Analysis of measurement uncertainty for DC low voltage calibration;
直流低电压校准的测量不确定度分析
RTDS Simulation on Evaluation of Delay Time Settings of DC Under-Voltage Protection
直流低电压保护延时定值校核RTDS仿真研究
Low voltage DC power is also provided for control power and emergency power.
低压直流电作控制电源和应急电源。
DC Pollution Flashover Process for Insulator String at Low Air Pressure
低气压下绝缘子串直流污闪放电过程
The Research of Low-Voltage DC Supply Digital Electronic Ballasts for HID Lamps;
低压直流供电HID灯数字化电子镇流器研究
Test procedures for stabilized d.c high/low voltage power for nuclear instruments
GB/T10261-1988核仪器用高、低压直流稳压电源测试方法
The method of shortening the time for direct current resistance testing of transformer low-voltage side
缩短变压器低压侧直流电阻测试时间的方法
Electronic Ballast Design Applied in the Low DC Voltage Power
直流低压应用场合下的电子镇流器设计
DC Examination and Selective Leakage Protective System in Underg round LV Distribution Network
井下低压电网直流检测式选择性漏电保护
The study of distinguishing between AC-DC and judging positive and negative electrodes of DC electordeposition
用低压验电笔区分交直流和判断直流电正负极的方法
Research of Low Voltage/High Current Output DC/DC Converter Based on Synchronous Rectification Technology;
基于同步整流技术的低压/大电流输出直直流变换器的研究
The Study of Demonstrating the Experiment of "The Effect of Resistance Inductance and Capacitance Upon Alternte and Direct Current" with Low-pressure Electricity;
用低压电源演示电阻、电感、电容对交直电流作用的研究
Major diameter welded steel pipe for low-pressure liquid service
GB/T14980-1994低压流体输送用大直径电焊钢管
" Low-voltage power supply devices,d.c.output-Performance characteristics and safety requirements"
GB17478-1998低压直流电源设备的特性和安全要求
The voltage of the analog signals in control and protection circuits are all below DC 24V.
控制和保护回路模拟信号的电压都低于24V直流。
Design and IC Implementation of High Efficiency and Low Power DC-DC Converter;
高效率、低功耗直流电压转换器芯片设计与实现
Simulation Study on Low Frequency Power Swing Suppressing with HVDC Transmission
高压直流输电对低频振荡抑制作用的仿真研究
Design of Intelligent Electronic Ballast for Compact Fluorescent Lamp with Low-voltage DC Power Supply
低压直流供电紧凑型荧光灯的智能电子镇流器设计
The voltage had been reduced in stages.
电压一直在逐步地降低。