Circuit breaker equipped with permanent magnetic mechanism and speed control device and method for circuit breaker

A permanent magnet mechanism and control device technology, applied in the field of power systems, can solve the problems of reducing the mechanical life of the circuit breaker, and the closing/opening speed of the circuit breaker cannot be intelligently controlled, etc.

Active Publication Date: 2015-05-27
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to solve the problem that the closing/opening speed of the existing circuit breaker cannot be intelligently controlled, which seriously reduces the mechanical life of the circuit breaker, and provide a method that ca

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Circuit breaker equipped with permanent magnetic mechanism and speed control device and method for circuit breaker
  • Circuit breaker equipped with permanent magnetic mechanism and speed control device and method for circuit breaker
  • Circuit breaker equipped with permanent magnetic mechanism and speed control device and method for circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below according to the drawings and embodiments. It should be understood that the specific implementations described here are only used to explain the present invention, not to limit the present invention.

[0021] like figure 1 As shown, a speed regulation control device for a circuit breaker with a permanent magnet mechanism, including a permanent magnet control module 120, a signal acquisition module 140 and a high-speed digital processing module 160, the permanent magnet control module 120 and the signal acquisition module 140 are respectively connected with The high-speed digital processing module 160 is connected, and the high-speed digital processing module 160 has a built-in correspondence table between the load state and the mechanical characteristics of the permanent magnet mechanism circuit breaker;

[002...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a circuit breaker equipped with a permanent magnetic mechanism and a speed control device and method for the circuit breaker. The device comprises a permanent magnetic control module, a signal acquisition module and a high-speed digital processing module, wherein the signal acquisition module is used for acquiring a load state parameter of the circuit breaker; the high-speed digital processing module is used for looking up mechanical properties of the circuit breaker equipped with the permanent magnetic mechanism at that time according to a known corresponding relation table of a load state and the mechanical properties of the circuit breaker equipped with the permanent magnetic mechanism and adjusting and inputting a duty ratio of a PWM (pulse width modulation) wave of the circuit breaker equipped with the permanent magnetic mechanism; the permanent magnetic control module is used for controlling the opening/closing speed of the to-be-controlled circuit breaker equipped with the permanent magnetic mechanism according to the PWM wave subjected to duty ratio adjustment. Reasonable control on the opening/closing speed of the circuit breaker equipped with the permanent magnetic mechanism can be intelligently and reasonably realized, so that the influence of impact of the circuit breaker equipped with the permanent magnetic mechanism on service life of the circuit breaker equipped with the permanent magnetic mechanism is avoided and the mechanical life of the circuit breaker equipped with the permanent magnetic mechanism is prolonged.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a circuit breaker equipped with a permanent magnet mechanism and a speed regulation control device and method thereof. Background technique [0002] The circuit breaker with permanent magnet mechanism is a new type of operating mechanism vacuum circuit breaker that has gradually emerged in recent years. The characteristics of its permanent magnet mechanism are: driven by electromagnetic force and maintained by permanent magnetic force; Stable characteristics, strong expansibility, easy to realize the miniaturization and intelligentization of switchgear, so it is favored by scientific research institutes and manufacturing units, and it is one of the development trends of vacuum circuit breakers; during the closing operation of vacuum circuit breakers, The permanent magnet mechanism has a good force-closing stroke characteristic, which is very close to the closing operation r...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H01H71/10
CPCH01H71/32H01H71/68
Inventor 张显聪王勇陆国俊顾乐陈俊黄慧红杨柳
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap