研究了电源变换器的电荷控制方式。
A power converter control method, charge control, is studied.
分析了现有矿用电机车直流电源变换器的特点及其发展趋势。
It analyzed the characteristics and developmental trend of the present direct current converter of the mine electric locomotive.
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。
This paper proposes an analysis and modeling approach for describing the conducted EMI in switching power converter.
DC/DC电源变换器是能将一种直流电压变换成另外一种或几种直流电压的高效供电装置。
The DC/DC power converter is a high effective source device that can convert the DC voltage from one type to other type or several types.
将该胶应用于电源变换器整流组合作为灌封材料,经过产品技术条件考核,完全达到质量可靠性的要求。
The resin is applied in power transformer and rectifier as pouring material. Test of the properties shows that this resin meet the requirements of the reliability.
在燃料电池发动机和镍氢电池组组成的混合动力系统中,提出了通过一个双向电源变换器实现双电源输出功率混合的控制方法。
For hybrid power system composed of a fuel cell engine and a group of Ni-H batteries, a new control method with a bi-directional power converter is proposed.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
本文以大功率电子组件DC/DC电源变换器为例,提出了基于通用的大型有限元分析软件ANSYS进行热模拟分析方法,并利用实验结果对模拟结果进行了验证。
In the paper, a thermal simulation method has been described using ANSYS software based DC/DC power module. Experiment has been done to verify the result of the thermal simulation.
有源箝位ZVS-PWM开关变换器较硬开关PWM变换器有很大的优点,可以改进高频电源的设计,改善它的性能。
The active clamp ZVS-PWM power converter circuit has many advantages over the conventional PWM converters. The design and performances of high frequency power supplies are improved.
DC变换器是开关电源的核心部分,有着极其丰富的动力学行为。
DC-DC converters are the kernel parts in the switching power supplies. There are abundant dynamical behaviors in them.
此新型材料特别适用于开关电源中的功率变换器,即使不满载时,也可达到最佳效率。
The new material is thus particularly suitable for power converters in switch-mode power supplies, allowing optimized efficiency even at partial load.
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。
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.
同时给出一种实用直流稳定电源的设计,并从稳压电源、稳流电源、DC - DC变换器三部分进行剖析。
It gives a kind of the practical DC regulated power supply, and takes part regulated voltage supply. Regulated current supply and DC-DC converter.
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。
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.
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.
DC开关变换器的建模分析是研究开关电源的基础,对开关电源的分析与设计具有重要意义。
Modeling analysis DC-DC switching converters is the key step to study, analyze and design switching power supplies.
伴随着变换器型电源技术的飞速发展,各种集成化电源专用控制电路也不断推出。
Kinds of integrated special control circuits for power supplies are developed continuously with the rapid development of the technologies of convertor-type power supplies.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
介绍了一种太阳能无变压器式彩电电源,即高效率的DC/AC变换器。
The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.
提出一种单相电源供电时适用于异步电机传动的单相–三相变换器。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
介绍了一种用普通开关电源专用集成电路控制块作为控制电路,以升压式变换器作为功率电路的功率因数校正电路。
Describes a power factor correction (PFC) circuit, in which the power circuit is a boost converter controlled general switch mode controller IC.
本文提出一种新的非线性控制方法,使得PWM开关变换器的输出电压,在负载干扰和电源电压干扰下,具有优良的动态特性。
Under this control strategy, the PWM converter output voltage characteristics is improved if load current vary and line voltage vary.
反激变换器广泛用于离线式供电电源。
Flyback converter is commonly used for off-line power supplies.
在分析电动汽车电源系统和无刷直流电机数学模型的基础上,提出一种基于双向DC/DC变换器的无刷直流电机调速系统。
Based on the power supply system on electric vehicle(EV) and the mathematical mode of brushless DC motor(BLDCM), a speed control system with bi-directional DC/DC converter was proposed.
最后利用该变换器研制出一最大输出为120a的弧焊电源,并给出了试验波形和电源的实测外特性波形。
At last, the arc-welding (which maxi output is 120a) by use of this converter is researched, and the experimental results and exterior character are also included in this paper.
为了设计出在电动汽车上把高压直流电源变换成低压直流电源的高品质DC DC变换器,采用自动控制理论进行指导。
DC DC convertors can convert the EV's high voltage DC power supply into the low voltage DC power supply. In order to design an excellent convertor one must be guided by theory of automatic control.
分析了理想条件下开关电源电感电流连续的一般规律,并给出了常用变换器在三种工作状态下的调节特性。其中导出的公式可用于变换器电路设计和计算机辅助设计。
The general theories of the inductor currents on three states and the regulating features of common convertors under idea conditions are described and design formulae are derived from the analyses.
提供交流电源至可控硅变换器,转换器的负载是感应性负载。
Provide AC power to thyristor converters, converter load is an inductive load.
通过设置死区时间实现开关功率器件的零电压开通与关断,利用该变换器研制出GTO门极驱动用电源。
The turn-on and turn-off of power devices under zero voltage are realized with addition of dead time. The power supply for GTO gate driver is developed by use of the converter.
通过设置死区时间实现开关功率器件的零电压开通与关断,利用该变换器研制出GTO门极驱动用电源。
The turn-on and turn-off of power devices under zero voltage are realized with addition of dead time. The power supply for GTO gate driver is developed by use of the converter.
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