In order to enhance both dependability and security which are two aspects of relaying system, self- checking and monitoring facilities are usually considered along with routine test. In practice back-up relay can have mal ...

آنالیز تاثیر نرخ خرابی رله پشتیبان بر زمان تست دوره ای سیستم حفاظتی با استفاده از مدل درخت حوادث

Reliability is a very important factor in designing of power network, because in the power system with low reliability, maintenance costs for power system is increased and causes creating damage that it is not compensated. ...

لحاظ نمودن سیستم حفاظت پشتیبان در تعیین زمان بهینه تست دوره ای سیستم حفاظتی

با توجه به افزایش روزافزون وسایل الکترونیکی حساس به سیستم‌های کنترل‌شده با کامپیوتر و فرآیند اتوماسیون کارخانجات، کیفیت توان از اهمیت زیادی برخوردار است. استفاده از سیستم‌های قطار برقیDC / AC در کنار هم باعث ایجاد اعوجاج ...

In this paper, Routine and self-checking tests are performed as one of the methods to maximize

the availability and adequate operation of power system protection. However, optimum routine test time

intervals ...

Appropriate operation of protection system is one of the effective factors to have a desirable reliability in power systems, which vitally needs routine test of protection system. Precise determination of optimum routine ...