JPS5332491B2 - - Google Patents
Info
- Publication number
- JPS5332491B2 JPS5332491B2 JP5998971A JP5998971A JPS5332491B2 JP S5332491 B2 JPS5332491 B2 JP S5332491B2 JP 5998971 A JP5998971 A JP 5998971A JP 5998971 A JP5998971 A JP 5998971A JP S5332491 B2 JPS5332491 B2 JP S5332491B2
- Authority
- JP
- Japan
- 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
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
- H02H3/08—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 excess current
- H02H3/087—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 excess current for dc applications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems
-
- 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
- H02H3/44—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 the rate of change of electrical quantities
- H02H3/445—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 the rate of change of electrical quantities of DC quantities
-
- 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
- H02H3/46—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 frequency deviations
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Emergency Protection Circuit Devices (AREA)
- Locating Faults (AREA)
- Protection Of Static Devices (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA117,356A CA985367A (en) | 1971-07-05 | 1971-07-05 | Method for the protection of a.d.c. power transmission system and apparatus for its realization |
| GB3194971A GB1411081A (en) | 1971-07-05 | 1971-07-07 | Method for the proteciton of a dc power transmission system and apparatus for its realization |
| DE19712134920 DE2134920B2 (de) | 1971-07-05 | 1971-07-13 | Verfahren und einrichtung zum schutz von hochspannungs-gleichstrom- uebertragungs (hgue)-leitungen |
| SE09933/71A SE365663B (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-03 | |
| JP5998971A JPS5332491B2 (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-10 | |
| FR7129523A FR2148377B1 (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-12 |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA117,356A CA985367A (en) | 1971-07-05 | 1971-07-05 | Method for the protection of a.d.c. power transmission system and apparatus for its realization |
| GB3194971A GB1411081A (en) | 1971-07-05 | 1971-07-07 | Method for the proteciton of a dc power transmission system and apparatus for its realization |
| DE19712134920 DE2134920B2 (de) | 1971-07-05 | 1971-07-13 | Verfahren und einrichtung zum schutz von hochspannungs-gleichstrom- uebertragungs (hgue)-leitungen |
| SE09933/71A SE365663B (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-03 | |
| JP5998971A JPS5332491B2 (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-10 | |
| FR7129523A FR2148377B1 (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4825847A JPS4825847A (US07541385-20090602-C00001.png) | 1973-04-04 |
| JPS5332491B2 true JPS5332491B2 (US07541385-20090602-C00001.png) | 1978-09-08 |
Family
ID=69645864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5998971A Expired JPS5332491B2 (US07541385-20090602-C00001.png) | 1971-07-05 | 1971-08-10 |
Country Status (6)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120419U (US07541385-20090602-C00001.png) * | 1985-01-11 | 1986-07-29 | ||
| JPH0440817Y2 (US07541385-20090602-C00001.png) * | 1985-03-04 | 1992-09-25 | ||
| JPH0537417U (ja) * | 1991-10-16 | 1993-05-21 | 榮製機株式会社 | 材料切断機の金鋸帯誘導装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE383590B (sv) * | 1974-07-19 | 1976-03-15 | Asea Ab | Likriktarstation for hogspend likstromsoverforing |
| JPS54146815A (en) * | 1978-05-10 | 1979-11-16 | Hitachi Chemical Co Ltd | Production of metallic graphite brushes |
| CN104246522B (zh) * | 2012-02-28 | 2016-04-06 | Abb技术有限公司 | 用于检测hvdc输电系统中的故障的方法和设备 |
-
1971
- 1971-07-05 CA CA117,356A patent/CA985367A/en not_active Expired
- 1971-07-07 GB GB3194971A patent/GB1411081A/en not_active Expired
- 1971-07-13 DE DE19712134920 patent/DE2134920B2/de not_active Withdrawn
- 1971-08-03 SE SE09933/71A patent/SE365663B/xx unknown
- 1971-08-10 JP JP5998971A patent/JPS5332491B2/ja not_active Expired
- 1971-08-12 FR FR7129523A patent/FR2148377B1/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120419U (US07541385-20090602-C00001.png) * | 1985-01-11 | 1986-07-29 | ||
| JPH0440817Y2 (US07541385-20090602-C00001.png) * | 1985-03-04 | 1992-09-25 | ||
| JPH0537417U (ja) * | 1991-10-16 | 1993-05-21 | 榮製機株式会社 | 材料切断機の金鋸帯誘導装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2134920A1 (de) | 1973-01-25 |
| GB1411081A (en) | 1975-10-22 |
| CA985367A (en) | 1976-03-09 |
| JPS4825847A (US07541385-20090602-C00001.png) | 1973-04-04 |
| DE2134920B2 (de) | 1976-04-15 |
| FR2148377A1 (US07541385-20090602-C00001.png) | 1973-03-23 |
| FR2148377B1 (US07541385-20090602-C00001.png) | 1975-07-11 |
| SE365663B (US07541385-20090602-C00001.png) | 1974-03-25 |
