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Research and Setting Software Development of Generator-Transformer Group Protection Relays

Author: LiJinZuo
Tutor: ZhouLiangSong
School: Huazhong University of Science and Technology
Course: Proceedings of the
Keywords: Generator-transformer group Protection relays setting software Practicality Template
CLC: TM77
Type: Master's thesis
Year: 2013
Downloads: 10
Quote: 0
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Abstract


Generator-transformer group protection relays setting is a necessary prerequisite for thesafe and reliable operation of generator-transformer group, For a long time, Thegenerator-transformer group protection relays setting has always been setted by the hand,It is such a heavy workload that take much time an make mistake easily, The author hadinvolved more than one those projects,Knowing those problems deeply.With the rapid development of China’s electric power industry, Grid, Scale power plantsand generator group capacity of expanding, Generator-transformer group relays setting’sworkload and difficulty is gradually increasing. Practicality issues,According to the relayssetting process of those projects,Author develop a set of practical relays setting software,Generator-transformer group relays staff can reduce labor intensity, Iimproving theefficiency of the relays setting work and effectiveness.Author firstly analyzes the configuration program and tuning principle of somegenerator-transformer protection relays setting which there is no directions in "principle ofgenerator-transformer protection relays setting", And the same in the protection relaysmanufacturersrs’s instructions. Author had drawed some useful conclusions by analysisingthe principle of the protection relays and the manufacturers instructions.Secondly,Author developed a practical generator-transformer group protection relayssetting software.The software uses Qt Creater compile environment and tuning process isdivided into Protection,Parameter,Setting,Result four modules.Protection and Parametermodule uses XML technology for storing input parameters.Setting module using onlinecompile,It reduce program size and enhanced scalability by compiling the code on theprotection template. Result module use VBA technology to output the word format settinglist and setting artwork which for experts reviewed.This software has some practical value,It is used in project of the Xinmin#3and#4group protection relays setting,Chapter IV is the instance.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system protection
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