查询词典 converter

The question of unbalance on PS PWM DC-DC FB converter is discussed, and the solution is proposed.

介绍了桥式变换器的不平衡问题及解决方法和参数确定。

By adding ferrochrome into the converter and using the process of blowing, Ti was removed from the alloy and the nitrogen content in the molten steel was reduced to a very low level, thus greatly decreasing Ti hazard.

通过在转炉中加入铬铁吹炼去除合金中的钦，并且钢水中氮含量很低，最大程度降低了钛的危害。

Using the data dealing method for the saturated solubility, thermodynamic properties of Fe-C-Cr melt were calculated and the temperature dependence of thermodynamic properties also obtained, and the thermodynamic analysis of de-carbonization with blowing oxygen was carried out while medium carbon and low carbon ferrochrome were smelted using high carbon ferrochrome with converter practice.

利用碳饱和溶解度数据处理方法，计算了Fe－C－Cr熔体的热力学性质，得到Cr对C的话度相互作用系数与温度的关系式，并分析了高碳铬铁转炉法吹炼中低碳铬铁时吹氧脱碳的热力学行为。

An alloy of ferromanganese is added to the molten metal as it is poured from the converter into the ladle.

是工具理性在教育中的具体化。10。人们在钢水轻炉倒进钢水桶时，放进一些锰铁合金。

The phosphorus content in the first heat steel of converter steelmaking after fettling was higher than normal operation and some times even higher than the standard limitation.

转炉大补炉后冶炼第一炉钢时钢中磷含量容易偏高，有时甚至超出钢种要求的磷含量上限。

The whole sintering process of SHS converter fettling materials can be divided into three steps. The first step is the decomposition reaction of carbonates and sodium nitrate, which is an endothermic reaction. The second step is the SHS reaction, i. e. thermite reaction, the metal of Al reacts with CO〓, O〓, NO〓, Fe〓O〓 to form Al〓O〓. The speed of thermite reaction is very quick, and accompanied with large amount of heat emission and temperature rise. The third step is the reaction of spinels formation. The Al〓O〓 produced by SHS reacts with MgO to form spinels.

整个SHS补炉料的烧结过程分三步进行：第一步为碳酸盐、硝酸钠的分解反应，属于吸热反应；第二步为SHS反应即铝热反应，金属铝粉与CO〓、O〓、NO〓、Fe〓O〓等反应生成Al〓O〓，反应速度很快，并伴随有巨大的放热和温度升高；第三步为合成尖晶石的反应，SHS反应产物Al〓O〓与MgO反应生成尖晶石。

By the deep analysis on winding eddy current loss mechanism of the transformer in forward-flyback converter, a new idea is proposed that the magnetic field in winding window of the transformer can be considered as the combination of the two components, that is, transformer field component and inductor field component. The orthogonal characteristics of the two magnetic field components in CCM are further revealed.

通过深入研究正反激变换器中的变压器线圈涡流损耗机制，指出其线圈窗口磁场可分离为变压器特性的磁场和电感器特性的磁场，证明了连续导通模式时上述两种特性磁场为正交的，进而提出一新型线圈损耗解析建模方法，新方法可以有效提高模型精度。

A filter equipments design example base on the new HVDC system model was calculated in the last, the result of calculation and simulation indicate the theory of the new converter transformer is correct and the design of parameters are proper, the filters are effective, the total harmonic currents of the system is quiet low, It has a good application prospect.

最后针对具体的新型高压直流输电平台模型给出了滤波装置设计实例，分析仿真计算结果表明，本文提出的新型换流变压器原理正确，参数选择合理，滤波效果好，总谐波含量小，在谐波治理方面实现了新突破，具有良好的应用前景。

The noise of filter and shunt capacitor installation is one of main noise source at converter station, it is necessary to study its calculation method.

滤波、并联电容器装置的噪声是换流站中噪音来源的主要因素之一，有必要对其计算方法进行研究。

In this paper, experiments were designed according to the operating state of converter transformers, and processes of breakdown and creeping flashover in oil-paper insulation were studied.

针对换流变压器的特点，设计了相应的试验装置，初步对油纸绝缘中的体击穿和沿面闪络进行了试验研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。