在四视野X线影像增强器里也可能将U 1电压值设定为零左右。
It is also possible to set U1 voltage to a value near zero, for quadruple-field XRII.
电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。
The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.
当它被合上时，不管流经开关元件的电流值是多少，电压恒为零。
When a switch is closed, the voltage across the switch is identically equal zero regardless of the current through the switch.
该功率因数补偿器具有相负载分别补偿，补偿电容在电压过零时投切，各相功率因数和电流值分时显示等特点。
This compensator can compensate phase loads respectively and display all the phase power factors and current values in a time-split way.
令发电机稳态运行所对应齐次方程的行列式为零，并使发电机的端电压为恒值，计算不同运行状况下机端电容值。
By equating the determinant of the steady-state homogeneous equation to zero, the terminal capacitances for maintaining constant voltage are computed.
令发电机稳态运行所对应齐次方程的行列式为零，并使发电机的端电压为恒值，计算不同运行状况下机端电容值。
By equating the determinant of the steady-state homogeneous equation to zero, the terminal capacitances for maintaining constant voltage are computed.
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