Overview
The “Ground instantaneous overcurrent” element can be used as an instantaneous element with no intentional delay or as a definite time element. The ground current input is the quantity measured by the ground input CT and is the fundamental phasor magnitude.
For more detailed information on “Ground instantaneous overcurrent” element, refer to GE, Universal Relay (UR) family of products, Version 8.0x manuals.
To see other supported elements, click here.
Setting Parameters
Modbus memory map for Setting parameters
| Products | Hex address | Register name | Range | Units | Step | Format | Default |
| B30, C60, C70, C95, D30, D60, F35, F60, G30, G60, L30, L60, L90, M60, N60, T35, T60 | 3AF3 | Ground Inst. Overcurrent 1 Function | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 3AF4 | Ground Inst. Overcurrent 1 Signal Source | 0 to 5 | — | 1 | F167 | 0 (SRC 1) |
| " | 3AF5 | Ground Inst. Overcurrent 1 Pickup | 0.02 to 30 | pu | 0.001 | F001 | 1000 |
| " | 3AF6 | Ground Inst. Overcurrent 1 Delay | 0 to 600 | s | 0.01 | F001 | 0 |
| " | 3AF7 | Ground Inst. Overcurrent 1 Reset Delay | 0 to 600 | s | 0.01 | F001 | 0 |
| " | 3AF8 | Ground Inst. Overcurrent 1 Block | 0 to 4294967295 | — | 1 | F300 | 0 |
| " | 3AFA | Ground Inst. Overcurrent 1 Target | 0 to 2 | — | 1 | F109 | 0 (Self-reset) |
| " | 3AFB | Ground Inst. Overcurrent 1 Events | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 3AFC | Reserved (8 items) | 0 to 1 | — | 1 | F001 | 0 |
| B30, C60, C70, C95, D30, D60, F35, F60, L30, L60, L90, M60, N60, T35, T60 | 3B04 | …Repeated for Ground Inst. Overcurrent 2 | |||||
| B30, C60, C70, C95, D60, F35, F60, L30, L60, L90, M60, N60, T35, T60 | 3B15 | …Repeated for Ground Inst. Overcurrent 3 | |||||
| " | 3B26 | …Repeated for Ground Inst. Overcurrent 4 | |||||
| B30, C60, C70, C95, D60, F35, F60, L90, M60, N60, T35, T60 | 3B37 | …Repeated for Ground Inst. Overcurrent 5 | |||||
| " | 3B48 | …Repeated for Ground Inst. Overcurrent 6 | |||||
| C60, C70, C95, F35, L90, N60, T35, T60 | 3B59 | …Repeated for Ground Inst. Overcurrent 7 | |||||
| " | 3B6A | …Repeated for Ground Inst. Overcurrent 8 | |||||
| C70, F35, N60, T35, T60 | 3B7B | …Repeated for Ground Inst. Overcurrent 9 | |||||
| " | 3B8C | …Repeated for Ground Inst. Overcurrent 10 | |||||
| " | 3B9D | …Repeated for Ground Inst. Overcurrent 11 | |||||
| " | 3BAE | …Repeated for Ground Inst. Overcurrent 12 | |||||
| B30 | 3BBF | …Repeated for Ground Inst. Overcurrent 13 | |||||
| " | 3BD0 | …Repeated for Ground Inst. Overcurrent 14 | |||||
| " | 3BE1 | …Repeated for Ground Inst. Overcurrent 15 | |||||
| " | 3BF2 | …Repeated for Ground Inst. Overcurrent 16 | |||||
| " | 3C03 | …Repeated for Ground Inst. Overcurrent 17 | |||||
| " | 3C14 | …Repeated for Ground Inst. Overcurrent 18 | |||||
| " | 3C25 | …Repeated for Ground Inst. Overcurrent 19 | |||||
| " | 3C36 | …Repeated for Ground Inst. Overcurrent 20 |
| F102 | 0 = Disabled, 1 = Enabled | ||||||
| F109 | 0 = Self-reset, 1 = Latched, 2 = Disabled | ||||||
| F167 | 0 = SRC 1, 1 = SRC 2, 2 = SRC 3, 3 = SRC 4, 4 = SRC 5, 5 = SRC 6 | ||||||
Logics & highlights
Ground IOC1 logic
