So, how to improve the tradeoff relationship between turn-off time and forward voltage is a key problem in power devices.
因此，提高开关速度并改善正向导通电压和关断时间的折衷关系是这类器件的关键问题之一。
Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.
其特征是不要外接偏置电压源，而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。
The main control parameters of SRD are opening angle, turn-off angle, phase current and phase winding voltage.
SRD的主要控制参数有开通角、关断角、相电流和相绕组电压。
The paper gives the current and voltage waveforms of multi GTO devices at turn-off, analyzes and compares the waveforms of gate current and voltage.
给出了多个GTO元件关断时的电流、电压波形。 并对其门极电流、电压波形进行了分析和比较。
Any overshoot at turn on or turn off shall be less than 10% of rated output voltage.
开机或关机时，电压过冲不得超过标称值的10%。
To force to turn off the circuit, a circuit with reverse voltage applied to discharged SCR is designed in discharged loop.
在放电回路中设计了放电可控硅施加反向电压电路，以强制关断；
The turn-on and turn-off of power devices under zero voltage are realized with addition of dead time. The power supply for GTO gate driver is developed by use of the converter.
通过设置死区时间实现开关功率器件的零电压开通与关断，利用该变换器研制出GTO门极驱动用电源。
Therefore, it is an important theoretical focus that how to obtain the enough high block voltage or block gain meanwhile resolves the wastage efficiently in turn-off transient.
因此，如何在得到足够高的阻断电压（或阻断增益）的同时能有效减小关断损耗，成为目前急待研究的一个重要理论问题。
In this regulator system, a DSP controls bi-directional IGBT triggered and turn-off at zero-crossing to control different combination of secondary coil and realize AC voltage stabilization.
通过DSP作为控制器，利用补偿变压器输出可以正负补偿的电压与电网串联，从而实现输出稳定的交流电压。
During turn-on and turn-off, the output overshoot voltage should not exceed 10% of rated output voltage;
在开机和关断过程中，输出过冲电压不应超过额定输出电压的10%；
During turn-on and turn-off, the output overshoot voltage should not exceed 10% of rated output voltage;
在开机和关断过程中，输出过冲电压不应超过额定输出电压的10%；
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