... dc excitation voltage；直流励磁电压 dc feedback voltage；直流反馈电压 dc high impedance voltmeter；高阻抗直流电压表 ...
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The change of DC voltage in braking process and its effect on system and feedback energy are analyzed.
文章还分析了电机制动时能量的回馈和直流侧母线电压的变化，以及直流电压变化对系统的影响。
A DC voltage outer loop control for power balance and PI correction and an ac current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage.
通过直流电压外环的功率平衡控制及比例积分校正，配合内环并网电流反馈控制，使并网逆变器在保持并网电流质量的同时更好地控制直流电压。
The gird side converter is adopted DC voltage stable and unit power factor grid-connected control, and feedback the active power absorbed from the load side to the grid side.
网侧变流器采用直流电压稳定并保证并单位功率因数并网，并将负荷侧吸收的有功功率馈送回电网。
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