功率损耗

碳化硅MPS的功率损耗特性分析

Analysis of Power Dissipation Characteristics of MPS Based on SiC

建立了4H-SiCMPS的功率损耗的解析模型并对其功率损耗特性进行了计算。

A power dissipation model of 4H-SiC MPS was established .

中国国家电网公司（StateGridCorp.ofChina）说，在全国范围内建设一个超高压输电线路网络能够在长距离输电时降低功率损耗。

State Grid Corp. of China says building a nationwide network of ultrahigh-voltage transmission lines will reduce power losses when transporting electricity over long distances .

PWM逆变器-交流电机过电压抑制滤波器的功率损耗分析与参数选择

Loss Analysis and Parameter Selection of Filter for Suppressing Over Voltage in PWM Inverter-Motor System

介绍了一种为减小功率损耗而设计的H型双极模式PWM控制功率转换电路。

A power converting circuit of H-bridge bipolar PWM control is designed in order to decrease the power wastage .

重点讨论了HID灯电子镇流器的功率损耗问题。

The power loss of the electronic ballast is mainly discussed .

为了减少系统的功率损耗和易于实现，本文设计了一种半桥式PWM型开关功率放大电路。

A half-bridge switching power amplifier has been designed in order to reduce the current ripple for better control .

特别是在SoC器件设计中，A/D转换的功率损耗已经成为芯片设计的瓶颈。

For SoC device design , the power consumption of A / D converters has become the threshold .

MOS逻辑门电路的功率损耗与其门电路的输出翻转成正比。

Heat dissipation in MOS gate is in direct Proportion to its output switching activity .

直流侧电压的大小影响了APF的功率损耗大小。

So the value of DC link voltage effects on power losses and compensative ability of APF .

在轻载或空载时由于存在大的功率损耗，双极性PWM控制只能被应用于中、小功率伺服控制系统。

As the existing great power consumption of empty-load or light-load , the bipolar PWM control can be applied only in small or middle power servo control systems .

由于栅介质氧化层的直接隧穿而引起的静态功率损耗随之成指数形式增长，传统的SiO2栅介质正日益趋于它的极限。

As a consequence , static leakage power due to direct tunneling through the gate oxide has been increasing at an exponential rate .

通过计算三电平变流器的器件功率损耗和温升，提出几种节省成本的IGBT选择方案。

Through the calculation of device power loss and temperature rise in the three-level converter , several IGBT options that save cost are put forward .

结合无刷直流电机控制器的设计，提出了基于PSPICE仿真的绝缘栅双极型晶体管IGBT（InsulatedGateBipolarTransistor）功率损耗的估算方法。

Combined with the design of brushless DC electric motor controller , a method to estimate power loss of IGBT ( Insulated Gate Bipolar Transistor ) based on PSPICE simulation is proposed .

基于PSPICE仿真，结合无刷直流电机提出了IGBT功率损耗的估算方法，研究了IGBT功率损耗与开关频率和栅极电阻阻值之间的关系。

In this paper . a method of estimating power loss of IGBT based on PSPICE simulation is proposed , and the relations between power loss of IGBT and switch frequency , gate resistance are presented .

然后建立非线性信道模型，仿真了MSK和QPSK调制卫星导航信号的带外功率损耗、相关损耗和码跟踪误差以及与同频段信号的谱分离系数。

Secondly , nonlinear channel model was established , and the power loss , correlation loss , code tracking and spectrum separation coefficients of MSK and QPSK modulated navigation signals were simulated .

针对开关器件、电感在Boost电路中的损耗，分析了硬开关、ZVT和改进的ZVTBoostPFC变换器的功率损耗。

The power dissipations of switching components and inductor used in Boost PFC circuit are analyzed and computed , furthermore this paper analyzes the dissipations of hard switching , ZVT and improved ZVT Boost PFC converters .

提出利用快速PQ分解潮流计算方法来进行线路功率损耗、变压器功率损耗和全网功率损耗计算。

The utilization of rapid PQ-resolved power flow calculating method was adapted to compute the power losses in the lines , the power losses at transformers , and power losses of all networks .

