1) conversion of electrical endurance

电寿命折算
3) life estimation

寿命估算
1.
Based on analysis of the test results and by making use of improved Map-Ductility Exhaustion approach,the interaction behavior of steel P91 and its life estimation method are obtained.
对电站锅炉用P91的母材及焊接接头的蠕变/疲劳交互作用进行试验,使用改进的延性耗损法对试验结果进行分析和处理,得出了P91钢的蠕变/疲劳交互作用特性及交互作用状态下的寿命估算方法。
2.
The method of fatigue analysis and life estimation of wind-induced buffeting of long-span bridges is developed by assuming the life is in accord with the Weibull Distribution based on the theory of reliability.
论述了大跨桥梁风致抖振疲劳分析及寿命估算方法。
4) life prediction

寿命估算
1.
BZ]In this present work, the fatigue reliability reseach field of composite material is divided into four sections of the load and condition spectrum, fatigue behavior, fatigue life prediction, fatigue reliabilily analysis and design.
将复合材料疲劳可靠性研究领域划分为载荷 /环境谱的编制、疲劳性能、疲劳寿命估算及疲劳可靠性分析与设计四个方面 ,并分别简述了各自方面的研究进展。
2.
A sample approach was proposed herein,which was for fatigue life prediction.

提出了一种结构随机振动疲劳寿命估算的样本法,通过该样本法能够处理在频域内用谱密度描述的宽带随机振动载荷的情况。
5) Life calculation

寿命计算
1.
As per related standard,low-cycle fatigue life calculation must be carried through for boiler drums of peaking units;otherwise the secure and economic operation of units will be seriously impacted.
根据相关标准,调峰负荷机组必须进行锅炉锅筒的低周疲劳寿命计算,否则,严重影响机组的安全、经济运行。
2.
The theory foundation is provided for accurate load judgment,life calculation,and type selection and performance analysis.
基于此 ,该方法为轴承实现精确的承载判定、寿命计算、类型选用和性能分析等提供了理论基
6) life estimation

寿命计算
1.
In order to fit in with the need of unit s life estimation of present large size peaking boiler, the state made public National Standard "Low Cycle Fatigue Life Estimation of Drums of Water Tube Boilers",.
为适应目前大型调峰锅炉机组寿命计算需要,国家公布了国际"水管锅炉锅筒低周波劳寿命计算"方法。
补充资料:厂用电受电
厂用电受电
energizing of auxiliary power system
chongyongd一on sho一Jd一on厂用电受电(energizing of auxiliary powersystem)机组附属设备安装完毕后需通电试运行,所需厂用电源由外部供给,因此厂用电受电是调试工作开始的标志。 受电步骤新建电厂先由电力系统向变电站供电,再依次对高压起动/备用变压器、3~10kv厂用配电装置、厂用工作变压器及380V配电装置供电。扩建电厂因高压起动/备用变压器已经投人运行,故可利用它的电源对扩建的厂用配电装置等供电。 调试项目主要有:①用额定电压依次对空载线路、变电站母线、隔离开关、断瘩器、互感器、变压器及厂用配电装置等进行冲击合闸试验。有条件时.冲击合闸前应先进行递升加压试验。升压过程中注意检查各设备有无放电声及短路现象,发现问题及时处理后再进行升压。②检查三相电压应平衡,相序应正确,各段母线的相位彼此应一致。对配电装置供电时,有时会由于母线电容和与母线连接的电磁式电压互感器的电感相互作用而出现铁磁谐振,此时相电压升高,中性点明显位移。为消除谐振可在电压互感器的剩余电压绕组处并联电阻以去振。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条