The technical index and calibration level of the DC resistance voltage divider are analyzed, the uniform calibration method is proposed, the uncertainty is analyzed and the checking method is given.
分析了直流电阻分压箱的技术指标和校准水平，提出了等分测量的校准方法，进行了不确定度分析，给出了验证方法。
In dc-dc converts, the average dc output voltage must be controlled to equal a desired level, though the input voltage and the output load may fluctuate.
对于直流-直流变流器，虽然输入电压和输出负载会波动，直流输出电压必须控制在一个希望的水平。
First, the topology of the inverter and different output voltage level numbers in the situation of different voltage value ratio of two DC power supplies are analyzed.
文章中首先分析了逆变器的拓扑结构以及在直流端电压比不同的情况下的输出电平数。
The rotor is aligned to a certain position specified in DC excitation mode for the period of (a), during which the IP pin voltage decreases from VREF to VREF/2 level.
在IP引脚电压从VREF降低至 VREF / 2期间，在阶段（a）转子在直流励磁模式下对准某一指定的位置。
VL is the minimum voltage level at the output in the dc-open-loop-gain measurement, and vol is the absolute minimum voltage level that the output can reach.
VL为输出直流开环增益测量的最小电压，VOL为输出所能达到的绝对电压最小值。
One of the research emphases of three-level inverter is the DC capacitor voltage balancing problem. In this paper this problem is studied thoroughly and a new method to solve it is proposed.
直流侧电容电压平衡问题是三电平逆变器的研究重点之一，本文对其提出了一种改进的控制方法。
It is proposed a novel hybrid asymmetric 9-level inverter in which an asymmetric 5-level inverter and an H-bridge inverter with equal dc bus voltage are series connected.
介绍了一种新型混合不对称九电平逆变器，它由一不对称五电平逆变器和一全桥逆变器级联而得，级联逆变器的直流母线电压相等。
It is proposed a novel hybrid asymmetric 9-level inverter in which an asymmetric 5-level inverter and an H-bridge inverter with equal dc bus voltage are series connected.
介绍了一种新型混合不对称九电平逆变器，它由一不对称五电平逆变器和一全桥逆变器级联而得，级联逆变器的直流母线电压相等。
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