 and c point) is carried out
The alleviation design of high pressure/extra-high voltage direct-current interference.If earthing pole is in the interlude of disturbed pipeline, as it is shown on figure 3, now need
Will be according to fieldtesting results, in the bigger position of pipe to soil potential side-play amount, (c point, d point and e point in respectively Fig. 3) is carried out
The alleviation design of high pressure/extra-high voltage direct-current interference.The design of high pressure/extra-high voltage direct-current interference includes the choosing alleviating groundbed 1 form
Select, alleviate the choosing of groundbed material, alleviate groundbed quantity and the determination of installation site, cable 2 and intelligent two-way electric drainager 3 model
Selection etc..
The selection of wherein said alleviation groundbed 1 form needs to consider pipeline local environment and difference alleviates groundbed 1
Remission effect；Alleviate choosing of groundbed 1 material to need to combine projected life and economy two aspect alleviating groundbed 1.Selected slow
After solving groundbed 1 form and material, according to fieldtesting results, carry out mathematical modeling and physical modeling, utilize numerical simulation calculation
Technology carries out the alleviation design of high pressure/extra-high voltage direct-current interference, so that it is determined that alleviate the quantity of groundbed 1, concrete installation site.With
Time, according to high pressure/extra-high voltage direct-current interference mitigation design result, choose cable 2 and the model of the two-way electric drainager of intelligence 3.Then,
Construct according to mitigation scheme.After alleviation groundbed 1 has been constructed, groundbed 1 will be alleviated by cable 2 and intelligence two-way pressure row
The anode terminal 8 of stream device 3 connects, by the long oil and gas pipeline cathode connection by cable 2 with the two-way forced electric drainage of intelligence 3
Post 6 connects, and is connected controlling reference electrode 4 by the control reference electrode binding post 5 of cable 2 with the two-way forced electric drainage of intelligence 3
Connect, the cathodic protection station binding post 7 of intelligent two-way forced electric drainage 3 is connected with cathodic protection station by cable 2.After having connected,
Inspection before booting up.Check errorless after, open intelligent two-way forced electric drainage 3, carry out high pressure/extra-high voltage direct-current and alleviate system
That unites is properly functioning.
Long oil and gas pipeline high pressure/extra-high voltage direct-current the interference mitigation in the present invention is elaborated below by an example
Method:
1) oil pipeline of a segment length 50km, buried depth 3m, 3PE corrosion-inhibiting coating, wall thickness is found through early stage Field Research
10mm, suffers ± the interference of 500kV HVDC transmission system, HVDC transmission line earthing pole diameter 1km, is in this pipe
Mileage 3km position, road, is 5km away from pipeline vertical dimension, maximum discharge current 4.2kA, within 1 year, discharges 10 times, and electric discharge 1 is little every time
Time.Test pipeline pipe to soil potential side-play amount after obtain the bigger position of pipe to soil potential side-play amount be in pipeline mileage 3km at
At 20km；
2) according to fieldtesting results, at pipeline mileage 3km and at 20km, HVDC is installed and alleviates system.Due to pipe
Road is in mountain area along the line, is difficult to excavation, tentatively chooses deepwell ground bed, groundbed material selection mixed-metal oxides (MMO) anode；
3) according to Field Research result, pipeline and HVDC transmission line earthing pole are carried out mathematical modeling and physics is built
Mould, utilizes numerical simulation calculation technology to carry out the design calculating alleviating groundbed；
4) according to digital-to-analogue result of calculation, at pipeline mileage 3km, 7 mouthfuls of deep-wells, well depth 100m, active length (i.e. sun are made a call to
Pole length) 70m, diameter 30mm；5 mouthfuls of deep-wells, well depth 80m, active length 50m, diameter 30mm is made a call at 20km；
5) choosing YJV 12/20kV 1 × 70mm2 cable, its rated voltage is 12/20kV；Choose intelligent two-way pressure row
Stream device constant potential output span of control is-10V～10V, and Constant current output span of control is-100A～100A, uses 3 controls
The intelligent control algorithm of reference electrode integrative feedback processed realizes two-way output；The control reference electrode life-span chosen is 20 years, electricity
Position fluctuation amplitude is ± 5mV；
6), after selected good equipment, purchase according to material list；
7) according to design, at pipeline mileage 3km, carry out the construction of deepwell ground bed respectively with 20km, construct complete
After, carry out line according to Fig. 1: with cable 2, alleviation groundbed 1 is connected to the anode terminal 8 of intelligent two-way forced electric drainage 3；
With cable 2, pipeline is connected to the cathode terminal 6 of intelligent two-way forced electric drainage 3；With cable, cathodic protection station is connected to intelligence
The cathodic protection station binding post 7 of the two-way forced electric drainage 3 of energy；3 are controlled reference electrode 4 two-way with intelligence by cable 2 respectively
3 control reference electrode binding posts 5 of forced electric drainage 3 connect one to one；
8) after connecting, the inspection before booting up.Confirm errorless after, start intelligent two-way forced electric drainage 3, enter
The normal service stage.
