《IC698CPE010》
【廈門光沃自動化設備有限公司】
【聯(lián) 系 人：陳】
【：】
【24小時開機： 】
【工作: 】
《IC698CPE010》
《IC698CPE010》
SPWM法從電動機供電電源的角度出發(fā)，著眼于如何產(chǎn)生一個可調(diào)頻調(diào)壓的三相對稱正弦波電源。具體方法是以一個正弦波作為基準波（稱為調(diào)制波），用一列等幅的三角波（稱載波）與基準正弦波相交，由它們的交點確定逆變器的開關(guān)模式。為了提高逆變器的輸出電壓幅值，針對SPWM法，人們提出了準優(yōu)化 PWM法，即三次諧波疊加法。在正弦波中注入一定比例的三次諧波后，調(diào)制波的幅值大大降低，在調(diào)制波沒有過調(diào)制的情況下，可使基波幅值超過三角波幅值，實現(xiàn)調(diào)制系數(shù)大于1的調(diào)制。在這種調(diào)制方式下，zui大調(diào)制比可提高到1.15左右，相應直流母線電壓的利用率zui大可提高15%。
々一個好產(chǎn)品〃一個好質(zhì)量〃一個好價格々
々贏得您一份信任々
〃我們承諾三大保證：
優(yōu)質(zhì)保證；原裝保證；價格保證
〃我們承諾三高一低：
高品質(zhì)；高標準；高信譽；低價格
〃我們做足三個*：
*原裝；*優(yōu)質(zhì)；*低價
〃我們給與三個：
優(yōu)質(zhì)；原裝；低價
質(zhì)保期內(nèi)產(chǎn)品有任何問題，我們將無條件為您退換
無擔憂，無顧慮
DCS集散式控制系統(tǒng)、PLC可編程控制器、數(shù)控系統(tǒng)、（CPU處理器、模塊、卡件、控制器、伺服驅(qū)動、驅(qū)動器、馬達電機、 內(nèi)存卡、 電源，機器人備件等）各類工控備品備件產(chǎn)品。(A-B,ABB,GE,FOXBORO,KUKA,SIEMENS,WESTINGHOUSE,SCHNEIDER……)
【質(zhì)量可靠】【質(zhì)優(yōu)價廉】【價驚四座】【拆包防偽】
【當天付款】【順豐速運】【送貨上門】【庫存多多】
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