CN203700526U - Impressed current protection system - Google Patents
Impressed current protection system Download PDFInfo
- Publication number
- CN203700526U CN203700526U CN201320859691.1U CN201320859691U CN203700526U CN 203700526 U CN203700526 U CN 203700526U CN 201320859691 U CN201320859691 U CN 201320859691U CN 203700526 U CN203700526 U CN 203700526U
- Authority
- CN
- China
- Prior art keywords
- impressed
- control device
- protection system
- current protection
- protection control
- 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.)
- Expired - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004210 cathodic protection Methods 0.000 abstract 3
- 238000009413 insulation Methods 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000001357 Galvanic etching Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model discloses an impressed current protection system suitable for an electric transmission line tower grounding device. The impressed current protection system comprises a line tower, a grounding device, a power supply, a cathodic protection control device, an insulation wire, an auxiliary anode and a reference electrode, wherein the power supply and the cathodic protection control device are both fixed in the tower body of the line tower, and the insulation wire is fixed to the line tower and used for connecting the cathodic protection control device to the auxiliary anode, the reference electrode and the grounding device. By virtue of the impressed current protection system disclosed by the utility model, the corrosion protection on the grounding device can be carried out in efficient, safe and reliable manner.
Description
Technical field
The utility model relates to transmitting line technical field, relates in particular to a kind of impressed-current protection system that is applicable to electric power line pole tower grounding device.
Background technology
Because the grounding device of electric power line pole tower is embedded in soil for a long time, soil can produce galvanic etching to grounding device.In addition, in HVDC transmission system, when the working current of straight-flow system or unbalanced current are flowed through the earth by direct current grounding pole, yet can produce infection to the grounding device of the electric power line pole tower of earthing pole periphery.General buried grounding device uses and within several years, just there will be afterwards many places corrosion, local rust disconnected, even the many places disconnected situation of becoming rusty.The tower grounding causing due to grounding device corrosion not good general has a strong impact on the safe and stable operation of power system.
The method of at present, preventing and treating the corrosion of underground hardware mainly contains electro-chemical protection, tectum protection, changes edatope etc.Edatope is protected, changed to the guard method that the grounding device of electric power line pole tower is conventional as main taking tectum.But, this method poor effect, inefficiency, grounding device still can be corroded, and is also not easy to installation and repairing.
Utility model content
Technical problem to be solved in the utility model is, a kind of impressed-current protection system that is applicable to electric power line pole tower grounding device is provided, and efficient, safety, reliably grounding device is carried out to anti-corrosion protection.
In order to solve the problems of the technologies described above, the utility model provides a kind of impressed-current protection system, be exclusively used in the grounding device of electric power line pole tower, comprise overhead line structures, grounding device, power supply, galvanic protection control device, insulated conductor, supplementary anode and reference electrode; Described power supply and described galvanic protection control device are fixed in the tower body of described overhead line structures jointly; Described insulated conductor is fixed on described overhead line structures, for being connected of described galvanic protection control device and described supplementary anode, described reference electrode and described grounding device.
As the improvement of such scheme, described power supply comprises solar cell and/or store battery.
As the improvement of such scheme, described power supply and described galvanic protection control device are fixed on the tower body middle part of described overhead line structures jointly.
As the improvement of such scheme, described galvanic protection control device has three connection terminals, is respectively positive terminal, negative terminal and reference gate terminal.
As the improvement of such scheme, described supplementary anode is embedded in described grounding device around, and is connected with the positive terminal of described galvanic protection control device by described insulated conductor.
As the improvement of such scheme, described supplementary anode adopts flexible titanium matrix material.
As the improvement of such scheme, described reference electrode is embedded in described overhead line structures around, and is connected with the reference gate terminal of described galvanic protection control device by described insulated conductor.
As the improvement of such scheme, described reference electrode is long-effect copper sulfate reference electrode.
As the improvement of such scheme, described grounding device is connected with the negative terminal of described galvanic protection control device by described insulated conductor.
As the improvement of such scheme, described overhead line structures are single loop, double loop or four loops.
