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High speed circuit breaker for industrial and railways applications

A high-speed circuit breaker, circuit breaker technology, applied in high-voltage air circuit breakers, circuits, high-voltage/high-current switches, etc., can solve problems such as speeding up the interruption time

Active Publication Date: 2020-01-03
迈科伊莱翠卡赛提飞卡股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, this solution has limitations depending on the voltage applied to such a coil, and this speeds up the interruption time more or less

Method used

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  • High speed circuit breaker for industrial and railways applications
  • High speed circuit breaker for industrial and railways applications
  • High speed circuit breaker for industrial and railways applications

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0048] Referring to the accompanying drawings, reference number 1 schematically shows a high-speed circuit breaker realized according to the present invention as a whole.

[0049] The circuit breaker 1 has a substantially square parallelepiped shape with a base and a top, two main sides and two thickness sides.

[0050] The circuit breaker 1 is especially used in industrial or railway applications where high DC currents have to be interrupted with high efficiency and extremely fast intervention times.

[0051] For example, the circuit breaker 1 of the invention is configured for use on electrical equipment operating in the presence of severe overcurrent or overvoltage or short circuits that may occur in substations of subway lines.

[0052]However, the use of such a circuit breaker 1 is not excluded in all applications in which high DC currents have to be interrupted as quickly as possible, for example in railway stations, on trains or in factories.

[0053] Just to give an i...

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PUM

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Abstract

The present invention relates to an improved high speed breaker (1) for industrial or railways applications wherein a high D.C. current must be interrupted with high efficiency and extremely fast intervention times. The breaker (1) includes in a casing ( 10) a base portion (2), supporting: an activating mechanism (3) for switching means including a holding mechanism (20, 2 1) and a release mechanism (40), an intermediate switching or breaking contacts portion (4), including fixed contacts (5) and movable contacts (6), and a top arc chute extinguishing portion (7) covering said switching or breaking contact portion (4), and is characterized by comprising: intermediate delimiting portions (16, 18) provided on both sides of said casing (10) to delimit laterally the intermediate switching or breaking contact portion (4) and to provide lateral guides for said arc chute extinguishing portion (7); with the arc chute extinguishing portion (7) being slidably mounted in the casing (10); and withat least a lever (25) mechanism extended transversally between the opposite intermediate delimiting portions (16, 18) for moving or raising the arc chute extinguishing portion (7) in case of an inspection.

Description

technical field [0001] The present invention relates to an improved high speed circuit breaker for industrial and railway applications. [0002] More particularly but not exclusively, the present invention relates to a high-speed circuit breaker for industrial or railway applications where high DC currents must be interrupted with high efficiency and extremely fast intervention times. Background technique [0003] As is well known in this specific technical field, a circuit breaker is an automatically operated electrical switch designed to protect electrical circuits from damage caused by overcurrent or overload or short circuits. Its basic function is to interrupt the current flow after a fault is detected by the protective relay. [0004] High Speed ​​Circuit Breakers (HSCBs) are single pole circuit breakers designed for use in high energy and high reliability DC power distribution systems. These circuit breakers are used in a variety of applications to protect equipment...

Claims

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Application Information

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IPC IPC(8): H01H9/34H01H33/59H01H9/38
CPCH01H9/345H01H9/38H01H33/596H01H9/34H01H9/346H01H33/08
Inventor C·蒙代利尼M·科尔纳L·斯滕达尔迪
Owner 迈科伊莱翠卡赛提飞卡股份公司