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   输出波形 在 电力工业 分类中 的翻译结果: 查询用时:1.415秒
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输出波形     
相关语句
  output waveform
    Analysis of an RC Loop Multivibrator Output Waveform
    RC环形多谐振荡器输出波形分析
短句来源
    A Novel Output Waveform Control Technique for Inverter Based on Observation of Modeling
    基于建模误差观测的逆变器输出波形控制技术
短句来源
    A study on measuring Invertor's output Waveform total Distortion by microprocessor
    逆变器输出波形失真度的单片机测量研究
短句来源
    Voltage Type Inverter Output Waveform Control Technology
    电压型逆变器输出波形控制技术
短句来源
    Study on Control of Multilevel Inverter for Sinusoidal Output Waveform
    多电平逆变器输出波形控制技术研究
短句来源
更多       
  output wave
    The essay discussed in detaily the following contents:(1) Described the two kinds of PWM modulation methods of carrier phase-shift in serial units mid-voltage frequency converter, and done simulation to the PWM modulation of carrier level phase-shift and vertical phase-shift ,analysised the output wave forms that under different modulation.
    (1) 详细阐述了单元串联中压变频器两种载波移相的PWM调制方法,分析了各自的优劣,并对载波水平移相和垂直移相PWM调制进行了仿真,分析了在不同调制度下的输出波形。 仿真和系统实验表明,载波水平移相和垂直水平移相PWM调制可以提高等效开关频率,使输出波形电平数增加,减小谐波,改善输出波形
短句来源
    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 inverters while isunassociated in soft-switching inverters, which makes the quite differences in the output wave distortion principle and thecorrection strategies.
    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;
短句来源
    The software carries out output wave control, creates digital sinusoidal norm and implements logical control functions of inverter, that is, inverter protecting, monitoring and measurement and so on. The paper analyses the concerned errors.
    软件实现输出波形控制,生成数字正弦基准,实现逆变器逻辑控制功能,即对逆变器的保护、监测和切换进行控制等,并进行了相关误差分析。
短句来源
    On basis of overcoming these shortcomings, we suggested a theory producing multi-paths SPWM by using vector rotating method that based on CPLD, this method keeps the benefits of the level phase-shift and vertical phase-shift but with simpler calculation and better output wave forms and faster response and better reliability.
    本文正是基于上述缺点,在着力解决水平移相和垂直移相PWM的缺点的基础上,提出了基于CPLD的矢量旋转法产生多路SPWM的理论,该方法不但继承了水平移相和垂直移相的优点,而且具有运算简便、输出波形完美,系统响应速度快、可靠性强等优点。
短句来源
    This paper focuses on widely used three phases half bridge voltage inverter,and solution to switching angle of the output wave used selected harmonic elimination technique.
    本文以最常用的三相半桥电压逆变电源为研究对象,给出了其输出波形采用特定消谐技术的数学模型及开关角的解。
短句来源
更多       
  output waves
    Cycloconverter can provide excitation for AC exciting generator(ACEM),but its control theory and calculation errors lead to the problem that there are aberrance and dissymmetry in the 3-phases output waves.
    交流励磁发电机的励磁一般是由交 -交变频器提供 ,但是由于变频原理、控制算法的误差以及线路参数的不对称 ,最终导致变频器的三相输出波形与标准正弦波相比 ,存在波形不对称、畸变较大的问题。
短句来源
