空载

异步电动机空载电流过大原因分析及修理对策

Reason Analysis and Repair Countermeasure on over Intense Idling Current of Induction Motors

效率高、空载损耗小、节能省电。

High efficiency , little rated idling consume , low power welding cable consume .

GIS的电气特征与切合空载母线试验

Electric Characteristic of the GIS and Switching Test on No-Load Bus

B组：空载体质粒治疗组；

Group B is empty vector group .

外廓尺寸（mm）长X宽X高（空载）

Overall size ( mm ) WD H ( no load )

Magnet在无刷交流同步发电机空载瞬态电磁场计算中的应用

Application on No-load Transient Electromagnetic Computation of Brushless AC Synchronous Generator with Magnet

形态学观察可见，较对照组空载转染790细胞，CAll稳定转染胃癌7901细胞系形态不规则，核糖体、胞膜纤毛明显减少。

Irregular shapes , less ribosomes or cilia on cell membrane were observed in gastric cell lines 7901 steadily transfected by CAll .

利用ANSYS求解Powerformer发电机的空载特性

Solution of No - Load Characteristics of the Powerformer With ANSYS

已经进行试验研究了涉及推型金属V-带CVT空载和低载的转矩损失。

Experimental work a pushing metal V - belt CVT .

轻载或空载时软开关DC-DC变换器的实现及仿真研究

Soft-switching DC-DC Converter with Light - or Nearly No-load

文章分析了WCDMA试验网的配置，详细描述了单系统测试的射频优化过程，包括频谱监测、小区建立、空载加载覆盖测试等。

The paper describes WCDMA trial network configuration and RF optimization steps in single system test .

由于变压器铁磁材料的作用，磁感应强度B和磁场强度H呈非线性关系，这也是变压器空载合闸时产生较大励磁涌流的主要原因。

Because of ferromagnetic elements , magnetic induction B and magnetic field H is non-linear , which is the main cause that high inrush current occur during the transformer energisation .

在此基础之上测试了空载和加载状况下Bosch公司某型号ABS电磁阀的动作响应。

The response of electromagnetic valve in a Bosch-made ABS was tested with and without load .

SF6断路器投切500kV空载变压器试验分析

Experimental analysis of sf_6 circuit breaker switching 500 kV unloaded transformer

利用Lagrange方程建立了振动截割机构空载时的系统动力学数学模型，并进行了计算机数值求解。

Using Lagrange equation the vibration cutting institutions unloaded mathematical model of the system dynamics , and computer numerical solution .

VEGFRNAi组VEGF蛋白的表达明显降低，显著低于空载体组和未转染的对照组；

Compared with the empty vector group and the control group , the amount of VEGF protein expression was obviously decreased in the VEGF RNAi group .

S9系列电力变压器空载损耗与其容量的关系

Relationship between No-load Loss and Capacity of S9 Series Power Transformer

500kV断路器投切空载线路操作过电压的数据分析

Analysis of overvoltage data of circuit breakers in 500 kV line commissioning

双频DC-DC变换器稳定性分析与控制研究变压器空载合闸及短路过程中绕组稳定性计算

Research on Stability Analysis and Control Technique of Double Frequency DC-DC Converter Calculation on Windings Stability in Condition of Switching No-Load and Short-Circuit for Transformer

结果表明，系统具有较好的动静态性能：空载时，输出电压的THD为0.82%；

The dynamic and steady performances of system prove to be better : the THD of output voltage is 0.82 % without load ;

在一次500kV开关切空载长线操作中，发生了对侧开关均压电容爆炸事故。

A grading capacitance explosion occurs during switching no-load in 500 kV long line .

进行电机测试试验的试验项目包括：电阻试验、转子开路电压试验（绕线电机）、空载试验、堵转试验、负载试验、温升试验、MS曲线试验等项目。

The items that will be experimented in the motor trial include : resistance trial , rotor open voltage trial ( round motor ), unload trial , load trial , temperature promotion trial , and MS curve trial .

本文在阐述理论方法的基础上，借助于有限元软件ANSYS对抽水蓄能电机空载磁场、负载磁场和参数进行计算。

In the foundation of elaborating theories and method , no-load electromagnetic field , on load electromagnetic field and parameters for pumped storage machines are calculated with the aid of ANSYS , a finite element analysis software .

并且为这套系统建立数学模型，以此模型用Matlab语言进行仿真研究。其结果表明，此功率因数自动控制系统在空载、欠载运行时节能效果显著。

Finally we establish a system model with which we simulate and analyze the control system through MATLAB . The simulation results demonstrate that it can save up energy about 30-50 % when there is no load or a little load .

以同步关合空载变压器为例，阐述了利用人工神经网络实现合闸时间预测、进行Matlab仿真及神经网络模型在DSP上的实现方法。

With an example of synchronous closing an unloaded transformer , the way to predict the closing time based on artificial neural network is demonstrated , and the simulation with Matlab and modeling of artificial neural network in DSP are offered .

为了增强开断空载电流的能力，在SF6断路器的旋弧式灭弧室中加入永久磁场。

For increasing the interrupting capability at no load current , permanent magnetic field is drawn into the arc-rotated interrupter of sulfur hexafluoride ( SF 6 ) circuit breaker .

同时本文介绍了减小待机损耗的方法，分析了工作在突发模式下的LLC谐振变换器工作模态与轻空载损耗问题。

Meanwhile , the paper introduces the way to decrease the standby loss and analysis the modes of the LLC resonant converter working under light or no load .

空载SAR具有提供高分辨率成像的能力，这种能力不受气象条件和太阳照射的限制，其成像范围不受国界、地域和地理自然条件的限制，受到广泛重视。

Spaceborne SAR is a kind of high resolution imaging radar and attracts many attentions , which operates in all-weather , day-or-night . The imaging areas of spaceborne SAR s are not restricted in national boundaries , terrains and natural conditions .

结果1.与未感染组、空载体感染组相比，LV-OPNshRNA/U251感染组裸鼠皮下肿瘤生长缓慢，肿瘤体积及重量均明显减小，差异有统计学意义（P0.05）。

Compared with those in non-transfected and empty vector transfected groups , the tumor growth was evidently suppressed and the tumor grew slowly , both the tumor volume and weight decreased obviously in LV-OPNshRNA / U251 transfected group ( P0.05 ) . 2 .

首先由一台运用电力电子技术设计的高频逆变电源输出电压幅值和频率可调的方波，通过高频变压器升压后，其空载输出正弦电压0～20kV；

Fist , we design an inverter power supply with adjustable magnitude and frequency based on power electronics .