Based on introducing for certain characteristic of current converting for subway, DC voltage regulating rate is discussed along with analysis of its cakulation method according to actual engineering situation, and the relation between the impedance of short circuit for transformer-rectifier unit and power supply system is mentioned in brief .
综合介绍地铁交流技术特点的基础上,根据有关标准提供的基本方法,结合地铁工程实际情况,对地铁变流器的固有电压调整率进行了一些探讨,并且分析了变流变压器短路阻抗对地铁供电系统的影响。
Design of permanent magnet alternator with low voltage regulation;
低电压调整率交流永磁发电机的设计
Simulation results show that the quiescent current of voltage reference circuit is about 35μA;the voltage reference temperature coefficient is±15×10~(-6)/℃;the power supply rip- ple reject at low frequency is 63 dB and the voltage regulation is 0.
仿真结果显示,基准电路静态电流约为35μA,基准电压的温度系数为±15×10~(-6)/℃;低频时电源抑制比为63 dB,电压调整率为0。
In engineering practice of switching power supply development, in order to improve the control precision of UC3842 based switching power supply and reduce it’s voltage regulation and regulation burden, we studied the peripheral circuit of UC3842’s voltage feedback pin and found an efficient and economic way to improve its control precision.
在研制开关电源的工程实践中,为了提高基于UC3842的开关电源的控制精度以降低其电压调整率和负载调整率,对UC3842电压反馈输入端外围电路进行了研究,找到了提高其控制精度的有效且经济的方法。
automatic frequency control transformer
自动频率调整变压器
automatic frequency control
自动频率控制自动频率调整
rheostatic type automatic power factor regulator
变阻器式自动功率因素调整器
This paper introduces the automatic water-feed system with speed adjusted by frequency converter.
本文介绍的是自动变频调整速恒压供水系统。
automatic power factor regulator
自动功率因素调整器
ring auto regulating transformer
环形自动调压变压器
electronic type automatic voltage regulator
电子式自动电压调整器
automatic induction voltage regulator
自动感应电压调整器
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.
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。
a transformer whose voltage ratio of transformation can be adjusted.
电压比率能够调整的变压器。
Frequency Adjust Potentiometer A frequency adjust potentiometer is used to manually bring the frequency (speed) of the incoming set to that of the bus for synchronizing purposes.
频率调整电位器频率调整电位器是用于手动调整输入机组的频率使之与母排同步。
Adjust the estimated compression ratio for which drive?
要调整哪个驱动器的预估压缩比率?
Complication of Pre-selector's Auto-adjustment in Spectrum Analyzers
频谱分析仪中预选器自动调整的实现
VoltsHertz regulators and protection.
电压/频率调节器及保护。
indirect acting rheostatic type automatic voltage regulator
间接操作电阻器型自动电压调整器
commutator frequency changer
换向器变频机整流子频率变换器
frequency-DC voltage converter
频率-直流电压变换器
AC vibrating type automatic voltage regulator
交流振动型自动电压调整器