Electromagnetic Relays TRIZ Cases
- Integrated Aircraft Contactor Protection for Irreversible Fault Isolation
By embedding pyrotechnic or fuse protection in the contactor, the circuit can be permanently opened after a fault while reducing aircraft wiring mass.
- Tri-State Relay Driver Circuit Prevents Power Interruptions
A tri-state relay driver circuit maintains contact states during microcontroller transitions.
- Safety Switching Device Start Mode Selection via Digital Sampling
Digital sampling evaluates signal sequences to resolve the trade-off between versatile start mode support and device complexity.
- Vacuum Interrupter Guide Unit for Shielding Plate Alignment
Integrated protruding guide unit aligns central arc shielding plate radially, eliminating complex welding and reducing fabrication costs.
- Latch Relay Real-Time State Control via Supercapacitor Backup
A latch relay design uses a supercapacitor to supply stored current for rapid contact opening during power loss events.
- Relay Switch Zero-Crossing Control for Arc Reduction
A relay controller times switching actions at AC zero-crossings to minimize contact arcing.