Sel SEL-421 - Page 594

R.A.24
SEL-421 Relay Reference Manual Date Code 20111215
Relay Word Bits
Row List
9 MBC3 Zone 3 Mho B-C phase element
9 MCA3 Zone 3 Mho C-A phase element
9* Reserved
9 MAB4 Zone 4 Mho A-B phase element
9 MBC4 Zone 4 Mho B-C phase element
9 MCA4 Zone 4 Mho C-A phase element
9* Reserved
10 MAB5 Zone 5 Mho A-B phase element
10 MBC5 Zone 5 Mho B-C phase element
10 MCA5 Zone 5 Mho C-A phase element
10 * Reserved
10 MAG1 Zone 1 Mho A-phase-to-ground element
10 MBG1 Zone 1 Mho B-phase-to-ground element
10 MCG1 Zone 1 Mho C-phase-to-ground element
10 * Reserved
11 MAG2 Zone 2 Mho A-phase-to-ground element
11 MBG2 Zone 2 Mho B-phase-to-ground element
11 MCG2 Zone 2 Mho C-phase-to-ground element
11 * Reserved
11 MAG3 Zone 3 Mho A-phase-to-ground element
11 MBG3 Zone 3 Mho B-phase-to-ground element
11 MCG3 Zone 3 Mho C-phase-to-ground element
11 * Reserved
12 MAG4 Zone 4 Mho A-phase-to-ground element
12 MBG4 Zone 4 Mho B-phase-to-ground element
12 MCG4 Zone 4 Mho C-phase-to-ground element
12 * Reserved
12 MAG5 Zone 5 Mho A-phase-to-ground element
12 MBG5 Zone 5 Mho B-phase-to-ground element
12 MCG5 Zone 5 Mho C-phase-to-ground element
12 * Reserved
13 XAG1 Zone 1 quad A phase to-ground element
13 XBG1 Zone 1 quad B-phase-to-ground element
13 XCG1 Zone 1 quad C-phase-to-ground element
13 * Reserved
13 XAG2 Zone 2 quad A-phase-to-ground element
13 XBG2 Zone 2 quad B-phase-to-ground element
13 XCG2 Zone 2 quad C-phase-to-ground element
13 * Reserved
14 XAG3 Zone 3 quad A-phase-to-ground element
14 XBG3 Zone 3 quad B-phase-to-ground element
Table A.3 Relay Word Bits: Distance Elements (Sheet 3 of 4)
Row Name Description