长分段电弧加热器快速起弧的初步试验研究

文鹏; 朱旭; 陈连忠; 杨国铭; 闫宪翔

doi:10.7643/issn.1672-9242.2026.06.006

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装备环境工程 ›› 2026, Vol. 23 ›› Issue (6) : 72-79. DOI: 10.7643/issn.1672-9242.2026.06.006

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长分段电弧加热器快速起弧的初步试验研究

文鹏, 朱旭, 陈连忠^*, 杨国铭, 闫宪翔

作者信息 +

Preliminary Experimental Study on Rapid Arc Ignition of Long-segmented Arc Heater

WEN Peng, ZHU Xu, CHEN Lianzhong^*, YANG Guoming, YAN Xianxiang

Author information +

文章历史 +

摘要

目的提高长分段式电弧加热器的起弧响应速度,保障其运行安全性能。方法通过设计配套试验与调试相关参数,重点研究触发方式、触发极距、加载电流、灭弧栅形式对加热器起弧速度的影响规律,找出主要影响因素及最优起弧参数。结果真空氩气的一级触发速度优于接触式触发方案,但触发极距对触发速度的影响不大。触发速度随加载电流的增大而提升,但触发极安全性却快速下降。当加载电流为700 A时,系统综合启动效果达到最优。在6组对照试验中,灭弧栅内气吹效果对分级拉弧速度的影响较大,气吹量为12.22 g/s时,拉弧效果最佳,较无吹弧气方式缩短32.8 ms。结论触发方式、加载电流、灭弧栅形式等因素均对起弧速度有较大影响,其中灭弧栅的气吹效果对分级拉弧速度影响最大,而灭弧栅片材质与拉弧速度间没有显著相关性。该研究结果可为长分段电弧加热器起弧方案设计与改进提供借鉴。

Abstract

The study aims to improve the arc ignition speed of the long-segmented arc heater and ensure its operational safety performance. A preliminary experimental study was conducted focusing on the four major influencing factors, namely triggering mode, triggering distance, supply current and arc chute type of the circuit breaker. Through designing supporting tests and adjusting related parameters, the main factors affecting the arc ignition speed of the heater as well as the optimal arc ignition parameters were identified. The test results demonstrated that the low-pressure argon stream outperformed the contact-type scheme, while the triggering distance had little effect on the primary triggering speed which increased with the rise of current, whereas the trigger safety dropped rapidly with increasing current. And when the current was 700 A, the comprehensive ignition performance was optimal. Among the six groups of comparative tests, the influence of the air blast effect inside the arc chute on the stepped arc drawing speed exhibited a fluctuating wave-like trend, it reached the optimum at 12.22 g/s and is reduced by 32.8 ms compared with no air blast. Triggering mode, supply current and arc chute type have a great effect on arc ignition speed, among which the air blast inside the arc chute plays an important role in stepped arc drawing speed, whereas the arc chute plate material shows no significant correlation with the arc drawing speed. The study can provide a reference for the design and improvement of arc ignition schemes for long segmented arc heaters.

导出引用

文鹏, 朱旭, 陈连忠, 杨国铭, 闫宪翔. 长分段电弧加热器快速起弧的初步试验研究[J]. 装备环境工程. 2026, 23(6): 72-79 https://doi.org/10.7643/issn.1672-9242.2026.06.006

WEN Peng, ZHU Xu, CHEN Lianzhong, YANG Guoming, YAN Xianxiang. Preliminary Experimental Study on Rapid Arc Ignition of Long-segmented Arc Heater[J]. Equipment Environmental Engineering. 2026, 23(6): 72-79 https://doi.org/10.7643/issn.1672-9242.2026.06.006

中图分类号： V416

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