查询词典 step-down transformer

There is much high order harmonics from the inverter, so the high frequency model of the step-up transformer is established to study the influence of the stray capacitors.

同时由于变频器向该系统注入了大量的高频分量，为此建立了变压器高频分布模型，以评估变压器分布电容对全系统的影响。

Powerformer incorporates the functions of the conventional generator and the step-up transformer into one unit, which represents the latest achievement in the power generation technology.

Powerformer是一种集成了传统发电机和升压变压器功能的新型高压发电机，是在发电技术领域取得的最新进展。

Consequently if we can solve the voltage sharing of IGBT direct series connected with several assistant peripheral circuits, step-up transformer isn't necessary and the cost is also reduced.

如果能够借助一些辅助的外电路解决功率器件串联工作时的均压问题，那么就可以省去升压变压器的投资，降低了成本。

Powerformer, launched in 1998, is a high voltage synchronous machine that is suitable for direct connection to the high voltage network without any step-up transformer.

Powerformer是一种高压发电机，可以直接和高压母线直接连接而无需升压变压器进行升压。

The ASVG sine waveform voltage injects into the power system directly or via step-up transformer.

数学仿真分析结果表明，本论文提出的ASVG新型调制方式是正确有效的。

Instrument has a variable ratio of the internal step-up voltage transformer from the standard of accuracy classes to 0.02, you can 1200V and 2400V voltage of the power under the exact test voltage transformer errors.

仪器内部具有多变比的自升压电压互感器标准，准确度等级达到0.02级，可以在1200V和2400V的电压下准确检定电力电压互感器的误差。

This paper has presented a module-cascaded system for multi-coil direct-drive permanent magnet wind generator system with high voltage output, eliminating the grid-side step-up transformer.

针对大容量风电机组的中压变换问题，本文研究一种基于多绕组发电机的模块化级联型变换器，通过模块单元级联实现中压输出，从而省去升压变压器。

It is found that the maximum fault current may be produced when the DGS with synchronous generators are installed at the outlet of the feeder. The critical installation capacity of DGS and the minimum impedance of the step-up transformer can be derived easily and verified by the computer simulation.

经由本文的研究可发现，同步发电机型式的分散式电源并联於馈线口所产生之故障电流最大，增加升压变压器的阻抗与降低分散式电源的容量皆可降低故障电流大小至限制范围内。

Frequency AC-DC rectifier first, and then the inverter for AC 50 Hz, the step-up transformer into the local electricity company 11 kV power grid.

变频交流电先整流成直流电，然后逆变为50Hz的交流电，经升压变压器送入当地电力公司的11kV电网。

BUCK circuit for a buck or step-up transformer, the output voltage v0 is greater than or less than the average input voltage U opposite polarity, capacitance transmission.

BUCK电路一降压或升压变压器，其输出平均电压v0大于或小于输入电压U极性相反，电容传输。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。