DE3728197C2 - Elektronisches Schutzrelais - Google Patents
Elektronisches SchutzrelaisInfo
- Publication number
- DE3728197C2 DE3728197C2 DE3728197A DE3728197A DE3728197C2 DE 3728197 C2 DE3728197 C2 DE 3728197C2 DE 3728197 A DE3728197 A DE 3728197A DE 3728197 A DE3728197 A DE 3728197A DE 3728197 C2 DE3728197 C2 DE 3728197C2
- Authority
- DE
- Germany
- Prior art keywords
- resistor
- diode
- comparator
- reference voltage
- capacitor
- 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 - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
- H02H1/0053—Means for storing the measured quantities during a predetermined time
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4597/86A CH671656A5 (enrdf_load_stackoverflow) | 1986-11-18 | 1986-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3728197A1 DE3728197A1 (de) | 1988-05-19 |
DE3728197C2 true DE3728197C2 (de) | 1995-09-07 |
Family
ID=4279060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3728197A Expired - Fee Related DE3728197C2 (de) | 1986-11-18 | 1987-08-24 | Elektronisches Schutzrelais |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH671656A5 (enrdf_load_stackoverflow) |
DE (1) | DE3728197C2 (enrdf_load_stackoverflow) |
GB (1) | GB2197763B (enrdf_load_stackoverflow) |
IT (1) | IT1230670B (enrdf_load_stackoverflow) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368500A (en) * | 1981-04-27 | 1983-01-11 | Westinghouse Electric Corp. | Solid-state load protection system having an improved inverse time delay circuit |
US4414601A (en) * | 1981-04-27 | 1983-11-08 | Westinghouse Electric Corp. | Solid-state load protection system having a test feature |
US4509088A (en) * | 1982-09-30 | 1985-04-02 | Square D Company | Motor protector relay with memory of overload |
-
1986
- 1986-11-18 CH CH4597/86A patent/CH671656A5/de not_active IP Right Cessation
-
1987
- 1987-08-24 DE DE3728197A patent/DE3728197C2/de not_active Expired - Fee Related
- 1987-09-02 IT IT8721775A patent/IT1230670B/it active
- 1987-11-13 GB GB8726573A patent/GB2197763B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2197763A (en) | 1988-05-25 |
GB8726573D0 (en) | 1987-12-16 |
IT1230670B (it) | 1991-10-29 |
IT8721775A0 (it) | 1987-09-02 |
GB2197763B (en) | 1991-01-02 |
DE3728197A1 (de) | 1988-05-19 |
CH671656A5 (enrdf_load_stackoverflow) | 1989-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: SPRECHER + SCHUH AG, AARAU, AARGAU, CH |
|
8128 | New person/name/address of the agent |
Representative=s name: ZIMMERMANN, H., DIPL.-ING. GRAF VON WENGERSKY, A., |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |