GB1420387A - Overvoltage limiting circuit arrangement - Google Patents
Overvoltage limiting circuit arrangementInfo
- Publication number
- GB1420387A GB1420387A GB1485473A GB1485473A GB1420387A GB 1420387 A GB1420387 A GB 1420387A GB 1485473 A GB1485473 A GB 1485473A GB 1485473 A GB1485473 A GB 1485473A GB 1420387 A GB1420387 A GB 1420387A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rectifier
- parallel
- overvoltage
- branch
- branches
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Abstract
1420387 Overvoltage protective circuits SEMIKRON GES FUR GLEICHRICHTERBAU U ELEKTRONIK mbH 28 March 1973 [1 April 1972] 14854/73 Heading H2H [Also in Division H3] An overvoltage limiting circuit arrangement has two rectifier branches 2a, 2b each comprising one or more selenium rectifiers, the branches are connected in series opposition and a respective semi-conductor diode 4 is connected in parallel with each rectifier branch and each semiconductor diode 4 presents when its associated parallel rectifier branch is forwardly biased a lower impedance current path than does the parallel rectifier branch, so that the overvoltage is limited to a value near to the breakdown voltage of the rectifier branch which is reverse biased. The circuit provides overvoltage protection of a device such as a semi-conductor device connected in parallel to the arrangement and used in an A.C. circuit. When the rectifier section 2a conducts in the forward direction the voltage across this section is effectively short circuited to the lower voltage across the semiconductor diode 4 which may be a Si rectifier and the overvoltage across the device is limited by the voltage across the rectifier branch 2b which conducts in the reverse direction. The operation of the branches 2a, 2b reverses for the opposite polarity applied at 2. A construction of the circuit arrangement is disclosed (Fig. 3, not shown). A further embodiment is disclosed (Fig. 4, not shown) having three branches, each branch comprising a single selenium rectifier (2) and a parallel connected semi-conductor diode 4.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722216092 DE2216092B2 (en) | 1972-04-01 | 1972-04-01 | Circuit arrangement for overvoltage limitation with a selenium overvoltage limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1420387A true GB1420387A (en) | 1976-01-07 |
Family
ID=5840918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1485473A Expired GB1420387A (en) | 1972-04-01 | 1973-03-28 | Overvoltage limiting circuit arrangement |
Country Status (7)
| Country | Link |
|---|---|
| BR (1) | BR7302340D0 (en) |
| CH (1) | CH563678A5 (en) |
| DE (1) | DE2216092B2 (en) |
| ES (1) | ES413038A1 (en) |
| FR (1) | FR2178920B1 (en) |
| GB (1) | GB1420387A (en) |
| IT (1) | IT983859B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050034A1 (en) * | 1980-10-14 | 1982-04-21 | Power Integrity Corporation | Transient surge protective circuit |
| GB2206749A (en) * | 1987-07-08 | 1989-01-11 | Sealand Ind Co Ltd | A voltage adaptor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2654419C2 (en) * | 1976-12-01 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Circuit arrangement for voltage limitation |
| US4455586A (en) * | 1980-10-24 | 1984-06-19 | Oneac Corporation | High voltage filtering and protection circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB817254A (en) * | 1956-05-18 | 1959-07-29 | Westinghouse Brake & Signal | Means for countering hole-storage effect in crystal rectifiers |
| CH413995A (en) * | 1964-12-31 | 1966-05-31 | Bbc Brown Boveri & Cie | Inverter with controlled converter elements |
-
1972
- 1972-04-01 DE DE19722216092 patent/DE2216092B2/en not_active Withdrawn
-
1973
- 1973-03-09 IT IT2233673A patent/IT983859B/en active
- 1973-03-16 CH CH387273A patent/CH563678A5/xx not_active IP Right Cessation
- 1973-03-27 ES ES413038A patent/ES413038A1/en not_active Expired
- 1973-03-28 GB GB1485473A patent/GB1420387A/en not_active Expired
- 1973-03-29 FR FR7311279A patent/FR2178920B1/fr not_active Expired
- 1973-03-30 BR BR234073A patent/BR7302340D0/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050034A1 (en) * | 1980-10-14 | 1982-04-21 | Power Integrity Corporation | Transient surge protective circuit |
| GB2206749A (en) * | 1987-07-08 | 1989-01-11 | Sealand Ind Co Ltd | A voltage adaptor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2216092A1 (en) | 1973-10-04 |
| DE2216092B2 (en) | 1975-10-09 |
| CH563678A5 (en) | 1975-06-30 |
| FR2178920A1 (en) | 1973-11-16 |
| IT983859B (en) | 1974-11-11 |
| FR2178920B1 (en) | 1977-12-30 |
| BR7302340D0 (en) | 1974-02-07 |
| ES413038A1 (en) | 1976-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |