DE824812C - Protection device for electrical systems against surge currents - Google Patents
Protection device for electrical systems against surge currentsInfo
- Publication number
- DE824812C DE824812C DEK3450A DEK0003450A DE824812C DE 824812 C DE824812 C DE 824812C DE K3450 A DEK3450 A DE K3450A DE K0003450 A DEK0003450 A DE K0003450A DE 824812 C DE824812 C DE 824812C
- Authority
- DE
- Germany
- Prior art keywords
- spark gaps
- protection device
- systems
- electrical systems
- against surge
- 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
- 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
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
- H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
Es ist bekannt, daß zur Einleitung eines Abschal2vorganges von überstromgefährdeten Leitungen Wandler Verwendung finden, die in die; abzuschaltenden Strompfade gelegt sind. Dabei werden durch die Wandler Stromschwankungen in Spannungsschwankungen umgesetzt, die, wenn ihr Wert ein bestimmtes Maß überschreitet, Relais zur Abschaltung der gefährdeten Leitungen zum Ansprechen bringen.It is known that to initiate a shutdown of overcurrent endangered Lines converters are used in the; current paths to be switched off laid are. The converter converts current fluctuations into voltage fluctuations implemented that, if their value exceeds a certain level, relays to shutdown make the endangered lines respond.
Gegenstand der Erfindung ist eine Schutzvorrichtung für elektrische Anlagen, im besonderen Niederspannungsanlagen, gegen Stoßüberströme und deren dynamische Wirkung. Dabei werden Wandler verwendet, die in die Strompfade der zu schützenden Anlagen eingebaut sind. Die Sekundärstromkreise der Wandler sind durch Funkenstrecken unterbrochen, die auf eine bestimmte Zündspannung eingestellt werden können. Erfolgt bei einem gewissen Überstromstoß, der mittels der Wandler mindestens diese bestimmte Zündspannung liefert, ein Überschlag, so dienen diese Funkenstrecken als Zündfunkenstrecken weiterer Funkenstrecken, durch deren Überschlag dann Strompfade parallel zu den zu schützenden Anlagen geschlossen werden. Daher fließt jetzt nur mehr ein Teil des dynamisch gefährlichen Stoßkurzschlußstromes durch die Anlagen selbst. Der sich nunmehr insgesamt einstellende Dauerkurzschlußstrom wird sodann durch die in jeder Anlage vorhandenen LTl)erstrotnrelais je nach der Einstellzeit der Schalter abgeschaltet, ehe ein thermischer Schaden in denAnla.gen entstehen kann.The invention relates to a protective device for electrical Systems, especially low-voltage systems, against surge currents and their dynamic currents Effect. In this case, converters are used that are in the current paths of the Systems are built in. The secondary circuits of the converters are through spark gaps interrupted, which can be set to a certain ignition voltage. He follows in the event of a certain overcurrent surge, which at least determined this by means of the converter Provides ignition voltage, a flashover, these spark gaps serve as ignition spark gaps further spark gaps, through their flashover then current paths parallel to the systems to be protected are closed. Therefore only a part flows now the dynamically dangerous surge short-circuit current through the systems themselves The permanent short-circuit current now set in total is then reduced by the in each System existing LTl) erstrotnrelais switched off depending on the setting time of the switch, before thermal damage can occur in the systems.
Als Anordnungsbeispiele mögen die Abb. i und i 2 dienen. Hier sind W die in die zu schützenden Strompfade R bzw. R, S, T eingebauten Wandler. I-1 sind .die einstellbaren Funkenstrecken, die die Sekundärstromkreise der Wandler W unterbrechen. 1I-II sind die Funkenstrecken, die die zur schützenden Anlage parallelen Strompfade bilden, sobald an den Funkenstrecken I-1 ein Durchschlag erfolgt.Figs. I and i 2 serve as examples of the arrangement. Here are W the converters built into the current paths R or R, S, T to be protected. I-1 are .the adjustable spark gaps that interrupt the secondary circuits of the converter W. 1I-II are the spark gaps that form the current paths parallel to the protective system form as soon as a breakdown occurs at the spark gaps I-1.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK3450A DE824812C (en) | 1950-05-31 | 1950-05-31 | Protection device for electrical systems against surge currents |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK3450A DE824812C (en) | 1950-05-31 | 1950-05-31 | Protection device for electrical systems against surge currents |
Publications (1)
Publication Number | Publication Date |
---|---|
DE824812C true DE824812C (en) | 1951-12-13 |
Family
ID=7209898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEK3450A Expired DE824812C (en) | 1950-05-31 | 1950-05-31 | Protection device for electrical systems against surge currents |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE824812C (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1025496B (en) * | 1954-09-30 | 1958-03-06 | Siemens Ag | Current and voltage limitation in electrostatic painting and electrostatic filter systems |
DE1041141B (en) * | 1957-04-13 | 1958-10-16 | Hermann Stribel Fa | Protection device for an electrical flashing system, especially for motor vehicles |
DE1183171B (en) * | 1962-09-18 | 1964-12-10 | Vnii Shelesnodoroshnogo Transp | Device for the protection of semiconductor rectifier systems |
DE1240177B (en) * | 1957-01-25 | 1967-05-11 | Siemens Ag | Protection device for power converter systems with semiconductor elements on the basis of a semiconductor body made of germanium or silicon containing valves |
DE1254758B (en) * | 1957-09-05 | 1967-11-23 | Siemens Ag | Protective device for dry rectifier |
WO2012123541A1 (en) * | 2011-03-16 | 2012-09-20 | Phoenix Contact Gmbh & Co. Kg | Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE263290C (en) * |
-
1950
- 1950-05-31 DE DEK3450A patent/DE824812C/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE263290C (en) * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1025496B (en) * | 1954-09-30 | 1958-03-06 | Siemens Ag | Current and voltage limitation in electrostatic painting and electrostatic filter systems |
DE1240177B (en) * | 1957-01-25 | 1967-05-11 | Siemens Ag | Protection device for power converter systems with semiconductor elements on the basis of a semiconductor body made of germanium or silicon containing valves |
DE1041141B (en) * | 1957-04-13 | 1958-10-16 | Hermann Stribel Fa | Protection device for an electrical flashing system, especially for motor vehicles |
DE1254758B (en) * | 1957-09-05 | 1967-11-23 | Siemens Ag | Protective device for dry rectifier |
DE1183171B (en) * | 1962-09-18 | 1964-12-10 | Vnii Shelesnodoroshnogo Transp | Device for the protection of semiconductor rectifier systems |
WO2012123541A1 (en) * | 2011-03-16 | 2012-09-20 | Phoenix Contact Gmbh & Co. Kg | Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system |
CN103348552A (en) * | 2011-03-16 | 2013-10-09 | 菲尼克斯电气公司 | Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system |
US9300126B2 (en) | 2011-03-16 | 2016-03-29 | Phoenix Contact Gmbh & Co Kg | Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system |
CN103348552B (en) * | 2011-03-16 | 2016-04-06 | 菲尼克斯电气公司 | For the electric equipment of threephase load short-circuit protection in three-phase system |
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