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Linear motor operating mechanism of high-voltage breaker

A high-voltage circuit breaker, linear motor technology, applied in the protection switch operation/release mechanism, electric components, electrical components, etc., can solve the problems of uncontrollable movement process, unreliable long-term operation, and large action dispersion, and achieve a simple structure. Reliable, light weight, controllable effect during movement

Inactive Publication Date: 2007-05-30
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the movement dispersion of these operating mechanisms is also relatively large.
The structure is relatively complex, the number of parts is large, and the processing requirements are high
Uncontrollable motion process, low efficiency, unstable characteristics, unreliable long-term operation, etc.

Method used

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  • Linear motor operating mechanism of high-voltage breaker
  • Linear motor operating mechanism of high-voltage breaker
  • Linear motor operating mechanism of high-voltage breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0045] Embodiment: As shown in Figure 1, the present invention includes a linear motor and a servo controller, the secondary 11 of the linear motor and the moving contact 7 of the high-voltage circuit breaker are connected through an insulating pull rod 9, and the linear motor 18 passes through the armature on it Winding 3 and position and speed sensors are connected to the servo controller.

[0046] The structure of the linear motor is shown in Figure 2, including primary iron core 1, secondary iron core 4, permanent magnet 5, position and speed sensors, which are distributed sequentially from inside to outside along the radial direction: secondary iron core 4, armature winding 3, primary Iron core 1, housing 13, primary iron core 1 is made of silicon steel sheets laminated into several groove-shaped structures, armature winding 3 is placed in the groove 12 on the side opposite to secondary iron core 4, and secondary iron core 4 is sequentially embedded with Permanent magnets...

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PUM

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Abstract

This invention relates to one high voltage breaker linear motor operation structure, which belongs to transducer device technique field, which comprises linear motor and its servo controller, wherein, the linear motor secondary or high voltage breaker dynamic probe are connected through isolation pull bar; the linear motor is connected to speed sensor and servo controller through isolation pull bar.

Description

technical field [0001] The invention belongs to the technical field of power transmission and transformation equipment, and in particular relates to a linear motor operating mechanism of a high-voltage circuit breaker, which is suitable for intelligent operation of the circuit breaker. technical background [0002] The high-voltage circuit breaker plays the role of control and protection in the power grid. It is an important equipment in the field of power transmission and transformation. It not only ensures the long-term operation reliability of the circuit breaker, but also meets the requirements of the arc extinguishing characteristics for the operating mechanism. For this reason, circuit breakers are required to have good operating performance. The circuit breaker operating mechanism used today adopts spring, hydraulic or pneumatic technology, all of which are traditional mechanical designs. They are mainly composed of connecting rods, locks, and energy supply systems. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/42H01H3/26H02K41/02H02P6/16
Inventor 林莘马跃乾徐建源刘爱民
Owner SHENYANG POLYTECHNIC UNIV
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