2) core loss
铁耗，铁损
3) Core loss
铁芯损耗
1.
The core loss spectrum P(f) of soft magnetic alloy with constant permeability has been studied.
研究了恒导磁合金的铁芯损耗谱Ｐ（ｆ），发现Ｐ（ｆ）只有分形结构讨论了感生各向异性能Ｋ_ｕ对分形维数Ｄ_ｆ的影响。
2.
The core loss spectrum P(f) of Fe-B-Si amorphous soft magnetic alloy has been studied.
研究了Ｆｅ─Ｂ─Ｓｉ非晶软磁合金的铁芯损耗谱Ｐ（ｆ），发现Ｐ（ｆ）具有分形结构。
3.
On the basis of effective measurement of power ferrite core loss with DC bias and sine-wave excitation,the paper goes deep into the influence of power ferrite with DC bias.
对具有直流偏置、正弦电压激磁的功率铁氧体铁芯损耗进行有效测量的基础上,分析了直流偏置对铁氧体材料的性能的影响和磁损与交直流磁感应强度的关系,在一定的交流激磁范围内,为磁性元件的设计提供了一定的参考。
4) Iron losses
铁心损耗
1.
Numerical calculation and analysis of stator iron losses due to rotational flux and magnet pole eddy-current loss in PMSM;
考虑旋转磁通的PMSM铁心损耗数值计算
2.
Based on the Bertotti iron loss separate model,a calculation model of iron losses of electric magnetic material fed by PWM inverter is proposed using the Bessel function,considering the influence of the inverter parameter,the numerical relationship of material loss between sinusoidal voltage supply and PWM voltage supply is presented,it provides a new theory of the study on electric material.
采用PWM逆变器供电时的三相异步电动机进行样机实验,结果表明,该计算模型对PWM供电下电机铁心损耗的理论计算具有很好的工程应用价值。
3.
Finally,eddy current losses and hysteresis losses are separated from iron losses of BSRM using the double frequency method with each of the three control strategies,respectively.
通过双频法分离铁损,分别计算了3种控制策略在不同转速时的电机涡流损耗和磁滞损耗,给出了电机铁心各部分损耗随转速变化的关系,由此得到了3种控制策略对铁心损耗的影响。
5) core loss
铁心损耗
1.
The equipment selection, test wiring and test method during the field test for stator core loss of 600 MW generator are expounded in detail, this can provide much useful experience to the field test for stator core loss.
文章详细介绍了在运行现场进行600 MW发电机定子铁心损耗试验的设备选择、试验接线、试验方法等,为运行单位进行现场定子铁心损耗试验提供经验。
6) iron loss
铁心损耗
1.
Analyses the formation and essence of iron loss on electrical machine,discusses the demagnetization principle of armature reaction of direct current machine,specifies the implication of parallel operation of synchronization generator by quasi-synchronous method,thereby understands relative concepts deeply.
分析了电机中铁心损耗的形成机理及其本质,讨论了直流电机电枢反应的去磁机理,明确了同步发电机准同期并列的含义,从而深刻理解有关基本概念。
2.
Secondly, the producing principle of stator iron loss and rotor eddy-current los
其次,理论分析了永磁变速器定子铁心损耗和转子涡流损耗产生机理,并分别推导了损耗计算公式;根据计算公式,研究了损耗随动态特性变化规律,分析了转矩转速对效率的影响,并得出了相应结论。
补充资料：铁芯损耗
单位重量的铁芯材料在交变磁场作用下所消耗的无效能量。这一部分能量变为热量而损失掉,其单位为W/kg。铁芯损耗主要包括磁滞损耗和涡流损耗。磁性材料在磁化和反磁化过程中有磁滞现象，引起能量损失，称为磁滞损耗(Wkg)。磁滞损耗由直流磁滞回线面积表示。磁性材料在交变磁化过程中，感生出局部电动势，引起涡流，而造成能量损失，称为涡流损耗。实际电工钢板测得的铁芯损耗大于测出的磁滞损耗和按经典公式计算的涡流损耗之和。两者之差称为反常损耗。
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