Overview
The “Aging factor” element detects transformer aging in per-unit normal insulation aging. The element can be set to alarm or trip whenever the computed aging factor is greater than the user-defined pickup setting for the specified time delay.
For more detailed information on “Aging factor” 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 |
| G30, T35, T60 | 3E45 | Transformer Aging Factor Function | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 3E46 | Transformer Aging Factor Pickup | 1 to 10 | PU | 0.1 | F001 | 20 |
| " | 3E47 | Transformer Aging Factor Delay | 0 to 30000 | min | 1 | F001 | 10 |
| " | 3E48 | Transformer Aging Factor Block | 0 to 4294967295 | — | 1 | F300 | 0 |
| " | 3E4A | Transformer Aging Factor Target | 0 to 2 | — | 1 | F109 | 0 (Self-reset) |
| " | 3E4B | Transformer Aging Factor Events | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| F102 | 0 = Disabled, 1 = Enabled | ||||||
| F109 | 0 = Self-reset, 1 = Latched, 2 = Disabled | ||||||
Logics & highlights
Transformer aging factor logic
