ABB PMA - Figure 6: Internal Schematic of the Type PMD Relay in FT-21 case - dc supply - for two-terminal l...; Figure 7: Internal Schematic of the Type PMD-1 Relay in the FT-11 case - dc supply - for two-term...

41-973.5R
17
Type PM Line of Relays For Pilot Wire Monitoring
And Transferred Tripping
Figure 6: Internal Schematic of the Type PMD Relay in FT-21 case - dc supply
– for two-terminal lines.
Figure 7: Internal Schematic of the Type PMD-1 Relay in the FT-11 case -
dc supply – for two-terminal lines.
Sub 2 184A497
Sub 2 184A498