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High pressure switch mechanical properties testing technology

Author: LiChao
Tutor: XuHong;ZhangLi
School: Shenyang University of Technology
Course: Detection Technology and Automation
Keywords: High-voltage switchgear Mechanical characteristics DSP Software Metering
CLC: TM564
Type: Master's thesis
Year: 2012
Downloads: 70
Quote: 1
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Abstract


High voltage switch is mainly protect the electrical equipment in power system, and it also shoulders the burden of power grid can run well. High voltage switch can accurate and timely close or cut off electric power line, to a large extent depends on the original mechanical switch itself can normal operation. In order to ensure the normal operation of switch to, be about to switch to mechanical properties test. The traditional testing method has many limitations, such as measurement error is large, anti-interference ability is poor, poor real-time performance. For this defect, this paper puts forward a set of optimized switch mechanical properties test. This paper first introduces the structure of high voltage switch, purpose and significance of the switch test. On the measurement scheme, choose the displacement of the grating sensor switch contact and the speed of contact points and closing. Used the new software counting method, replacing the traditional number counting method. Use light oscillograph contact measurement points and closing time. On the hardware design, this paper chose DSP TMS320F2812 as the core controller, use C language as the programming language of this design. This article also additional lightning protection circuit is designed, improved the security and reliability of the whole system.

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CLC: > Industrial Technology > Electrotechnical > Electrical > Electrical switches,circuit breakers > Variety of switching
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