應用變頻技術節能效果明顯。由于變頻器直接改變電源頻率而改變電機轉速,沒有額外機械損失,我們知道,在應用最廣泛的泵與風機類型的負載中,流量與電機轉速成正比,壓力與轉速平方成正比,而消耗功率則與轉速立方成正比。當流量由**降至80%時,則消耗功率降至15%,即使考慮到風機或泵的效率降低,變頻器本身的效率,以及其他因素,節能率也將達到30%以上,而在實際應用中,考慮到風機或泵的余量以及負荷變化的范圍,節能效果一般可達到30%一70%.因此,節能效果非常明顯。變頻器調節平穩、準確。
對于流體,為了調節流量,通常采用閥門或檔板,實際流量小于額定流量,此時節流損失往往很大,而當流量很小時,除了節流損失以外,閥門或檔板往往開度很小,很容易造成管路振動或流量抖動。而對于象給粉機、給煤機等設備的控制通常采用機械變速、電磁變速甚至不變速等方法,往往存在調節不線性,調節不均勻等問題。采用變頻器技術后,由于直接改變電機轉速,運一轉平穩,調整準確。變頻器可靠性高,故障率低,減少設備事故。在鍋爐給粉機中,以前采用滑差電機調速,經常發生故障,影響了機組安全運行,采用變頻器技術后,由于取消了滑差電機,拆除了最容易發生故障的部件,使得整體可靠性大大提高。
漳州鼎晟達自動化設備有限公司是一家多年專業從事大型進口系統(集散式控制系統、可編程控制器、冗余容錯控制系統、機器人系統)備件銷售。長年與歐美,北美等全球知名工業廠商建立起穩定的合作關系,產品直接國外進口,省掉中間環節,為廣大企業用戶節約開支!目前公司業務遍布全國各省市,經過多年的服務,總結出專為系統用戶服務的成熟模式,實現服務的人性化、流程的簡單化以及管理的規范化,**幫助客戶延長電氣設備的使用周期,降低運營成本,控制停產風險、提高生產效率!主營國際知名品牌工控系統備件:AB SLC500,PL5,ABB機器人,GE,FOXBORO I/A,TIRCONEX,瑞恩,西屋OVATITONT,西門子,MOORE,MODICON,KUKA機器人,安川機器人,貝利,貝加萊,博世傳動,HONEYWELL。
長期以來,公司堅守“重視合同 , 確保質量 : 準時交付 , 嚴守承諾” 經營理念;以極大的熱情致力于創造和實現富**力的企業管理模式;運用先進的計算機管理系統,建有完善的信息化管理平臺,為采購、管理、銷售、服務等各個業務環節的信息化服務,大大增強了企業核心競爭力。
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Allen Bradley SLC 500 1746 NI4 Analog Input Module
Allen Bradley PLC-5 System 1771-IFE/C Analog Input Modu
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ALLEN BRADLEY ANALOG INPUT 1756-IF8
Allen Bradley AB 1771-IFC Analog Input Series B
ALLEN BRADLEY 25 HP AC DRIVE 1336-B025-EOF-L3-S1
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ALLEN BRADLEY 1771-IFE SERIES A, ANALOG INPUT MODULE
Allen Bradley 1771-IFC Analog Input Module 4Pcs
ALLEN BRADLEY 1771-IFC ANALOG INPUT MODULE
ALLEN BRADLEY 1771-IFC ANALOG INPUT
ALLEN BRADLEY 1771-IFC
Allen Bradley 1771 IL Isolated Analog input module
Allen Bradley 1771 IFE C Input Analog Module 1171-IFE/C
Allen Bradley 1771 IEC analog input Series A
ALLEN BRADLEY 1756-IR6I/A INPUT MODULE ANALOG
Allen Bradley 1756-IF6I | Analog Input Module
Allen Bradley 1756-IF6I | Analog Input Module
Allen Bradley 1756-IF6I | Analog Input Module
Allen Bradley 1756-IF16 | Analog Input Module
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Allen Bradley 1746-NI8 1746NI8 Analog Input NIB
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ALLEN BRADLEY 10 HP AC VFD DRIVE 1336-B010P-EJDP
Allen & Heath GL2400-40 40-Input Analog
Allen & Heath GL2400-32 32-Input Analog
Allen & Heath GL2400-24 24-Input Analog Mixing Console
Allen & Heath GL2400-16 16-Input
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ADVANTECH Analog Input Module MIC-2718 Rev.A2 01-1
Advantech ADAM-5017 8-ch analog input module
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Advantech ADAM-4019 Analog Input Module NIB FS
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Acromag SmartPack 4994A Analog Input Module __D105
Acromag SmartPack 4994 Analog Input Module __I45
Acromag SmartPack 4990 Analog Input Module __J35
Acromag SmartPack 4975 Analog Input Module _________D35
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Acces I/O Products INC. Analog Input Card
AB PLC Analog Input Module 1746-NI4 (1746NI4) NIB
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1746-NI8 1746NI8 Analog Input Module SLC 500
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