NO761103L - - Google Patents
Info
- Publication number
- NO761103L NO761103L NO761103A NO761103A NO761103L NO 761103 L NO761103 L NO 761103L NO 761103 A NO761103 A NO 761103A NO 761103 A NO761103 A NO 761103A NO 761103 L NO761103 L NO 761103L
- Authority
- NO
- Norway
- Prior art keywords
- circuit
- current
- transistor
- machine
- supply
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 7
- 230000010287 polarization Effects 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 3
- 230000018199 S phase Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007858 starting material 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
- H02H3/16—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
- H02H3/162—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 for ac systems
- H02H3/165—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 for ac systems for three-phase systems
-
- 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
- H02H3/14—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7539397A FR2335079A2 (fr) | 1975-12-12 | 1975-12-12 | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO761103L true NO761103L (ro) | 1977-06-14 |
Family
ID=9164039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO761103A NO761103L (ro) | 1975-12-12 | 1976-03-30 |
Country Status (12)
| Country | Link |
|---|---|
| JP (2) | JPS5272437A (ro) |
| CS (1) | CS223817B2 (ro) |
| DD (1) | DD124135A5 (ro) |
| FI (1) | FI760870A (ro) |
| FR (1) | FR2335079A2 (ro) |
| GR (1) | GR59275B (ro) |
| LU (1) | LU74658A1 (ro) |
| NO (1) | NO761103L (ro) |
| PL (1) | PL110107B1 (ro) |
| PT (1) | PT65002B (ro) |
| RO (1) | RO72411A (ro) |
| YU (1) | YU277976A (ro) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447627A1 (fr) * | 1979-01-25 | 1980-08-22 | Sfec | Dispositif de securite pour la detection d'un defaut d'isolement electrique |
| FR2468130A1 (fr) * | 1979-10-23 | 1981-04-30 | Sfec | Dispositif de securite pour la detection d'un defaut d'isolement electrique sur une machine alimentee avec un neutre non relie a la masse machine |
| JPH03264665A (ja) * | 1990-03-13 | 1991-11-25 | Tokyo Electron Ltd | プラズマ処理装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423639Y1 (ro) * | 1966-10-28 | 1969-10-06 |
-
1975
- 1975-12-12 FR FR7539397A patent/FR2335079A2/fr active Granted
-
1976
- 1976-02-17 JP JP51016872A patent/JPS5272437A/ja active Pending
- 1976-03-05 PL PL1976187730A patent/PL110107B1/pl unknown
- 1976-03-29 LU LU74658A patent/LU74658A1/xx unknown
- 1976-03-30 NO NO761103A patent/NO761103L/no unknown
- 1976-04-01 FI FI760870A patent/FI760870A/fi not_active Application Discontinuation
- 1976-04-02 DD DD192181A patent/DD124135A5/xx unknown
- 1976-04-05 GR GR50480A patent/GR59275B/el unknown
- 1976-04-06 RO RO7685435A patent/RO72411A/ro unknown
- 1976-04-12 PT PT65002A patent/PT65002B/pt unknown
- 1976-06-22 CS CS764110A patent/CS223817B2/cs unknown
- 1976-09-12 YU YU02779/76A patent/YU277976A/xx unknown
-
1981
- 1981-06-02 JP JP1981081518U patent/JPS573333U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| PT65002A (fr) | 1976-05-01 |
| FI760870A (ro) | 1977-06-13 |
| RO72411A (ro) | 1981-09-24 |
| CS223817B2 (en) | 1983-11-25 |
| PL110107B1 (en) | 1980-07-31 |
| LU74658A1 (ro) | 1976-09-01 |
| FR2335079A2 (fr) | 1977-07-08 |
| GR59275B (en) | 1977-12-05 |
| DD124135A5 (ro) | 1977-02-02 |
| FR2335079B2 (ro) | 1983-03-11 |
| PT65002B (fr) | 1977-09-08 |
| YU277976A (en) | 1982-06-30 |
| JPS5272437A (en) | 1977-06-16 |
| JPS573333U (ro) | 1982-01-08 |
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