1) deviation voltage
偏差电压
1.
Comparison anddescription of the two influences are detailed throughillustration and theoretical analyses, then get to importantconclusions: the deviation voltage is in relative with the output current direction in hard-switching inv.
传统的硬开关PWM逆变器中,开关死区时间的设置在逆变器的输出端产生偏差电压,该偏差电压引起输出电压和电流一定程度的畸变;而在谐振直流环节软开关逆变器中,直流环节上的零电压凹槽也在逆变器的输出端产生偏差电压及输出波形畸变;该文的目的在于通过图解和理论分析的方法对这两种影响进行详细的比较和描述,并得出重要结论:硬开关逆变器中产生的偏差电压与输出电流方向有关而软开关逆变器中产生的偏差电压与输出电流无关,使得其输出波形畸变原理和校正策略完全不同;最后在规格完全相同的硬开关和软开关电路中实验验证了相关结论的正确性。
2) voltage deviation
电压偏差
1.
Taking a water turbo-generator for an example, the numerical calculations for two-dimensional electromagnetic field of water turbo-generator and two-dimensional fluid field inside radial ventilating ducts under network voltage deviation are respectively carried out by finite element method and finite volume method.
以一台水轮发电机为例,分别采用有限元法和有限体积法对电网电压发生偏差时水轮发电机的二维电磁场和径向通风沟内的二维流体场进行了数值计算;给出了电网电压发生偏差时定子股线和定子铁心的基本铜耗、涡流损耗以及通风沟内各散热表面的散热系数:最后采用有限元法对定子三维温度场进行了计算,分析了电网电压偏差对定子温度场的影响,得出了一些有用的结论。
2.
Symmetrical finite element model for suspension-type surge arrester located at ground is proposed to calculate the electric distribution and optimize its grading ring arrangement based on the object of minimizing voltage deviation for varistor.
建立了悬挂式避雷器置于地面时的2D轴对称有限元模型,并对其电场进行了计算,以电阻片电压偏差为目标函数对均压环结构进行了优化设计。
3.
On the basis of the theory and the site situation,the relationship between the voltage deviation and the fluctuation of the reactive power was analysed.
从理论并结合应用实际对系统的无功波动、电压偏差的关系进行了分析。
3) lower voltage deviation
低电压偏差
1.
The paper presents the power saving technology of distribution grid system and its consumers in aluminum smelter and its application,analyzes the power saving principle of regulating rectifier unit renning,lower voltage deviation running and reconfiguration of distribution grid.
介绍了电解铝厂配电网系统和用电设备的节电运行技术及应用,分析了调压整流机组经济运行技术、低电压偏差运行技术、配电网重构技术的节电原理。
4) ratio of voltage warp(RVW)
电压偏差率
1.
The ratio of voltage warp(RVW) for the varistor is defined to simulate a polynomial of every diameter and suspended heights of the grading ring.
定义了阀片电压偏差率并以此为目标函数,建立该目标函数与各均压环环直径和悬挂高度的拟合多项式关系。
5) phase error of terminal voltage
端电压偏差
6) DC voltage measurement error
电压测量偏差
1.
The block fault which was induced by DC voltage measurement error in actual HVDC system is simulated on the RTDS (Real-Time Digital Simulator) simulation system.
在RTDS实时仿真系统上模拟再现了实际直流系统曾发生的电压测量偏差引起的直流闭锁故障,证实了直流现场电压异常波动问题为电压测量偏差所致。
补充资料：标准操作冲击电压波形(见冲击电压发生器)
标准操作冲击电压波形(见冲击电压发生器)
standard switching impulse voltage waveform
b .oozhun CooZuo ChongJld，onyo boxlng标准操作冲击电压波形(standard switchingimpulse voltage waveform)见冲击电压发生器。
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