<\/span> <\/span>:2789554051 <\/span>:3137251723 <\/span> <\/span><\/span>:010<\/span>-59450937/13521002452<\/span><\/span> <\/p> <\/span> <\/span> <\/p> <\/span> ?<\/span><\/span> <\/p> <\/span> <\/span> <\/p> <\/span> 圣蓮智能水泵風機專用節電寶產品說明<\/span><\/span> <\/p> <\/span> <\/span><\/span> <\/p> <\/span> 高樓供水系統要求水壓恒定,穩定運行,而現今供水泵系統因控制方式落后,壓力波動大,致使耗電大,浪費電能。SL<\/span>智能水泵風機專用節電器根據供水系統的現狀,實時調節利用設備,以節省電能。<\/span><\/span> <\/p> <\/span> <\/span> <\/p> <\/span> SL<\/span>智能水泵風機專用節電器功能多、噪音低、操作使用方便,節約電能等優點,受到廣大用戶歡迎,它采用微電腦智能控制,內置專用PID<\/span>調節器,其控制原理見圖,當1<\/span>號泵的運行頻率升高50Hz<\/span>時,壓力還低于設定值,此時系統自動將該泵切換到工頻運行,2<\/span>號泵自動投入變投入變頻運行直到壓力達到設定值,當用水量少時,系統控制水泵跟蹤壓力自動降頻運行,當運行頻率低到設定點時,自動停止該泵運行,將另一臺轉換為變頻運行,以此類推,直到**1<\/span>號變頻運行,如此特環運行可保證水壓始終保持在設定值,這樣即達到水壓恒定的目的,也節約了大量電費開支。<\/span><\/span> <\/p> <\/span>