道明证券预计美国高评级债券市场将在2027年迎来创纪录的2.4万亿美元供应

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道明证券预计美国高评级债券市场将在2027年迎来创纪录的2.4万亿美元供应

苏文电能获专利，低压配电网通过预同步与限流实现柔性合环

11月6日，苏文电能（300982）的发明专利《一种低压柔性合环装置及其合环控制方法》获授权，申请号为CN202611298414.6。

不同低压母线、台区或馈线要连接成环网，合上的瞬间可能产生冲击电流。设计先对两侧进行采样，判断现场条件是否允许合环，再通过限流和预同步逐步衔接。接通后转入功率闭环调节，遇到异常则分级处置。装置还包括旁路与隔离单元。该方案把合环前后的控制串联起来，兼顾降低冲击与平衡台区负荷。

截至此次授权消息披露时，苏文电能今年获得的各类专利授权共4项。在2026年上半年，公司研发投入为2617.61万元，同比增长35.18%。企业知识产权记录中，苏文电能科技股份有限公司名下可查到196条专利信息和94条著作权信息。

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