1) ZVS
零电压
1.
An Isolated Three Level ZVS DC/DC Converter;
隔离三电平零电压直流变换器
2.
Research of ZVS-ZCS PWM Soft Switch;
零电压-零电流PWM软开关技术研究
3.
Research on ZVS Three-Level DC-DC Converter Using Current-Doubler-Rectifier;
采用倍流整流电路的零电压三电平变换器研究
2) zero voltage
零电压
1.
Analyse of zero voltage resonant switching DC—DC voltage depressed transform circuit s work state;
零电压谐振开关DC—DC降压变换电路工作状态分析
2.
The resuhs of simulation show that the soft-switch circuit can turn on or switch off in zero voltage.
仿真结果表明,该软开关电路能实现零电压开通和关断,输出脉冲为双向脉冲,有效地减小了主开关器件的开关损耗,提高了电路的工作效率,显示了该软开关电路应用于特种双向脉冲电源的可行性。
3.
A control method for the soft switching with zero voltage and zero current is proposed.
提出一种零电压、零电流软切换的控制方法,在半个工频周期中,把控制环节切换成五个不同的工作方式,通过充电、放电及谐振模式使整流电路的输入电流趋近于正弦波变化规律,从而减少高次谐波分量,有效地提高了输入功率因数。
3) zero-voltage
零电压
1.
Research on a zero-voltage soft-switching DC/AC converter based on ZVRT technology;
基于ZVRT的零电压DC/AC变换器的研究
2.
1 kW zero-voltage soft-switching unity power factor converter;
一千瓦零电压软开关高功率因数变换器
3.
Study of phase-shift full-bridge zero-voltage soft switch resonant circuit
移相全桥零电压软开关谐振电路研究
4) zero sequence voltage
零序电压
1.
The relation involves modulation signal and space vector,zero sequence voltage and redundancy vector and so on.
全面分析了三电平逆变器中应用的空间矢量调制法与载波调制法这两类调制方法的内在联系,包括调制信号与空间矢量、零序电压与冗余矢量的分配因子。
2.
Based on the analysis of the characteristics of open phase operational state, a novel open phase protection scheme utilizing the zero sequence voltage of the terminal and the negative sequ.
在分析非全相运行状态特点的基础上,提出了一种基于Powerformer机端零序电压和定子绕组负序电流的非全相运行保护方案。
3.
From analyzing the shape of the wave of the zero sequence current and zero sequence voltage,we acquire which phase fails.
MATLAB是对系统进行仿真,通过零序电流和零序电压的波形对系统进行分析,从而得到哪相发生故障。
5) null voltage
零位电压
1.
By using null voltage margin of IA axis and null voltage margin of SA axis controls illumination current of laser apparatus for reduce mass imbalance moment,in order to make mass imbalance moment tend to null.
根据速率积分陀螺浮子的结构特点,提出用陀螺在+IA和-IA位置的零位电压之差与陀螺在+SA和-SA位置的零位电压之差来控制激光去重仪在浮子IA轴向和SA轴向的光照电流,使浮子达到完全静平衡状态的闭环工作平衡法;并采用减小力矩器刻度因数来提高浮子的静平衡精度。
2.
The paper provides the solutions for improving the stability of instrument null voltage,product qualification rate,instrument scale coefficient consistency,and lowtemperature starting ability of the motor by improving the supporting mode,wiring mode,torquer and electromotor of the reactive type rate gyroscope.
通过对某反馈式速率陀螺仪进行支承方式、输电装置及力矩器和电机的技术改进 ,提高了产品可靠性、仪表零位电压的稳定性、产品的合格率、仪表比例系数的一致性等性能。
6) zero-sequence voltage
零序电压
1.
Improvement of the zero-sequence voltage sampling circuit in coal mine high-voltage distribution device;
煤矿6(10)kV高压配电装置零序电压取样电路的改进
2.
Analysis of zero-sequence voltage protection
零序电压保护的改进方法分析
3.
In order to solve the problem ot single phase grounding fault locating in non-effectively grounding networks, a zero-sequence voltage based practical method of locating and isolating for single phase grounding fault section is proposed in this paper, which operates on the feeder automation system of voltage-time type.
为解决小电流接地系统单相接地故障定位困难的问题,介绍了一种在电压时间型馈线自动化系统中基于零序电压检测的馈线单相接地故障区段定位与隔离方法,阐述了该方法的工作原理和馈线终端单元(FTU)的运行方式。
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