A control method based on compensating unbalanced effect completely by the fourth leg is proposed for DC-AC power conversion process using four-leg topology .
针对直流-交流电力变换过程,采用四桥臂逆变结构,提出了通过第四桥臂对负载产生的 不 平衡 因素进行全补偿的控制方法。
With the new method the unbalanced loss is attributed to the redundant PWM state and an improved PWM is presented . The Effect of Loss Caused by Unbalanced Operation of Distribution Network
在此基础上,分析了 发热 不 均衡的原因,并提出了改进的脉宽调制(PWM)方案。配电网三相不平衡运行对线损的 影响
An unbalanced diet has an adverse effect upon health .
饮食摄取 不 均衡会对健康产生不良的 影响。
The calculation of unbalanced magnetic pull and its effect on vibration of an eccentric rotor
不 平衡磁拉力及对偏心转子系统振动的 影响
Adopting ANOVA of unbalanced data evaluating the effect of different treatment the best treatment through the multiple comparison graph is got .
采用 非 均衡数据的单因素方差分析法,评价不同疗法的 优劣,并结合多重比较图,得到最佳的疗法。
With mixed linear model and MINQUE ( 1 ) method the unbalanced data from crop culture experiment were analyzed and the effect of ecological environment and its mutual effect with treatment combination on yield and other objective traits were revealed .
运用混合线性模型和MINQUE(1)法对作物栽培试验 非 平衡资料进行分析,揭示了生态环境 效应、处理组合与生态环境互作效应对作物产量等目标性状的影响;
However for a long time the thought ideological and political education for individual growth and development of the role was its social function of the cover which leads to the unbalanced development theory system and affects the practice effect .
但是,长期以来,思想政治教育对于个体的成长与发展的作用一度被其社会功能所掩盖,从而导致了理论体系发展的 不 平衡进而影响了实践的 效果。
In addition to vertical shear force slab-column connections also have to transfer unbalanced moment due to combined vertical and lateral forces as a result of wind effect or earthquake excitations .
在风 荷载或地震荷载等水平荷载及竖向荷载共同作用下,板柱节点除了要传递垂直剪力外,还必须传递较大的 不 平衡弯矩。
Unbalanced structure of competitive capacities and its compensation effect from the perspective of asynchronous development
非同步性发展视角下的竞技能力 非 衡结构及其补偿 效应
Nowadays the Chinese economy developed rapidly but the structure of the economy is still unbalanced the effect of boosting the economy development by consumer has not fully revealed .
当今中国经济发展迅速,但经济发展的结构 不够 均衡,消费对经济的拉动 作用未充分显现。
For solving the unbalanced loads the concept of the virtual rigidity is introduced to take account of the tension stiffening effect .
求解 释放荷载过 狴中引入虚拟刚度概念,用以摸拟拉伸硬化 效应。
Unbalanced cultural development is one of the most important factors causing the development discrepancy of regional economy . Many examples in real life can be cited to show the immense effect of cultural roots .
文化 非 均衡的发展是形成区域经济发展差异的重要因素之一,在现实生活中有许多实例可以证明文化根源的巨大 影响。
The unbalanced magnetic pull ( UMP ) in a three-phase generator caused by relative eccentricity is calculated theoretically and its effect on vibration of an eccentric rotor is studied .
研究了电机中由于相对偏心引起的 不 平衡磁拉力对转子系统振动的 影响。
This unbalanced situation originated within the media also originated from the exterior factors around the media both interfered or spoiled the effect of TV news communication .
这种 不 平衡来自媒介,也来自围绕媒介的外部生态因素,但都会对电视新闻媒介传播 功能的最优化形成掣肘。
Employing a policy called lower bound method and based on priority difference unbalanced load redistribution the initial effect is produced through duality principle . Taboo search calculation is also introduced to raise its function .
这种方法利用了一种称为下界方法(lowerboundmethod)的策略,初始 结果通过对偶问题的方法产生,用到了基于优势,差异, 非 平衡的负载重分布方法,同时引入了禁忌搜索算法以提高性能。
This paper also points out that the unbalanced insulation level modes by increasing or decreasing 10 % insulators not only weaken the power frequency voltage insulation level but also have little effect as the unbalanced degree is too small .
采用减小或增大10%的绝缘子片数的 不 平衡绝缘方式既削弱了一侧的工频绝缘水平,又因不平衡度太小而起不到 作用。
Due to unevenness of sinter material the sinter process is unbalanced which has effect on product rate and strength of sinter ore.
由于烧结用原燃料的不均一性,使得烧结工艺过程是一个 不 平衡的工艺过程, 影响着烧结矿的成品率和强度。
Mining Knowledge from Unbalanced Data : Effect of Class Distribution on SVM Classification
不 平衡数据知识挖掘:类分布对支持向量机分类的 影响
By applying generalized harmonic to purify unbalanced axis orbit signals collected from some test-bed the filtered axis orbit is obvious ellipse which demonstrated that generalized harmonic wavelet has good filtering effect .
对某试验台采集到的 轴心轨迹信号进行谐波小波提纯,得到明显的椭圆形轴心轨迹,说明广义谐波小波有良好的滤波 效果。
The development of domestic and foreign venture capital practice has proved that the distribution of VC is unbalanced . The cluster effect promotes a regional high-tech industries developing .
国内外创业风险投资发展的实践证明,创业风险投资的区域分布具有很大的 不 均衡性,创业风险投资的这种区域集聚 效应促进了区域性的高技术产业的发展。
Non ‐ randomized study have some limitations such as is the unbalanced nature of the distribution of prognostic factors between groups and a variety of bias exists will produce biased treatment effect estimates .
而非随机化研究同样存在一定局限性,如在于预后因素在组间分布的 不 均衡性以及各种偏倚的存在,会产生有偏的处理 效应估计。
The effect of CP on K562 cells leads to unbalanced growth of them An additional finding is that the direct effect of CP does not induce a significant change of cell cycle distribution of K562 cells .
还发现CP对 K562细胞的直接 作用没有明显改变K562细胞在细胞周期中的分布。
For the benefit of the experiments with nested and cross designs which include unbalanced data and arbitrary weight vectors the general formulas of the effect decomposition and analysis of variance are established and the expressions of three hierarchical effect spaces of the models are given .
对于含 非 平衡数据和任意权向量的巢式和交叉设计的实验,本文建立了 效应分解和方差分析的一般公式,并给出了模型中的三个谱系效应空间的表达式。
For AC electric arc furnace is an unbalanced nonlinear and time variant load that produces unbalance harmonics and interharmonics related with flicker effect .
由于交流电弧炉是一种 不 平衡的、非线性时变负载,它产生与电压闪变有关的不平衡、谐波和分数谐波,所有这些就需要一种非线性、不对称的动态 u&i特性的电弧炉模型。
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[计] 不平衡作用