【技术背景】

    本技术涉及一种高压电机变频调速装置。随着电力电子技术的发展，变频调速装置在高压电机上得到了广泛应用。目前的新建工厂，重要辅机如风机、水泵等，一般均要求考虑配置变频器拖动高压电机；越来越多的已建电厂正在进行或已完成高压电机采用变频器的改造。高压电机采用变频器拖动后，电动机保护如何配置才能保证机组安全可靠的运行，成为电厂、设计院、保护厂家关注的问题。

    BENJISHUTIGONGLEYIZHONGKESHIXIANWUJIDIAOSU，DONGTAIXIANGYINGSUDUKUAI，DIAOSUJINGDUGAO，YIYUSHIXIANSHENGCHANGONGYIKONGZHIZIDONGHUADEGAOYADIANJIBIANPINDIAOSUJIENENGZHUANGZHI，CAIYONGYIBUDIANJIROUXINGQIANYINBIHUAN，KONGZHIQIGENJUZHUANSUJIDINGHEZHUANSUFANKUIZHIJIANDEWUCHA，FACHUSHIDANGDEPINLVFUZHIHESANXIANGZHENGXIANXINHAOZHILING，GAIZHILINGCHUANSONGJIGAOYABIANPINQI，TONGGUOGAOYABIANPINQISHUCHUFUHESHANGSHUYAOQIUDEJIAOLIUDIANNENG，QUDONGDIANJIYUNZHUAN，SHIYUNZHUANXINGNENGYANGEFUHEZHUANSUJIDINGDEYAOQIU，DUIYUSHIXIANDIAOJIEGAOYADIANJIZHUANSUDEGAOYADIANJIJIENENGBIANPINDIAOSUJISHU，GAIFANGANZAIJISHUSHANGSHIKEXINGDE，DANRENGCUNZAIBUNENGYOUXIAOJIEJUEDIANWANGPINLVBODONGHEJIZUFUHEBODONGZHEILIANGGEDONGTAIBIANHUAWENTI。

【JISHUNEIRONG】

    BENJISHUWEIGAISHANSHANGSHUJUYOUDEWENTIDIANHUOQUEDIAN，SHEJIYIZHONGGAOYADIANJIBIANPINDIAOSUZHUANGZHI，MUDESHISHIBIANPINQISHUCHUDEJIAOLIUDIANNENGGENGNENGFUHEYAOQIU，TIGAOXITONGYUNYONGDEKEKAOXING、ANQUANXING。

    WEILESHIXIANSHANGSHUMUDE，BENJISHUANYIXIAJISHUFANGANSHIXIAN:YIZHONGGAOYADIANJIBIANPINDIAOSUZHUANGZHI，QITEZHENGZAIYU:BAOKUODIANYUAN1，DIANCILIHEQI2、DIANCILIHEQI3、DIANCILIHEQI4、DIANCILIHEQI5、BIANPINDIAOSUQI6、GAOYADIANJI7、DIANDONGJIZHUANSUJIANCEQI8、KONGZHIQI9 ;DIANYUAN1、DIANCILIHEQI2、DIANCILIHEQI3、BIANPINDIAOSUQI6、DIANCILIHEQI4、GAOYADIANJI7YICICHUANLIAN，DIANCILIHEQI5 —DUANLIANJIEZAIDIANCILIHEQI3DESHURUDUAN，LINGYIDUANLIANJIEZAIDIANCILIHEQI4DESHUCHUDUAN，YUDIANCILIHEQI3、BIANPINDIAOSUQI6、DIANCILIHEQI4CHENGBINGLIANZHUANGTAI；KONGZHIQI9DEYIDUANYUBIANPINDIAOSUQI6DESHUCHUDUANLIANJIE，KONGZHIQI9DELINGYIDUANYUDIANDONGJIZHUANSUJIANCEQI8DESHUCHUDUANLIANJIE，DIANDONGJIZHUANSUJIANCEQI8DESHURUDUANYUGAOYADIANJI7DESHUCHUDUANLIANJIE。

    JINYIBU，SUOSHUKONGZHIQI9WEIDAIYOURUANJIANBIANCHENGDEKONGZHIXITONG。

    BENJISHUDEYOUYIXIAOGUOSHI:BUJINBUDUIDIANWANGCHANSHENGXIEBOWURAN，DUIDIANWANGHEQITASHEBEIDEGANRAOXIAO，FANGBIANXITONGJIZHONGKONGZHI，XITONGKEZAIOZHIQUANSUFANWEINEIDERENYISUDUXIALIANXUZHONGZAIANQUANYUNXING，TONGSHIDAIYOURUANJIANBIANCHENGDEKONGZHIXITONGNENGJINXINGSHUJUCHULI，SHIXIANGAOYADIANJIDEDONGTAIZHINENGHUABIANPINDIAOSU。

【FUTUSHUOMING】

    下面结合附图对本技术进行进一步说明。图1是高压电机变频调速装置示意图。

    QIZHONGFUTUBIAOJIBIAOSHIWEI:1_DIANYUAN，2-DIANCILIHEQI，3-DIANCILIHEQI，4-DIANCILIHEQI，5-DIANCILIHEQI，6-BIANPINDIAOSU，7-GAOYADIANJI，8-DIANDONGJIZHUANSUJIANCEQI，9-KONGZHIQI。

