BE731830A - - Google Patents
Info
- Publication number
- BE731830A BE731830A BE731830DA BE731830A BE 731830 A BE731830 A BE 731830A BE 731830D A BE731830D A BE 731830DA BE 731830 A BE731830 A BE 731830A
- Authority
- BE
- Belgium
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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH590368A CH482332A (de) | 1968-04-22 | 1968-04-22 | Erdschlussschutzeinrichtung für ein Gleichstromnetz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE731830A true BE731830A (https=) | 1969-10-01 |
Family
ID=4301273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE731830D BE731830A (https=) | 1968-04-22 | 1969-04-21 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE731830A (https=) |
| CA (1) | CA944434A (https=) |
| CH (1) | CH482332A (https=) |
| DE (1) | DE1918734A1 (https=) |
| FR (1) | FR2006691A1 (https=) |
| GB (1) | GB1270129A (https=) |
| NL (2) | NL6906108A (https=) |
| NO (1) | NO129433B (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2168253C1 (ru) * | 2000-03-02 | 2001-05-27 | Южно-Российский государственный технический университет (Новочеркасский политехнический институт) | Устройство защиты от замыкания на землю электроустановки постоянного тока |
| CN110286334A (zh) * | 2019-06-25 | 2019-09-27 | 哈尔滨锐驰风力发电有限责任公司 | 一种直流电源模拟接地测试装置 |
| CN114353607B (zh) * | 2022-01-19 | 2023-06-20 | 北京伊拜科技有限责任公司 | 无线雷管起爆网路的检测控制方法 |
-
1968
- 1968-04-22 CH CH590368A patent/CH482332A/de not_active IP Right Cessation
-
1969
- 1969-04-12 DE DE19691918734 patent/DE1918734A1/de active Pending
- 1969-04-21 GB GB2029169A patent/GB1270129A/en not_active Expired
- 1969-04-21 NL NL6906108A patent/NL6906108A/xx unknown
- 1969-04-21 NO NO164369A patent/NO129433B/no unknown
- 1969-04-21 CA CA049,336A patent/CA944434A/en not_active Expired
- 1969-04-21 BE BE731830D patent/BE731830A/xx unknown
- 1969-04-22 FR FR6912548A patent/FR2006691A1/fr not_active Withdrawn
-
1975
- 1975-10-16 NL NL7512127A patent/NL7512127A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1270129A (en) | 1972-04-12 |
| NO129433B (https=) | 1974-04-08 |
| NL6906108A (https=) | 1969-10-24 |
| DE1918734A1 (de) | 1969-11-06 |
| CA944434A (en) | 1974-03-26 |
| CH482332A (de) | 1969-11-30 |
| FR2006691A1 (https=) | 1970-01-02 |
| NL7512127A (nl) | 1976-03-31 |