The new principle calculates current and voltage setting values, which are greater than normal values, to increase protection scope under the condition of assured protection reliability.
此整定原则以正常偏大方式整定电流、电压定值,其目的是在保证保护可靠性的前提下,增大瞬时速断保护的保护范围。
The voltage vector diagram is a very useful method that can make a qualitative analysis of the steady values of power system in normal and fault conditions.
定性地分析电力系统正常运行状态和故障后的稳态量时,电压相量图法是十分有用的工具。
For any normal input, the circuit's output voltage, VOUT, equals its input voltage, VIN.
对于任何正常输入,电路的输出电压VOUT等于其输入电压VIN。
Sometimes low voltage restraint outbreaking with high wave, slow waves and spikes appeared in 17 cases while wide low voltage restraint occurred in 10 cases, but false normal EEG appeared in 1 case.
发作期脑电图17例表现为高波幅慢波夹杂棘波爆发-低电压抑制,10例表现为全脑各导呈广泛性低电压抑制,1例表现为假性正常脑电图改变。
During normal operation the memory elements may be powered with a power supply voltage that is larger than the programmable core logic power supply voltage.
在正常操作过程中,可以按比可编程核心逻辑电源电压高的电源电压对存储器单元供电。
At present dynamic voltage restorer (DVR) is an effective device to deal with the voltage sag. Exact detection of voltage sag characteristics is the precondition of DVR's normal working.
动态电压恢复器(DVR)是目前解决供电电压凹陷问题的有效装置,对电压凹陷特征量的准确检测是DVR正常运行的前提。
Four, arc voltage: generally believe that the power supply is normal output voltage for cutting voltage.
电弧电压:一般认为电源正常输出电压即为切割电压。
Undervoltage Sensing for Each Phase of Normal Source: pickup voltage is adjustable form 85 to 100 percent of nominal, and dropout voltage is adjustable from 75 to 98 percent of pickup value.
正常源每一相位的欠压传感:起始电压可在额定值85 - 100%的范围内调节;回动电压可在始动值75 - 98%的范围内调节。
Y series three phase induction motor (380v IP23) is low voltage motor for normal use. The basic protection class are IP23, insulation class is b.
系列三相异步电动机(380VIP23)是一般用途的低压三相笼型异步电动机,基本防护等级为IP23、绝缘等级为B级。
We discuss the quantum characteristics of superconductor tunneling junction (SIS) during its transition from zero voltage state to normal state.
本文讨论了超导隧道结(SIS)从零电压态跃迁到正常态过程的量子特征。
The simulation results indicate that the SRG has a better fault-tolerant capability, since that the output voltage can keep a normal value when the SRG is lacking a phase.
通过对结果的分析可以看出,开关磁阻发电系统具有较高的容错性能,当发生缺相故障时,系统仍能维持正常的电压输出。
Because TWC has the oxygen storing function, the two oxygen sensors have different voltage response curves in their normal working conditions, otherwise their voltage response curves are similar.
因为TWC具有储氧功能,其工作正常时两个氧传感器的电压响应曲线不同,否则二者的电压响应曲线形状相近。
A writing driver drives the second local lines using a normal-driving voltage in response to a data signal through a global line.
写入驱动器通过全局线响应数据信号,使用正常驱动电压驱动第二局部线。
The high voltage wire ice remover of the utility model can effectively remove the ice on the high voltage wire and ensure the normal use of the high voltage wire.
本实用新型能够有效清除高压线上的冰凌,确保高压线的正常使用。
The values of floating charge voltage for all cells in the VRLA group were as the law of normal distribution.
阐述了阀控式密封铅蓄电池组中各单电池的浮充电压值是服从正态分布规律的。
The traditional normal method for charging up storage battery is the constant voltage or constant current charge. In the charging process 10 to 20 hours are used.
传统的常规蓄电池充电方法都采用小电流的恒压或恒流充电,充电时间长达10 ~20个小时。
Dielectric loss measuring is the normal item to test the high voltage equipment in electric power system.
介质损耗测量是电力系统中检测高压电气设备的常规项目。
If the working-frequency discharging voltage value exceed normal range, can faintly adjust the discharge gap.
如果工频放电电压值超出范围,可对间隙进行微调。
The writing driver drives the second local lines using an over-driving voltage having a higher level than that of the normal-driving voltage during a predetermined period.
写入驱动器在预定周期期间,使用具有电平高于正常驱动电压的过驱动电压驱动第二局部线。
OBJECTIVE To investigate the effects of kaempferol on voltage-gated potassium currents in CA_1 pyramidal neurons of rat hippocampus in both normal state and acutely transient hypoxia.
目的研究山奈酚对正常和急性短暂缺氧时大鼠海马CA_1锥体神经元电压依赖性钾通道的作用。
Obviously, the sustaining voltage can also be increased since the anode-short structure makes the breakdown performance of the IGBT close to a normal PN junction.
我们对这种方案进行了仔细分析,包括在设计工作条件和非设计工作条件下IGBT的性能,结果表明:该结构在两种情况下都能明显改善IGBT的关断、耐压性能。
The invention can implement amplitude-limiting function without affecting the posterior demodulation, voltage stabilization, and normal operation of the clock and the reset circuit.
本发明既能完成限幅功能,又不会影响 芯片内部后续解调、稳压、时钟、复位电路的正常工作。
This added voltage is mainly power line frequency and its effect on the voltmeter reading will depend upon the normal-mode rejection capability of the meter.
这个相加的电压主要为电源频率的信号,其对于电压表读数的影响决定于电压表的串模抑制能力。
Inductive voltage regulator is widely used in the railway signal power supply at present and playing a non-fungible role in normal operation of railway signal.
感应调压器目前广泛运用于铁路信号电源屏中,它对铁路信号的正常运行有着不可替代的作用。
The integrated automation retrofitting in high voltage stations of power plants is more complicated than that in normal power system transmission stations.
目前发电厂升压站监控系统进行综合自动化改造是一种趋势,但是相对变电站综合自动化要复杂一些。
But the invasion of lightning surge may lead its failure due to its low voltage withstand level which may affect the normal service power system.
微机保护系统是电力系统的重要组成部分,但由于其耐压水平低,雷电波侵入电源系统时易导致设备的损坏,严重影响了电力系统的正常运行。
But the invasion of lightning surge may lead its failure due to its low voltage withstand level which may affect the normal service power system.
微机保护系统是电力系统的重要组成部分,但由于其耐压水平低,雷电波侵入电源系统时易导致设备的损坏,严重影响了电力系统的正常运行。
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