JPH0247836Y2 - - Google Patents
Info
- Publication number
- JPH0247836Y2 JPH0247836Y2 JP4366386U JP4366386U JPH0247836Y2 JP H0247836 Y2 JPH0247836 Y2 JP H0247836Y2 JP 4366386 U JP4366386 U JP 4366386U JP 4366386 U JP4366386 U JP 4366386U JP H0247836 Y2 JPH0247836 Y2 JP H0247836Y2
- Authority
- JP
- Japan
- Prior art keywords
- diode
- transistor
- current
- circuit
- series
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 142
- 229910052742 iron Inorganic materials 0.000 claims description 71
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 description 12
- 238000004210 cathodic protection Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000002265 prevention Effects 0.000 description 8
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Prevention Of Electric Corrosion (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4366386U JPH0247836Y2 (enrdf_load_stackoverflow) | 1986-03-25 | 1986-03-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4366386U JPH0247836Y2 (enrdf_load_stackoverflow) | 1986-03-25 | 1986-03-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62155291U JPS62155291U (enrdf_load_stackoverflow) | 1987-10-02 |
JPH0247836Y2 true JPH0247836Y2 (enrdf_load_stackoverflow) | 1990-12-14 |
Family
ID=30860734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4366386U Expired JPH0247836Y2 (enrdf_load_stackoverflow) | 1986-03-25 | 1986-03-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0247836Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5159464B2 (ja) * | 2008-06-23 | 2013-03-06 | 東京瓦斯株式会社 | 埋設パイプラインに対するカソード防食システム及びカソード防食方法 |
-
1986
- 1986-03-25 JP JP4366386U patent/JPH0247836Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62155291U (enrdf_load_stackoverflow) | 1987-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4119866A (en) | High voltage electrical network with DC ice-melting device and current return through ground | |
CN111869029B (zh) | 断路器控制模块 | |
JPH0833200A (ja) | 電気通信設備の保護方法及びその方法を実行する保護回路 | |
US10050436B2 (en) | Protection device for an electrical power system | |
CA1078503A (en) | Open neutral protection | |
US8643985B2 (en) | Photovoltaic bipolar to monopolar source circuit converter with frequency selective grounding | |
CA1070813A (en) | Over-voltage protection | |
EP0483164A1 (en) | CIRCUIT BREAKER IN THE EVENT OF A GROUND FAULT. | |
JPH0247836Y2 (enrdf_load_stackoverflow) | ||
GB2224404A (en) | Residual current device with missing neutral protection | |
JPS6030542Y2 (ja) | 絶縁継手保護装置 | |
US4958250A (en) | Voltage isolation apparatus for service transformers | |
JPS6132375A (ja) | 電気炉保護装置 | |
JP3374952B2 (ja) | 直列形インバータ回路の保護方法 | |
CN112003275A (zh) | 安全供电系统及方法 | |
US4340921A (en) | HVDC Power transmission system with metallic return conductor | |
RU2085414C1 (ru) | Устройство для защиты тяговой сети переменного тока при нарушении изоляции не заземленных на рельсы опор | |
KR102582296B1 (ko) | 엘이디 조명용 서지 보호 장치 | |
JPS604999Y2 (ja) | 絶縁継手保護装置 | |
JPS6345807Y2 (enrdf_load_stackoverflow) | ||
US3911322A (en) | Method and circuit arrangement for an improved low cost lightning arrester | |
US4706160A (en) | Noise tolerant fast acting optical overcurrent protector and method | |
US12068595B2 (en) | Apparatus for protection against insulation failure | |
JPH0324598Y2 (enrdf_load_stackoverflow) | ||
US20250233406A1 (en) | Solid-state circuit breaker |