In order to ensure communal facility and the safety of personnel such as long oil and gas pipeline and neighbouring high pressure/system for ultra-high voltage transmission,
The present invention has used for reference the mitigation technique of conventional DC interference, it is proposed that delaying of long oil and gas pipeline high pressure/extra-high voltage direct-current interference
Solution technology.Although the mitigation technique that this high pressure/extra-high voltage direct-current interference mitigation technological borrowing is disturbed in conventional DC, but its technology
Require entirely different with the alleviation of conventional DC interference.Choosing of this high pressure/extra-high voltage direct-current interference mitigation device installation site
Tightened up compared with conventional DC interference, its type alleviating groundbed and groundbed material are more diversified, and its drainage equipment must have
The function of the most two-way standby output.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention
Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (7)
1. long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system, it is characterised in that: include alleviate groundbed (1),
Cable (2), intelligent two-way forced electric drainage (3) and control reference electrode (4), described alleviation groundbed is two-way with intelligence by cable
The anode terminal (8) of forced electric drainage connects, and described long oil and gas pipeline is by cable and the two-way forced electric drainage of intelligence
Cathode terminal (6) connects, and described control reference electrode is by the control reference electrode of cable with the two-way forced electric drainage of intelligence
Binding post (5) connects, and the cathodic protection station binding post (7) of the two-way forced electric drainage of described intelligence is by cable with cathodic protection station even
Connect.
Long oil and gas pipeline high pressure the most according to claim 1/extra-high voltage direct-current interference mitigation system, it is characterised in that:
The form of described alleviation groundbed (1) is horizontal zinc band groundbed, distributed groundbed, deepwell ground bed or grounded screen.
Long oil and gas pipeline high pressure the most according to claim 2/extra-high voltage direct-current interference mitigation system, it is characterised in that:
The material of described alleviation groundbed (1) is zinc anode, magnesium anode, zinc-plated band iron or steel scrap pipe.
Long oil and gas pipeline high pressure the most according to claim 3/extra-high voltage direct-current interference mitigation system, it is characterised in that:
Described control reference electrode (4) is set to 3, and control reference electrode binding post (5) of the two-way forced electric drainage of described intelligence (3) is also
Being set to 3,3 are controlled reference electrode and are connected one to one with 3 control reference electrode binding posts by cable (2) respectively.
Long oil and gas pipeline high pressure the most according to claim 4/extra-high voltage direct-current interference mitigation system, it is characterised in that:
The potential fluctuation amplitude of described control reference electrode (4) is less than ± 5mV.
6. long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation method, it is characterised in that comprise the steps:
(1) earthing pole of long oil and gas pipeline and high pressure/extra-high voltage DC transmission system is carried out Field Research, understand fully earthing pole
And relative position, surrounding, earthing pole running parameter, pipeline foundation data and the disturbed condition thereof between pipeline；
(2) the pipe to soil potential side-play amount of long oil and gas pipeline is tested；
(3) according to test result, in pipe to soil potential side-play amount bigger position, the alleviation system described in any one of claim 1-5 is installed
System；
(4) after described alleviation system installs, the inspection before booting up, confirm errorless after, start intelligent two-way pressure row
Stream device, alleviates system and enters normal operating condition.
Long oil and gas pipeline high pressure the most according to claim 6/extra-high voltage direct-current interference mitigation method, it is characterised in that:
In described step (3), described alleviation system when mounted, after the selected form alleviating groundbed and material, according to the tune of step (1)
Grind result, long oil and gas pipeline and earthing pole are carried out mathematical modeling and physical modeling, utilize numerical simulation calculation technology to carry out
The alleviation design of high pressure/extra-high voltage direct-current interference, so that it is determined that alleviate the quantity of groundbed and concrete installation site, according to high pressure/
The alleviation design result of extra-high voltage direct-current interference, chooses cable and intelligence two-way electric drainager model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495447.XA CN106099410B (en) | 2016-06-29 | 2016-06-29 | Long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495447.XA CN106099410B (en) | 2016-06-29 | 2016-06-29 | Long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106099410A true CN106099410A (en) | 2016-11-09 |
| CN106099410B CN106099410B (en) | 2019-01-25 |
Family
ID=57213944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610495447.XA Expired - Fee Related CN106099410B (en) | 2016-06-29 | 2016-06-29 | Long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106099410B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805816A (en) * | 2017-10-25 | 2018-03-16 | 中国石油工程建设有限公司 | A kind of automatic frequency-conversion cathodic protection station prosecutor method for being used to suppress subway DC influence |
