机电元件
機電元件
궤전원건
ELECTROMECHANICAL COMPONENTS
2013年
2期
38-43
,共6页
王稚惠%谢勇%由佳欣%梁慧敏%翟国富
王稚惠%謝勇%由佳訢%樑慧敏%翟國富
왕치혜%사용%유가흔%량혜민%적국부
隔离开关%热稳定性%热网络法
隔離開關%熱穩定性%熱網絡法
격리개관%열은정성%열망락법
disconnecting switch%thermal stability%thermal network method
隔离开关在实际运行中由于电阻损耗发热而温度升高,甚至超过允许温升,从而影响其工作性能.为了保证其工作的安全性和可靠性,建立了热网络模型,对隔离开关进行端部温度及最高温度的计算与分析,并对比有限元三维仿真结果验证了热网络方法的准确性.该方法可用于工程现场应用,便于快速得到精确的计算结果.
隔離開關在實際運行中由于電阻損耗髮熱而溫度升高,甚至超過允許溫升,從而影響其工作性能.為瞭保證其工作的安全性和可靠性,建立瞭熱網絡模型,對隔離開關進行耑部溫度及最高溫度的計算與分析,併對比有限元三維倣真結果驗證瞭熱網絡方法的準確性.該方法可用于工程現場應用,便于快速得到精確的計算結果.
격리개관재실제운행중유우전조손모발열이온도승고,심지초과윤허온승,종이영향기공작성능.위료보증기공작적안전성화가고성,건립료열망락모형,대격리개관진행단부온도급최고온도적계산여분석,병대비유한원삼유방진결과험증료열망락방법적준학성.해방법가용우공정현장응용,편우쾌속득도정학적계산결과.
@@@@The working performance of disconnecting switch is affected by the maximum permissible tempera-ture exceeding which is caused by the heat loss of resistance .Thermal network model of disconnecting switch is es-tablished.It is used for calculation and analysis of the end point temperature and maximum temperature to ensure its safety and reliability.The accuracy of the thermal network model was verified by the results of 3D finite element method simulation.This method can be used for fast calculation under the accuracy request in engineering field .