Schweitzer Engineering Laboratories SEL-421-4 - Table 5.36 Ground Directional Element Relay Word Bits

5.39
Date Code 20171021 Instruction Manual SEL-421 Relay
Protection Functions
Ground Directional Element
Table 5.36 Ground Directional Element Relay Word Bits
Name Description
32SPOF Forward open-pole directional declaration
32SPOR Reverse open-pole directional declaration
50QF Forward negative-sequence supervisory current level detector
50QR Reverse negative-sequence supervisory current level detector
32QE 32Q internal enable
32QGE 32QG internal enable
50GF Forward zero-sequence supervisory current level detector
50GR Reverse zero-sequence supervisory current level detector
32VE 32V internal enable
HSDGF Ground fault, high-speed forward directional element
HSDGR Ground fault, high-speed reverse directional element
32IE 32I internal enable
32GF Forward ground directional declaration
32GR Reverse ground directional declaration
F32I Forward current polarized zero-sequence directional element
R32I Reverse current polarized zero-sequence directional element
F32V Forward voltage polarized zero-sequence directional element
R32V Reverse voltage polarized zero-sequence directional element
F32QG Forward negative-sequence ground directional element
R32QG Reverse negative-sequence ground directional element