分析并提出电动机绕组的最高温度点温升计算。
Calculation of the temperature rise at the max. hot spot in the motor windings is analyzed and presented.
硅整流管及晶闸管常在内、外部短路情况下损坏,这是由于其瞬时温升计算方法错误的缘故。
The cells of the silicon rectifiers and the silicon controlled rectifiers are generally destroyed by the internal and external short-circuit currents.
在参考传统电机温升热路图模型的基础上,提出了开关磁阻电机热计算的方法,为开关磁阻电机的温升计算提供了依据。
A method of temperature computation of the switched reluctance motor is presented in this paper. The method based on heat circuit graph refers to the conventional motor.
为了解决直接测试电机绕组零秒温升存在困难的问题,基于零秒电阻拟合方法,对3种温升情况下的电机绕组温升计算理论进行了分析。
In order to deal with this problem, temperature rise for motor winding under 3 cases of temperature rise is analyzed theoretically based on the zero second resistance fitting method.
计算了球形煤堆在夏季高温和冬季低温两种不同环境温度下内部温升情况。
Spherical coal stack's inner temperature distribution in high temperature circumstance (like summer) and in low temperature circumstance (like winter) are simulated in this paper.
本文介绍鼠笼型异步电动机转子笼条和端环起动温升的计算方法。
This paper introduces a method for calculating the temperature rise of rotor bars and end rings of squirrel cage induction motor during starting.
报告了温升试验、噪声测定和能耗计算的结果。
This paper reports the results of temperature rise tests, noise measurement and energy consumption calculations.
基于热线理论提出计算高速线材轧制温升的新方法。
A new method to calculate temperature rise in high speed wire rolling is proposed according to heat line theory.
分析研究了电磁机构的能量损耗组成、成因、理论计算方法以及线圈温升特性。
Then the constitution, cause, theoretical calculation method of power loss and the coil temperature rise characteristic are analyzed.
分析蒸气热泵的特点,提出最佳温升曲线的优化计算方法和蒸气压力预测智能控制算法,设计了纸机干燥部优化控制系统。
The property of steam ejector is analyzed. The optimize method of temperature curve and an algorithm of intelligent predictive pressure control are presented. The optimize control system is designed.
本文对于自然油循环变压器线饼温升的计算方法提出了新的意见。
This thesis brings some new proposals for the computation of temperature rise in nature oil transformer.
对其进行耐压、短路电动力、温升和结构变形的分析计算。
Insulation, short circuit force, temperature rise and structure deformed are simulated analysis.
通过计算绝热压缩温升和畸变形能沉积产生的温升,给出熔化判据,定量估计出了在小碰撞角下爆炸焊接界面熔化层厚度。
Throughcalculation of temperature rising callused by them, melt criterion is given, the thickness of melted layer near explosive welding interface with small collision Angle is estimated.
同时将计算结果与物理模型试验结果进行对比分析,平面温升分布趋势一致。
Meanwhile, through analysis of calculation results and experiment measure results, the trend of plane temperature rise distribution is consistent.
分析了变压器的发热和散热机理,介绍了分体式全自冷变压器温升的一种计算方法,并给出了计算实例。
The heat generating and dissipating mechanism are analysed. A method of temperature rise calculation is introduced and a calculation example is given.
并分析其误差的来源,该模型能较好地解决动态温升的计算。
The calculation of dynamic temperature rise can be easily solved with this model.
本文论述了凸极同步电动机起动时起动绕组温升的计算。
The computer simulation method for calculating temperature rise of salient pole synchronous motor starting winding is described in this paper.
结合工程实例,从砼温度控制基本要求、理论计算及施工技术措施等方面提出温升控制的具体方法。
Combining with engineering example, bring up the specific methods of temperature rise from the basic demand, theory calculate, and construction technical measure.
同时本文还做了单段铁心与半轴向长( 2 5段铁心)的温升对比计算。
At the same time, temperature rise calculations in single-segment iron core and in half-of -axial-length region(25 segments) were done and compared.
通过对该电机定子温度场计算结果的后处理,得出了该电机定子运行在不同时间段里的温度分布图,以及该电机定子壳体任一节点的温升曲线。
Dealing with the calculation results of the temperature field of the motor stator, we obtain the temperature distributed diagram at not same segment, and the temperature rising the curve of any node.
建立了丝杠磨削热引起的温度分布理论计算模型,在此基础上分析了温升与工件热变形的关系。
The model for calculating the temperature distribution of leadscrew caused by grinding heat is established and the relationship between the temperature and thermal deformation is given.
计算结果显示,设计的高速电主轴单元主轴轴承、主轴前端温升理想,工作端轴向热位移很小。
The results indicate that temperature rises of the designed high-speed spindle bearings and the front of the spindle are very ideal and the thermal displacement of the front is very small.
提出了以上界三角形速度场计算高速线材精轧阶段温升的方法。
A new method is proposed to calculate the temperature jump during high-speed wire finish rolling through upper-bound triangular velocity field.
介绍了区域供冷系统二次管网的冷量损失及冷量损失导致的温升的计算方法,并对某个二次泵变流量运行的区域供冷系统进行了计算。
Presents the calculation method of cooling loss and temperature rising caused by cooling loss of the variable water flow secondary piping network in district cooling system(DCS).
分析计算了铁心、低压绕组、高压绕组的温升特性及整体温度分布和最热点位置。
The temperature rise characteristics of core, LV coil and HV coil, as well as whole temperature distribution and the location of the heatest spot were analysed and calculated.
第五章:对爆炸压实过程中混合粉术的冲击温升及细观传热进行了计算和分析。
Chapter 5: the calculation and the analysis of the temperature rise caused by impact and the microscopic heat transfer during explosive compaction were carried out.
分析计算了传感器表面最大温升与损伤特性;
The maximum rise of temperature and the damage property of sensor's surface are analyzed and calculated.
采用有限差分方法,建立了基于混凝土绝热温升试验的早龄期混凝土温度场计算模型。
A finite difference model for predicting temperature fields in early age concrete is presented based on adiabatic test on concrete.
考虑局部温升会引起折射率的变化,对蓝宝石体材及其内部绝热剪切带的折射率进行了理论计算。
We first take the temperature effect on the refractive index into account, the refractive index of shear band and its surrounding bulk material in shocked sapphire was quantitatively determined.
对一台2200KW实际同步电动机阻尼绕组起动温升的计算值同实测结果进行了比较,表明文中提出的方法切实可行,具有较好的工程精确度。
The comparison of calculated damper temperature rises with tested results on a 2200kw synchronous motor shows that the presented computation method has a good engineering accuracy.
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