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High precision measurement ring main unit

A measuring ring, high-precision technology, applied in measuring devices, measuring electrical variables, measuring current/voltage, etc., can solve the problems of inconvenient installation, high cost, inaccuracy, etc., to achieve convenient construction and installation, convenient construction and installation, reduce The effect of cost of use

Inactive Publication Date: 2017-08-11
天津三源电力智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, his current signal is a synthetic value, which is inaccurate, and the cost is high, and the installation is inconvenient

Method used

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Embodiment Construction

[0015] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.

[0016] A high-precision measurement ring network cabinet, including a cabinet body 1 and electrical devices installed in the cabinet body, since the structure and connection relationship between the cabinet body and electrical devices do not involve innovation and improvement, so its structure will not be described in detail, the cabinet body A plurality of cone-shaped heads 4 are installed in the cable room of the cable, and a current transformer 2 is installed on each cone-shaped head. (55mm) large, so the central hole of the current transformer is coaxially set on the conical head.

[0017] The bases of all current transformers in each cable room are fastened and installed on a mounting plate by bolts 5. The ...

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Abstract

The invention relates to a high precision measurement ring main unit. The high precision measurement ring main unit comprises a cabinet body and an electrical device disposed in the cabinet body. A plurality of conical heads are disposed in the cable chambers of the cabinet body, and each of the conical heads is provided with a current transformer. The central hole of each of the current transformers is coaxially disposed on the corresponding conical head in a sleeved manner. The bases of all of the current transformers in every cable chamber are fixedly disposed on an installation plate by bolts, and the installation plate is integratedly formed by a horizontal plate and a vertical plate. The bases of the current transformers are disposed on the horizontal plates, and the vertical plates are connected with the side plates of the cabinet body by the bolts. The high precision measurement ring main unit is advantageous in that a structural design is smart, and problems of conventional draw lead current transformers during use are solved; by using the above mentioned structure, measurement precision is improved, use costs are reduced, convenience is provided for construction and installation; the high precision measurement ring main unit is especially suitable for a condition that double cables are used in one interval.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a high-precision measurement ring network cabinet. Background technique [0002] The ring network cabinet is a group of transmission and distribution electrical equipment (high-voltage switchgear) installed in a metal or non-metal insulated cabinet or made into an assembled interval ring network power supply unit. Its core part uses load switches and fuses. It has a structure Simple, small size, low price, can improve power supply parameters and performance, and power supply security and other advantages. It is widely used in distribution stations and box-type substations of load centers such as urban residential quarters, high-rise buildings, large public buildings, factories and enterprises. [0003] When using the ring network cabinet, the user often encounters the situation of using double cables in one interval. Since his sampling transformer is installed on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/30G01R19/00
CPCG01R19/0092H02B1/30
Inventor 赵冠桥杨法赵洪宝刘慧芳孟宪辰李春晖董泽寅李海龙司威陈烨周庆祝刘月婵杜艳洁李香刘彦东
Owner 天津三源电力智能科技有限公司
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