High-capacity high-voltage three-phase common-air-chamber current transformer structure

A current transformer, high-voltage technology, applied in the direction of inductors, transformers, transformers/inductor coils/windings/connections, etc.

Pending Publication Date: 2021-05-11
国电博纳(北京)电力设备有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

Based on the increasing types of market demand, in response to this requirement, the rated current of the current transformer structure used in the market is 3150A/4000A, and the maximum rated current of the original structure is 4000A, which does not meet the requirements of the State Grid Corporation. Therefore, our company designed...

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  • High-capacity high-voltage three-phase common-air-chamber current transformer structure

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Embodiment Construction

[0032] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0033] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides a large-capacity high-voltage three-phase common-air-chamber current transformer structure which comprises a three-phase common-box shell, a supporting inner cylinder, a current transformer coil, a basin-type insulator, a contact seat, a conductor, a patch board, a protective cover and a first fastener. The supporting inner cylinder is located in the three-phase common-box shell, the current transformer coil is located in the middle of the supporting inner cylinder. The basin-type insulator is located on the inner side of the three-phase common-box shell, the contact seat is located on the inner side of the three-phase common-box shell, the contact seat and the basin-type insulator are connected through a third fastener, and the three-phase common-box shell is connected through a second fastener. According to the high-capacity high-voltage three-phase common-air-chamber current transformer structure, after the current transformer is assembled and formed, only two groups of current transformers need to be assembled into the whole combination switch structure, the operation is very simple and convenient, and the product quality is well guaranteed.

Description

technical field [0001] The invention belongs to the technical field of high-voltage switches, and in particular relates to a large-capacity high-voltage three-phase common gas chamber current transformer structure. Background technique [0002] Based on the requirements for product rated current in the "Technical Characteristics Requirements for Substation Engineering Goods of State Grid Corporation", the original 3150A / 4000A is expanded to 5000A. Based on the increasing types of market demand, in response to this requirement, the rated current of the current transformer structure used in the market is 3150A / 4000A, and the maximum rated current of the original structure is 4000A, which does not meet the requirements of the State Grid Corporation. Therefore, our company designed a 5000A current transformer, which has small resistance, reduces energy loss in the process of electric energy conduction, reduces heat generation of the product, fast heat dissipation of the product,...

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Application Information

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IPC IPC(8): H01F38/38H01F27/29H01F27/30
CPCH01F27/29H01F27/306H01F38/38
Inventor 王福安谢建华闫东王成坤魏成亮韩潇骥李传阳王玉玺冯双喜陈洪伟朱佰鑫
Owner 国电博纳(北京)电力设备有限公司
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