 設she備bei投tou入ru運yun行xing前qian,首shou先xian應ying設she定ding設she備bei的de工gong作zuo壓ya力li等deng相xiang關guan運yun行xing參can數shu,設she備bei運yun行xing時shi,由you壓ya力li傳chuan感gan器qi連lian續xu采cai集ji供gong水shui管guan網wang中zhong的de水shui壓ya及ji水shui壓ya變bian化hua率lv信xin號hao,並bing將jiang其qi轉zhuan換huan為wei電dian信xin號hao傳chuan送song至zhi變bian頻pin控kong製zhi係xi統tong,控kong製zhi係xi統tong將jiang反fan饋kui回hui來lai的de信xin號hao與yu設she定ding壓ya力li進jin行xing比bi較jiao和he運yun算suan,如ru果guo實shi際ji壓ya力li比bi設she定ding壓ya力li低di,則ze發fa出chu指zhi令ling控kong製zhi水shui泵beng加jia速su運yun行xing,如ru果guo實shi際ji壓ya力li比bi設she定ding壓ya力li高gao,則ze控kong製zhi水shui泵beng減jian速su運yun行xing,當dang達da到dao設she定ding壓ya力li時shi,水shui泵beng就jiu維wei持chi在zai該gai運yun行xing頻pin率lv上shang。如ru果guo變bian頻pin水shui泵beng達da到dao了le額e定ding轉zhuan速su(頻率),jingguoyidingshijiandepanduanhou,ruguoguanwangyalirengdiyushedingyali,zekongzhixitonghuijianggaishuibengqiehuanzhigongpinyunxing,bingbianpinqidongxiayitaishuibeng,zhizhiguanwangyalidadaoshedingyali;fanzhi,ruguoxitongyongshuiliangjianshao,zexitongzhilingshuibengjiansuyunxing,dangjiangdidaoshuibengdeyouxiaozhuansuhou,zezhengzaiyunxingdeshuibengzhongzuixianqidongdeshuibengtingzhiyunxing,jijianshaoshuibengdeyunxingtaishu,zhizhiguanwangyalihengdingzaishedingyalifanweinei。zhubengtingzhigongzuo,fubengjinxinggongshuiyeweibianpinhengyagongshuifangshi,jinyibutigaolegongzuoxiaolv,jieyuelenengyuan。 係統特點 高gao效xiao節jie能neng。按an需xu要yao設she定ding供gong水shui壓ya力li,根gen據ju管guan網wang用yong水shui量liang來lai變bian頻pin調tiao節jie水shui泵beng轉zhuan速su,使shi水shui泵beng始shi終zhong在zai高gao效xiao率lv工gong況kuang下xia運yun行xing,同tong普pu通tong的de無wu塔ta供gong水shui設she備bei相xiang比bi,節jie能neng效xiao果guo達da20%。 對電網衝擊小,保護功能完善。消除了水泵電機直接起動時對電網的衝擊和幹擾,並且設備控製係統具有短路、過流、過壓、過載、欠壓、 過熱等多種保護功能,大大提高了工作效率,延長了水泵的使用壽命。 人機界麵觸摸麵板操作,設定參數靈活方便。可靈活設定頻率下限、加速時間、減速時間、換泵時間 等各種工作參數,能夠顯示係統運行時間,查閱各種故障原因。 定ding時shi喚huan醒xing功gong能neng。由you於yu係xi統tong是shi根gen據ju管guan網wang用yong水shui量liang的de多duo少shao來lai決jue定ding投tou入ru運yun行xing水shui泵beng的de台tai數shu,所suo以yi當dang用yong水shui量liang長chang期qi在zai某mou一yi小xiao範fan圍wei內nei變bian化hua時shi就jiu會hui使shi得de某mou台tai水shui泵beng長chang期qi運yun行xing而er磨mo損sun嚴yan重zhong,而er其qi他ta水shui泵beng長chang期qi不bu使shi用yong造zao成cheng生sheng鏽xiu,設she定ding本ben功gong能neng後hou則ze可ke方fang便bian的de解jie決jue該gai問wen題ti。對dui於yu同tong流liu量liang的de多duo台tai水shui泵beng,為wei使shi各ge泵beng平ping均jun工gong作zuo時shi間jian相xiang同tong,須xu設she置zhi定ding時shi換huan泵beng功gong能neng。在zai設she定ding了le定ding時shi換huan泵beng功gong能neng後hou,當dang一yi台tai變bian量liang泵beng連lian續xu工gong作zuo時shi間jian超chao過guo設she定ding值zhi後hou,且qie有you變bian量liang泵beng處chu於yu“休息”狀態,則變頻器自動切換啟動“休息”時間最長的變量泵,並停止原變量泵,以保證各台水泵運行時間均等,延長水泵使用壽命。換泵時間可任意設定。 當變頻器發生故障時,能夠自動轉換至工頻運行,確保供水不間斷。突然停電後再來電,設備能夠自動啟動運行。 適用範圍 廣泛應用於居民區、賓館及其它公共建築的生活用水、鍋爐補給水,加壓泵站、各類工礦企業的生產用水、消防用水、鍋爐恒壓補水、輸油管道增壓、注水係統、農田灌溉等。
|