A new type generator with hybrid rotors was studied, which operated constant voltage over a wide rang of speeds.
研究了一种宽转速范围内稳压的组合转子同步发电机。
In this situation, the chemical potential difference in the two solutions generates a voltage over each membrane.
在此情况下,两种溶液产生的化学电位差才会在每个交换膜上方形成电压。
A tungsten tip received discharge treatment under a high voltage over 10? KV in a field-emission microscope (FEM).
在场发射显微镜(FEM)中使用1万伏以上的电压对钨针尖进行了放电处理。
There is still no integrated high voltage over-voltage protect circuit in SPIC. A novel integrated high voltage detector is proposed by using FFLR.
针对SPIC中没有可集成的高压过压保护,提出了一种利用场限环的分压特性设计的高压电压探测器。
Two Critical concepts involved in direct current ice-melting technique of high voltage over head line, the least ice-melting current and the Max allowed current was presented.
提出了架空输电线路直流融冰的两个重要参数:最小融冰电流和最大允许融冰电流的概念。
The second reason is that it is difficult to make these circuit voltage controllable over a large frequency range.
第二个理由是很难做到将这些电路的电压控制在一个很大的频率范围内。
Electrical Circuitry: Converters stabilize the current's varying frequencies. Transformers boost voltage from 690 volts to more than 22,000, so current travels efficiently over long-distance lines.
电气线路:利用整流装置稳定电流的变化频率,此外通过变压器把690伏特的电压提升到超过2200 0伏特,大大提高了电流长途输送的效率。
Electrical Circuitry: Converters stabilize the current's varying frequencies. Transformers boost voltage from 690 volts to more than 22, 000, so current travels efficiently over long-distance lines.
电气线路:利用整流装置稳定电流的变化频率,此外通过变压器把690伏特的电压提升到超过2200 0伏特,大大提高了电流长途输送的效率。
Measuring the reverse bias current of an APD requires an instrument that can measure current over a wide range as well as output a voltage sweep.
测量APD的反向偏置电流需要一种能够在很宽范围内测量电流并且能输出扫描电压的仪器。
Some people, however, question that standard because over long distances high-voltage DC lines suffer lower losses than AC.
现在有人开始质疑这一标准的适用性,因为在远距离输电的情况下,采用高压直流(HVDC)要比高压交流损耗小。
Inspect, record and operate high voltage equipments status, regular turn over high voltage wire and test high voltage switch.
检查、记录和操作高压设备状况,定期转换高压线路和切换试验操作。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
Precision voltage references are available with varying degrees of precision and initial accuracy over some operating temperature range.
(使用)密电压基准会涉及精度变化和特定范围的整个工作温度范围内的初始精度。
Monitoring the voltage decay over time will give an indication of cell quality.
通过监测电压随时间的下降,将能够说明电池的质量。
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.
通过计算和分析表明:变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。
A method of keeping neutral point potential balanced based on three-level SPWM had been brought forward, which can improve output waveform and decrease the possibility of IGCT's over-voltage.
提出了一种基于三电平spwm调制的中点电压抑制方法,在改善输出波形质量的同时,有效的降低了IGCT过电压的危险。
Therefore, if the foreign plants adopt plastic extrusion molding for over-voltage crosslinked polythene cable, they currently adopt "plastic extrusion sulfuration by layers" method.
因此国外厂家对超高压交联聚乙烯电缆如果采用“挤塑模铸法”,目前均采取“分层次挤塑硫化”工艺方式。
The characteristics of transformer with multi magnetic circuits and its output ability and over voltage depression were introduced.
介绍了多磁路变压器的工作特点、输出能力和过电压的抑制。
Discharge tubes are mainly used for over-voltage protection.
放电管主要用于过压防雷保护。
In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.
文章就中性点小电抗的接入对系统的操作过电压的影响进行了研究。
Two main problems in designing the main circuit of switching mode excitation controller are peek voltage and over current of switching device.
开关式励磁调节器主回路设计中需要考虑的两个主要问题是开关器件的尖峰电压和冲击电流。
However, it may come into being serious problems if the batteries get improper management during the operation, such as over-charging, over-discharging, imbalance of voltage among the cells.
然而,如果在运行中不能很好的管理,电池会产生如过充、过放和电压不平衡等很严重的问题。
The major function of variators of ZnO is to detect and suppress surge voltage and over voltage without destroying themselves.
氧化锌压敏电阻器的主要功能是探测和抑制反复出现的浪涌电压及过电压而自身不会破坏。
The series mixed SPD is a new method of using for the railroad signal system of over voltage protection.
串混型SPD是铁路信号系统过电压防护的新用法。
The device can solve the problem of over current in electromotor start up process, and has the digital displaying of fault such as under voltage, over voltage and over current, etc.
该系统解决了电动机启动中电流过大的问题,并且实现电动机的过压、过流、欠压等各种故障的数字显示。
The sag curve at atmospheric over-voltage calculated by this method can meet the needs of engineering.
通过此方法计算在大气过电压情况下的弧垂曲线,能满足工程需要。
Operating voltage can seriously influence the over-voltage, arising from the transformer under the lightning impulse .
工作电压会严重地影响变压器遭受雷击时产生的过电压。
This generator also has functions as over voltage, over current and protecting water pressure lacking.
设备具有过电压、过电流、欠水压保护功能。 。
This generator also has functions as over voltage, over current and protecting water pressure lacking.
设备具有过电压、过电流、欠水压保护功能。 。
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