    By using the computer simulation technique, this paper deals with the method of eliminating harmonics in output waves of a voltage-source PWM inverter, gets the solutions without 2, 4 or 5 harmonic components, and apply them to a typical induction motor.
    用计算机仿真技术分析了电压源脉宽调制(PWM)逆变器输出波形中的谐波消除法,给出了去除两个、四个及五个较低次谐波分量的解及波形,并把它们应用到一台典型的感应电动机上。
短句来源
    The experiment results indicated that the output waves are excellent,and that this NCC is a powerful electrical source of low speed,large power motor drive system.
    运行结果表明,该变频电源输出波形质量好,运行可靠,是低速大容量拖动控制系统较理想的变频电源。
短句来源
    A 2KVA /100KHz metalized film power supply is manufactured and some particular circuit and output waves are also given.
    制作了2KVA 100KHz用于蒸镀法的电源,文中给出了部分具体电路和输出波形.
短句来源
  output waveforms
    A designed and developed prototype for DC 3kVA 27V / AC 200V400Hz three-phase inverter with high frequency soft-switching has excellent comprehensive performances such as small bulk,lower weight, high conversion efficiency,high steady precision,fast dynamic response, wide input voltage range, good output waveforms, strong over-load and short-circuit ability, strong ability with different nature load and three-phase unbalanced load, and ZVS of the inverter bridge.
    设计并研制成功了3kVA27VDC/200V400HzAC高频软开关三相逆变电源,它具有体积重量小、变换效率高、静态精度高、动态响应快、输入电压变化范围宽、输出波形质量高、过载与短路能力强、带三相不平衡负载的能力强、逆变桥功率开关实现ZVS等优良的综合性能。
短句来源
    A designed and developed prototype for 3kVA 27VDC/200V400HzAC combined three-phase inverter with high frequency pulse DC link has excellent comprehensive performances such as small bulk, lower weight, high conversion efficiency, high steady precision, fast dynamic response, wide input voltage range, good output waveforms, strong over-load and short-circuit ability, and strong ability with different nature load and three-phase unbalanced load.
    设计并研制成功的3kVA 27VDC/200V400HzAC 组合式三相高频脉冲直流环节逆变器,具有体积重量小、变换效率高、静态精度高、动态响应快、输入电压变化范围宽、输出波形质量高、过载与短路能力强、带三相不平衡负载的能力强等综合性能。
短句来源
    The designed and developed 1kVA 220V ± 10%50HzAC/110V50HzAC prototype shows that the converters have perfect comprehensive performances such as good output waveforms,high efficiency,high power density,high line power factor,strong adaptability to various loads,strong over-load ability,low audio noise,small bulk and weight etc.
    设计并研制成功的1kVA220V±10%50HzAC/110V50HzAC正激式高频环节交-交变换器工程样机表明,该类变换器具有输出波形质量高、变换效率高、功率密度高、网侧功率因数高、负载适应和过载能力强、音频噪音低、体积重量小等优良的综合性能。
短句来源
    The simulation result shows the inverter can get ideal output waveforms with good dynamic and static property.
    仿真结果表明,逆变电源输出波形具有良好的动静态性能。
短句来源
    The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over-load and short-circuit ability, and strong function with different nature load and three-phase unbalanced load.
    试验结果表明,该变流器具有体积重量小、变换效率高、静态精度高、动态响应快、输入电压变化范围宽、输出波形质量高、过载与短路能力强、带不同性质负载和带三相不平衡负载的能力强等优良的综合性能。
短句来源
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  output waveform
The experimental results of output waveform, transfer function and output signal-to-noise ratio are given and compared with the theoretical ones.
      