| CN112054460A (en) * | 2020-08-07 | 2020-12-08 | 深圳供电局有限公司 | Tower system |
| CN113701062A (en) * | 2020-05-21 | 2021-11-26 | 中国石油天然气股份有限公司 | Monitoring method and monitoring device for oil and gas stealing during drilling of oil and gas pipeline |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202030825U (en) * | 2011-03-28 | 2011-11-09 | 天津市管道工程集团有限公司 | Deep well anode/cathode protection device for protecting embedded steel pipeline |
| CN103899883A (en) * | 2014-04-03 | 2014-07-02 | 中国石油集团工程设计有限责任公司 | Oil and gas pipeline comprehensive protection method for high-voltage direct-current grounding electrode interference |
| CN104674228A (en) * | 2015-02-02 | 2015-06-03 | 深圳市燃气集团股份有限公司 | Detection method for cathode protection of directionally drilled and crossed pipeline |
| CN104894571A (en) * | 2015-06-03 | 2015-09-09 | 青岛雅合阴保工程技术有限公司 | Cathode protection power supply device with electric drainage function and operating method of cathode protection power supply device |
-
2016
- 2016-06-29 CN CN201610495447.XA patent/CN106099410B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202030825U (en) * | 2011-03-28 | 2011-11-09 | 天津市管道工程集团有限公司 | Deep well anode/cathode protection device for protecting embedded steel pipeline |
| CN103899883A (en) * | 2014-04-03 | 2014-07-02 | 中国石油集团工程设计有限责任公司 | Oil and gas pipeline comprehensive protection method for high-voltage direct-current grounding electrode interference |
| CN104674228A (en) * | 2015-02-02 | 2015-06-03 | 深圳市燃气集团股份有限公司 | Detection method for cathode protection of directionally drilled and crossed pipeline |
| CN104894571A (en) * | 2015-06-03 | 2015-09-09 | 青岛雅合阴保工程技术有限公司 | Cathode protection power supply device with electric drainage function and operating method of cathode protection power supply device |
Non-Patent Citations (1)
| Title |
|---|
| 毕武喜等: "高压直流输电线路对埋地金属管道干扰连续监测及分析", 《中国电机工程学会电磁干扰专业委员会第十三届学术会议论文集》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805816A (en) * | 2017-10-25 | 2018-03-16 | 中国石油工程建设有限公司 | A kind of automatic frequency-conversion cathodic protection station prosecutor method for being used to suppress subway DC influence |
| CN107805816B (en) * | 2017-10-25 | 2018-12-07 | 中国石油工程建设有限公司 | It is a kind of for inhibiting the automatic frequency-conversion cathodic protection station prosecutor method of subway DC influence |
| CN113701062A (en) * | 2020-05-21 | 2021-11-26 | 中国石油天然气股份有限公司 | Monitoring method and monitoring device for oil and gas stealing during drilling of oil and gas pipeline |
| CN113701062B (en) * | 2020-05-21 | 2023-11-28 | 中国石油天然气股份有限公司 | Method and device for monitoring perforation and oil and gas theft of oil and gas pipeline |
| CN112054460A (en) * | 2020-08-07 | 2020-12-08 | 深圳供电局有限公司 | Tower system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106099410B (en) | 2019-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jorge et al. | Grid infrastructure for renewable power in Europe: The environmental cost | |
| CN203320127U (en) | Buried pipeline cathode protection system of long-distance pipeline process station | |
| CN202030825U (en) | Deep well anode/cathode protection device for protecting embedded steel pipeline | |
| CN106099410A (en) | Long oil and gas pipeline high pressure/extra-high voltage direct-current interference mitigation system and method | |
| Gu et al. | Negative resistance converter traction power system for reducing rail potential and stray current in the urban rail transit | |
| Mejia et al. | Multistage planning model for active distribution systems and electric vehicle charging stations considering voltage-dependent load behavior | |
| CN107893231B (en) | The means of defence of limitation direct current grounding pole corrosion buried metal pipeline and buried system | |
| CN107145969A (en) | A kind of development zone distribution network planning method and system | |
| CN104966137A (en) | Smart power grid project optimizing method | |
| Aylott et al. | Impact and management of stray current on DC rail systems | |
| Kulpa | Kami nski | |
| Sawma et al. | Electromagnetic induction in pipelines due to overhead high voltage power lines | |
| Sibiya et al. | Smart system for impressed current cathodic protection running on hybrid renewable energy | |
| Shaalan et al. | Cathodic protection performance improvement of metallic pipelines based on different DC compensation methods | |
| CN110819994A (en) | Forced current cathodic protection method for tank bottom outer wall under impermeable membrane condition | |
| Sijabat et al. | Solar power plant in Indonesia: economic, policy, and technological challenges to its development and deployment | |
| RU2584834C2 (en) | Method for combined protection of metal structures from lightning discharges and electrochemical corrosion | |
| Wuxi et al. | HVDC interference to buried pipeline: numerical modeling and continuous P/S potential monitoring | |
| RU2650551C2 (en) | Industrial hydrocarbon fuel combustion objects protection method against gross discharges and electrochemical corrosion of conducting steel underground facilities for hydrocarbon fuel on industrial objects | |
| CN104483578B (en) | It is a kind of to assess the method that D.C. magnetic biasing influences on power system grounded screen | |
| Ginarsa et al. | Regulation of 12-pulse Rectifier Converter using ANFIS-based Controller in a HVDC Transmission System | |
| CN205622213U (en) | Cable outward appearance stray current protector based on initiatively reduce current potential | |
| CN105019547A (en) | Novel inspection well lid | |
| Fieltsch et al. | Mitigation of arcing risks to pipelines due to phase-to-ground faults at adjacent transmission powerline structures | |
| CN111945169A (en) | Complete skid-mounted equipment for regional cathodic protection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20190629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |