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Plug-in cable riser

A raised seat, plug-in technology, applied in the field of transformers, can solve the problems of high bushing production cost, inconvenient bushing installation, high bushing insulation requirements, etc., to reduce processing costs, good insulation effect, and less partial discharge Effect

Active Publication Date: 2015-12-09
CHANGZHOU TOSHIBA SHUDIAN TRANSFORMER
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  • Abstract
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Problems solved by technology

[0003] Current transformers are generally installed in the rising seat of the existing high-voltage transformers to measure the current of the cable and play a protective role. However, due to the high insulation requirements for the bushing, the manufacturing cost of the bushing is relatively high, and the installation of the bushing is inconvenient, and there is still a problem of large partial discharge

Method used

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Embodiment Construction

[0022] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0023] see figure 1 and figure 2 , the embodiment of the present invention includes:

[0024] A plug-in cable riser seat, comprising a riser seat cylinder body, a cable 5 is arranged in the riser seat cylinder body, one end of the cable 5 is connected to a cable plug-in head, and a current transformer 7 is provided on the other end of the cable 5, The current transformer 7 is fixed in the cylinder body of the rising seat through the pressure plate 10, an insulating plate 9 is arranged between the pressure plate 10 and the current transformer 7, an insulating layer 8 is arranged between the cable 5 and the current transformer 7, The insulating ...

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Abstract

The invention discloses a plug-in type cable lifting seat which comprises a lifting seat barrel. A cable is arranged in the lifting seat barrel, one end of the cable is connected with a cable plug-in head, a current transformer is sleeved outside the other end of the cable and is fixed in the lifting seat barrel through a pressure plate, an insulating plate is arranged between the pressure plate and the current transformer, and an insulating layer is arranged between the cable and the current transformer and sleeved outside the cable. Due to the facts that the insulating layer is arranged between the cable and the current transformer and the insulating plate is arranged between the pressure plate and the current transformer, an insulating sleeve does not need installing, the plug-in type cable lifting seat is convenient to install and reduces processing cost, the partial discharging amount is small, the insulating effect is good, and the plug-in type cable lifting seat is safe and reliable.

Description

technical field [0001] The invention relates to the field of transformers, in particular to a plug-in cable riser. Background technique [0002] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. [0003] Current transformers are generally installed in the rising seat of the existing high-voltage transformers to measure the current of the cable and play a protective role. However, due to the high insulation requirements for the bushing, the manufacturing cost of the bushing is relatively high, and the installation of the bushing is inconvenient, and there is still a problem of large partial discharge. Contents of the invention [0004] The technical problem mainly solved by the invention is to provide a plug-in cable riser with convenient installation, good insulation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F27/00H01F27/40
Inventor 吴国良蒋峰鲁明
Owner CHANGZHOU TOSHIBA SHUDIAN TRANSFORMER
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