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فيديو شرح Reverse Power Protection Basics Example Using the SEL-751A Protection Relay ضمن كورس انظمة الحماية الكهربية شرح قناة Romero Engineering Company، الفديو رقم 15 مجانى معتمد اونلاين
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In this video we discuss how reverse power protection works using the SEL-751A protection relay as an example. We discuss the importance of CT and relay polarity and how to convert primary power quantities into secondary quantities.
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00:00 Intro
00:17 Introduction to reverse power protection and power elements
01:07 Determining the CT polarity
02:28 Determining the relay terminal polarity
04:24 Reverse power protection example using the SEL-751A protection relay