變速驅動抽油機井微觀變速驅動技術

    變速驅動抽油機井微觀變速驅動技術

    weiguanbiansuqudongjishuzhuyaoshizhenduichouyoujipinghengzhuangkuangcha，xitongxiaolvdi
，nenghaodadengwenti
，tongguogaibiandianjizhuansu
，yitiaojiexitongdeyunxingzhuangkuang，jiangdizhuanjubodongyijinengliangsunshi。

    1

、節能機理

    1）tongguotiaojiedianjizhuansu
，keyikongzhiqubingjiaosududebianhuaguilv，binggenjuchouyoujisiliangandejihetedian，keyidedaoguangganyunxingsuduyuqubingzhuansudeguanxi，jidianjizhuansuhuiyingxiangguanggandeyunxingguilv。zaishangxiachongchengguochengzhongguanggande“快提慢放”能減少漏失，提高泵效
；“慢提快放”則能提高泵的充滿係數。

    2）與恒轉速驅動相比，變速驅動使抽油機的轉動部件產生慣性轉矩，合理利用慣性轉矩可以降低電機轉矩的峰值及波動。

    3）dianjigonglvshidianjizhuanjuhedianjizhuansudechengji
，erchangguidezhuanjuquxianweileisizhengxianquxianfengguxiangjiadexingzhuang，helishejidianjizhuansu，zaizaihejiaodashishidianjijiansu，bimiangaogonglvyunxing；在載荷較小時使電機加速，避免電機反轉，可實現“重載慢行
，輕載快行”的效果。

    2
、研究進展

    與yu宏hong觀guan變bian速su驅qu動dong技ji術shu改gai變bian衝chong次ci這zhe一yi單dan一yi數shu值zhi相xiang比bi，抽chou油you機ji井jing微wei觀guan變bian速su驅qu動dong技ji術shu調tiao節jie和he優you化hua的de是shi每mei一yi時shi間jian點dian的de係xi統tong驅qu動dong速su度du，需xu要yao設she計ji一yi個ge周zhou期qi內nei一yi係xi列lie電dian機ji轉zhuan速su值zhi，這zhe就jiu意yi味wei著zhe微wei觀guan驅qu動dong技ji術shu更geng複fu雜za


，考kao慮lv的de問wen題ti更geng係xi統tong。目mu前qian主zhu要yao的de處chu理li辦ban法fa就jiu是shi建jian立li係xi統tong仿fang真zhen模mo型xing，對dui抽chou油you係xi統tong主zhu要yao部bu分fen的de運yun行xing動dong態tai進jin行xing模mo擬ni，在zai達da到dao一yi定ding模mo擬ni精jing度du的de基ji礎chu上shang
，將jiang微wei觀guan變bian速su驅qu動dong的de電dian機ji轉zhuan速su設she計ji問wen題ti轉zhuan化hua為wei模mo型xing優you化hua的de數shu學xue問wen題ti
，以yi電dian機ji轉zhuan速su為wei優you化hua對dui象xiang，通tong過guo設she立li目mu標biao函han數shu及ji約yue束shu條tiao件jian
，選xuan擇ze合he適shi的de優you化hua算suan法fa對dui問wen題ti進jin行xing求qiu解jie。考kao慮lv到dao傅fu裏li葉ye級ji數shu在zai描miao述shu周zhou期qi性xing函han數shu上shang的de優you勢shi
，在zai建jian立li優you化hua對dui象xiang時shi，大da多duo采cai用yong傅fu裏li葉ye級ji數shu來lai表biao示shi一yi個ge周zhou期qi內nei電dian機ji轉zhuan速su的de變bian化hua。