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Improved Contactor Assembly for High Current Switching Applications

A current switching and contactor technology, which is used in high-voltage/high-current switches, power devices inside switches, high-voltage air circuit breakers, etc., which can solve the problems of complex and expensive motion mechanisms, and inability to achieve compact design of contactor devices.

Active Publication Date: 2021-11-09
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] Known kinematics of the movable contact are generally complex, expensive and do not allow a compact design of the contactor arrangement

Method used

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  • Improved Contactor Assembly for High Current Switching Applications
  • Improved Contactor Assembly for High Current Switching Applications
  • Improved Contactor Assembly for High Current Switching Applications

Examples

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Embodiment Construction

[0041] Referring to the accompanying drawings, a contactor realized in accordance with the present invention is schematically shown at 1 throughout.

[0042] The contactor 1 is particularly intended for industrial or railway applications where high-intensity direct currents have to be switched on and off for high-frequency switching actions.

[0043] Just to reflect the operating conditions and range of current values ​​involved with these types of contactors, it should be noted that these devices must be capable of operating at least in the range between 400A and 1800A and in the operating voltage range between 1000V and 4000V ground switching current.

[0044] These operating ranges can even involve single-stage contactors. However, in many applications it is desirable to provide bipolar and / or tripolar configurations.

[0045] In this respect, the contactor 1 of the invention has a modular structure involving a single-pole configuration which, according to the needs of th...

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PUM

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Abstract

The present invention relates to an improved contactor arrangement (1) for high-intensity current switching applications, in particular industrial or railway applications where high-intensity direct currents have to be switched on and off, said contactor arrangement (1) comprising A switch base part (2) comprising an electrical switching member of a high voltage part (5) and an arc extinguishing part (3) covering said switching member. Advantageously, the contactor arrangement of the invention comprises a pair of movable contacts (21, 22) driven towards and away from each other with respect to mutual contact and abutment positions, these movable contacts (21, 22) being mounted on the toggle mechanism At the respective contact ends (23, 24) of (30), the toggle mechanism is actuated by a low voltage drive part (4) incorporated in the switch base part and acting on the toggle on the section mechanism (30).

Description

technical field [0001] The present invention relates to an improved contactor arrangement for high current switching applications. [0002] More particularly but not exclusively, the present invention relates to contactor arrangements for industrial or railway applications in which high-intensity direct currents must be switched on and off with high-frequency switching actions. Background technique [0003] Well known in this particular technical field, contactors are remote controlled switches with electromagnetic actuators. [0004] In general, there is a difference between a control circuit for a contactor with a contactor coil and a load circuit for a contactor switched with a connected load. [0005] In many cases, once sufficient starting current flows through the contactor coil, the contactor responds and turns on the load connected in the load circuit. In order to maintain the contactor in this state, a holding current must flow through the contactor. [0006] Aft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/28H01H33/59H01H3/46H01H9/36H01H9/44
CPCH01H3/28H01H9/362H01H33/596H01H2003/466H01H3/46H01H9/36H01H33/59H01H9/443
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
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