基于正交分解的介质损耗因数数字测量算法。
A novel algorithm of dielectric loss measurement based on orthogonal decomposition.
电容量和损耗因数随温度和频率的变化小，稳定性好。
High stability of capacitance and DF versus temperature and frequency.
而且油流带电电荷密度与介质损耗因数和电导率有一定的相关性。
And the charge density of oil streaming electrification is related to the dielectric loss factor and conductivity.
本文研制了一套在调频串联谐振电压下进行介质损耗因数测量的系统。
The author has developed a dissipation factor measuring system using the variable frequency series resonant voltage.
本发明提供即使是像氮化铝那样介质损耗因数极小的陶瓷也高效且牢固地接合的方法。
Provided is a method of efficiently and strongly joining ceramics even when they are ceramics of extremely low dielectric loss factor, such as aluminum nitride.
电容型设备介质损耗因数的在线监测会受到环境因素的影响，对其进行合理修正非常必要。
Precision of on-line dielectric loss factor monitoring can be affected by environmental factors, so it is necessary to modify it.
谐波分析法是绝缘介质损耗因数在线测的方法，相应讨论影响介损在线监测精度的主要因素。
Harmonic wave analysis method is the insulator medium consume factor on line method and discussed hte effect on the main factor of the medium consume on line supervision precision.
本文介绍利用变间隙保护环电容器的损耗特性进行损耗因数的绝对测量(真值测量)和传递。
This article introduces the true value measurement of dissipation factor by making use of an air capacitor with gap-variable guard-ring.
并指出：QS1西林电桥不适于测试膜纸复合绝缘电容器的介质损耗因数，推荐采用变频电桥；
It is also indicated that the QS1 Schering bridge is not applicable for the said test and the use of converter bridges suggested;
第一部分讨论各种谐波问题，如使供电电压畸变，降低功率因数，增加能量损耗，干扰通讯系统等。
The harmonic problems, such as distorting supply voltage, decreasing power factor, increasing energy loss, interfering with communication systems etc. are discussed in the part one.
在交流电网中，常常采用移相电容器补偿无功功率损耗的方法来提高网络的功率因数。
In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.
目前排水泵站系统普遍存在功率因数低、无功损耗大的情况。
Now there is lower powe factor and larger reactive power loss in the drain system.
本文给出了一种可用于功率因数校正的新型低通态损耗电路。
A novel low conduction loss circuit that can be used for power factor correction is presented in this paper.
实行电动机无功就地补偿，对改变电动机低功率因数运行、减少线路损耗、提高变压器带载能力，有明显效果。
It has evident effect on low power factor working of motor, decreasing line loss and improving load ability of transformer.
由于感性负荷的比例大，造成供电电网的功率因数低，损耗大。
Because of inductance loading is larger, the power factors of electrified wire netting are lower and the loss is higher.
提高牵引变电所(简称牵引变)功率因数以改善系统电压质量、减少系统损耗是改善电气化铁路电能质量的有效措施。
Increasing power factor of traction substation is the effective measure to improve power quality of electrified railway for better voltage quality and less loss.
同时整流变压器的附加谐波损耗得到了有效降低，功率因数得到提高，改善了系统的电能质量。
Consequently, the additional harmonic loss of rectifier transformer is reduced, the power factor is enhanced and the power quality is improved.
该表达式与器件静特性、功率因数、调制度及负载电流有关，利用其计算不同载波调制下通态损耗时只需改动导通占空比。
The results clearly show conduction losses are the function of semiconductor static characteristic, power factor, modulation depth and load current.
实验结果表明该节能控制系统利用就地电容补偿原理，降低了抽油机的总损耗，提高了工作效率和功率因数，具有较好的节能效果。
Experiments result shows that this control system increase work efficiency and power factor by applying nearby capacitance compensation theory. The control system processes fine saving energy effect.
无功补偿可以提高功率因数，变压器的经济运行可以最大限度地降低变压器的电能损耗，需量控制能够降低企业最大峰值负荷，降低生产成本。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
推导了相关文献中定义的碰撞恢复因数与动能损耗系数间的对应关系。
The correlation between the factor of restitution in impact and the factor of kinetic energy loss defined in corresponding references is deduced.
电石炉运行时，很低的功率因数使得损耗增加效率降低，产生的谐波使电网电能质量降低。
Low power coefficient may result in loss increased, efficiency decreased and the harmonic makes the power quality down-grade when a submerged arc furnace was operating.
相对于这些传统的传输线，SIW等基片集成波导具有低损耗、品质因数高、尺寸小等众多优点。
Compared with these traditional transmission lines, SIW have these favorable characteristics of low loss, high Q value, and small size.
近年来，以软开关为特征的逆变电阻焊电源更是以其体积小、重量轻、开关损耗少、功率因数高而备受重视。
In the past years, Inverter resistance welding power source with soft-switching technology has smaller volume, lower quality, higher efficiency.
该产品可以与煤矿井下移动变电站或者干式变压器并联使用，提高井下电网功率因数至0.95以上，减少电能损耗，提高井下设备安全性，促进采掘工作的生产。
This product can multiple with coal mine transformer use, improving the pf to above 0.95 while reducing power loss, improve safety, promoting mining equipment working production.
它综合了矩形波导和微带线的一系列优点：和传统的矩形波导一样集成波导具有较高的品质因数和很小的辐射损耗；
The substrate integrated waveguide borrow advantages of both of the rectangular waveguide and the microstrip, such as: high Q, low loss just like rectangular waveguide;
游梁式抽油机的负载特性以及井组平台的运行特性导致了油田配电网功率因数普遍偏低，增加了配电网的电压损失与有功损耗。
The power factor of distribution system is very low because of the beam pumping unit's load characteristics and oil well group platform's operating characteristics, increases voltage and power losses.
大功率压电陶瓷要求材料不但在强场下有小的介质损耗，大的机械品质因数，同时兼备一定的压电常数和机电耦合系数。
High-power piezoelectric ceramics are desirable to combine a high mechanical quality factor(Qm) with a high piezoelectric constant(d 33) and a high planar coupling factor(Kp).
大功率压电陶瓷要求材料不但在强场下有小的介质损耗，大的机械品质因数，同时兼备一定的压电常数和机电耦合系数。
High-power piezoelectric ceramics are desirable to combine a high mechanical quality factor(Qm) with a high piezoelectric constant(d 33) and a high planar coupling factor(Kp).
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