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固态脉冲产生技术是脉冲功率领域的核心技术之一。随着该技术的快速发展，百皮秒级高压脉冲源的性能需求日益提升。然而，传统基于雪崩三极管与MARX电路的方案受限于等离子体放电效应，输出峰值电压存在明显瓶颈。本文创新性地提出一种高致密有机绝缘胶超薄涂覆技术，通过实现低气泡率、高均匀性的微米级绝缘封装，有效抑制了高集成固态功率模块的等离子体放电与电弧击穿问题。该技术显著提升了脉冲源的电压输出极限，成功研制出峰值电压突破13.95 kV的高压脉冲模块，为高压、高重复频率固态宽谱脉冲应用提供了可靠解决方案。
Abstract：Solid state pulse generation technology stands as a core technique in its field with rapidly advancing demands for high-performance of hundreds picosecond-scale high-voltage pulse sources.However,conventional approaches based on avalanche transistors and MARX circuits face significant limitations in peak voltage output due to plasma discharge effects. To overcome this bottleneck,this paper innovatively proposes a high-density organic insulating gel ultra-thin coating technology featuring micrometer-scale precision encapsulation with ultra-low bubble density and high uniformity.This breakthrough effectively suppresses plasma discharge and arcing breakdown in highly integrated solid-state power modules.The technique substantially elevates the voltage output limit of pulse sources,enabling the successful development of a high-voltage pulse module achieving a remarkable peak voltage exceeding 13.95 kV.This advancement provides a robust solution for high-voltage,high-repetition-rate solid-state wide-spectrum pulsed applications.
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基本信息:
DOI：10.20222/j.cnki.cn61-1124/tm.20250829.005
中图分类号:TN78
引用信息:
[1]李飞,杨光晖,刘京亮,等.基于等离子体放电抑制技术的固态高压超宽谱脉冲源研制[J].电力电子技术,2025,59(10):142-146.DOI:10.20222/j.cnki.cn61-1124/tm.20250829.005.
2025-08-29
2025-08-29
2025-08-29