摘要：用于抽水蓄能機(jī)組起動(dòng)的靜止變頻器，其整流逆變橋通常采用普通晶閘管。本文建立了抽水蓄能機(jī)組靜止變頻器在電流、頻率閉環(huán)控制下的數(shù)學(xué)模型。建模過程中對(duì)變頻器逆變側(cè)晶閘管的換流重疊角進(jìn)行了簡(jiǎn)化處理，提出以定逆變側(cè)控制角連續(xù)調(diào)節(jié)整流側(cè)控制角實(shí)現(xiàn)調(diào)壓調(diào)頻的控制方案。仿真得出抽水蓄能機(jī)組靜止變頻起動(dòng)系統(tǒng)各物理量的變化規(guī)律。 關(guān)鍵詞：靜止變頻器；抽水蓄能發(fā)電機(jī)組；仿真；起動(dòng) [b][align=center]Modeling and Simulation of the Variable Frequency Starting Process of Pumped Storage Generating Units HE Xiong—kai，M AO Cheng-xiong，LU Ji-ming （College of Electrical＆ Electronic Engineering，Huazhong University of Science and Technology，W uhan 430074，China）[/align][/b] Abstract：The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge．In this paper．a(chǎn) mathematical model of static frequency converter starting with current and frequency closed·loop control for pumped storage units is established．In the thyristor inverting process，converting overlap angel at freq uency converter’S inverting side has been simplified．A controlling scheme of continuously adjusting rectifying side’S controlling angle with static inverting side’S control angle is proposed to realize the frequency modulation an d voltage regulation．The fiend of each physical quantity of the static frequency converter starting system is obtained by simulation． Key words：static freq uency converter；pumped storage ma chine；simulation；starting 引言 抽水蓄能機(jī)組運(yùn)行的主要特點(diǎn)是起停頻繁，起動(dòng)技術(shù)是大型抽水蓄能機(jī)組的關(guān)鍵技術(shù)之一，在大型抽水蓄能機(jī)組的起動(dòng)方法中，靜止變頻器起動(dòng)方法是較受歡迎的起動(dòng)方法。在起動(dòng)過程中，頻率和電壓從零開始逐漸上升到額定值，一般要經(jīng)過2～10min。對(duì)于抽水蓄能機(jī)組的靜止變頻器起動(dòng)問題，國(guó)內(nèi)近年來有一些文獻(xiàn)研究。用靜止變頻器起動(dòng)同步機(jī)組自60年代提出以來，80年代開展了對(duì)各種起動(dòng)方式的比較以及起動(dòng)過程和時(shí)間的研究。 [b][align=center]詳細(xì)內(nèi)容請(qǐng)點(diǎn)擊： 抽水蓄能發(fā)電機(jī)組變頻起動(dòng)過程的建模及仿真[/align][/b]