Restricted Earth Fault Relay Protection Part 2 Selection of Devices and calculation
00:00 Introduction of Restricted earth fault relay
01:10 Channel Promo
01:17 Restricted earth Fault Relay part-1 Basics of REF and Connection, working
02:57 Restricted Earth fault relay Part-2 Content opening
03:47 Fault current calculation of Transformer REF Relay calculation
05:39 Selection of CT ratio Line CT and Neutral CT Based on earthing system -Solid earthing NGR earthing
07:13 REF Relay voltage and primary current calculation
10:07 Stabilizing Resistor calculation of Restricted earth fault relay protection
11:14 Metrosil Resistor Purpose and selection calculation
13:18 Conclusion
14:15 Next video-Transformer interview questions
14:56 Thank you
1.Restricted earth Fault relay connection - How to connect the earth fault relay
2.Restricted Earth fault relay working principle in Tamil with animation
3.Restricted Earth fault relay setting calculation
4.Selection of Line CT and NCT Ratio in Restricted earth fault relay protection
5.Stabilizing resistor in Restricted earth fault protection with calculation
6.Selection RFE Relay voltage and current setting
7.REF rely working animation
8.Metrosil and stabilizing resistor in restricted earth fault relay
9. REF protection of transformer, REF protection calculation
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