DE651427C - Multi-phase spark gaps, in particular arc converters, with electrodes in flowing gas - Google Patents

Description

Multi-phase spark gaps, in particular arc converters, with Electrodes in Flowing Gas The invention relates to multi-phase radio links, in particular Arc converter, with electrodes in flowing gas (Marx-Stroz converter). at In the case of the arc converters known up to now, it was customary to use the one provided for each phase Spark gap in a special vessel completely separate from the spark gaps the other phases. accommodate.

The invention is now based on the knowledge that it is not necessary is that the spark gaps of the individual phases work completely separately from each other allow. On the contrary, it is very advantageous and expedient to use the spaces between the electrodes to connect all or individual spark gaps with each other, as through the Pressure increase caused by the burning spark gap, an increase the blocking strength is achieved in the other blocked spark gaps. These Increasing the blocking strength is very beneficial as it requires no additional power is effected, at the same time the pressure increase in the burning spark gap is not as strong as when this is not in connection with the other spark gaps would stand. This also makes the compressive stress on the individual chamber walls essential more balanced.

The invention is illustrated in the drawing in several exemplary embodiments. In Fig. I, the arc chambers of the individual phases are marked with i, 2 and 3, the main electrodes finite I, 5 and 6, 7 and 8, 9 and the shield electrodes with io, ii and 12, 13 and 1d., 15 . 16 are the feed pipes for the axial gas flow, 17 the feed pipes for the radial gas flow and 18 the discharge pipes. According to the invention, the spaces between the electrodes in chambers i, 2 and 3 are connected to one another by tubes icg and 2o.

As a result of the connection of the chambers i, -2 and 3 by the pipes i9 and 2o acts when the arc of a spark gap arises or burns, for example the arc chamber 2, resulting overpressure on the other in This moment under reverse voltage spark gaps, in particular on the spaces between the electrodes, for example the arc l: am-'mern i and 3.

This results in the absolute pressure in these arc chambers i and 3 and thus the electrical strength of the inter-electrode space of the blocked Spark distances additionally increased. This is of course in consideration of the safety against backfire and an economical operation of the arc converter is very desirable.

In the embodiment illustrated in Fig. I, the Arc chambers connected to one another by tubes io and 2o. In some cases it may be useful to place the individual arc chambers via special intermediate containers to connect with each other. It is also useful to connect the connecting pipes of the individual electrode spacers wholly or partly made of insulating material, len in order to avoid any risk of a rollover from one chamber to the other. avoid. 'In some cases it becomes necessary to achieve what is desired according to the invention For this purpose, the spaces between the electrodes of the individual spark gaps are sufficient to connect to each other through the gas supply lines for the radial gas flow, as indicated in Fig. i for the supply lines 17, for example.

The propagation velocities required for the individual spark gaps and strengths of the pressure waves can be determined by appropriate dimensioning of the pipelines or the pipe resistances can be obtained. Here it is by all means expediently, the connecting pipes ig and jo of the individual electrode spaces to give large cross-sections, so that the resulting in one electrode gap The pressure wave can travel unhindered as quickly as possible to the spaces between the electrodes other spark gaps can spread.

In some cases it will even be possible to use the electrode gaps for several spark gaps to be arranged in a common housing. Here you can the inter-electrode spaces of all or individual spark gaps completely, with. Exception of the connection opening within the meaning of the invention, or partly through partition walls be separated.

Such an embodiment according to the invention is shown in Fig. 2. The spark gaps 2i, 22, 23 and 24 are accommodated in a common housing 25 and separated from one another by walls 26, 27, 28 or 29, for example.

The invention is of course not limited to those described above and embodiments illustrated in the drawing, but rather can also be used in other ways. The only thing that is essential here is that by some means that arises in the one electrode gap Pressure wave in the other electrode spaces is exploited.

Claims (7)

YATENTANSPRi @ 'CHE: i. Multi-phase radio links, in particular arc converters, with electrodes in flowing gas, characterized in that the spaces between the electrodes all or some spark gaps are connected to one another. 2. multi-phase spark gaps, in particular an arc converter according to claim i, characterized in that that which occurs when the arc of a spark gap arises or burns overpressure on the others currently under blocking stress Spark gaps, in particular the spaces between the electrodes, acts. 3. Arrangement according to claim 1 or 2, characterized in that the spark gap from the burning outgoing pressure wave the absolute pressure and thus the electrical strength of the Increased electrode gaps in the blocked spark gaps. Arrangement according to claim i or the following, characterized in that the electrode gaps of the individual valves through pipelines (i9, 2o) directly or via special intermediate containers are connected to each other '. 5. Arrangement according to claim i @ or the following, characterized characterized in that the connecting pipes (ig, 2o) of the individual electrode spaces consist entirely or in part of insulating material. 6. Arrangement according to claim 1, 2 or 3, characterized in that for the mutual connection of the electrode spaces the gas supply lines @ (17) serve for the radial gas flow. 7. Arrangement according to claim i or the following, characterized in that the pipelines or the pipeline resistances are dimensioned so that the propagation speeds and the strengths of the pressure waves receive the sizes desired for the individual spark gaps. B. Arrangement according to claim i or the following, characterized in that the connecting pipes (ig, 2o) of the individual electrode spaces receive large cross-sections. G. Arrangement according to Claims 1 to 3, characterized in that the electrode spaces for several spark gaps are arranged in a common housing (25). -io. Arrangement according to claim g, characterized in that the electrode gaps of all or individual spark gaps are wholly or partially separated from one another by partition walls (26, -27, 28 and 29).