Rel302 Channel Sending/Receiving Logic In Pott/Unblocking Scheme; Rel302Pott/Unblocking And Putt Pilot Trip Logic - ABB REL 301 Instruction Leaflet

Numerical distance relay
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I.L. 40-386.4
Figure 2-22. REL302 Channel Sending/Receiving Logic in POTT/Unblocking Schemes
2-34
Figure 2-21. REL302 POTT/Unblocking and PUTT Pilot Trip Logic
* Sub 1
9662A67
* Sub 2
1503B52

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