US1590440A - Excess-voltage conductor for high-working voltages - Google Patents
Excess-voltage conductor for high-working voltages Download PDFInfo
- Publication number
- US1590440A US1590440A US713106A US71310624A US1590440A US 1590440 A US1590440 A US 1590440A US 713106 A US713106 A US 713106A US 71310624 A US71310624 A US 71310624A US 1590440 A US1590440 A US 1590440A
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- US
- United States
- Prior art keywords
- group
- series
- excess
- voltage conductor
- working voltages
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
- H01T4/20—Arrangements for improving potential distribution
Definitions
- the pole a is connected to the conductor i.'
- This invention relates to an excess voltage conductor.
- Such conductors useful as protective devices have usually multiple spark gaps comprising a series 'o f 5 connected electrodes. Such devices are capable of operating only. at a certain maximum limit of vol e.
- the obect of t 'is invention is to form anexcess vo tage Iconductor where the relationship betweenA the number of spark psand the overall vol issubstantially ear so u that a" conductor or any desired overall voltage ma be constructed. This is obtained by dividing the spark-'gaps into groups ar- ⁇ ranging a discharge resistance between the groups and shielding each of the groups by a condenser shield or coating.
- Fig. 2 is a diagrammatic view of a number of groups of' spark gaps arranged in series according to this invention.
- Fig. 1 is an adjustable sparkv p throughY the cap Ja..
- a resistance'r whichis in turn con ⁇ nected to the first of the series of electrodes o y 5 of the first group of spark gaps.
- the last .electrode e of said group is connected to the second discharge resistance r which is in turn y connected to the first electrode e of the 'second oup of series ,connected electrodes.
- the ast electrode e of said group is -connected been built as .formed in annular shape with ⁇ the arma.-
- the electrodes by the in'sulatingmaterial k in which the electrodes are fixed.
- Thearmature c is connected to the lower electrode e of each group. f n
- the caps and cylinder f which enclose this conductor are made of suitable insulating ⁇ materal or formedl in any manner, due regard being taken to insulate the electrode from the coatin to preventshortcircuiting.
- Fig. 2 shows-.51e same electrodes schematiel cally indicating that any number of groups may be employed as desired, three groups being shown in Fig. 2.
- This schematic arran ement showsthe series connected electr es in each group, the oups being connected in series, with disc arge resistances between them and the condenser connected in parallel with each group ⁇ connectedl toy the end of each group opposite the counter pole, that is, the condenser armature is connected to theend of each group which is nearest the grounded int. l v
- A'n excess voltage .conductor for high Working voltages comprising, a. group of second group, said second condenser shield spark gaps, a resistance in series with seid being connected to said second resistance, group, 2L condenser shield for said group means for eerthing said second resistance. 10 connected to said resistance, a second group n testimony whereof I hereunto ax my of spark gaps inseries with said resistance, signature.'
Description
June 29 1926.
v E. PFIFFNER EXCESS VOLTAGE CONDUCTOR FOR HIGH WORKING VOLTAGES Filed Ma 13. 1924 Tf'gfl n spark o I .connected in front of the discharge column.
' The pole a is connected to the conductor i.'
"50 l v to a furtherl discharge resistance r'which, as l Patented June 29,
www:
PATENT oFF'lcE.
or annular, animaux.
CISG-VOLTAGE OONII-)IUCTOB FOB 4HIGH-WOB'XIIN'G 'VQLTAGE8.
Application iled Icy' 18, 1084, Serial'lo. 713,106, and in Germany April 31 1988K.
x This invention relates to an excess voltage conductor. Such conductors useful as protective devices have usually multiple spark gaps comprising a series 'o f 5 connected electrodes. Such devices are capable of operating only. at a certain maximum limit of vol e.
It is well known t at if spark gaps be connect'ed in series, the operating voltage inl0 creases with acertain' increase in the numbery of spark gaps connected in series and with an increase of spark gaps beyond this number the increase in voltage does not correspond with the increase in the number 'of gaps, that is, if a curve bejplotted withjthe number of spark gaps arranged in series as absciss, and the overall voltage as ordinates, the curve is linear for a short distance and attens out rapidly when a certain number of spark ps be exceeded.
