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1、合肥工業(yè)大學(xué)碩士學(xué)位論文柱上型高壓無(wú)功自動(dòng)補(bǔ)償系統(tǒng)設(shè)計(jì)與制作姓名：秦建民申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電氣工程指導(dǎo)教師：孫鳴;李中樹(shù)20030416柱上型高壓無(wú)功自動(dòng)補(bǔ)償系統(tǒng)設(shè)計(jì)與制作摘要文章以油陽(yáng)6KV輸配電線路為例，針對(duì)多分支樹(shù)狀結(jié)構(gòu)線路的特正i，研制出由單片機(jī)系統(tǒng)控制的戶外拄卜型高壓電容器自動(dòng)補(bǔ)償系統(tǒng)。該系統(tǒng)采用了測(cè)量點(diǎn)與補(bǔ)償點(diǎn)與分丌的方式，實(shí)現(xiàn)了區(qū)域性無(wú)功負(fù)荷監(jiān)視，使無(wú)功補(bǔ)償點(diǎn)可以安置在區(qū)域性分散負(fù)荷的中心部位，最大程度地利用了補(bǔ)償容量，有效地縮短了無(wú)功電流傳輸?shù)木嚯x，降低了電網(wǎng)的有功損耗。系統(tǒng)在優(yōu)化控制技術(shù)中采用了電容器補(bǔ)償控制的兩段控制模型，不僅解決了分支線路之
2、'白J穿越無(wú)功電流
3、的最優(yōu)控制問(wèn)題，實(shí)現(xiàn)了功率因數(shù)的自動(dòng)跟蹤，而且使整個(gè)系統(tǒng)的可靠性大大提高。文章利用電磁感應(yīng)原理和數(shù)字通訊技術(shù)結(jié)合試驗(yàn)設(shè)計(jì)出電源自給式高壓線路無(wú)線信號(hào)采集裝置，解決了配電網(wǎng)分支線路無(wú)功參數(shù)不易測(cè)量的問(wèn)題。文章還介紹了系統(tǒng)無(wú)功補(bǔ)償容量及安裝位置的計(jì)算方法，較為具體的講述了無(wú)功功率采集器、無(wú)功優(yōu)化控制器以及補(bǔ)償電容操作器等一系列裝置的設(shè)計(jì)方法和制作原理。通過(guò)經(jīng)濟(jì)技術(shù)比較提出了一整套切實(shí)可行的無(wú)功補(bǔ)償系統(tǒng)硬件制作方案。關(guān)鍵詞：柱上型、無(wú)功補(bǔ)償、兩段控制模型、無(wú)線數(shù)據(jù)采集TheDesignAndRealizationofHighVoltageReactivepowerAutomotiveCompe
4、nsationSystemOnPoleAbstractInoilfield，feederiineof6KVoftenhasmanybranches．Thepolehighvoltageautomotivecapacitorcompensationsystemcontrolledbysinglechipcomputerisdesignedforthissituation．Inthesystem，weseparatethemeasurepositionandcompensaionpositionandrealizethesupervisionofreactiveloadinlocalarea
5、Thusthereactivecompensatorcanbelocatedinthecenterofthedistributedloadintheareaandmakethebestuserofthecompensator’scapacity．ThedistanceflowedbythereactivecurrentisefficientlyreducedandtheactivelossofpowernetGoesdown．Two—stagecontrolmodelisadoptedintheoptimizedcontroltechniqueofthesystem．Itnotonlys
6、olvestheproblemofoptimizedcontrolofthereactivecurrentexchangingamongbranches，inotherwords，realizestheauto-trackingtothereactancefactor’butalsogreatlyimprovedthereliabilityofthesystem．Todesignthehighvoltagelinewirelesssignalacquisitiondevicewithself-feedsource，weappliedelectromagnetinductionprinci
7、pleanddigitalcommunicationtechnique．ThedeviceCanmeasurereactiveparametersindistributionpowernetwhicharegenerallyconsideredtohedifficultlymeasuredpaperalsointroducesthecalculatingmethodofthereactivecompensationcapacityanditsoptimallocation，thedesignmethodandrealizationprincipleoftheseriesdevices，s
8、uchasthereactivepoweracquisitiondevice，thereactivepoweroptimizedcontrollerandthecompensationcapacitoroperator，isseatedindetailThrougheconomicandtechnicalcomparison，arealistichardwareschemeofreactivepowercompensationsys
