primary of transformer

Through various short-circuit current temperature rise test results, the transformer temperature, time, and a high degree of three curves, obtained directly within the thermal region transformer primary winding height of about 83.3%.

通过在不同短路电流条件下的温升试验，得到了变压器内部的温度与时间、纵向高度之间的关系曲线，得出变压器内部热区域主要集中在约绕组自下而上高度的83.3%区域。

Transformer's DC resistance measurement is one of the primary item before transformer leaving factory and precautionary test. The inherent time constant of transformer is quite long, so it is very important to study how to shorten the measuring time.

电力变压器直流电阻测量是变压器出厂及预防性试验的主要项目之一，但电力变压器固有的时间常数较大，研究缩短电力变压器直流电阻的测量时间具有重要意义。

By adopting auxiliary transformer in the primary side of main transformer, the decreasing time of free-wheeling current is independent of duty cycle, which is proportion to the peak current in the primary side of main transformer.

采用原边辅助变压器衰减原边环流电流所需的时间不受占空比影响，而与原边峰值电流成正比。

The high voltage direct current charge system employs the mode of the AC alternate voltage charging; the temporary energy storage and primary pulse generating system consist of the resonance circuit and the pulse transformer; the 3-stage magnetic pulse compression network is adopted as the pulse compression link.

其中，高压直流充电环节采用交流调压的充电方式；中间储能脉冲形成环节由谐振倍压电路及脉冲变压器组成；采用三级磁脉冲压缩网络作为脉冲压缩环节。

The influence of the ratio of primary coil and secondary coil, excitation voltage, excitation frequency, diameter of the magnetic core on the sensitivity of the differential transformer are mainly analyzed.

研究了初级线圈与次级线圈间的匝数比、激励电压、激励电源频率、铁芯直径等对差动变压器灵敏度的影响。