Stabilized Differential Relay ABB DSPAD/32/375
Description
Stabilized Differential Relay ABB DSPAD/32/375 is an industrial automation and protective relay module designed for power system fault detection and protection, part of ABB’s comprehensive relay product portfolio. Based on similar ABB stabilized differential relay models, it is engineered to provide reliable protection against internal faults in transformers, generators, and related power equipment.
| Specification | Value |
|---|---|
| Product Type | Stabilized Differential Relay Module |
| Core Protection Function | Internal Fault Detection for Power Equipment |
| Harmonic Suppression Capability | Secondary and Tertiary Harmonic (Estimated, based on series standards) |
| Module Design | Extractable, Modular Structure (Estimated, based on series standards) |
Key Features:
- Integrated stabilized differential current unit to prevent unnecessary tripping during transformer inrush current events
- Harmonic suppression functionality to avoid false operations from non-fault current distortions
- Flexible configuration for trip, block, and control signals to match specific application requirements
- Stable operation even with partial current transformer saturation, ensuring protection accuracy
Applications:
- Winding short circuit and turn-to-turn fault protection for double-winding transformers
- Winding short circuit protection for generator-transformer units
- Backup protection for high-voltage power system components
Related Models:
- ABB SPAD 346
- ABB SPAD346C
- ABB RET670 1MRK004816-AC