- The obect of t 'is invention is to form anexcess vo tage Iconductor where the relationship betweenA the number of spark psand the overall vol issubstantially ear so u that a" conductor or any desired overall voltage ma be constructed. This is obtained by dividing the spark-'gaps into groups ar- `ranging a discharge resistance between the groups and shielding each of the groups by a condenser shield or coating.
The invention will be better understood by referenceto the 4 which- Fig. 1 shows such lconductor in longitudinal section.
Fig. 2 is a diagrammatic view of a number of groups of' spark gaps arranged in series according to this invention. j
- In Fig. 1, is an adjustable sparkv p throughY the cap Ja.. To this conductor 1' is l connected a resistance'r whichis in turn con` nected to the first of the series of electrodes o y 5 of the first group of spark gaps.' The last .electrode e of said group is connected to the second discharge resistance r which is in turn y connected to the first electrode e of the 'second oup of series ,connected electrodes. The ast electrode e of said group is -connected been built as .formed in annular shape with `the arma.-
accom an drawin in p ymgg as limiting but merely descriptiver of the best groups-of spark gaps arranged shown in Fig. 1, passes through the lower cap h and is connected to a unding plate g. Each group-as shown in 1 is surrounded with a condenser armature c separated ,from
the electrodes by the in'sulatingmaterial k in which the electrodes are fixed. Thearmature c is connected to the lower electrode e of each group. f n The caps and cylinder f which enclose this conductor are made of suitable insulating`materal or formedl in any manner, due regard being taken to insulate the electrode from the coatin to preventshortcircuiting.
Fig. 2 shows-.51e same electrodes schematiel cally indicating that any number of groups may be employed as desired, three groups being shown in Fig. 2. This schematic arran ement showsthe series connected electr es in each group, the oups being connected in series, with disc arge resistances between them and the condenser connected in parallel with each group` connectedl toy the end of each group opposite the counter pole, that is, the condenser armature is connected to theend of each group which is nearest the grounded int. l v
, Obvious y the condenser armature need not surround each group but electrodes may be ture, dis as a central cylinder around the axis of the electrode. The above description should not be taken manner employed in my inventionl which 1.85- claim to be 1. An excess voltage conductor for high Working voltages comprising a plurality of 1n series, a' resistance between said groups, a condenser shield for each group, the shield of each group being connected to the end of the group nearest the ground connection. 2. An excess voltage conductor for high working vol s comprising a plurality of Agroups of spar gaps arranged in series, re-
sistances between said groups, a condenser shield for each group, the shield of each p oup beingpconnected to the end farthest gom the ground connection of the next sucf 100 ceeding group.
.3. A'n excess voltage .conductor for high Working voltages comprising, a. group of second group, said second condenser shield spark gaps, a resistance in series with seid being connected to said second resistance, group, 2L condenser shield for said group means for eerthing said second resistance. 10 connected to said resistance, a second group n testimony whereof I hereunto ax my of spark gaps inseries with said resistance, signature.'
e second condenser shield for seid second group. a second resistance in series with seid EMIL PFIFFNER.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1590440X | 1923-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1590440A true US1590440A (en) | 1926-06-29 |
Family
ID=7736628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US713106A Expired - Lifetime US1590440A (en) | 1923-04-03 | 1924-05-13 | Excess-voltage conductor for high-working voltages |
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US (1) | US1590440A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2866135A (en) * | 1954-12-15 | 1958-12-23 | Mc Graw Edison Co | Lightning arresters |
US4228478A (en) * | 1977-04-06 | 1980-10-14 | Siemens Aktiengesellschaft | Overvoltage arrester |
-
1924
- 1924-05-13 US US713106A patent/US1590440A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2866135A (en) * | 1954-12-15 | 1958-12-23 | Mc Graw Edison Co | Lightning arresters |
US4228478A (en) * | 1977-04-06 | 1980-10-14 | Siemens Aktiengesellschaft | Overvoltage arrester |
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