P.17.4
SEL-411L Relay Protection Manual Date Code 20151029
Analog Quantities
Quantities Listed Alphabetically
87IBDA 10-cycle averaged, differential current, B-phase angle Degrees [°] (±180°)
87IBDM 10-cycle averaged, differential current, B-phase magnitude Per unit [pu]
87IBFM Differential current magnitude, full-cycle cosine filtered B-phase Per unit [pu]
87IBLA 10-cycle averaged, aligned local current, B-phase angle Degrees [°] (±180°)
87IBLM 10-cycle averaged, aligned local current, B-phase magnitude Per unit [pu]
87IBR1A 10-cycle averaged, aligned Remote 1 current, B-phase angle Degrees [°] (±180°)
87IBR1M 10-cycle averaged, aligned Remote 1 current, B-phase magnitude Per unit [pu]
87IBR2A 10-cycle averaged, aligned Remote 2 current, B-phase angle Degrees [°] (±180°)
87IBR2M 10-cycle averaged, aligned Remote 2 current, B-phase magnitude Per unit [pu]
87IBR3A 10-cycle averaged, aligned Remote 3 current, B-phase angle Degrees [°] (±180°)
87IBR3M 10-cycle averaged, aligned Remote 3 current, B-phase magnitude Per unit [pu]
87IBRTM Restraining current magnitude in B-phase Per unit [pu]
87IC2M 2nd harmonic magnitude of the differential current, C-phase Per unit [pu]
87IC4M 4th harmonic magnitude of the differential current, C-phase Per unit [pu]
87IC5M 5th harmonic magnitude of the differential current, C-phase Per unit [pu]
87ICDA 10-cycle averaged, differential current, C-phase angle Degrees [°] (±180°)
87ICDM 10-cycle averaged, differential current, C-phase magnitude Per unit [pu]
87ICFM Differential current magnitude, full-cycle cosine filtered, C-phase Per unit [pu]
87ICLA 10-cycle averaged, aligned local current, C-phase angle Degrees [°] (±180°)
87ICLM 10-cycle averaged, aligned local current, C-phase magnitude Per unit [pu]
87ICR1A 10-cycle averaged, aligned Remote 1 current, C-phase angle Degrees [°] (±180°)
87ICR1M 10-cycle averaged, aligned Remote 1 current, C-phase magnitude Per unit [pu]
87ICR2A 10-cycle averaged, aligned Remote 2 current, C-phase angle Degrees [°] (±180°)
87ICR2M 10-cycle averaged, aligned Remote 2 current, C-phase magnitude Per unit [pu]
87ICR3A 10-cycle averaged, aligned Remote 3 current, C-phase angle Degrees [°] (±180°)
87ICR3M 10-cycle averaged, aligned Remote 3 current, C-phase magnitude Per unit [pu]
87ICRTM Restraining current magnitude in C-phase Per unit [pu]
87IGDA 10-cycle averaged, differential zero-current angle Degrees [°] (±180°)
87IGDM 10-cycle averaged, differential residual current magnitude Per unit [pu]
87IGFM Zero-sequence differential current (3I0) magnitude, full-cycle cosine filtered Per unit [pu]
87IGLA 10-cycle averaged, aligned local zero-sequence current angle Degrees [°] (±180°)
87IGLM 10-cycle averaged, aligned local zero-sequence current magnitude Per unit [pu]
87IGR1A 10-cycle averaged, aligned remote Terminal 1 zero-sequence current angle Degrees [°] (±180°)
87IGR1M 10-cycle averaged, aligned remote Terminal 1 zero-sequence current magnitude Per unit [pu]
87IGR2A 10-cycle averaged, aligned remote Terminal 2 zero-sequence current angle Degrees [°] (±180°)
87IGR2M 10-cycle averaged, aligned remote Terminal 2 zero-sequence current magnitude Per unit [pu]
87IGR3A 10-cycle averaged, aligned remote Terminal 3 zero-sequence current angle Degrees [°] (±180°)
87IGR3M 10-cycle averaged, aligned remote Terminal 3 zero-sequence current magnitude Per unit [pu]
87IGRTM Zero-sequence restraining current (3I0) Per unit [pu]
87IQDA 10-cycle averaged, differential negative-sequence current angle Degrees [°] (±180°)
87IQDM 10-cycle averaged, differential negative-sequence current magnitude Per unit [pu]
Table 17.1 Alphabetical List of Analog Quantities (Sheet 4 of 19)
Analog Quantities Phase, Phase-to-Phase and Sequence Quantities Units
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