谐振直流环节逆变器是一种零电压开关逆变器。
Resonant dc link inverter is a zero voltage switching inverter.
针对有源箝位谐振直流环节逆变器提出了一种新的双幅控制策略。
A novel two-amplitude control strategy for active-clamped resonant DC link inverter is proposed.
为提高逆变器的转换效率，提出一种新型零电压开关谐振直流环节逆变器。
A novel zero-voltage switching resonant DC link inverter was proposed to improve conversion efficiency of the inverter.
详细研究了谐振直流环节单相逆变器的输入谐振电压与逆变器输出调制电压、输出正弦电压的关系；
The paper detailed the relationship of input resonant voltage, modulation voltage and output sinusoidal voltage of single phase resonant DC link inverter(RDCLI).
通过分析三电平结构的开关暂态过程，建立了变频器暂态开关数学模型，并设计了直流环节部分的限流电抗。
Through the analysis on the turn-on and turn-off transience of NPC three-level MVDs, the corresponding mathematical models are developed, based on which the DC-Link choke value is deduced.
由于传统谐振直流环节逆变器只能采用离散脉冲调制方式，输出波形中含有丰富的低次谐波，严重影响输出性能。
The output waves of traditional resonant DC-Link inverter have too much low frequency harmonic waves which affect the output performance, because it can only use DPM control.
具有共振直流环节的电压型逆变器是在传统的PWM硬件开关电路上加一个共振环节，构成高频、无开关损耗电压型逆变器。
Adding a resonance link to the traditional PWM inflexible switching circuit, a voltage-source inverter of high frequency and no switching less was formed.
电压型变频器直流环节并入电容对整流电路的输出进行滤波，理论上电容值越大，电压纹波越小，但是从空间和成本上考虑并不能如此。
The three phase half-wave controlled rectifying circuit is taken as the example in this paper to inllustrate the commutation overlap probelm.
本发明所设计的波形变换方法及其装置，省去了中间直流环节，使线路得以大大简化，显著降低了成本，同时使电压、电流谐波得以减小，并可获得较高的功率因数。
The present invention has no intermediate DC link and thus simplified circuit, low cost, less harmonic component in the voltage anc current waveform and high power factor.
针对DC谐振直流环节逆变器须采用离散脉冲调制的特点，提出了一种新型软化SPWM波形合成方法。文中给出了软化SPWM波形合成基本原理、合成方法及实现电路。
In accordance with the characteristics that resonant DC link inverter should adopt discrete pulse modulation, we propose a novel method of soft SPWM waveform synthesis.
研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。
A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.
采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
对传统直流励磁机的励磁系统而言，其带有滑动接触部分的换向器和炭刷等薄弱环节，需要定时检修与维护。
The exciter system of traditional dc exciter has some weaknesses, whose commutators and carbon brushes often need examining, repairing and maintaining timely.
针对电解技术中直流供电环节进行节能优化研究，以期降低整流机组功率损耗，提高整流效率。
The research on the optimization of energy saving of the dc power supply in the aluminum electrolysis industry is studied.
基于级联技术的新型航空静止变流器的效率主要取决于其直流变换环节。
The efficiency of a novel aircraft static inverter based on cascaded inverter is mainly rested with its DC link.
分析了直流调速系统电流断续对传动控制系统的影响及电流自适应调节器的功能，并举例说明电流自适应环节的调试方法。
This paper analysis the effect of discontinuous current on DC drive system and the function of current-adaptive control, and illustrates its adjusting method.
但电压模型中的纯积分环节存在直流偏置和初始相位问题。
But the pure integrator of the voltage model has some disadvantages like DC bias and initial phase problems.
主电源采用GTO直流斩波器。主控采用带微分反馈环节的开关斩控模式。
GTO dc chopper is adopted for the main power supply while the switch mode control with derivative feedback loop is adopted for the main controller.
接着对直流无刷电机的基本组成环节、基本工作原理、运行特性和传递函数作了详细的介绍，分析了直流无刷电机的换相过程和PWM信号的分配情况。
Followed, it analyses the course of changing phase and distributing of PWM signal. Based on these facts, we present the sensor solution for BLDC motor, design the hardware system and software system.
接着对直流无刷电机的基本组成环节、基本工作原理、运行特性和传递函数作了详细的介绍，分析了直流无刷电机的换相过程和PWM信号的分配情况。
Followed, it analyses the course of changing phase and distributing of PWM signal. Based on these facts, we present the sensor solution for BLDC motor, design the hardware system and software system.
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