歐科變頻調速器具有低速軟啟動
，轉速可以平滑地大範圍調節，對電動機保護功能齊全
，如短路、過載、過壓
、欠壓及失速等，可有效地保護電機及機械設備，具有運行平穩、可靠，提高功效等諸多優點，正因為如此，歐科變頻器是抽油設備改造的理想方案
，其應用效果十分明顯。

在(zai)油(you)田(tian)抽(chou)油(you)設(she)備(bei)中(zhong)，以(yi)遊(you)梁(liang)式(shi)磕(ke)頭(tou)抽(chou)油(you)機(ji)應(ying)用(yong)最(zui)為(wei)普(pu)遍(bian)，數(shu)量(liang)也(ye)最(zui)多(duo)。但(dan)是(shi)，傳(chuan)統(tong)的(de)磕(ke)頭(tou)機(ji)普(pu)遍(bian)存(cun)在(zai)著(zhe)起(qi)動(dong)衝(chong)擊(ji)大(da)，運(yun)行(xing)耗(hao)電(dian)多(duo)，大(da)馬(ma)拉(la)小(xiao)車(che)、效率低下等諸多問題，加之油井情況複雜，稠油、結蠟
、沙卡現象較多
，斷杆、shaodianjidengxianxiangjingchangfasheng
，duidiandongjimeiyoukekaodebaohugongneng
，shebeiweixiuliangda，weici，oukebianpinqiduixianyoudechouyoujishebeijinxinglegaizao。gaizaohoutigaolegongxiao，zengjialecaiyouliang
，youjieyueledianneng
，baohuledianjijishebei。womenguojiadechouyoujishebeixiangdangduo
，xiangxinbianpintiaosuqizaizhefangmianshikeyidayouzuoweide。

抽油設備的現場工藝要求：qiyundongweifanfudishangxiatisheng
，yigechongchengtishengyici
，qidonglilaiziyudiandongjidaidongdelianggezhongliangxiangdangdadegangzhihuakuai，danghuakuaijushengshi，leisiyuganggandezuoyong，jiangchouyoujigansongrujingzhong，huakuaixiajiangshi，chouyougantichudaiyouzhijingkou，youyudianjizhuansuyiding
，zaihuakuaixiajiangguochengzhong，fuhejianqing
，dianjituodongchanshengdenengliangwudifangshifang
，shibijinruzaishengfadianzhuangtai
，zaochengzhuhuilumuxiandianyashenggao，pinfandegaoyachongjihuisunhuaioukebianpinqidezhuqijian
，baokuodianjiedianrongjigonglvmokuai，yincizengjiazhidonghuilu
，rangzaishengdianyanengjishidishifangdiao，yibaozhengshebeizaianquandedianyaxiagongzuo。

電氣接線圖，參數設置：