1.
frequency-DC voltage converter
频率-直流电压变换器
2.
A plot of dc voltage or current versus time normally produces a straight line.
直流电压或电流与时间的关系图一般成直线.
3.
Vacuum tubes require DC voltage sources as well.
真空电子管也要求以直流电压为电源。
4.
Electric cables and wires--Method for D.C. voltage test
GB/T3048.14-1992电线电缆直流电压试验方法
5.
Multi-Pulse Voltage Source Converter Based on DC Voltage Injection
基于直流电压注入的多脉动电压源换流器
6.
transistorized regulated DC power supply
晶体管直流稳压电源
7.
D.C.resistive volt ratio boxes
GB/T3928-1983直流电阻分压箱
8.
AC-DC digital voltage meter
交直流两用数字电压表
9.
multiterminal HVDC transmission system
多端高压直流输电系统
10.
two-terminal HVDC transmission system
二端高压直流输电系统
11.
HVDC transmission line pole
高压直流输电线路极线
12.
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
13.
Study on Active Fiber DC Transducer Used in HVDC;
高压直流输电有源光纤直流电流传感器的研究
14.
Direct current cannot use transformers to change voltage.
直流电就不能用变压器来改变电压。
15.
±800kV UHVDC Overvoltage Simulation Research;
±800kV特高压直流输电内过电压仿真研究
16.
Calculation of Three-pulse Harmonic Voltage Source for HVDC Transmission
高压直流输电3脉动谐波电压源计算
17.
Studies on Overvoltage During Full-Voltage Starting in HVDC Transmission System
高压直流输电系统全电压起动过电压的研究
18.
Direct-current-controlled Voltage Source Rectifier (VSR) System Based on Digital Signal Processor;
基于DSP的直接电流控制电压型整流器