ACTUATION MECHANISM FOR POWER SWITCHES
DE602022012934T2Active Publication Date: 2025-04-09HITACHI ENERGY LTD
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Patent Information
- Application Number
- DE602022012934
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-02-24
- Filing Date
- 2022-02-23
- Publication Date
- 2025-04-09
- Estimated Expiration
- 2042-02-23
AI Technical Summary
Technical Problem
High-speed and high-energy operations of circuit breakers, particularly those rated above 170kV, lead to high mechanical stress on closing springs, resulting in reduced operational performance and increased maintenance cycles due to inadequate damping and high repulsive forces.
Method used
The operating mechanism incorporates a support assembly with a damper element and a fork joint, which provides damping force to the closing springs during high-speed operations, reducing stress and extending the lifespan of the closing springs.
Benefits of technology
The support assembly effectively absorbs excess energy and reduces repulsive forces, enhancing the mechanical endurance of the closing springs, improving the reliability of the circuit breaker, and reducing maintenance needs.
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