等效串联电阻

随着片式多层陶瓷电容器（MLCC）工作频率的提高，要求其在高频状态下必须保持较低的等效串联电阻（Res）。

As MLCC work frequency is improved , it is requested to keep low ESR at the high frequency condition .

文中给出了6种DC/DC电路的混杂系统模型，并以Buck电路的滤波电感、滤波电容及其等效串联电阻的参数辨识为例，通过实验验证了这一方法的有效性。

In this paper , the hybrid models of six kinds of DC / DC circuits are presented . The validity of this method is validated by experiments in which the inductance , capacitance and the ESR of capacitance of Buck circuits are identified .

陶瓷电容因其体积小、等效串联电阻小和具有较大的RMS电流而常被人们采用。

Ceramic capacitors are often chosen because of their small size , low equivalent series resistance ( ESR ) and high RMS current capability .

实验表明对于100V/100μF的液体钽电容器的电解质中加入2＃去极化剂可以在50kHz频率下获得较低的等效串联电阻（ESR）和较高的电容量C。

Our experiments show that 2 # depolarizing agent used in working electrolyte of 100 V / 100 uF wet tantalum capacitors can result in lower ESR and higher C respectively at 50 kHz frequency .

对电极进行的交流阻抗测试表明，电极等效串联电阻仅为200mΩ，而且经过500次循环后等效串联电阻仅增加50mΩ。

For the exchange of electrode impedance testing shows that poles equivalent series resistance is only 200m Ω, and after 500 times cycle only increase resistance 50 m Ω .

AVX钽电解电容器，体积小、极性电容器，电性能稳定可靠、低ESE（等效串联电阻）值。

AVX tantalum electrolytic capacitors , small size , polarity capacitor , electrical properties of stable and reliable , low-ESE ( equivalent series resistance ) value .

对获取等效串联电阻（ESR）的几种方法进行了分析和比较，探讨了在实际电力电子系统在线故障预诊断中应用的可行性，并在理论上推算了ESR随时间的变化趋势。

In addition , some methods to calculate equivalent series resistance ( ESR ) are analyzed and compared . The feasibility of these methods applied to practical power electronic system is discussed and the trend of ESR with a function of time is also deduced .

其中包括串联电感，等效串联电阻、高频损耗（频率在300MHz以内），以及串并联等效电阻的分离测试分析，并对部分测试精度进行了定量分析。

It includes the separate detective analyses of the equivalent serial and paralled resistances , the serial inductance and high frequency dissipation ( within 300 MHz ) . This paper analyses the measuring accuracy quantitatively also .

零等效串联电阻的电容坏处多于好处。

ZERO-ESR caps may do more harm than good .

此外，热处理有利于提高材料的导电性，降低等效串联电阻。

Furthermore , heat treatment could be a useful way to increase the electrical conductivity and decrease the capacitor impedance .

硅太阳能电池等效串联电阻会影响其正向伏安特性和短路电流，而对开路电压没有影响，另外串联电阻的增大会使太阳能电池的填充因子和光电转换效率降低。

The equivalent series resistance of silicon solar cell can influence its straight volt-ampere property and short-circuit current , but have no influence on open-circuit voltage .

研究表明，等效串联电阻随着有效介质层厚度的降低而降低，直流电阻随着有效介质层数的增加而降低。

It is found that ESR decreases with decrease of the active dielectric layer thickness , and DC resistance decreases with the increases of active dielectric layer number .

与传统的电容器相比，超级电容器具有较高的功率密度、较长的循环寿命、低的等效串联电阻和对环境无污染等一系列的优点。

Compared with traditional capacitor , it can provide high energy density , long cycle life , low equivalent series resistance and good environmental compatibility , and so on .

近年来，超级电容器具有功率密度高、等效串联电阻小、循环寿命长和对环境无污染等优异的性能，有望作为一种新型的电化学能量储存装置而被广泛的研究。

In recent years , supercapacitors , as charge-storage devices providing with high-power density , resistance low equivalent series , long cyclic-life and good environmental compatibility , have attracted tremendous attention .

电极最大比容量为416F/g，200次循环后为240F/g，等效串联电阻由17Ω逐渐增到41Ω。

The maximum capacitance of MnO_2 electrode was as high as 416F / g , retained 240F / g after 200 cycles ; the equivalent series resistance ( ESR ) increased from 17 Ω to 41 Ω .

最优选取法从最大化输出功率和最小化补偿电容消耗功率的角度出发，考虑了最大电压和补偿电容等效串联电阻的限制，应用拉格朗日算子得到了最佳的补偿电容值。

The latter presents a method for finding an optimal value of the capacitor through Lagrange multiplier , with the considerations on voltage tolerance and ESR of the capacitor , maximum output power , and minimum power loss .

本文用HEMT小信号等效电路模型，考虑到HEMT与MESFET结构上的不同点，具体分析了HEMT小信号等效电路中串联电阻、寄生电感、寄生电容和本征元件参数的提取方法。

A HEMT small-signal equivalent-circuit model is introduced in this paper . Considering the difference between HEMT and MESFET , a method of extracting series-resistance , parasitic inductance , parasitic capacitance and intrinsic element parameters for HEMT small-signal equivalent-circuit is described .