商鋪名稱：廈門(mén)興銳嘉進(jìn)出口有限公司
聯(lián)系人：劉錦玉（小姐）
聯(lián)系手機(jī)：
固定電話：
企業(yè)郵箱：3005393110@qq.com
聯(lián)系地址：廈門(mén)市思明區(qū)呂嶺路1733號(hào)創(chuàng)想中心20樓
郵編：361000
聯(lián)系我時(shí)，請(qǐng)說(shuō)是在焊材網(wǎng)上看到的，謝謝！
此外，DV707系列變頻器開(kāi)關(guān)電源的計(jì)劃仍是有區(qū)別與其它變頻器的本地。它選用了一塊型號(hào)為MA2810的集成塊，它集成了開(kāi)關(guān)功率管，以及箝位穩(wěn)壓管等一些元器材于一體，使得開(kāi)關(guān)電源的外圍電路減少了，但我們?cè)谛扪a(bǔ)中MA2810的損壞概率仍是比較高的。
（2）松下變頻器逆變模塊損壞
在VF—7F系列變頻器中，有時(shí)也會(huì)碰到逆變模塊的損壞。較多見(jiàn)的景象便是變頻器在正常工作中俄然失電，致使變頻器在從頭上電后無(wú)法發(fā)起電機(jī)。經(jīng)查看逆變模塊損壞，究其原因首要是因?yàn)橥ｋ姾笞冾l器還在工作指令的控制下，而此時(shí)因?yàn)殡姍C(jī)所帶負(fù)載的消耗及變頻器本身的消耗致使基地直流電壓急劇降低，簡(jiǎn)略致使PWM調(diào)制波信號(hào)發(fā)作改動(dòng)，致使功率模塊的損壞，通常在這種情況下，驅(qū)動(dòng)電路是不簡(jiǎn)略損壞的。更換逆變模塊，變頻器就能恢復(fù)正常工作。碰到此類情況，最佳可以在控制電路上采用措施，停電霎時(shí)間關(guān)閉變頻器輸出。
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