无电压触点闭合,常开,8路输出。
确保交流伏特表显示无电压。
无电压时,油扩散,盖住边长200微米的像素。
When no voltage is applied, the oil spreads out to cover the pixel, which is 200 microns on a side.
注4︰无电压降的辉光放电忽略不计。
NOTE 4 Glow discharges without drop in the voltage are neglected.
而低电压或无电压代表死亡的疤痕组织。
性能稳定,低率放电电压平稳,无电压滞后现象。
Stable performance, low rate discharge voltage stable, no voltage hysteresis.
对电容式电压互感器二次无电压输出故障的检查方法、电气试验及判断作了说明。
The paper presents the inspection method of the non - voltage in secondary side output fault, the electrical test and the judgment of the capacitor voltage transformer.
准确观测虚拟电网磁链是PWM整流器虚拟电网磁链定向无电压传感器运行的关键。
The key problem of the virtual line-flux-linkage vector oriented control of the PWM rectifier without line voltage sensors is to observe the virtual line-flux-linkage accurately.
一个交流的权力中心由一个可控硅功率控制器或控制器的外壳,包装一或无电压匹配变压器。
An ac power center consists of a SCR power controller or controllers, packaged in an enclosure with or without voltage matching transformers.
与基本ZVS三电平变换器相比,该变换器具有辅助网络简单、实现零电压范围宽、副边无电压过冲和占空比丢失以及控制方式灵活等优点。
It has many remarkable advantages such as simple auxiliary circuit, realizing ZVS in the wide load range, no voltage spike and surge of the transformer secondary side and easy to be controlled.
本文针对LC无源滤波器和传统的电压源型并联混合电力滤波器的缺点,提出了一种新型的并联混合电力滤波器。
A novel single - phase parallel hybrid power filter is presented in this paper, which can eliminate drawbacks of LC passive filter and the conventional voltage source parallel hybrid power filter.
在直接转矩控制理论基础上,推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
无刷直流电动机在高性能驱动应用中具有良好的调整性能、高电压、高转矩、高体积比以及无电刷的优点。
Brushless direct current motors and have advantages of good adjustment performance, high voltage, high torque, high volumes ratio in high performance drive.
从发电机转速、功率和直流母线电压之间的相互关系出发,提出利用直流母线电压进行转速观测实现无速度传感器。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
发电机的谐波组开路或短路,无三次谐波电压输出,检查绕组接头或拆换绕组。
If no triple overtone voltage, check the winding lug or replace with another winding.
为了提高异步电机无速度传感器矢量控制的低速性能,提出了一种定子电压幅值和直流偏置补偿办法。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
高电压无电极强脉冲气体放电,可以用作激光器的激发光源。
High voltage pulsed electrodeless discharge in rare gases can be used as a light source for laser excitation.
设计了一种高准确度无电阻的带隙基准电压源。
A high accuracy band-gap reference voltage without resistor is designed.
锂电池具有体积小、能量密度高、无记忆效应、循环寿命高、高电压电池和自放电率低等优点。
Li battery have the good features of small size, high power density, no memory effect, long cycle life, high voltage and low self-discharge.
高的电压等级且无最小导线及间距的限制。
Higher voltage ratings without the limitations of minimum wire size and spacing.
继电器。线圈电压9VDC。足迹定期。无焊药。线圈灵敏度0.2W。职务版本2A。
Relay. Coil voltage 9VDC. Footprint regular. Flux free. Coil sensitivity 0.2W. Duty version 2A.
电渗泵是一种液流驱动泵,具有装置简单、载流无脉动、流量范围大和驱动电压适中等优点。
Electroosmotic pump is a liquid driving apparatus, which has its advantages of simplified equipment, non pulsing flow rate, large flow range and moderate working voltage etc.
无载分接范围选择应能提供正确的低压侧母线电压。
No load tap ranges should be selected to provide an adequate low-side bus voltage.
输出整流二极管无反向恢复电压尖峰;
There is no high reverse recovery related voltage spike in the rectifier diodes.
在低速范围内,对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在列写与无伴电压源相关联的节点方程时,用一个封闭面把连接无伴电压源的节点包围起来,看做一个广义节点,其节点的方程与通常的节点法一样。
When we set up the nodal equations, which is associated with ideal voltage sources, we can use an enclosed surface to encircle these nodes and think of it as a general node.
使调压过程在宏观上电压按系统运行的需要而改变,而微观上电压波形平滑、连续、无冲击。
The macrocosmic voltage is changed in terms of the demand of system operation, while the waveform of the microcosmic voltage is smooth, continuous and poses no impact.
文中采用无源探针对由等离子弧梯度电压和等离子鞘层电压构成的等离子反翘(等离子云)电压进行检测。
A non power supply probe was developed to detect the plasma cloud voltage, which consists of plasma arc voltage gradient and plasma sheath voltage.
图片说明上述电压诱导线圈无脉冲(自由运行)。
The picture above shows the voltage induced in the coil without pulse (Free run).
实验结果表明,利用该方法设计的无差拍控制正弦波逆变器系统稳定性好、输出电压波形畸变率低,具有一定的实际应用价值。
The experimental results prove that the sine wave inverter designed by this method have good stability and high quality output voltage and can be applied in practice.
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