三相不对称负荷造成三相不平衡。
The three-phase asymmetry loads cause the three-phase imbalance.
电力市场环境下，电力公司与用户之间存在的信息不对称性可能会导致可中断负荷管理的低效。
In electricity market, the informational asymmetries between utilities and customers may cause inefficiencies in interruptible load management.
在谐振接地系统中，系统高压侧不对称故障及负荷的不对称会引起系统电源电势的不对称，从而改变中性点位移电压。
In resonant ground systems, both asymmetric fault of high-voltage side and asymmetry of load cause the asymmetry of system electrical source voltage. Then they change neutral displacement voltage.
随着电能在国民经济各部门中的广泛应用，用电负荷迅速增加，特别是不对称、冲击性、非线性负荷容量不断增长，电能质量的问题日益突出；
With the rapid increase of electric power load, especially the increase of unbalanced, impact and nonlinear loads, the power quality problems have been more and more serious.
自二十世纪七十年代以来，由于电力电子器件及其它非线性负荷在电网中大量的投入使用，使电网的非线性、不稳定性和不对称性日趋严重。
Since 1970s, the nonlinear, the instability and theunbalance of the voltage have become more and more serious due to the electronic device and other nonlinear load in power network.
三相负荷不平衡以及系统元件三相参数不对称都会引起电力系统三相不平衡。
The definition and national standard of three-phase unbalance in power system were expatiated.
电气化铁路是电力系统中的特殊用户，其负荷具有随机波动性、非线性和不对称性。
The electrical railway is a special user of power system; the load has many disadvantages like acute fluctuation, nonlinear and asymmetry.
用椎间盘后减载预负荷高度、腰椎不对称度和L1、S1上终板之间冠状面cobb角来定义主要的测量结果，即椎间盘压缩程度。
Main outcome measures were disc compression, defined as post - minus preloading disc height, and lumbar asymmetry, defined as the coronal Cobb Angle between the superior endplates of S1 and L1.
用椎间盘后减载预负荷高度、腰椎不对称度和L1、S1上终板之间冠状面cobb角来定义主要的测量结果，即椎间盘压缩程度。
Main outcome measures were disc compression, defined as post - minus preloading disc height, and lumbar asymmetry, defined as the coronal Cobb Angle between the superior endplates of S1 and L1.
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