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مهندسی کنترل - نماینده رسمی نصب و فروش اینورتر ها و سافت استارتر

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نماینده رسمی نصب و فروش اینورتر ها و سافت استارتر

نماینده رسمی نصب و فروش اینورتر ها و سافت استارتر های
LG/DELTA/ABB/SIEMENS/OMRON/INVT/REYM BAS/ invt/encom/aucom/vacon
مشاوره رایگان/خرید نقدی=نصب رایگان در تمامی نقاط ایران

اینورتر و سافت استارتر

وارد کننده و مرکز پخش انواع اینورتر Inverter در ایران.در صورتی که انواع اینور تر های AUCOM ، اینورتر های OMRON ، اینورتر های SIEMENS ، اینورتر های Telemecanigue ، اینورتر های ENCOM ، اینورتر های REYM BAS ، اینورتر های MOELLER مولر، اینورتر های INVT ، اینورتر های LG ال جی، اینورتر های DELTA دلتا ، اینورتر های LS ، اینورتر های HYUNDAI هیوندای، اینورتر های ABB ، اینورتر های VACON ، ، اینورتر های سینوسی و شبه سینوسی و یا اینورتر های DANFUSS مورد نظر شماست و یا جهت اطلاع از قیمت ها با ما تماس بگیرید.

روشهای مرسوم صنعتی برای راه اندازی موتورهای سه فاز عبارتند از:

  • ستاره – مثلث
  • اینورتر
  •  سافت استارتر

معایب روش قدیمی ستاره – مثلث:

  •  نیاز به 6 رشته كابل
  •  پرش جریان در لحظه سوئیچ كنتاكتور مثلث و ایجاد تنش گذرا در موتور
  •  نیاز به تابلوی بزرگ و مونتاژ وقت­گیر با هزینه بالا
  •  ثابت بودن مقدار كاهش جریان و گشتاور راه اندازی به حدود 3/1 مقادیر متناظر راه اندازی DOL
  • عدم امكان هیچ نوع كنترل طول زمان راه اندازی و توقف
  •  كمتر بودن تعداد استارت مجاز در ساعت بدلیل الكترومكانیكی بودن سیستم

و ایراد اصلی استفاده از اینورتر صرفاً بعنوان راه انداز موتور، گران بودن آن است.

سافت استارترها، بدلیل قابلیت انعطاف بسیار بالا در كنترل زمان استارت و استوپ و ولتاژ راه اندازی و همچنین كم حجم بودن و سادگی نصب؛ بهترین گزینه برای راه اندازی موتورهای سنگین می­باشند. اكثر سافت استارترها از جمله كلیه محصولات زیمنس خود مجهز به سیستم by Pass داخلی هستند و نیازی به كنتاكتور خارجی جهت by Pass ندارند.

برخی از مدلهای سافت استارترها، مجهز به ترمز DC، و سیستمهای حفاظتی از قبیل رله­های اضافه بار (با قابلیت تنظیم منحنی استاندارد كلاس حفاظتی)، كنترل فاز و حفاظت ترمیستوری موتور و .... می­باشند. در ضمن تیپهای Inside-delta از محصولات زیمنس و ABB و ... با قابلیت اتصال مثلث داخلی جایگزینی بسیار مناسب برای تابلوهای ستاره- مثلث بوده و به ازای kW برابر از قیمت كمتری نسبت به مدلهای Inline برخوردارند.

www.siemens.blogfa.com

yusuf_rajabi@yahoo.com

09122659154/02623924868

 


نوشته شده در : یکشنبه 26 اردیبهشت 1389  توسط : یوسف رجبی.    نظرات() .

برچسب ها: نماینده رسمی نصب و فروش اینورتر ها و سافت استارتر ،
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