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Power distribution protecting device

A technology of power distribution protection and short-circuit protector, which is applied in the field of electric power, can solve the problems of lack of real-time monitoring and display of signals, insufficient accuracy of circuit breaker action, etc., to achieve the effect of ensuring balanced operation and realizing power distribution protection

Inactive Publication Date: 2016-11-23
安徽众升电力科技有限公司
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  • Abstract
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Problems solved by technology

[0004] The invention proposes a power distribution protection device, which solves the problem of insuffi

Method used

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[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] Such as figure 1 As shown, the power distribution protection device includes a controller, the controller is connected with a short circuit protector, the controller determines the expected short circuit current of the power supply equipment according to the parameters of the power equipment, and the short circuit protector monitors the power equipment in real time. Operating short-circuit current, when the monitored operating sho...

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Abstract

The invention provides a power distribution protecting device. The power distribution protecting device comprises a controller, wherein the controller is connected with a short-circuit protector and determines expected short-circuit current of power supply equipment according to electrical equipment; the short-circuit protector monitors running short-circuit current of the electrical equipment in real time; and when the monitored running short-circuit current reaches expected short-circuit current and the short-circuit time exceeds a first preset threshold value, the short-circuit protector cuts off a power supply of the electrical equipment. By the power distribution protecting device, a low-voltage power distribution system is protected, action precision is improved, and signals are monitored and displayed in real time.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to a power distribution protection device. Background technique [0002] At present, with the rapid development of the economy, the low-voltage (AC not exceeding 1000V or DC not exceeding 1500V) power distribution system occupies a dominant position. The link with the most equipment, the longest line, and the largest power consumption is inseparable from the low-voltage power distribution system in factories, mines, cities, and rural areas. Therefore, the reasonable, safe, efficient and stable operation of the low-voltage power distribution system, It is directly related to the reliability and quality of electricity consumption of the majority of users, so it is of great significance to protect the distribution lines and control equipment of the low-voltage distribution system. At present, molded case circuit breakers, fuses or leakage circuit breakers are mostly...

Claims

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Application Information

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IPC IPC(8): H02H7/26H02J3/26H02J13/00
CPCH02H7/26H02J3/26H02J13/00001Y02E40/50Y02E60/00Y04S10/20
Inventor 孙文传
Owner 安徽众升电力科技有限公司
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