Polyphase liquid rheostat
AssigneeSiemens Aktiengesellschaft
InventorKurt Rabus
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Abstract
In a polyphase liquid rheostat cells for separately accommodating adjustable electrodes with the cells filled with an electrolyte, covered at the top and open at one end face, are formed from electrically nonconducting plastic sheets which are welded together in a liquid tight manner with the welds arranged, at least in the zones which are subject to voltage stresses, so that they are adjacent only to external spaces which are free of liquid thereby preventing an electrical short circuit between cells of different phases in the case of a leak in the welded seam.
Claims11
In a polyphase liquid rheostat having electrodes arranged in insulated cells filled with electrolyte, said cells being covered at the top and opened at an end face, the improvement comprising cells formed from electrically non-conducting plastic plates which are welded together in a liquid tight manner and wherein the welds, at least in the areas which will be subject to voltage stresses, are located adjacent only to outer spaces which are free of liquid.
Dependencies are inferred from the claim text.