This paper is mainly focus on the research of small size and greenness of switching power converter.
本课题针对开关功率变换器的小型化和绿色化进行研究。
This paper proposes an analysis and modeling approach for describing the conducted EMI in switching power converter.
该文针对应用广泛的开关电源变换器提出一种传导干扰分析和建模预测方法。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
软开关技术能够有效改善功率开关管的工作环境,降低开关损耗,提高变换器的效率。
Adverse effects of switching losses which operating at high frequency are analyzed at the beginning of a three-level matrix power converter configuration.
从三电平矩阵式电力变换器的拓扑结构入手,分析在高频下工作时开关损耗带来的负面效应。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Switching converter may translate one kind of DC electric power into another or more one, and is the main part of DC switching power supply.
开关变换器能够将一种直流电能转换成另一种或多种直流电能,是直流开关电源的主要组成部分。
When we use low-dropout switching power switching converter to reduce positive input voltage, we usually need an extra low - power negative output voltage.
在采用降压开关功率开关转换器降低正输入电压的同时,通常还需要一个额外的低功率负输出电压。
In a second sub-mode ('low output power sub-mode'), VOUT is regulated using pulse width modulation, but the converter switching frequency is fixed at a first frequency.
在第二子模式(“低输出功率子模式”)中,使用脉冲宽度调制来调节VOUT,但转换器开关频率固定在第一频率。
The distortion introduced by switching power amplifier is typically larger than in their liner counterparts due to intrinsic nonlinearity of switching converter.
开关功率放大器由于开关变换器本身固有的非线性,失真通常大于传统的线性放大器。
A flyback converter with zero current switching (ZCS) resonant and power factor correct (PFC) is proposed.
提出一种具有零电流关断(ZCS)的反激式单级功率因数校正(PFC)变换器。
Receiving the third signal and based on a reference voltage, the switching circuit controls the pulse wave width of the switching signal so as to adjust output current of the power converter.
切换电路接收第三讯号并依据一参考电压,以控制切换讯号的脉波宽度,所以可调整功率转换器的输出电流。
The paper presents a kind of zero-voltage soft-switching unity power factor converter.
提出了一种零电压软开关高功率因数变换器电路。
It has been shown that the designed DC switching mode converter has a stable output voltage frequency, small ripple, high operating frequency and low power consumption.
结果表明,所设计的直流开关型变换器集成模块输出电压稳定、纹波小、工作频率,高、功耗低,且体积小。
The output power of the switched capacitor DC DC converter is restricted by the capacitance of the series parallel(SP)capacitors and the switching frequency.
开关电容DCDC变换器的输出功率受电容网络中电容取值及开关频率的限制,电容器的集成是开关电容DCDC变换器集成的关键。
Each of the converter circuit branches may contain a power switching transistor, a diode or a winding of an isolated transformer in addition to general circuit components.
这种电路的每一支路中的元件,除一般电路元件外,还可能包括功率开关晶体管、二极管或隔离变压器的一个绕组。
In some embodiments, the converter has a third sub-mode (' high output power sub-mode '), in which pulse width modulation is used but the switching frequency is fixed at a second frequency.
在某些实施例中,转换器具有第三子模式(“高输出功率子模式”),其中使用脉冲宽度调制,但开关频率固定在第二频率。
On the base of the theory, we study a kind of high efficiency, low dissipation switching power supply converter.
在此基础上主要研究了一种高效率低功耗降压开关型电源转换芯片。
The carrier phase shift technique based parallel back-to-back PWM converter is used on the direct-drive wind power system, with a switching frequency as low as 1 kHz.
直驱型风力发电系统需要全功率变流器,在现有器件功率水平以及开关频率等诸多因素制约下,变流器直接并联的方式具备结构简单、模块化设计、易扩展的优点。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部(3),其根据该脉冲宽度调制波对开关元件进行驱动,将直流电压转换为三相交流电压;
A new high frequency DCDC full-bridge power converter is presented, that the soft-switching, phase-shifted PWM and bi-directional DCDC converter hang together.
研究一种把软开关技术和移相pwm控制技术以及双向DC DC变换器技术有机结合在一起的新型高频DC DC开关功率全桥变换器。
IGBT has a high rated voltage, current and switching speed, easy to drive, is one of the best choice of high-power converter applications.
IGBT具有额定电压高、电流大,开关速度快,易于驱动等优点,是中-高功率变流器应用的最佳选择。
IGCT converter in the power, reliability, switching speed, efficiency, cost, size, weight and have made tremendous progress, to power electronic devices has set a new leap forward.
IGCT使变流装置在功率、可靠性、开关速度、效率、成本、重量和体积等方面都取得了巨大进展,给电力电子成套装置带来了新的飞跃。
The switching power supply usually uses the diodes rectifier as the front converter.
大功率开关电源一般采用三相二极管整流桥作为前级整流电路。
The switching power supply usually uses the diodes rectifier as the front converter.
大功率开关电源一般采用三相二极管整流桥作为前级整流电路。
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