Among them unified power quality controller ( upqc ) is a better set , which can compensate voltage 、 current and promote power quality 統(tǒng)一電能質(zhì)量控制器( unifiedpowerqualitycontroller ,簡(jiǎn)寫為upqc )則是其中一種能夠綜合補(bǔ)償電壓、電流,改善電能質(zhì)量的裝置。
Dynamic voltage restorer ( dvr ) is an important member of custom power family . it can compensate voltage harmonic , fliker , sag , swell , unbalance , and has the advantage of high performance / price , so it is necessary to investigate the theory and operation of dvr 動(dòng)態(tài)電壓恢復(fù)器( dynamicvoltagerestorer ? dvr )是custompower家族的一個(gè)重要成員,它可以補(bǔ)償電壓的跌落、突升以及諧波,具有高性價(jià)比的優(yōu)點(diǎn)。
According to zero sequence voltage distribution from system zero sequence impedance to shunt reactor zero sequence in zero sequence circuit , the zero sequence voltage at the terminal of shunt reactor and the zero sequence compensating voltage at neutral are compared in the scheme 即根據(jù)零序網(wǎng)絡(luò)中零序電壓在系統(tǒng)零序阻抗和電抗器零序阻抗上的分布情況,通過直接比較電抗器首端零序電壓與補(bǔ)償?shù)诫娍蛊髂┒酥行渣c(diǎn)的零序補(bǔ)償電壓的幅值大小,來判別電抗器匝間故障。
The chip is accomplished in the full cooperation with other team members , the author pays particular attention to the analysis of the whole chip architecture and three sub - block design : transconductance amplifier ( ota ) , voltage reference and current reference . based on existed technologies , a new high order temperature compensated voltage reference and a creative current reference with high order temperature compensation are shown respectively . the author simulated all the sub - block and whole chip by hspice 該芯片的設(shè)計(jì)是由小組成員共同完成,本人主要負(fù)責(zé)了總體電路的分析、聯(lián)合仿真驗(yàn)證及以下三個(gè)子電路的設(shè)計(jì): 1 、跨導(dǎo)放大器,詳細(xì)分析了bandgap跨導(dǎo)放大器輸入級(jí)的動(dòng)靜態(tài)特性及其優(yōu)缺點(diǎn),并結(jié)合系統(tǒng)要求,設(shè)計(jì)了一種與cmos工藝相兼容、可替代bandgap跨導(dǎo)放大器的低壓共源共柵跨導(dǎo)放大器。
Djw - wb 、 sjw - wb series single and three phase & large - power auto compensated voltage regulator , incorporating advanced technology of group winding compensation and mon - contact suitch and micro - computer controling ac regulation , with functions of high effeciancy quick regulating ou - to - balance of three phases no mechanical no mechanical broken down and wear of carbon brush and time delay over and low load warning and protection 集先進(jìn)的組合繞組補(bǔ)償方式和無觸點(diǎn)開關(guān)、微機(jī)控制交流穩(wěn)壓技術(shù)于一體,具有高效節(jié)能、調(diào)節(jié)快速、三相自動(dòng)平衡、無機(jī)械故障和碳刷磨損,并具有延時(shí),過、欠壓報(bào)警和保護(hù)等功能。