简要分析了双向进气型脉冲管制冷机中存在的直流现象及其抑制措施；
The paper briefly analyzed the DC-flows existing in double-inlet pulse tube cryocoolers (PTCs) and the measures for restraining them.
阴极极化：直流电通过电极时，阴极电位偏离平衡电位向负的方向移动的现象。
The cathode polarization: dc through electrode, the cathode potential deviating from the balance to the negative potential moves in the direction of the phenomenon.
7年的使用实践表明，直流脉动电压频率调制技术对抑制声谐振现象十分有效。
The7years 'applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances.
直流电压下X射线对气隙、油隙放电的激发过程存在明显的“滞后”现象，即：正极性电压下X射线照射首先抑制放电的发生；
Under DC voltage the restraint and time lag phenomena of partial discharge (PD) in cavities or oil gap by X ray irradiation were investigated.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。
It is common for the direct current circuit to be interfered by alternating current voltage.
为减小谐波不稳定发生的概率，保证直流系统运行的安全、稳定性，对谐波不稳定现象进行深入研究是十分必要的。
For decreasing the probability of harmonic instability and guaranteeing the safety and stability of HVDC's operation, it is necessary to research the harmonic instability deeply.
本文分析了直流失调电压以及时钟馈通现象产生的原因，并且结合具体的应用条件提出有针对性的解决方案。
The reasons of DC offset and clock feed-through are analyzed, and pertaining solutions are brought out according to given application conditions.
高压直流换流器和换流变压器的饱和特性之间的相互作用可以导致换流变压器铁心饱和不稳定现象的发生。
The interaction of HVDC converter with the saturation characteristic of converter transformer can lead to core saturation instability of converter transformer.
探讨了集散控制系统DCS安装调试过程中出现的交流干扰、直流电位等现象的隔离问题以及信号隔离器在解决这方面问题的应用情况。
Discusses the separation of ac interference and DC potential, etc, during installation and commissioning of DCS systems, and the application of signal spacers to solve this kind of problems.
振动是直流传动系统中的一种常见现象。
Motor vibration is a familiar phenomenon in DC drive system.
对无刷直流风扇的原理，常见的故障现象及维护进行探讨。
The principle? Common faults and its maintenance of non-brush direct current fan are discusses in this paper.
根据故障现象，分析了提升机直流拖动系统产生转速抖动的各种原因，并结合实际提出了具体的解决办法。
Based on the fault condition, various causes for shaking of rotating speed of DC driving system for hoist, and specific solutions were proposed in combination with the practical condition.
发现了手摇交流发电机演示实验中出现脉动直流电的奇异现象并对此作出了合理的解释。
The phenomenon of a pulsating direct current in demonstrative experiment of hand alternator is founded and the reasonable explanation is presented.
针对SPWM全桥逆变器中存在的直流偏磁现象，提出了数字PI电压积分调节方法。
A digital PI voltage integral regulating method, as proposed in the paper is directed at overcoming the flux imbalance phenomena in the SPWM full-bridge inverter.
试验表明，三电极直流钢包炉技术可解决底电极式直流钢包炉存在的不足，使炉子加热速度快和不发生偏弧现象。
The results show that threeelectrode DC ladle furnace, increasing heating speed and without arc bias, can overcome the shortcomings of bottom-electrode DC ladle furnace.
针对钕铁硼直流电动机额定转速实测值与设计值差异的现象进行了详细分析，指出了两类原因使这种差异存在。
In this paper, Analysis on the difference between designed speed and actual speed of NdFeB DC Motor is described in detail.
本文将直流偏磁现象与电磁场计算有机地结合在一起，对变压器在不同直流偏磁下的运行性能做了仿真和分析。
The phenomenon of DC magnetic bias analysis and electromagnetic field calculating are combined in this paper and the running performance is simulated with different magnetic bias DC.
阴极极化：直流电通过电极时，阴极电位偏离平衡电位向负的方向移动的现象。
The polarization: when the current through the electrode, electrode potential happen from the phenomenon of balance potential.
讨论直流电源纹波电压的形成，分析纹波电压过大对电视机性能的影响，以及将在电视机中产生的主要故障现象加以解释。
It is discussed how DC of ripple voltage form, and that oversize ripple voltage influences TV of performance and it will bring mostly malfunction.
并基于直流输电开发研究平台，对三相接地故障激发的铁心饱和不稳定现象进行了仿真研究，验证了该方法的正确性。
Then base on the former research platform, an simulation of the core saturation instability caused by three-phase grounding fault is processed, thus the new judgment method is validated.
基于以电容器为直流侧储能元件STATCOM在系统不对称情况下的数学模型，详细分析和解释了STATCOM在系统不对称条件下的运行特点、谐振现象以及参数对STATCOM的性能影响。
The model can be used to research the STATCOM behavior to provide theoretical guidance for optimal parameter design and to enhance STATCOM viability for asymmetric power systems.
HVDC系统以大地回路方式单极运行时，其大地回路直流会给交流变压器带来一些问题，例如，变压器噪音明显增大，过热现象，甚至引起变压器损坏。
When a HVDC system operates in ground-return mode, some problems such as noise rising significantly, overheating etc. occur in AC transformers, or even some transformers would be damaged.
HVDC系统以大地回路方式单极运行时，其大地回路直流会给交流变压器带来一些问题，例如，变压器噪音明显增大，过热现象，甚至引起变压器损坏。
When a HVDC system operates in ground-return mode, some problems such as noise rising significantly, overheating etc. occur in AC transformers, or even some transformers would be damaged.
应用推荐