Schweitzer Engineering Laboratories SEL-421-4 - Table 11.54 Relay Word Bits: High-Speed Mho and Quad Phase-Distance

11.63
Date Code 20171021 Instruction Manual SEL-421 Relay
Relay Word Bits
Row Lists
279 XCG1H High-speed Zone 1 quad CG ground element
279 XBG1H High-speed Zone 1 quad BG ground element
279 XAG1H High-speed Zone 1 quad AG ground element
279 MCG3H High-speed Zone 3 Mho CG ground element
280 * Reserved
280 * Reserved
280 * Reserved
280 * Reserved
280 * Reserved
280 * Reserved
280 XCG3H High-speed Zone 3 quad CG ground element
280 XBG3H High-speed Zone 3 quad BG ground element
281 * Reserved
Table 11.54 Relay Word Bits: High-Speed Mho and Quad Phase-Distance (Sheet 1 of 2)
Row Name Description
282 MBC3H High-speed Zone 3 Mho BC phase element
282 MAB3H High-speed Zone 3 Mho AB phase element
282 MCA2H High-speed Zone 2 Mho CA phase element
282 MBC2H High-speed Zone 2 Mho BC phase element
282 MAB2H High-speed Zone 2 Mho AB phase element
282 MCA1H High-speed Zone 1 Mho CA phase element
282 MBC1H High-speed Zone 1 Mho BC phase element
282 MAB1H High-speed Zone 1 Mho AB phase element
283 XAB3H High-speed Zone 3 high-speed quad AB phase element
283 XCA2H High-speed Zone 2 high-speed quad CA phase element
283 XBC2H High-speed Zone 2 high-speed quad BC phase element
283 XAB2H High-speed Zone 2 high-speed quad AB phase element
283 XCA1H High-speed Zone 1 high-speed quad CA phase element
283 XBC1H High-speed Zone 1 high-speed quad BC phase element
283 XAB1H High-speed Zone 1 high-speed quad AB phase element
283 MCA3H High-speed Zone 3 Mho CA phase element
284 * Reserved
284 * Reserved
284 * Reserved
284 * Reserved
284 * Reserved
284 * Reserved
284 XCA3H High-speed Zone 3 high-speed quad C–A phase element
284 XBC3H High-speed Zone 3 high-speed quad B–C phase element
285 * Reserved
Table 11.53 Relay Word Bits: High-Speed Mho and Quad Ground-Distance (Sheet 2 of 2)
Row Name Description