下超调下超调指电压调整器或控制器在应对负荷变化时，电压或频率低于额定的量。
Undershoot Undershoot refers to the amount by which voltage or frequency drops below the nominal value as the voltage regulator or governor responds to changes in load.
采用模糊控制技术，实现了电弧电压或短路频率的控制，提高了焊接质量。
Fuzzy control tests of arc voltage and short-circuit frequency are conducted to improve welding quality.
软加载软加载是指在给发电机组增加或减少负载时要逐渐进行，以减少电压和频率对系统的瞬变影响。
Soft loading Soft loading refers to the ramping of load onto or off of a generator in a gradual fashion for the purpose of minimizing voltage and frequency transients on the system.
结果表明：随电压的升高或频率的减小，膜层的生长速率增加，膜层的表面质量变得粗糙。
The results show: with voltage increasing or frequency decreasing, the growth rate of the coatings increases, but the surface morphology becomes coarser.
该方法综合了现有方案的长处，可避免单一参数(频率差、相角差或电压差)不满足就闭锁快切的弊端。
It integrates advantages of present schemes and avoids the unreasonable blocking for single unqualified parameter, such as the frequency difference, the phase difference or the voltage difference.
提出了一种基于数字信号处理器的基波相位和频率校正检测方法，可用于电力系统中电压或电流基波分量同步信号的获取。
A novel fundamental frequency and initial phase detection method based on DSP is proposed, which can be used to get synchronous fundamental frequency voltage or current signals of power system.
电动机的绝缘等级为F级或H级，绝缘结构具有对变频器输出高载波频率电压的适应能力。
The insulation class F or class H . The insulation of open-loop U/f condition of . structure has the adaptability to high carrie frequency voltage supplied by frequency converter .
高温材料，相控阵传感器，低电流的要求较稳定的输入电压，环境温度，或输出频率范围的输出信号。
The high temperature materials, phased array sensor, and low current requirements stabilize the output signals over a wide range of input voltage, ambient temperature, or output frequencies.
扫描探针显微镜- d21提供自动频率，相位和电压匹配使用模拟或离散输出信号。
The SPM-D21 provides automatic frequency, phase and voltage matching using either analog or discrete output signals.
发电机的电压为200伏或115伏，频率为50赫，工作方式为连续运行。
The voltage of electric generator is 115v or 200v, the frequency is 50hz, the work method is continuous running.
游车游车是一种在负载变化引起的频率、电压高于或低于期望值，无法达到稳定的现象。
Hunting Hunting is a phenomenon that can occur upon load changes in which the frequency or the voltage continues to rise above and fall below the desired value without reaching a steady-state value.
电能质量是指引起用电设备故障或不能正常工作的电压、电流或频率的偏差。
The power quality is denoted by the deviation of voltage, current or frequency, which makes electric equipments not work proper.
电能质量是指引起用电设备故障或不能正常工作的电压、电流或频率的偏差。
The power quality is denoted by the deviation of voltage, current or frequency, which makes electric equipments not work proper.
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