1) DC voltage losing

直流失压
2) DC offset voltage

直流失调电压
1.
A study on DC offset voltage and AC impedance of ECG electrodes;

心电电极的直流失调电压和交流阻抗的研究
3) loss of DC grounding

直流失地
4) AC voltage losing

交流失压
5) HVDC

高压直流
1.
Study and Test of Electrolytic Corrosion for HVDC Support Insulator;

高压直流支柱绝缘子电化学腐蚀试验研究
2.
Design of Intelligent Digital Control HVDC Power Supply with ATmega16;

基于ATmega16的智能数控高压直流电源的设计
3.
Simulation Study of Commutation Failure of HVDC Transmission System;

高压直流输电系统换相失败的仿真研究
补充资料:冲击波超压与动压