Through the novel CDS structure, the output waveform is boxcar, and the frame frequency is increased.
      
A novel repetitive control strategy for the output waveform of single-phase CVCF inverters is presented.
      
The objective of an AC-to-DC converter is to control the output waveform.
      
This paper presents an optimal solution for eliminating pre-specified orders of harmonics from the output waveform of AC/AC converter.
      
更多          
  output wave
When the incident wave frequency varies by more than 20 MHz, the output wave beam is completely switched from one direction to another.
      
The problem of determining the index of refraction as a function of the distance from the axis of symmetry of an inhomogeneous dielectric lens is considered for the input and output wave fronts.
      
It gives an absolute digital readout of the energy delivered into a standard 50 Ω load, the peak defibrillating voltage, and the rise time of the defibrillator output wave.
      
The cavity configuration was designed so that its output wave could pass into a quasi-optical transmission line.
      
It was shown that the present slotted mirror served as a partially and uniformly transparent mirror to radiate the output wave with the same mode as in the cavity.
      
更多          
  output waves
An experimental investigation was carried out on the temperature coefficients for phase angles during excitation of output waves in proton-exchanged planar optical waveguides based on lithium niobate.
      
Integrated OF mixers can separate the output waves from the residual input waves either through a waveguide interferometer or by multiplexing modes.
      
The desired and actual output waves match very well in all the frequencies.
      
  output waveforms
This was demonstrated using an electronic model of the iris muscle which modified the responses of the luminance detectors giving output waveforms broadly resembling pupil responses to square and sinusoidally modulated lights.
      
Roberts and Hartline's result, using a matched filter criterion, represents one of a class of optimal filters with different, but symmetrical, output waveforms derived by O?uzt?reli and Stein (1977).
      
The impulse response and crosscorrelation of the input and output waveforms of a segment of diseased superficial femoral artery provide information about the state of the collateral circulation which may be clinically useful.
      
It was further demonstrated that the oscillation frequency of the output waveforms exhibited both a high temporal stability and a very low sensitivity to input noise.
      
In an envelope-constrained filtering problem with uncertain input the set of possible input waveforms and the set of permissible output waveforms are each defined by envelope constraints (time domain inequalities).
      
更多          
  其他


The test circuit for the rise rate of forward voltage of a KP type transistor thyratron is described and the formula for estimating the parameters in the main circuit is proposed. The influence of the characteristics of the components in the circuit on the output voltage waveform is investigated. Experimental results are in agreement with theoretical analysis.

本文对KP型晶闸管正向电压上升率测试电路进行了较详细的分析.提出了估算主电路各参数的公式,分析了电路中各元件的特性、参数对输出波形的影响.根据上述方法设计的电压上升率测试仪,其调试结果与理论估算基本相符.

In this paper, not only the importance of energy saving is the variablefrequency speed control of ac motor is described, but also the test device developed for this research work is introduced. The control system adopted the advanced technigue of PWM, whereas the inverter makes use of the new type of GTO power switching elements.Some key matters of technigue, such as the use of the speed control with PWM control GTO inverter and the gate drive circuit are solved through the research work.Consequently, several...

In this paper, not only the importance of energy saving is the variablefrequency speed control of ac motor is described, but also the test device developed for this research work is introduced. The control system adopted the advanced technigue of PWM, whereas the inverter makes use of the new type of GTO power switching elements.Some key matters of technigue, such as the use of the speed control with PWM control GTO inverter and the gate drive circuit are solved through the research work.Consequently, several ac drive systems with high efficiency in saving energy good output waveforms small size and lowcost are provided.It will bring about the conditions to extend the application to the production machines with different requirements.

本文说明了交流变频调速对节能事业的重要性,并介绍了为开展此项研究工作而研制的试验装置。控制系统采用先进的PWM技术,变频器采用新型的自关断GTO功率开关元件。通过研究解决了采用GTO的交流PWM变频调速的控制和门极驱动等关键技术问题,提供了几种节能效益高,输出波形好,体积小,成本低的变频调速系统,为今后在不同要求的生产机械上推广应用创造了条件。

A experimental system controlled by a micro-computer for a threeone phase cycloconverter is presented. The output frequency is raised by using a micro-computer. The hardware and software constructions, the operation of this system and several output voltage waveforms are provided in this paper. The further developments of such a system can be extended to the industrial systems of three phase cycloconverter.

本文介绍了一种采用微型计算机控制的三相——单相交交变频器的实验系统。由于采用了微型计算机控制,提高了变频器的输出频率。文中介绍了实验系统的硬件和软件结构,系统的运行情况,并给出了几种频率的输出波形照片。这个系统进一步可研制成实用的三相交交变频系统。

 
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