zero-voltage中文是什么意思

• 零电压

• zero    n. (pl. zeros, zeroes) 1.【数学 ...
• voltage    n. 【电学】电压，电压量，伏特数。 the worki ...
• voltage zero    电压零值
• zero voltage    零电压; 零压
• logical zero voltage    逻辑零电压
• no-colour zero-voltage level    无色零电平
• point of zero voltage    电压零点
• residual voltage at zero    零点残余电压
• zero of voltage rectification    电压整流度
• zero offset voltage    零补偿电压
• zero phase sequence voltage    零相序电压
• zero phase voltage transformer    零相电压互感器
• zero shifting voltage    移零电压
• zero step-up voltage    零阶跃电压
• zero voltage current    零压电流
• zero voltage resistance    零电压电阻; 零压电阻
• zero voltage switch    零电压开关
• zero voltage transition    零电流转换
• zero voltage trip    零电压脱扣
• zero-phase voltage transformer    零相电压互感器
• zvs zero voltage switching    零电压切换
• foundational wave zero sequence voltage    基波零序电压
• zero gate voltage source current    零栅电压源电流
• at zero    在零度
• t-zero    n. 〔俄语〕【宇宙空间技术】(人造卫星等的)发射时间。

• The zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode , the output rectified voltage is close to the output voltage over the entire input voltage range , thus the output filter can be reduced significantly , leading to high power density and fast dynamic response . so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells , photovoltaic cells , and telecom power supplies , where the voltage varies in a wide range
  零电压开关复合式全桥三电平( zero - voltage - switchingpwmhybridfull - bridgethree - level , zvspwmh - fbtl )变换器可以工作在三电平模式和两电平模式,在很宽的输入电压范围内,输出整流电压都接近输出电压,从而可以减小输出滤波器,因此可以提高变换器的功率密度和改善动态性能。
• Influence of dc - rail zero - voltage notch on the output of the inverter is investigated , and an important conclusion is obtained that the direction of output current of the inverter is not effected by the voltage deviation produced by dc - rail zero - voltage notch , on the basis of which , a new simple correction approach is put forward . experiment results show that the proposed correction method is effective
  探索了直流母线零电压凹槽对逆变器输出特性的影响，得出了母线零电压凹槽形成的输出电压偏差与逆变器输出电流方向无关这一重要结论，在此基础上，提出了一种简便的校正新方法，通过试验验证了该校正方法的有效性。
• A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis , which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle , characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter
  本文在对近年来电力电子学科的发展高度综述和对现代高频软开关功率变换技术理论基础深入研究的基础上，对传统的移相控制zvspwmdc dc全桥变换器的工作原理、电路特性、存在的缺点进行了分析，在此基础上提出了一种改进型的移相控制zvzcspwmdc dc全桥变换器。
• A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed , which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter . xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong
  提出了一种零压启动的他激转自激方法；通过采用锁相环技术实现了逆变器工作频率的自动跟踪和容性逆变角度的恒值控制；设计了适用于并联谐振型逆变器的igbt驱动与保护电路，解决了驱动信号的时间补偿以及重叠角的可调问题；提出了一种新颖、实用的逆变器过压保护方法，有效地解决了并联型谐振逆变器过压保护这一难题。
• Aimed at this problem , we proposed a zero - voltage switching pwm hybrid full bridge three - level ( zvs pwm h - fb tl ) converter in this thesis . in the thesis ' s first part , it analyzes the converter ' s operation principle and the duty cycle loss in details , makes a round comparison with the conventional full - bridge ( fb ) converter
  本文首先分析zvspwmh - fbtl变换器的工作原理，讨论开关管实现zvs的条件，解释漏感带来的占空比丢失问题，给出滤波电感的计算公式，和传统的全桥变换器进行了全面的比较。
• Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology , working waveform of power transformer and process of rectifier and transition are presented in detail . the influence of resonant inductance of the power transformer , resonant capacitor and variation of load to the process of soft - switching are given
  主要对软开关滞后桥臂和超前桥臂的零电压开通、关断过程，功率变压器的工作波形及整流换流过程进行了详细的仿真分析，并重点讨论了逆变器的谐振电感、谐振电容以及负载变化对软开关过程的影响。
• Zero - voltage - switching three - level dc / dc converter in the thesis is developed and manufactured , and the basic operation principle and its control strategies of three - level zero - soft - switch pwm dc converter are discussed . hardware design of main system and control system is accomplished by circuit design software protel99se . the difference of leading switches and lagging switches to realize the zero - voltage switching and the reason of duty - cycle loss is emphatically argued
  本课题通过三电平零电压开关直流变换器( zero - voltage - switchingthree - leveldc / dcconverter )的研制，探讨了三电平软开关pwm直流变换器的基本工作原理及其控制策略，利用电路设计软件protel99se完成了控制系统及主系统的硬件设计。
• According to the mechanism characteristics of the ac motor , with zero - voltage switching technology , the pdm converter mathematical models both the pwm and rectangular wave control mode are given in this paper . and the voltage and current harmonic analysis and the simulation waveforms of the output voltage , current and power are also described respectively
  根据交流电机在恒转矩区和恒功率区的特性，结合零电压开关技术，分别给出相应的脉宽调制控制( pwm )方式和方波控制方式下的高频交流脉冲密度调制变频器的数学模型，电压和电流的谐波分析以及输出电压、电流和功率的仿真波形。
• Some of researchs of the dc source system are introduced in the thesis . the main contents are follows : firstly , a kind of dc source system based on the distributed system is given . secondly , the design and realization of the switching source charger with phase - shifted zero - voltage - switching converter is discussed particularly . then the analysis of the control system of the charger is processed and a way of current sharing composed of the droop method and the master - slave method based on the random switching of the master is givea thirdly , the design and realization of each measure and control unit isintroduced
  本论文介绍了作者研究和开发直流电源系统的若干成果，主要有：给出了一种基于分布式架构的直流电源系统；详细介绍了全桥移相零电压软开关高频开关电源充电机的设计和实现过程，对充电机的控制实现过程进行了详细分析，提出一种输出阻抗法和主机随机转换的主从法相结合的均流方法；对直流电源监控系统各个前级测控单元的设计和实现进行了分析，重点介绍了蓄电池巡检单元、绝缘检测单元、母线调压单元的设计和实现过程；开发了一个基于组态软件构架的直流电源系统后台监控软件；最后介绍了在开关电源、通讯、单片机系统设计中采取的一些抗干扰措施。
• In the thesis , some of the most important functional modules of the smart power control ics are researched and designed , including voltage reference , voltage regulator , under voltage lockout , oscillator and zero - voltage comparator . their topologies , schematics and layouts are introduced and developed
  本毕业设计研究和提出了构成智能电源控制芯片的主要功能模块，完成了其中若干模块ip核的电路与版图设计? ?包括基准电压源，电压调节器，欠压锁定比较器，振荡器，电压过零比较器等。