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Download the prepared research about the protection of electrical systems in Word file format

دانلود-تحقيق-آماده-درباره-حفاظت-سيستم-های-الکتريکی-در-قالب-فایل-ورد
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Today, in this post, for you, dear users of the Magic File website, we have prepared a ready-made study about the protection of electrical systems in the form of an editable word file ready for download.

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لینک کوتاه : https://en.magicfile.ir/?p=2845
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Download the prepared research about the protection of electrical systems in an editable word file format

Today, in this post, for you, dear users of the Saharamaz file website, we have prepared a ready-made research on the protection of electrical systems in the form of an editable word file ready for download.

جزییات فایلی که دانلود خواهید کرد

  • عنوان: حفاظت سیستم های الکتریکی
  • فرمت: word (قابل ویرایش)
  • زبان : فارسی
  • قابلیت ویرایش : دارد
  • فرمت فایل : docx
  • تعداد صفحه : 9 صفحه
  • چاپ : بدون مشکل در پرینت گرفتن

بخشی از مطالب این مقاله حفاظت سیستم های الکتریکی :

Protection of electrical systems is one of the most important issues that is considered in the electrical and electronics industry. The main purpose of protecting electrical systems is to prevent the breakdown and destruction of electronic devices and the safety of people against accidents. In this article, the concept of protection of electrical systems, principles and methods of protection, types of electrical protections and their applications will be discussed.

1- مفهوم حفاظت سیستم‌های الکتریکی

Protection of electrical systems refers to a set of methods that are applied in order to prevent the breakdown and destruction of electronic devices and the safety of people against accidents. The main purpose of protecting electrical systems is to prevent accidents.

2- اصول و روش‌های حفاظت سیستم‌های الکتریکی

To protect electrical systems, there are various principles and methods that can generally be divided into the following two categories:

Protection through information: In this method, information obtained from electrical systems is used to detect and prevent damage and destruction in electronic devices. For example, in power systems, sensor signals are used to detect the type of failure.

Protection through electronic devices: In this method, electronic devices are used to prevent damage and destruction in electronic devices. For example, in electronic circuits, protective relays are used to cut off electronic devices in the event of an accident.

3- انواع حفاظت‌های الکتریکی

To protect electrical systems, there are different types of electrical protection, which can generally be divided into the following two categories:

Protection against electrification: This type of protection prevents excessive currents from entering electronic devices and their damage. In order to prevent electrification, protective parts such as protective circuits and high pressure pipes are used.

رله های جریانی :
Current relays are used to protect electric networks against faults caused by current errors.
The main defects detected by current relays are:
ـ اتصال کوتاه در شبکه
ـ اضافه جریان
ـ اضافه بار
ـ جریان نشتی (ارت فالت)
ـ عدم تقارن جریان سه فاز
ـ دکاهش بار ( در مورد موتورها)
ـ افزایش مدت زمان راه اندازی (در مورد موتورها)
ـ قفل بودن روتور (در مورد موتورها)

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