【JUTISHISHIFANGSHI】

    RUTU1SUOSHI，YIZHONGGAOYADIANJIBIANPINDIAOSUZHUANGZHI，BAOKUODIANYUAN1，DIANCILIHEQI2、DIANCILIHEQI3、DIANCILIHEQI4、DIANCILIHEQI5、BIANPINDIAOSUQI6、GAOYADIANJI7、DIANDONGJIZHUANSUJIANCEQI8、KONGZHIQI9 ;DIANYUAN1、DIANCILIHEQI2、DIANCILIHEQI3、BIANPINDIAOSUQI6、DIANCILIHEQI4、GAOYADIANJI7YICICHUANLIAN，DIANCILIHEQI5 —DUANLIANJIEZAIDIANCILIHEQI3DESHURUDUAN，LINGYIDUANLIANJIEZAIDIANCILIHEQI4DESHUCHUDUAN，YUDIANCILIHEQI3、BIANPINDIAOSUQI6、DIANCILIHEQI4CHENGBINGLIANZHUANGTAI；KONGZHIQI9DEYIDUANYUBIANPINDIAOSUQI6DESHUCHUDUANLIANJIE，KONGZHIQI9DELINGYIDUANYUDIANDONGJIZHUANSUJIANCEQI8DESHUCHUDUANLIANJIE，DIANDONGJIZHUANSUJIANCEQI8DESHURUDUANYUGAOYADIANJI7DESHUCHUDUANLIANJIE。

    ZAIGAOYADIANJI7DEYUNZHUANGUOCHENGDANGZHONG，DIANWANGPINLVHEJIZUFUHESHIZAIBUDUANBIANHUADE，QISHUNTAIZHIWEIFEIXIANXINGBIANHUALIANG，WEILEYOUXIAOJIEJUESHANGSHUDONGTAIBIANHUADEYINGXIANG，SHIGAOYADIANJI7DEZHUANSUZHIZAIYIDINGGONGKUANGTIAOJIANXIAXIANGDUIWENDING，JIANGYIGEDIANDONGJIZHUANSUJIANCEQI8ANZHUANGZAIGAOYADIANJI7ZHUZHOUDESHUCHUDUAN，DANGGAOYADIANJI7ZHUANSUBIANHUASHI，DIANDONGJIZHUANSUJIANCEQI8JIANCEDAOXINHAO，BINGJIANGXINHAOSHURUDAOKONGZHIQI9，KONGZHIQI9WEIDAIYOURUANJIANBIANCHENGDEKONGZHIXITONG，TONGGUODUIBIANPINDIAOSUQI6JINXINGWEIDIAOKONGZHI，SHIGAOYADIANJI7ZHUANSUZHIZAIYIDINGGONGKUANGTIAOJIANXIABAOCHIXIANGDUIWENDING。

【ZHUQUANXIANG】

1.YIZHONGGAOYADIANJIBIANPINDIAOSUZHUANGZHI，QITEZHENGZAIYU:BAOKUODIANYUAN(I)，DIANCILIHEQI(2)、DIANCILIHEQI(3)、DIANCILIHEQI(4)、DIANCILIHEQI(5)、BIANPINDIAOSUQI(6)、GAOYADIANJI(7)、DIANDONGJIZHUANSUJIANCEQI(8)、KONGZHIQI(9); SUOSHUDIANYUAN(I)、DIANCILIHEQI(2)、DIANCILIHEQI(3)、BIANPINDIAOSUQI(6)、DIANCILIHEQI(4)、GAOYADIANJI(7)YICICHUANLIAN，DIANCILIHEQI(5) —DUANLIANJIEZAIDIANCILIHEQI(3)DESHURUDUAN，LINGYIDUANLIANJIEZAIDIANCILIHEQI(4)DESHUCHUDUAN，YUDIANCILIHEQI(3)、BIANPINDIAOSUQI(6)、DIANCILIHEQI(4)CHENGBINGLIANZHUANGTAI； SUOSHUKONGZHIQI(9)DEYIDUANYUBIANPINDIAOSUQI￠)DESHUCHUDUANLIANJIE，SUOSHUKONGZHIQI(9)DELINGYIDUANYUDIANDONGJIZHUANSUJIANCEQI(8)DESHUCHUDUANLIANJIE，SUOSHUDIANDONGJIZHUANSUJIANCEQI(8)DESHURUDUANYUGAOYADIANJI(7)DESHUCHUDUANLIANJIE。

2.RUSHIYONGYAOQIU1SUOSHUDEGAOYADIANJIBIANPINDIAOSUZHUANGZHI，QITEZHENGZAIYU:SUOSHUKONGZHIQI(9)WEIDAIYOURUANJIANBIANCHENGDEKONGZHIXITONG。

【JISHUZHAIYAO】

    BENJISHUSHEJIYIZHONGGAOYADIANJIBIANPINDIAOSUZHUANGZHI，BAOKUODIANYUAN，DIANCILIHEQI、DIANCILIHEQI、DIANCILIHEQI、DIANCILIHEQI、BIANPINDIAOSUQI、GAOYADIANJI、DIANDONGJIZHUANSUJIANCEQI、KONGZHIQI；DIANYUAN、DIANCILIHEQI、DIANCILIHEQI、BIANPINDIAOSUQI、DIANCILIHEQI、GAOYADIANJIYICICHUANLIAN，DIANCILIHEQIYIDUANLIANJIEZAIDIANCILIHEQIDESHURUDUAN，LINGYIDUANLIANJIEZAIDIANCILIHEQIDESHUCHUDUAN；KONGZHIQIDEYIDUANYUBIANPINDIAOSUQIDESHUCHUDUANLIANJIE，LINGYIDUANYUDIANDONGJIZHUANSUJIANCEQIDESHUCHUDUANLIANJIE，DIANDONGJIZHUANSUJIANCEQIDESHURUDUANYUGAOYADIANJIDESHUCHUDUANLIANJIE，GAIGAOYADIANJIBIANPINDIAOSUZHUANGZHINENGYOUXIAOJIEJUEDIANWANGPINLVBODONGHEJIZUFUHEBODONGDEWENTI，SHIXIANDIANDONGJIDONGTAIZHINENGHUABIANPINDIAOSU。