Implement the utility model, there is following beneficial effect:
The utility model provides a kind of impressed-current protection system of electric power line pole tower grounding device, can effectively reduce near direct current grounding pole and the corrosion of corroding comparatively serious regional tower grounding device.This system comprises overhead line structures, grounding device, power supply, galvanic protection control device, insulated conductor, supplementary anode and reference electrode; it is independently-powered that it utilizes power supply to carry out; and described galvanic protection control device has remote monitoring and regulatory function; the protection potential of energy Real-Time Monitoring and regulated ground device; and make feedback to galvanic protection module; galvanic protection module is carried out output automatically according to detected potential variation and is regulated; to ensure that grounding device reaches under minimum protective potential, carries out anti-corrosion protection safely and effectively.Therefore, the utility model is installed simple, easy construction, easily maintenance, good economy performance, greatly reduce the erosion rate of tower grounding device, grounding device is not changed in life cycle management, there is the feature of safety, reliable, low-carbon (LC), environmental protection, there is positive effect to building " energy-saving, environment-friendly type " transmitting line.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of impressed-current protection system of the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, the utility model provides a kind of impressed-current protection system, is exclusively used in the grounding device of electric power line pole tower, comprises power supply 1, galvanic protection control device 2, insulated conductor 3, supplementary anode 4, reference electrode 5, grounding device 6 and overhead line structures 7; Described power supply 1 and described galvanic protection control device 2 are fixed in the tower body of described overhead line structures 7 jointly; Described insulated conductor 3 is fixed on described overhead line structures 7, for being connected of described galvanic protection control device 2 and described supplementary anode 4, described reference electrode 5 and described grounding device 6.
Described power supply 1 comprises solar cell and/or store battery.Preferably, described power supply 1 comprises solar cell and store battery, wherein, solar cell converts solar energy into electrical energy, for system power supply, solar cell should make its maximum angle towards the sun while installation, farthest to utilize sun power to be changed into electric energy again.Store battery, can 24 hours stabilizing output currents with guarantee system in order to store electrical energy.
Described galvanic protection control device 2 has remote monitoring and regulatory function; the protection potential of energy Real-Time Monitoring and regulated ground device; and make feedback to galvanic protection module; galvanic protection module is carried out output automatically according to detected potential variation and is regulated; to ensure that grounding device reaches under minimum protective potential, carries out anti-corrosion protection safely and effectively.Described galvanic protection control device 2 has three connection terminals, is respectively positive terminal, negative terminal and reference gate terminal.
Described power supply 1 and described galvanic protection control device 2 are preferably fixed on the tower body middle part of described overhead line structures 7 jointly.
Described insulated conductor 3 has 3, is respectively used to being connected of galvanic protection control device 2 and supplementary anode 4, reference electrode 5 and grounding device 6.Wherein, insulated conductor 3 is preferably fixed on overhead line structures 7 by wire clamp.
Described supplementary anode 4 is embedded in described grounding device 6 around, and is connected with the positive terminal of described galvanic protection control device 2 by described insulated conductor 3.Preferably, described supplementary anode adopts flexible titanium matrix material, but is not limited to this.
Described reference electrode 5 is embedded in described overhead line structures 7 around, and is connected with the reference gate terminal of described galvanic protection control device 2 by described insulated conductor 3.Preferably, described reference electrode is long-effect copper sulfate reference electrode, for standard potential is provided, but is not limited to this.
Described grounding device 6 is conventional tower grounding device, can be arbitrary shape, is the object of protection of impressed-current protection system, is connected with the negative terminal of described galvanic protection control device 2 by described insulated conductor 3.
Described overhead line structures 7 are conventional iron tower of power transmission line, can be single loop, double loop, and four loops etc., for power supply 1 and galvanic protection control device 2 provide support platform.
