CS226728B2 - Circuitry for disconnecting protective earthing inbuilt in cathodic protective systems - Google Patents
Circuitry for disconnecting protective earthing inbuilt in cathodic protective systemsInfo
- Publication number
- CS226728B2 CS226728B2 CS54881A CS54881A CS226728B2 CS 226728 B2 CS226728 B2 CS 226728B2 CS 54881 A CS54881 A CS 54881A CS 54881 A CS54881 A CS 54881A CS 226728 B2 CS226728 B2 CS 226728B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- protective
- cathodic
- voltage
- disconnecting
- circuit
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title claims description 25
- 238000004210 cathodic protection Methods 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- CLJHABUMMDMAFA-UHFFFAOYSA-N Nylidrin hydrochloride Chemical compound [Cl-].C=1C=C(O)C=CC=1C(O)C(C)[NH2+]C(C)CCC1=CC=CC=C1 CLJHABUMMDMAFA-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/14—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to occurrence of voltage on parts normally at earth potential
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/04—Controlling or regulating desired parameters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU15480A HU184768B (en) | 1980-01-25 | 1980-01-25 | Cathode protection system with centrolled protecting earthing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS226728B2 true CS226728B2 (en) | 1984-04-16 |
Family
ID=10948209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS54881A CS226728B2 (en) | 1980-01-25 | 1981-01-26 | Circuitry for disconnecting protective earthing inbuilt in cathodic protective systems |
Country Status (9)
| Country | Link |
|---|---|
| CS (1) | CS226728B2 (fr) |
| DD (1) | DD157108A1 (fr) |
| DE (1) | DE3101487A1 (fr) |
| HU (1) | HU184768B (fr) |
| PL (1) | PL136214B1 (fr) |
| RO (1) | RO80913A (fr) |
| SE (1) | SE8100408L (fr) |
| SU (1) | SU1130168A3 (fr) |
| YU (1) | YU16481A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4126303C2 (de) * | 1991-08-08 | 1993-10-14 | Gustav Peez | Verfahren und Vorrichtung für den kathodischen Korrosionsschutz von erdverlegten Rohrleitungen und von erdverlegten Stahlbauwerken und Tanks |
-
1980
- 1980-01-25 HU HU15480A patent/HU184768B/hu not_active IP Right Cessation
-
1981
- 1981-01-19 DE DE19813101487 patent/DE3101487A1/de not_active Withdrawn
- 1981-01-22 YU YU16481A patent/YU16481A/xx unknown
- 1981-01-23 DD DD22717081A patent/DD157108A1/de not_active IP Right Cessation
- 1981-01-23 SE SE8100408A patent/SE8100408L/ not_active Application Discontinuation
- 1981-01-23 PL PL22937081A patent/PL136214B1/pl unknown
- 1981-01-23 RO RO81103193A patent/RO80913A/fr unknown
- 1981-01-23 SU SU813236552A patent/SU1130168A3/ru active
- 1981-01-26 CS CS54881A patent/CS226728B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL229370A1 (fr) | 1981-09-18 |
| YU16481A (en) | 1983-12-31 |
| DD157108A1 (de) | 1982-10-13 |
| SE8100408L (sv) | 1981-07-26 |
| PL136214B1 (en) | 1986-02-28 |
| HU184768B (en) | 1984-10-29 |
| DE3101487A1 (de) | 1981-11-19 |
| RO80913A (fr) | 1983-02-01 |
| SU1130168A3 (ru) | 1984-12-15 |
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