ZERO-PASSAGE PROTECTOR AND OPERATIONAL METHOD
DE602019085520T2Active Publication Date: 2026-06-03GE AVIATION SYST LTD
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Patent Information
- Application Number
- DE602019085520
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2018-04-25
- Filing Date
- 2019-04-12
- Publication Date
- 2026-06-03
- Estimated Expiration
- 2039-04-12
AI Technical Summary
Technical Problem
Traditional AC contactors switch at any point during the AC cycle, leading to voltage or current spikes, contact wear, arcing, deposition, and noise, without considering the current or voltage direction.
Method used
A zero-crossing contactor assembly that operates by determining a total time delay based on sensor inputs to coincide switch operations with zero-crossing points in the AC waveform, reducing wear and noise by ensuring operations occur at zero current.
Benefits of technology
Reduces contact wear, deposition, and electromagnetic noise, while minimizing stress on electrical loads and eliminating voltage spikes, resulting in cleaner power consumption.
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