电气技术
電氣技術
전기기술
ELECTRICAL ENGINEERING
2012年
1期
20-24,35
,共6页
苑舜%王新伟%蔡志远%陈朝辉%岳振杰
苑舜%王新偉%蔡誌遠%陳朝輝%嶽振傑
원순%왕신위%채지원%진조휘%악진걸
自愈式电容器%绝缘破坏%爆炸%能量%临界破坏值%自恢复度
自愈式電容器%絕緣破壞%爆炸%能量%臨界破壞值%自恢複度
자유식전용기%절연파배%폭작%능량%림계파배치%자회복도
self-healing capacitor%insulation damage%explosion%energy%critical damage value%self-recovery degree
电力系统使用的电容器组发生爆炸是一个绝缘破坏的渐变过程,为了研究这一过程,本文以能量为线索建立数学模型,从单个自愈电容器绝缘下降到电容器组发生爆炸的演变过程展开分析,并运用ATP-EMTP仿真软件对这一演变过程进行了仿真研究。结果表明由于能量的累积,及时有效地切除击穿电容器对整个电容器组的安全运行至关重要。数学推导和仿真计算相结合,对于更清晰地认识电容器组绝缘破坏的演变过程具有一定的指导意义。
電力繫統使用的電容器組髮生爆炸是一箇絕緣破壞的漸變過程,為瞭研究這一過程,本文以能量為線索建立數學模型,從單箇自愈電容器絕緣下降到電容器組髮生爆炸的縯變過程展開分析,併運用ATP-EMTP倣真軟件對這一縯變過程進行瞭倣真研究。結果錶明由于能量的纍積,及時有效地切除擊穿電容器對整箇電容器組的安全運行至關重要。數學推導和倣真計算相結閤,對于更清晰地認識電容器組絕緣破壞的縯變過程具有一定的指導意義。
전력계통사용적전용기조발생폭작시일개절연파배적점변과정,위료연구저일과정,본문이능량위선색건립수학모형,종단개자유전용기절연하강도전용기조발생폭작적연변과정전개분석,병운용ATP-EMTP방진연건대저일연변과정진행료방진연구。결과표명유우능량적루적,급시유효지절제격천전용기대정개전용기조적안전운행지관중요。수학추도화방진계산상결합,대우경청석지인식전용기조절연파배적연변과정구유일정적지도의의。
The explosion of the capacitor bank used in power system is a gradual process to the insulation damage.In order to study this process,a mathematical model which took energy as a clue was established in this paper,the evolution process of insulation damage from a single self-healing capacitor to the capacitor bank was analyzed,and ATP-EMTP simulation software was used to study the evolution.The conclusions indicate that it is critical to cut off breakdown capacitors timely and effectively for the safe operation of capacitor bank because of energy accumulations.The mathematical derivation and the simulation were combined in this paper,which have a certain significance for understanding the insulation damage evolution of capacitors more clearly.