Coil for high-voltage transformer
First Claim
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1. A coil, particularly for a high-tension transformer comprising:
- a first electroconductive winding;
a first connecting element;
a second connecting element;
an insulating member attaching said first connecting element to said second connecting element; and
a second electroconductive winding arranged in insulated manner relative to the first winding and electrically connected to said second connecting element,wherein;
said first winding forms a cylindrical former having an axial slit,an insulating part is inserted into said axial slit, andsaid second winding is carried by the first winding in an insulated manner.
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Abstract
In order to achieve improved mechanical properties for a coil (1), it is proposed to structure a first electroconductive winding (3) of the coil (1) as a coil former. This coil has a first connecting element (15), to which a second connecting element (17) is attached via an insulating part (25). The two connecting elements (15, 17) form the connections for the coil (1). In this way, a self-supporting coil structure is achieved. The coil (1) is particularly intended as an undervoltage winding with a low number of windings for cast resin transformers.
45 Citations
20 Claims
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1. A coil, particularly for a high-tension transformer comprising:
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a first electroconductive winding; a first connecting element; a second connecting element; an insulating member attaching said first connecting element to said second connecting element; and a second electroconductive winding arranged in insulated manner relative to the first winding and electrically connected to said second connecting element, wherein; said first winding forms a cylindrical former having an axial slit, an insulating part is inserted into said axial slit, and said second winding is carried by the first winding in an insulated manner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An insulating part of a coil of a high-tension transformer that has a first winding forming a coil former and at least one outside winding, said coil former having an axial slit, wherein said insulating part comprises:
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a central portion disposable in said slit and mechanically joining two adjacent points of the first winding at said slit in an electrically insulated manner, and an outer surface facing the at least one outside winding and being substantially flush with an outer surface of the first winding.
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Specification