现代电压变换器的发展趋势是多功能、集成化、小型化。
The trend of modern voltage converter is multi-function, integration, and miniaturization.
提出了一种研究DC - DC电压变换器受控制信号控制的新方法。
A new method for investigating DC-DC converters under the control signal was suggested.
介绍了大直流计量装置中的电压变换器检测原理,测量中存在的问题以及改进措施。
This paper introduces the measure principle of voltage convertor in big direct current survey setting, the question existed in survey and how to improve it.
本实用新型公开了一种电能质量调节器,它包括原边电压变换器、高 频变压器和副边电压变换器。
The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.
该电机驱动电路还包括耦合到输入装置、第一能量存储装置、双向DC-DC电压变换器的耦合系统。
The motor drive circuit further includes a coupling system coupled to the input device, to the first energy storage device, and to the bi-directional DC-to-DC voltage converter.
实验结果表明,用这种方法所研制的电动汽车DC DC变换器输出电压精度高,抗干扰能力强,调节特性快速、平稳。
Experiments show that the designed DC DC convertor's output voltage precision is high, the antijamming ability is strong and the adjustable performance is fast and smooth.
借鉴电流控制电压型变换器的研究成果,将电流控制的概念引入矩阵变换器。
Referred to the achievement of current controlled voltage source converter, the idea of current control is introduced into MC.
通过对这种变换器的工作原理分析可知,主辅开关管都可以实现零电压或零电流开关,且电压、电流应力较小。
Through the operational principle it can be verified that all the switches are capable of achieving ZVS or ZCS condition, and the voltage and current stress are relatively low.
和600伏特设计比较,800伏特准谐振反激变换器的电压频谱在1兆赫兹以下更高一点,在1兆赫兹以上开始变小。
As it can be seen the voltage spectrum of the 800v quasi resonant flyback is higher at frequencies below 1 MHz, and is getting lower above 1 MHz compared to both 600v designs.
变换器1被控制为一个基波正弦电流源,变换器2被控制为一个可控电压源。
The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.
电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。
The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.
在双电压合成矩阵变换器中,需要将每个周期内的输入、输出电压划分成若干扇区。
The input and output voltages in matrix converter based on two voltage synthesis are supposed to be divided into some sectors in each period.
介绍的新型CUK型变换器,旨在实现一种高效、低成本、输出电压纹波极低的负偏压设计方案。
The newly CUK controller realizes a kind of high efficiency, low cost and very low output voltage ripple negative bias voltage design.
变速恒频电源数字控制技术以dsp作为控制核心,主要实现对变换器的控制和发电系统电压调节,同时也实现了系统保护功能。
Digital control of VSCF power system, which USES DSP as its control core, realizes the control of inverter and voltage regulator, as well as the system protection.
由于寄生参数的影响,DC - DC升压变换器的输出电压和功率传递效率受到限制。
Because of the effect of parasitic elements the output voltage and power transfer efficiency of DC-DC converters are limited.
基于输出电压表达式,还提出谐振开关电容变换器的频率控制方案。
A frequency control method for RSC converters was achieved based on the output voltage expression.
其特征是不要外接偏置电压源,而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。
Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.
介绍一种带缓冲电路的新型零电压过渡pwm (ZVT- PWM)软开关boost变换器。
It introduces a new zero voltage transition PWM (ZVT - PWM) soft switching BOOST converter with a snub circuit.
这种变换器综合了正激和反激变换器的特点,并且只用一个变压器实现了单路电压输出。
This circuit has the character of the flyback converter as well as the forward converter, single voltage output can be achieved by one transformer.
SPWM变换器中的死区设置使变换器输出电压谐波含量增加、电压利用率和可靠性降低。
The dead time control in SPWM converter increases the harmonic component in voltage output and decreases the voltage utilization and reliability of converters.
如果只用较小的电容滤波,变换器输出电压的纹波较大。
该变换器中的开关管实现了在零电压下关断,而且其中两个开关管在零电流零电压下开通。
All switches are turned off with zero voltage switching, and the two switches of them are turned on with zero current and zero voltage switching.
本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器,其中开关管的电压应力为输入电压。
This paper presents a novel zero voltage and zero current switching (ZCS) PWM push pull three level converter in which the voltage stress of switches is input voltage.
本文给出的电压、电流闭环反馈型变换器,既具有较低的电磁干扰水平,又能够保持输出电压稳定。
The converter with both voltage and current feedback in this thesis not only has a lower EMI lever, but can keep the output voltage steady.
提出了一种新型的零电压开关全桥三电平直流变换器。
This paper presents a novel zero voltage switching full bridge three level converter.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
分析了带微分环节的电压滞环的变环宽的原理,指出带微分滞环控制的脉宽调制(PWM)变换器可作为理想的可控电压源。
The paper analyzed the voltage hysteresis with differentiation elements, and pointed out that the PWM converter with differentiation hysteresis controls can be used as the ideal voltage source.
该变换器完成从正电压至正和负电压的DC- DC升压变换,功率密度和效率高,拓扑结构简单价廉。
These converters perform from positive to positive and negative DC DC voltage increasing conversion with high power density, high efficiency and cheap topology in simple structure.
受寄生元件的影响,DC - DC升压变换器的输出电压和功率传递效率受到限制,电压举升技术为改善电路特性提供了好方法。
Since the effect of parasitic elements limits the output voltage and power transfer efficiency of DC-DC converters, voltage lift technique opens a good way to improve circuit characteristics.
受寄生元件的影响,DC - DC升压变换器的输出电压和功率传递效率受到限制,电压举升技术为改善电路特性提供了好方法。
Since the effect of parasitic elements limits the output voltage and power transfer efficiency of DC-DC converters, voltage lift technique opens a good way to improve circuit characteristics.
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