Isolated power converters for thermal systems.
The power conversion system addresses the inefficiencies of existing converters by using an isolated converter with high-speed switches and transformers to provide adjustable power with reduced harmonics and size, enhancing power factor correction and voltage control.
Patent Information
- Application Number
- JP2022567483
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-05-06
- Filing Date
- 2021-05-04
- Publication Date
- 2025-10-09
- Estimated Expiration
- 2041-05-04
AI Technical Summary
Existing power converters for electric heaters suffer from low power factor, high harmonics, and require additional components like capacitors and transformers, making them complex and large, and struggle to limit voltage effectively, especially at power setpoints above 50%.
A power conversion system with an input rectifier and a full-bridge isolated converter generates an isolated output voltage using high-switching-speed electronic switches and a transformer, eliminating the need for large capacitors and providing adjustable power control through variable frequency control.
The system reduces complexity and size, minimizes power losses, and achieves efficient power delivery with reduced harmonics and power factor correction, allowing precise voltage regulation and protection against voltage spikes.