DE414267C - Procedure for securing high-voltage lines against flashovers - Google Patents
Procedure for securing high-voltage lines against flashoversInfo
- Publication number
- DE414267C DE414267C DES65232D DES0065232D DE414267C DE 414267 C DE414267 C DE 414267C DE S65232 D DES65232 D DE S65232D DE S0065232 D DES0065232 D DE S0065232D DE 414267 C DE414267 C DE 414267C
- Authority
- DE
- Germany
- Prior art keywords
- procedure
- voltage lines
- securing high
- voltage amplitude
- lines against
- 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
- 230000005415 magnetization Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Description
Verfahren zur Sicherung von Hochspannungsleitungen gegen Überschläge. Werden zwei tnit Elektrizität verschiedenen Vorzeichens geladene Leiter mit abgerundeter Oberfläche einander gegenüber angeordnet und wird die Spannung bis zum Überschlag gesteigert, so beobachtet man, daß den Anlaß zur Funkenentladung stets der positive Leiter gibt. Versieht man den positiv geladenen Leiter mit Spitzen oder Kanten, so erfolgt kein Funkenüberschlag mehr, sondern die Elektrizität sprüht aus dem negativen Leiter zum positiven ohne Funkenüberschlag über. Man kann daher einen Funkenüberschlag an Hochspannungsleitungen dadurch verhüten, daß tnan den einen Pol an den gefährdeten Stellen tnit Spitzen oder Kanten versieht, wodurch auch bei Verwendung von Wechselstrom eine Verminderung der Überschlagsgefahr erreicht wird. Dieses an sich bekannte Verfahren besitzt aber den Nachteil, daß durch die negativen Ausstrahlungen erhebliche Verluste eintreten.Procedure for securing high-voltage lines against flashovers. Become two conductors charged with electricity of different signs and rounded Surface is placed opposite each other and the tension is up to rollover increased, one observes that the cause of the spark discharge is always the positive one Head there. If the positively charged conductor is provided with tips or edges, so there is no more sparkover, but the electricity sprays out of the negative Head over to positive without arcing. You can therefore have a sparkover on high-voltage lines prevent one pole from being connected to the endangered one Make tnit points or edges, which also when using alternating current a reduction in the risk of rollover is achieved. This per se known method but has the disadvantage that the negative emissions result in considerable losses enter.
Die Erfindung betrifft nun ein neues Verfahren, die Überschlagsgefahr zwischen Hochspannungsleitungen zu verringern, ohne daß die oben geschilderten Verluste durch negative Sprühentladungen auftreten.The invention now relates to a new method, the risk of rollover between high voltage lines without the losses outlined above occur due to negative spray discharges.
Gemäß der Erfindung wird dies dadurch erreicht, daß die Größe der positiven Spännungsamplitude des zur Kraftübertragung verwendeten Wechselstromes gegenüber der negativen vermindert wird, indem also der positive Teil der Spannungskurve abgeflacht wird. Hierdurch wird erzielt, daß die Neigung zur Funkenbildung wegen de:- geringen positiven Spannung erheblich vermindert wird, ohne daß Spitzen oder Kanten verwendet werden müssen. Die Folge davon ist, daß auch die negativen Strahlungserscheinungen erheblich vermindert werden können und damit große Ersparnisse an elektrischer Energie erzielt werden.According to the invention, this is achieved in that the size of the positive voltage amplitude of the alternating current used for power transmission is reduced compared to the negative one, that is to say in that the positive part of the voltage curve is flattened. This has the effect that the tendency to spark formation because of the: - low positive voltage is considerably reduced, without the use of points or edges. The consequence of this is that the negative radiation phenomena can also be considerably reduced and thus great savings in electrical energy can be achieved.
Die Verringerung der Größe der positiven Spannungsamplitude kann auf verschiedene Art erfolgen, z. B. kann gemäß der Erfindung dem Wechselstrom ein Gleichstrom in dem Sinne übergelagert werden, daß die negative Spannungsamplitude gegenüber der positiven vergrößert wird. Ferner kann gemäß der Erfindung ein Generator mit ungleich gestalteten Polen verwendet werden, der eine Verlegung der Nullinie des Wechselstromes zur Folge hat. Weiter können gemäß der Erfindung die zur Kraftübertragung sowieso zu verwendenden Transformatoren eine Vermagnetisierung durch Gleichstrom erhalten. Schließlich kann auch in anderer Weise die Beeinflussung des Wechselstromes gemäß der Erfindung erfolgen.Reducing the size of the positive voltage amplitude can result in take place in different ways, e.g. B. according to the invention the alternating current can be a direct current are superimposed in the sense that the negative voltage amplitude opposite the positive is enlarged. Furthermore, according to the invention, a generator with unevenly shaped poles are used, which means that the zero line of the Alternating current. Furthermore, according to the invention, the power transmission Transformers to be used anyway are magnetized by direct current obtain. Finally, the alternating current can also be influenced in another way take place according to the invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES65232D DE414267C (en) | 1924-02-28 | 1924-02-28 | Procedure for securing high-voltage lines against flashovers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES65232D DE414267C (en) | 1924-02-28 | 1924-02-28 | Procedure for securing high-voltage lines against flashovers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE414267C true DE414267C (en) | 1925-05-27 |
Family
ID=7497874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES65232D Expired DE414267C (en) | 1924-02-28 | 1924-02-28 | Procedure for securing high-voltage lines against flashovers |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE414267C (en) |
-
1924
- 1924-02-28 DE DES65232D patent/DE414267C/en not_active Expired
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