1) neutral potential unbalancing
中点不平衡
2) the unbalance of neutral potential
中点电位不平衡
1.
This thesis first introduces the operating principle of three-level inverters briefly,then it gives the modulating calculation of SVPWM,and finally it makes an analysis of the influence on(voltage) space vector exerted by the unbalance of neutral potential and advocates the(improvement) of SVPWM calculation,during which the compensation control of voltage vector is implemented.
首先简介三电平逆变器的工作原理,然后给出SVPWM控制的算法,最后分析中点电位不平衡对电压空间矢量造成的影响,并对SVPWM的算法进行改进,实现对电压空间矢量的补偿控制。
3) neutral-point balance
中点平衡
1.
The problem of neutral-point balance is resolved by changing the amplitude of current reference according to the voltage error of two capacitors.
通过两输出电容电压的偏差改变电流参考给定来实现整流器输出中点平衡。
4) unstable equilibrium point
不稳定平衡点
1.
In this paper, the characteristics of physical stability and unstable equilibrium point are analyzed based on the trajectory of dynamic process to further realize the synchronization stability features in multi-machine power system.
为进一步认识发电机同步稳定性特性,基于动态过程的轨迹,分析了多机电力系统的发电机稳定性物理特性及不稳定平衡点特性。
2.
Numerical simulations show that the method can suppress chaos to unstable equilibrium points or unstable periodic orbits(limit cycles) successfully.
数值模拟进一步验证了经典反馈控制方法均可成功将Lü系统混沌运动轨道镇定到不稳定平衡点或不稳定周期轨道,即极限环上。
3.
An unstable equilibrium point is reached when tracing the curve from a stable equilibrium point.
提出了一种利用连续法求解电力系统相关不稳定平衡点的方法。
5) node imbalance power
节点不平衡功率
1.
By introducing the concept of node imbalance power,the problem of maximum transmission capacity of power network is described as an optimal power flow model,which changes the common practice of setting the direction of load increase,and makes the result more practical.
通过节点不平衡功率概念的引入,将电网的最大传输能力问题描述成为一个最优潮流模型,改变了过去给定负荷增长方向的假设,使得到的计算结果更有实际意义。
6) neutral-point balancing
中点电位平衡
1.
The neutral-point balancing is an inherent problem of the three-level NPC inverter.
中点电位平衡问题是三电平NPC逆变器的一个固有问题。
补充资料：中点
1.中午正餐前的点心。
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