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Study on the Photoelectric Firing and Monitoring System for High Voltage Thyristor Valves

Author: RenMengGan
Tutor: ZhangWenTao；TangGuangFu
School: China Electric Power Research Institute
Course: Power Electronics and Power Drives
Keywords: Thyristor valve Photoelectric conversion Trigger system Monitoring system Valve -based electronic devices Thyristor electronic board
CLC: TM764
Type: Master's thesis
Year: 2002
Downloads: 381
Quote: 13
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Abstract


With the development of power electronics technology, power electronic devices in the power system is increasingly widespread. The purpose of the high pressure valve trigger and monitoring system, the requirements of the device is getting higher and higher, and electromagnetic triggering and monitoring methods can not meet the requirements of the device, the thyristor triggering and monitoring the thyristor valve photoelectric trigger online monitoring has become mainstream. In the country, there is no specialized engaged in the research and development, this paper aims to develop a set of engineering applications trigger line monitoring system of high-voltage thyristor valve photoelectric. The photoelectric conversion and fiber works is one of the foundations of the theory of the photoelectric trigger line monitoring system, this paper introduces basic principles on the basis of further proposed in engineering application process should be noted and given some specific recommendations. Thyristor electronic board (TE, Thyristor Electronics) is an important part of the high-voltage thyristor valve photoelectric trigger and online monitoring system, it is located in the high-pressure side of the device, one of the core components of the thyristor valve trigger and condition monitoring, the paper describes the TE The board works and concrete realization. TE board core technology transfer circuit design, this article in the discussion of a variety of detailed simulation analysis of the RC circuit to take the way of energy to discuss the impact of RC to take to be able to loop the normal work of a variety of factors to take on the basis of the way of energy, . On this basis, given the results of the the TE board high-pressure experiments, thereby verifying the conclusions of the simulation analysis. The valve base electronic equipment (VBE, Valve Base Electronics) is located in the ground potential, mainly constituted by the trigger circuit and monitoring circuit, it is an important part of the high-voltage thyristor valve photoelectric trigger with online monitoring system. The core technology of the trigger loop pulse code generation circuit design, in the paper, a detailed analysis of the circuit timing. The monitoring circuit is mainly constituted by the SCM system, given on the basis of its working principle and the details about the program flow chart. This article also describes the specific application of voltage thyristor valve photoelectric trigger line monitoring system developed in the TCR Engineering of Tangshan Iron and Steel Group. In the final, the future direction of the high-voltage thyristor valve trigger line monitoring system for the further development.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Distant measurement and remote control
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