针对开关变换器的主要功能模块电路进行了设计和工作原理分析。
The circuit design and operating principle of its main functional modules are analyzed.
瞬变过程和动态特性分析在开关变换器的研究设计中占有重要地位。
The analysis of transient behavior and dynamic performance plays an important role in the research and design of switch converter.
本文将研究采用互感滤波器来降低全桥移相开关变换器纹波的原理。
This paper will study the principle of depressing the ripple of full-bridge phase-shift converter by coupled inductor filter.
论文研究了混沌调制技术在实用开关变换器中抑制电磁干扰的效果。
The effect of EMI suppression of the chaotic modulation schemes is presented in the switching converters.
探讨了混沌频率调制技术在开关变换器中抑制电磁干扰的实际效果。
The paper presents the effectiveness of EMI suppression of switching converters with a chaotic frequency modulation scheme (CFMS).
本文研究在直流-直流开关变换器电路中对偶原理的具体应用问题。
In this paper the application of the duality principle to the DC-to-DC switching converters are investigated.
DC开关变换器非线性程度很高,输入电流为非正弦形式,功率因数极低。
AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.
本文将电路理论中的对偶变换原理扩展应用于开关变换器电路的对偶分析。
In this paper the duality principles of electrical circuits are extended to the switching converter topologies.
本文着重研究了DC - DC开关变换器的分析和综合理论的一些主要问题。
ABSTRACT the theory of analysis and synthesis of DC-DC switching power converters are studied in this dissertation.
根据开关变换器的最大输出短路释放能量,得出了变换器的输出短路等效电容。
The maximum output short-circuit discharged energy is deduced, and the output equivalent capacitance of switching converters is obtained.
本文提出了一种新的建立开关变换器分析模型的方法,命名为开关函数平均法。
The paper develops a new approach to modeling switching converters, named switching function average approach.
对开关变换器的建模方法进行了综述,通过比较选用状态平均法对系统进行建模。
The achievements of the dissertation are as follows: 1 Summarize the modeling methods of switching converters, and adopting state-averaging method to build the model of the system.
通过分析开关变换器的最危险故障状态,得出了判断其内部本质安全的等效电感电路。
The equivalent inductive circuit of switching converters for checking its inner-intrinsic safety is obtained by analyzing the most dangerous case in various operating mode.
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。
The distortion introduced by switching power amplifier is typically larger than in their liner counterparts due to intrinsic nonlinearity of switching converter.
在电力电子开关变换器数字化共模噪声抑制系统中,一个重要环节就是共模噪声的评估。
In the system of digitalized attenuation common-mode noise of switching mode converters, one of the keys is how to estimate the common-mode noise.
在电力电子开关变换器数字化共模噪声抑制系统中,一个重要环节就是共模噪声的评估。
In a digital common-mode noise attenuation system for switching power converters, one of the key issues is the estimation of common-mode noise.
实验结果证明了提出的技术能有效降低开关变换器的谐波峰值和应用于开关变换器的可行性。
The experimental results have confirmed the advantage of the proposed method and its applicability for switching converters.
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.
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.
本论文从开关变换器实际应用的场合考虑,分析了变换器主要储能元件以及负载的干扰因素成分。
This paper analyses the disturbances components of energy storage device and load in main circuit based on the practical application of switching converter.
根据电感上电流的断续情况,开关变换器可以工作在连续导电模式(CCM)和断续导电模式(DCM)。
The switch convertor can work in continuous current mode(CCM) or discontinuous current mode(DCM) according to the current through the inductance.
边界控制理论适用于所有的非线性开关变换器电路,是一种简单有效的稳定性判定和提高动态响应的控制方法。
The boundary control theories can be applied to all nonlinear switching circuits, and it is a simple and valid control method for judging stability briefly and raising the dynamic response validly.
实验结果表明,设计的开关变换器输出电压精度高,纹波小,效率最高达到88 %,适用于低压大电流的负载设备。
Experimental results show that the output voltage of the designed converter has high precision, small ripple and up to 88% efficiency, suitable for low-voltage high-current load devices.
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.
开关变换器的负载效应对变换器升压比、输出效率、输入相位差、小信号稳定度、输入与输出阻抗之比等有着非常重要的影响。
Switching boost converter's load effect has great effect on input phase, stability of small signal, ratio of input and output impedance, and the ratio of Boost converter's output efficiency.
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.
硬开关和准谐振反激变换器之间的差异在于一次侧开关的开启时间点。
The difference between a hard switching and quasi resonant flyback converter is the turn on time point of the primary switch.
文章研究了一种新型单级单开关PF C反激变换器。
This study presents a new single - stage single - switch PFC flyback DC converter.
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.
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.
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