In sum, the impressed-current protection system of what the utility model provided be applicable to electric power line pole tower grounding device, can effectively reduce near direct current grounding pole and the corrosion of the comparatively serious regional tower grounding device of corrosion.It is independently-powered that this system utilizes sun-generated electric power to carry out, install simple, easy construction, easily maintenance, good economy performance, greatly reduce the erosion rate of tower grounding device, grounding device is not changed in life cycle management, there is the feature of safety, reliable, low-carbon (LC), environmental protection, there is positive effect to building " energy-saving, environment-friendly type " transmitting line.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. an impressed-current protection system, is exclusively used in the grounding device of electric power line pole tower, comprises overhead line structures and grounding device, it is characterized in that, also comprises power supply, galvanic protection control device, insulated conductor, supplementary anode and reference electrode;
Described power supply and described galvanic protection control device are fixed in the tower body of described overhead line structures jointly;
Described insulated conductor is fixed on described overhead line structures, for being connected of described galvanic protection control device and described supplementary anode, described reference electrode and described grounding device.
2. impressed-current protection system as claimed in claim 1, is characterized in that, described power supply comprises solar cell and/or store battery.
3. impressed-current protection system as claimed in claim 1, is characterized in that, described power supply and described galvanic protection control device are fixed on the tower body middle part of described overhead line structures jointly.
4. the impressed-current protection system as described in claim 1,2 or 3, is characterized in that, described galvanic protection control device has three connection terminals, is respectively positive terminal, negative terminal and reference gate terminal.
5. impressed-current protection system as claimed in claim 4, is characterized in that, described supplementary anode is embedded in described grounding device around, and is connected with the positive terminal of described galvanic protection control device by described insulated conductor.
6. impressed-current protection system as claimed in claim 5, is characterized in that, described supplementary anode adopts flexible titanium matrix material.
7. impressed-current protection system as claimed in claim 4, is characterized in that, described reference electrode is embedded in described overhead line structures around, and is connected with the reference gate terminal of described galvanic protection control device by described insulated conductor.
8. impressed-current protection system as claimed in claim 7, is characterized in that, described reference electrode is long-effect copper sulfate reference electrode.
9. impressed-current protection system as claimed in claim 4, is characterized in that, described grounding device is connected with the negative terminal of described galvanic protection control device by described insulated conductor.
10. impressed-current protection system as claimed in claim 1, is characterized in that, described overhead line structures are single loop, double loop or four loops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859691.1U CN203700526U (en) | 2013-12-25 | 2013-12-25 | Impressed current protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859691.1U CN203700526U (en) | 2013-12-25 | 2013-12-25 | Impressed current protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203700526U true CN203700526U (en) | 2014-07-09 |
Family
ID=51050988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320859691.1U Expired - Lifetime CN203700526U (en) | 2013-12-25 | 2013-12-25 | Impressed current protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203700526U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039998A (en) * | 2015-08-20 | 2015-11-11 | 南方电网科学研究院有限责任公司 | Control method for cathode protection of high-voltage direct-current transmission grounding electrodes |
| CN105039999A (en) * | 2015-08-20 | 2015-11-11 | 南方电网科学研究院有限责任公司 | Control method for alternate cathode protection of direct-current transmission grounding electrodes |
| CN105112922A (en) * | 2015-08-10 | 2015-12-02 | 国网天津市电力公司 | Impressed current cathodic protection system for electric grounding device |
-
2013
- 2013-12-25 CN CN201320859691.1U patent/CN203700526U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112922A (en) * | 2015-08-10 | 2015-12-02 | 国网天津市电力公司 | Impressed current cathodic protection system for electric grounding device |
| CN105039998A (en) * | 2015-08-20 | 2015-11-11 | 南方电网科学研究院有限责任公司 | Control method for cathode protection of high-voltage direct-current transmission grounding electrodes |
| CN105039999A (en) * | 2015-08-20 | 2015-11-11 | 南方电网科学研究院有限责任公司 | Control method for alternate cathode protection of direct-current transmission grounding electrodes |
| CN105039999B (en) * | 2015-08-20 | 2018-03-16 | 南方电网科学研究院有限责任公司 | A kind of control method realized to D. C. Electric transmission earthed pole alternating cathodic protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |