NO940646L - Innretning til kontroll og måling av isolasjonen til et elektrisitetsnett - Google Patents
Innretning til kontroll og måling av isolasjonen til et elektrisitetsnettInfo
- Publication number
- NO940646L NO940646L NO940646A NO940646A NO940646L NO 940646 L NO940646 L NO 940646L NO 940646 A NO940646 A NO 940646A NO 940646 A NO940646 A NO 940646A NO 940646 L NO940646 L NO 940646L
- Authority
- NO
- Norway
- Prior art keywords
- checking
- insulation
- measuring
- electricity grid
- grid
- Prior art date
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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9302407A FR2702052B1 (fr) | 1993-02-25 | 1993-02-25 | Dispositif de contrôle et de mesure d'isolement pour réseau électrique. |
Publications (3)
Publication Number | Publication Date |
---|---|
NO940646D0 NO940646D0 (no) | 1994-02-24 |
NO940646L true NO940646L (no) | 1994-08-26 |
NO308563B1 NO308563B1 (no) | 2000-09-25 |
Family
ID=9444584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO940646A NO308563B1 (no) | 1993-02-25 | 1994-02-24 | Innretning til kontroll og mÕling av isolasjonen til et elektrisitetsnett |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0613018B1 (no) |
DE (1) | DE69419270T2 (no) |
ES (1) | ES2134330T3 (no) |
FR (1) | FR2702052B1 (no) |
NO (1) | NO308563B1 (no) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT406091B (de) * | 1995-09-18 | 2000-02-25 | Lem Norma Gmbh | Verfahren zur reparatur- und wiederholungsprüfung von elektrischen geräten sowie vorrichtung zur durchführung des verfahrens |
DE10118772B4 (de) * | 2000-04-14 | 2005-10-20 | Uwe Sauer | Verfahren zur Prüfung und Überwachung der Nebenschluß-Freiheit in FPE-Erdungssystemen und in TN-S-Versorgungsnetzen |
CN105004947B (zh) * | 2015-07-02 | 2017-11-10 | 广东电网有限责任公司电力科学研究院 | 一种交流环网状态监测方法及系统 |
CN105021942B (zh) * | 2015-07-02 | 2017-09-22 | 广东电网有限责任公司电力科学研究院 | 一种零线对接环网故障检测方法及系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4857830A (en) * | 1988-11-03 | 1989-08-15 | Toyo Communication Equipment Co., Ltd. | Method for measuring insulation resistance of electric line |
FR2647219B1 (fr) * | 1989-05-22 | 1991-07-05 | Merlin Gerin | Procede de correction du dephasage introduit par un tore homopolaire d'un courant de fuite et controleur d'isolement de mise en oeuvre de ce procede |
FR2676821B1 (fr) * | 1991-05-21 | 1994-09-09 | Merlin Gerin | Dispositif de controle et de mesure d'isolement pour reseau electrique a neutre isole. |
-
1993
- 1993-02-25 FR FR9302407A patent/FR2702052B1/fr not_active Expired - Fee Related
-
1994
- 1994-02-14 EP EP94420048A patent/EP0613018B1/fr not_active Expired - Lifetime
- 1994-02-14 DE DE69419270T patent/DE69419270T2/de not_active Expired - Fee Related
- 1994-02-14 ES ES94420048T patent/ES2134330T3/es not_active Expired - Lifetime
- 1994-02-24 NO NO940646A patent/NO308563B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO308563B1 (no) | 2000-09-25 |
FR2702052A1 (fr) | 1994-09-02 |
EP0613018B1 (fr) | 1999-06-30 |
DE69419270T2 (de) | 2000-02-24 |
FR2702052B1 (fr) | 1995-04-14 |
EP0613018A1 (fr) | 1994-08-31 |
ES2134330T3 (es) | 1999-10-01 |
DE69419270D1 (de) | 1999-08-05 |
NO940646D0 (no) | 1994-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |