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Transformer station combined protective electrical appliance

A combined technology for protecting electrical appliances, which is applied to the board/panel/desk of the substation/switchgear, the configuration/arrangement of fuses, etc., can solve the problems of cumbersome installation process, complicated maintenance and complex structure, etc. Longevity, improved line insulation, reduced complexity

Active Publication Date: 2017-02-22
YUNCHENG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, its structure is relatively complicated, the installation process is cumbersome, and the final maintenance is also quite complicated.

Method used

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  • Transformer station combined protective electrical appliance
  • Transformer station combined protective electrical appliance
  • Transformer station combined protective electrical appliance

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Embodiment Construction

[0018] In order to make the technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments and accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all of the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0019] like figure 1 and figure 2 As shown, the present invention proposes a combined protective device with changing platform, which includes a fuse 1, a lightning arrester 2 and a connecting plate 3; The top is provided with a sealed wire inlet sleeve 12, the wire inlet sleeve 12 is provided with an inlet line, and the bottom of the porcelain sleeve 11 is provided with a sealed rubber cover 13,...

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Abstract

The invention provides a transformer station combined protective electrical appliance, comprising a fuse, a lightning arrester and a connecting plate; the fuse comprises a porcelain sleeve, a sealed wire inlet sleeve is arranged at the top of the porcelain sleeve, an inlet wire is arranged in the wire inlet sleeve, a sealed rubber cover is arranged at the bottom of the porcelain sleeve, the rubber cover is provided with a fuse carrier inlet and a sealed wire outlet sleeve, an outlet wire is arranged in the wire outlet sleeve, a hoop is arranged outside the porcelain sleeve, and the hoop is provided with a connecting portion connected with a fuse cross arm; a metal connecting portion is formed at the top of the lightning arrester, an insulating cover is arranged at the bottom of the lightning arrester, a wire inlet lead and a wire outlet lead are arranged on the insulating cover, and he outlet wire on the fuse is electrically connected with the wire inlet lead on the lightning arrester; one end of the connecting plate is connected with the connecting portion on the hoop, the other end of the connecting plate is fixedly connected with the metal connecting portion of the lightning arrester, and a grounding terminal is arranged on the connecting plate. The transformer station combined protective electrical appliance is simple in structure and convenient to install, and can be widely applied in the field of power.

Description

technical field [0001] The invention relates to a platform-changing combined protection appliance, which belongs to the technical field of electric power transmission. Background technique [0002] High-voltage combined electrical appliances are divided into two types: open type and fully enclosed type according to the insulation structure. The former is based on an isolating switch or a circuit breaker, and is composed of components such as a current transformer, a voltage transformer, and a cable head. The latter is to seal the high-voltage live parts of each component in a grounded metal shell, and the shell is filled with gas, oil or solid insulating medium with good insulation properties. Transformers, current transformers, busbars, lightning arresters, cable terminals, etc.) are connected in sequence and form a whole according to the wiring requirements. Sulfur hexafluoride (SF6) fully enclosed electrical appliances that appeared in the 1960s have the characteristics...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/18H02B1/04
CPCH02B1/04H02B1/18
Inventor 杨丕忠丁建学卢德民邓文明郭敏王向阳
Owner YUNCHENG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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