Outdoor integrated intelligent combined electric appliance

Abstract

The invention relates to the field of electric power system middle-high voltage power transmission and distribution, and specifically relates to an outdoor integrated intelligent combined electric appliance. Aimed at a high-voltage switchgear and a control device in an existing power distribution system, a brand new structural style is used to replace a plurality of original devices of a pole-mounting type distribution unit area, that is, electric appliance devices (a load switches, a grounding switch, fuses, a lightning arrester) on a high-voltage side are designed in an integrated manner. All-insulation, full-sealing, and all-shielding technologies are used, and protection on a distribution transformer and a circuit is realized through the load switch, the fuse, the lightning arrester, and other functional assemblies. The combined electric appliance uses design of outdoor three-position load switch, and the load switch and the grounding switch are integrated, and current-limiting fuses are added for protection. The load switch uses SF6 gas to extinguish arc. The air chamber of the load switch is a closed part made of stainless steel. A fuse cabin is a closed part made of an epoxy resin material. Thus, the combined electric appliance has good sealing effect.

Description

technical field [0001] The invention relates to the field of high-voltage power transmission and distribution in power systems, in particular to an outdoor integrated intelligent combined electrical appliance. Background technique [0002] The existing technology is composed of high-voltage drop-out fuses, lightning arresters, voltage transformers, current transformers, and medium-voltage cable accessories, and has the following problems: 1. Unreasonable structure, poor safety, non-compliance with standards, and poor interchangeability 1. Complex installation and maintenance, difficult intensive procurement; 2. Long construction time, heavy on-site workload, and serious waste of materials; There are many safety hazards, which cause inconvenience in live work, and the safety and reliability of distribution transformer operation are poor; Fourth, the operation, maintenance and management are inconvenient, and the difficulty and complexity of operation and maintenance work are ...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the above-mentioned technical defects existing in the prior art, the purpose of the present invention is to provide an outdoor integrated intelligent combined electrical appliance, which is used to solve the problem of unreasonable structure type of high-voltage switchgear and control equipment in the existing distribution network system, and problems of installation, operation and maintenance. Inconvenient shortcomings, using an integrated and combined structure to achieve full insulation, full sealing, and full shielding of the distribution network system, fully guaranteeing personal safety and equipment operation safety

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