当轨道一段没被占据时，连接两个轨道的电源保持两边电压正常。
A power source connected to the two rails normally maintains a voltage between them while they are unoccupied.
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.
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.
实验发现，随电压的升高，六边形斑图是由弥散放电模式演化而成。
It is found that the hexagon pattern is transformed from diffuse mode by increasing the applied voltage.
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.
对于单回线杆塔，中相串的单片绝缘子承受最大电压值比边相串高；
The maximal withstand voltage of single insulator for the middle string of single circuit tower is more than the side string.
变电站是电力系统的一套组合设备，通过它电能得以输送，分配，互边，电压转换等。
Substation is a combination of power system equipment, through its power to transmission, distribution, each side, the voltage conversion.
该4K 46- 95是边查看，印刷电路板安装，可提供广泛的电源电压。
The 4k46-95 is edge viewing, PCB mounted and can be supplied in a wide range of supply voltages.
该分布式电源系统采用高频母线形式，原边电路采用双管正激电路，电压前馈控制，后级利用磁放大器精确控制。
The primary circuit has the form of double switch forward of feedforward control, the second circuit used the magnetic amplifier as the post regulator.
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.
结果表明：变压器层间电压分布随时间变化，且与电路外部参数如失谐、原边电容电压等存在关系。
The results show that the voltage distribution varies with time, and it is influenced by circuit extrinsic parameters such as circuit mismatch, primary capacitor voltage, etc.
传统直接转矩控制技术采用的六边形磁链电压矢量调制方法，这会引起较大的转矩脉动和谐波干扰。
Classical direct torque control method adopts the technique of 6 polygon flux linkage voltage modulation. It will generate torque pulsation and harmonic interference.
经过试验得出：影响焊缝质量的主要工艺参数是加速电压、束流、焊接速度，其他因素，如带材的边部条件等对焊缝的质量也有影响。
The test shows that the major technology parameters of influencing welding quality are accelerate voltage, beam current and welding speed. Besides, other factors, for example, edge con...
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;
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;
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