它具有辅助电路简单,辅助电路的电感、电容和二极管的电流电压应力小,副边占空比损失小等优点。
This auxiliary network has the advantages such as its circuit is simple, the current stresses and voltage stresses on its components are small.
以一起变压器副边短路事故为例,分析了变压器副边短路过渡过程中产生过电流、过电压的危害性;介绍为避免类似事故发生应采取的防范措施。
The danger of overcurrent and overvoltage in the transient process of transformer's secondary short circuit is analyzed and countermeasures to avoid such accidents are introduced.
重点讨论了超前管、滞后管实现零电压开关的差异以及副边占空比丢失的原因。
The difference of leading switches and lagging switches to realize the zero-voltage switching and the reason of duty-cycle loss is emphatically argued.
与基本ZVS三电平变换器相比,该变换器具有辅助网络简单、实现零电压范围宽、副边无电压过冲和占空比丢失以及控制方式灵活等优点。
It has many remarkable advantages such as simple auxiliary circuit, realizing ZVS in the wide load range, no voltage spike and surge of the transformer secondary side and easy to be controlled.
它可使原边所有的开关管零电压导通、副边的整流管零电流关断,因而可实现极高的转换效率。
In resonant converter all switches are working on the ZVS and the secondary diodes are working on the ZCS, so we can achieve high efficiency.
第一副像素的阈值信号电压比第二副像素的阈值信号电压低。
The first sub pixel has a threshold value signal voltage lower than that of the second sub pixel.
为什么电容起动马达副绕阻中的电容两端电压一般会大于额定输入电压?
Why will the capacitors in the auxiliary winding of motor usually be rated higher than the rated input voltage?
本实用新型公开了一种电能质量调节器,它包括原边电压变换器、高 频变压器和副边电压变换器。
The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.
所述三相多副边绕组变压器的原边直接或通过高压开关与三相电网的电压输出端相连;
The primary side of the three-phase secondary line winding transformer is directly connected with the voltage output end of the three phase network;
适当增大逆变器输出滤波电感,合理选择串联变压器原副方变比,或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
适当增大逆变器输出滤波电感,合理选择串联变压器原副方变比,或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
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