GB1520478A - Electrical apparatus with isolation - Google Patents
Electrical apparatus with isolationInfo
- Publication number
- GB1520478A GB1520478A GB43452/75A GB4345275A GB1520478A GB 1520478 A GB1520478 A GB 1520478A GB 43452/75 A GB43452/75 A GB 43452/75A GB 4345275 A GB4345275 A GB 4345275A GB 1520478 A GB1520478 A GB 1520478A
- Authority
- GB
- United Kingdom
- Prior art keywords
- components
- motor
- insulation
- transformer
- control circuit
- 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
- 238000002955 isolation Methods 0.000 title 1
- 238000009413 insulation Methods 0.000 abstract 4
- 239000003990 capacitor Substances 0.000 abstract 2
- 230000035945 sensitivity Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 231100000989 no adverse effect Toxicity 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- 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
- H02H7/08—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 for dynamo-electric motors
- H02H7/0833—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 for dynamo-electric motors for electric motors with control arrangements
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Rectifiers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Eletrric Generators (AREA)
- Organic Insulating Materials (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7435731A FR2295601A1 (fr) | 1974-10-24 | 1974-10-24 | Appareil electrique a isolement ameliore |
| FR7438286A FR2292360A2 (fr) | 1974-11-21 | 1974-11-21 | Appareil electrique a isolement ameliore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1520478A true GB1520478A (en) | 1978-08-09 |
Family
ID=26218570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43452/75A Expired GB1520478A (en) | 1974-10-24 | 1975-10-22 | Electrical apparatus with isolation |
Country Status (13)
-
1975
- 1975-10-20 NL NL7512272A patent/NL7512272A/xx not_active Application Discontinuation
- 1975-10-21 IT IT28464/75A patent/IT1043503B/it active
- 1975-10-21 ES ES441955A patent/ES441955A1/es not_active Expired
- 1975-10-22 GB GB43452/75A patent/GB1520478A/en not_active Expired
- 1975-10-22 FI FI752950A patent/FI60328C/fi not_active IP Right Cessation
- 1975-10-23 YU YU02685/75A patent/YU39169B/xx unknown
- 1975-10-23 DK DK477275A patent/DK477275A/da unknown
- 1975-10-23 IE IE2309/75A patent/IE41815B1/en unknown
- 1975-10-23 LU LU73636A patent/LU73636A1/xx unknown
- 1975-10-23 SE SE7511889A patent/SE412146B/xx unknown
- 1975-10-23 NO NO753565A patent/NO142326C/no unknown
- 1975-10-23 CH CH1375075A patent/CH604399A5/xx not_active IP Right Cessation
- 1975-10-24 DE DE19752547770 patent/DE2547770A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7512272A (nl) | 1976-04-27 |
| FI60328C (fi) | 1981-12-10 |
| DE2547770A1 (de) | 1976-04-29 |
| NO753565L (enrdf_load_stackoverflow) | 1976-04-27 |
| YU268575A (en) | 1982-02-28 |
| DK477275A (da) | 1976-04-25 |
| FI60328B (fi) | 1981-08-31 |
| SE412146B (sv) | 1980-02-18 |
| NO142326B (no) | 1980-04-21 |
| ES441955A1 (es) | 1977-04-01 |
| SE7511889L (sv) | 1976-04-26 |
| CH604399A5 (enrdf_load_stackoverflow) | 1978-09-15 |
| NO142326C (no) | 1980-07-30 |
| IE41815L (en) | 1976-04-24 |
| LU73636A1 (enrdf_load_stackoverflow) | 1976-06-11 |
| FI752950A7 (enrdf_load_stackoverflow) | 1976-04-25 |
| YU39169B (en) | 1984-08-31 |
| IE41815B1 (en) | 1980-03-26 |
| IT1043503B (it) | 1980-02-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |