Distribution network low-voltage JP cabinet grounding wire device

A grounding wire and low-voltage technology, which is applied in the field of grounding wire devices for low-voltage JP cabinets in distribution networks, can solve problems such as climbing poles and falling people, unable to install grounding wires, and increasing the difficulty of operations for operators.

Pending Publication Date: 2021-04-09
云南电网有限责任公司丽江宁蒗供电局
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  • Abstract
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Problems solved by technology

[0003] It is necessary to install the grounding wire on the 0.4kV #1 pole for the maintenance of the low-voltage side of the transformer, especially on the low-voltage tower in the urban area, there are multiple down-hom

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  • Distribution network low-voltage JP cabinet grounding wire device
  • Distribution network low-voltage JP cabinet grounding wire device
  • Distribution network low-voltage JP cabinet grounding wire device

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[0027]Next, the technical solutions in the embodiments of the present invention will be apparent from the embodiment of the present invention, and it is clearly described, and it is understood that the described embodiments are merely embodiments of the present invention, not all of the embodiments.

[0028]ReferFigure 1-3, A networked low-voltage JP cabinet connection grounding device, including: JP cabinet 1 and mechanical linkage knife mechanism 4;

[0029]The JP Cabinet 1 is fixedly mounted with air switch 3 through the mounting frame 2, the mechanical linkage knife mechanism 4 is mounted inside the JP cabinet 1, and the mechanical linkage knife mechanism 4 includes a plurality of adapter, and 3 air switches. The connected three-phase fire line 5 is connected to the mechanical linkage knife mechanism 4, and the outlet end of the air switch 3 is applied to the ground connection line 6, and the ground connection line 6 is connected to the mechanical linkage knife mechanism 4.

[0030]The m...

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Abstract

The invention discloses a distribution network low-voltage JP cabinet grounding wire device. The device comprises a JP cabinet and a mechanical linkage knife switch mechanism. An air switch is fixedly installed in the JP cabinet through an installation frame, the mechanical linkage knife switch mechanism is installed in the JP cabinet, the mechanical linkage knife switch mechanism comprises a plurality of wire inlet ends, and three-phase live wires connected with a plurality of wire outlet ends of the air switch are connected with the wire inlet ends of the mechanical linkage knife switch mechanism. According to the invention, the wire outlet end of the air switch is additionally connected with a grounding connection wire, the grounding connection wire and the three-phase live wire combination of the air switch are connected with the mechanical linkage knife switch mechanism, and linkage control with the air switch is realized through the mechanical linkage knife switch mechanism, i.e., open circuit of the three-phase live wire and closed circuit of the grounding connection wire; and the three-phase live wire is closed, and the grounding connecting wire is open, thereby achieving the good grounding of the three-phase live wire, reducing the workload of a distribution network operation and maintenance worker, and reducing the personal injury risk of the distribution network operation and maintenance worker caused by the suspension of a grounding wire.

Description

technical field [0001] The invention relates to the technical field of low-voltage JP cabinets, in particular to a grounding wire device for a low-voltage JP cabinet of a distribution network. Background technique [0002] The integrated power distribution cabinet of distribution transformer is referred to as JP cabinet. With the continuous deepening of rural power grid transformation, a large number of JP cabinets are used in rural power lines and distribution stations. JP cabinets are designed to adapt to the standardization of rural low-voltage power distribution Designed for miniaturization and outdoor requirements, it integrates power distribution, metering, protection, and reactive power compensation of capacitors. [0003] It is necessary to install the grounding wire on the 0.4kV #1 pole for the maintenance of the low-voltage side of the transformer, especially on the low-voltage tower in the urban area, there are multiple down-home lines and optical cables for China...

Claims

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Application Information

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IPC IPC(8): H02B1/16H01H31/10H01H31/00
CPCH02B1/16H01H31/10H01H31/003Y02E40/30
Inventor 毛志才彭思行陈胜荣张崇亮胡敏杨天元
Owner 云南电网有限责任公司丽江宁蒗供电局
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