一种采用晶闸管的新型直流耗能装置及其控制方法
By using a sub-module composed of thyristors and LC circuits, the switching on and off of thyristors is gradually controlled, solving the problems of high cost and large voltage ripple in existing DC power consumption devices, and achieving more stable, reliable and low-cost DC voltage control.
CN116054172BActive Publication Date: 2026-07-17NORTH CHINA ELECTRIC POWER UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NORTH CHINA ELECTRIC POWER UNIV
- Filing Date
- 2023-03-16
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing DC power-consuming devices use a large number of fully controlled components, which are costly and the rapidly changing current impacts the DC voltage, resulting in high voltage ripple and affecting system stability.
Method used
The sub-module, composed of thyristors and LC circuits, achieves dynamic adjustment of surplus power by gradually switching on and off the thyristors, reducing the rate of current change, and replacing all controllable devices with thyristors.
Benefits of technology
It reduces DC voltage ripple, improves system stability and reliability, reduces costs, minimizes DC voltage surges, and enhances system integration.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN116054172B_ABST
Abstract
本发明公开一种采用晶闸管的新型直流耗能装置及其控制方法，该直流耗能装置包括：若干个子模块依次串联后与耗能电阻连接；所述子模块包括2个晶闸管、2个二极管、2个电容、1个电感和1个均压电阻，电容与电感串联连接形成LC振荡电路。本发明使用基于晶闸管的子模块替代了传统直流耗能装置中使用的昂贵全控器件，相比现有方案技术更成熟、可靠性更高、成本更低；采用子模块分组投切策略降低了流过耗能电阻电流较快的变化速率，并且子模块无需水冷系统，提高了系统稳定性。
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