该模型可以考虑STATCOM功率损耗从而可以更准确的计算其有功及无功输出。

This model can take into account the realistic steady-state losses of STATCOM if desired , and hence more accurately predict the active and reactive power output of it .

分别用动态粘弹谱和旋转功率损耗仪测定胶料的损耗因子（tanδ）和滚动功率损失，研究两者在表征胶料滚动阻力方面的相关性。

The correlation between the loss factor ( tan δ) and rolling power loss of rubber compound , which were measured by dynamic viscoelastic spectroscopy and rotational power loss tester respectively , was investigated in characterizing the rolling resistance of rubber compound .

本文分析了自冷式SF6气体绝缘变压器线圈温升的计算方法，并对变压器功率损耗与散热情况对线圈温升的影响进行了讨论。

The calculation method of the coil temperature rise in SF6 gas insulated transformer under nature gas circulation is introduced . The effects of power loss and heat dissipation on the coil temperature rise are also discussed in this paper .

对添加纳米级SiO2和普通级CaCO3组合对Mn-Zn铁氧体功率损耗的影响进行研究，采用扫描电子显微镜对Mn-Zn铁氧体材料的显微结构、晶界以及元素分布进行观察分析。

The effect of doped nano-SiO_2 and CaCO_3 on the power loss of Mn-Zn ferrites was investigated , and scanning electron microscopy was used to analyze the microstructure , grain boundary and elements distribution of Mn-Zn ferrites .

提出一个可控串联补偿电容器（TCSC）静态模型，将TCSC基频等值电抗表达为其控制角的显函数并考虑了其自身的功率损耗。

This paper presents a static model of thyristor controlled series capacitors ( TCSC ) . Base frequency equivalent reactance of TCSC is expressed as an explicit function of its control angle and power losses of TCSC are also considered .

理论分析和PSpice仿真验证了反向耦合方式在磁芯体积和功率损耗减小方面具有优势，在变换器效率上反向耦合方式也明显高于正向耦合方式。

Theory analysis and PSpice simulation validate that there is an advantage of reductions in the size and power losses of magnetic core for negative direction coupling mode . Efficiency comparison is given which shows a great improvement by using negative direction coupling mode .

CPRS电路的功率损耗仅为通常有损缓冲器的功率损耗的23%，即可达到接近有源软开关的效果。

Although the power loss of CPRS circuit is only 23 % as that of a conventional composite snubber , it can almost have the effect of active soft switching .

经分析和仿真验证，利用神经网络非线性逆控制方法，PEMFC系统在稳定运行过程中能够满足系统内部功率损耗的同时良好的响应系统负载的实时功率需求。

Analysis and probation by simulation show that , during steady operation , nonlinear inverse control , based on neural networks , can make PEMFC systems readily respond to the system 's real time load requirements while simultaneously making up for the system 's internal power consumption .

本文介绍了根据反馈调整原理研制的一种大电流恒流器件，它采用模块结构，输出电流可达10A，测试结果表明：它具有优良的电性能，同时具有体积小、功率损耗低等优点。

In this paper , a new kind of high-current regulator has been proposed . They are made on the basis of principle of feedback adjustment . The structure of module is employed and about 10A output current can be obtained .

本文介绍泰克公司TDS7000数字荧光示波器应用在开关电源功率损耗测量中进行的测量和分析任务。

This paper is to introduce the application of Tektronix TDS7000 Digital Fluorescent Oscillometer in measuring and analyzing the power loss of switching supply .

根据同相模和异相模在Talbot腔中的分布特性，采用1/2Talbot腔并将外腔镜倾斜一个角度α的方法既能选择同相模，又能使模式的功率损耗最小。

According to the distributions of the in-phase mode and out-of-phase mode in fraction Talbot cavity , a tilted external cavity mirror of 1 / 2 Talbot cavity was adopted , which made the in-phase mode be selected and the loss of the mode be lowered .

并从LCL滤波器滤波效果、系统稳定性和功率损耗三个方面重点分析了阻尼电阻对系统的影响，在此基础上提出了阻尼电阻的选取原则。

It is also checked by simulation . This thesis also analyzes the influence of damping resistance to the system stability in the three ways of filtering effect , system stability and power loss . On this basis , this thesis introduces the choose principle .