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Ring main unit

A cage and box technology, applied in the field of ring cages, can solve problems such as loss of power supply lines, failure to ensure normal power supply, and inability to save energy.

Inactive Publication Date: 2017-02-01
STATE GRID ZHEJIANG HANGZHOU CITY FUYANG DISTRICT POWER SUPPLY CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the ring net box currently used, when the busbar loses power or the PT cabinet fails, the power supply system will be cut off, and normal power supply cannot be guaranteed.

Method used

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  • Ring main unit

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Embodiment Construction

[0020] The core of the present invention is to provide a ring net box, which is equipped with a self-power supply system, which can effectively save energy and ensure reliable operation of the ring net box with electricity.

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a specific embodiment of the ring net box provided by the present invention.

[0023] In this embodiment, the ring net box includes a box body 1 and a ph...

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Abstract

The invention discloses a ring main unit. The ring main unit comprises a casing and a photovoltaic assembly positioned in the top of the casing, the photovoltaic assembly is arranged in an inclined manner, and is connected with a power storage part in the casing, and the power storage part can supply power to power utilization parts in the casing. According to the ring main unit of the invention, the photovoltaic assembly is arranged in the top of the casing, so that the casing includes a self power supply system, the reliability in power utilization and operation of the casing is ensured, and via use of the photovoltaic assembly, solar energy serves as energy source, the environment is protected, energy is saved, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of power supply equipment, in particular to a ring net box. Background technique [0002] At present, there are mainly three operating modes for the ring net box in operation: (1) The ring net box is equipped with a PT cabinet without a data conversion unit (DTU). box lighting, environmental control system and switch control operating power; (2) ring net box with PT+DTU box, powered by PT secondary side 220V power supply of PT cabinet, shunt switch supplies ring net box lighting, environmental control system and distribution Electric automation terminal (DTU) power supply, DTU DC power supply switch control operation power; (3) There is no PT cabinet and DTU in the ring net box, and there is no station power supply in the ring net box. [0003] However, in the ring net box currently used, when the busbar loses power or the PT cabinet fails, the power supply system will be cut off, and normal power supply cannot be gu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/46H02S20/30H02S30/20H02S40/38
CPCH02B1/46H02S20/30H02S30/20H02S40/38Y02E10/50Y02E70/30
Inventor 俞伟何颋马一靖胡晓哲俞建飞费帆陈晓刚张小海盛成海谢赟孔仪潇
Owner STATE GRID ZHEJIANG HANGZHOU CITY FUYANG DISTRICT POWER SUPPLY CO LTD
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