查询词典 generator

The low-frequency instability in variable speed constant frequency doubly fed induction generator which is widely used in wind power generation is studied.

研究了广泛应用于风力发电的变速恒频双馈感应电机系统中的低频不稳定现象。

In this thesis, the design scheme of a DSP-controlled inverter applied in mobile generator is presented at the beginning and then the design method of control system is mainly discussed. Equivalent output impedance model of instantaneous voltage and current closed-loop controlled inverter is established on the foundation mentioned above. How the values of LC filter, parameters of PI regulator and feedback coefficient etc. affect the external characteristic of inverter is analyzed in detail. Non-linear factor of inverter are also discussed and corresponding solutions are put forward.

本文首先给出了移动发电机DSP控制逆变模块的设计方案，着重讨论了控制系统的设计方法，在此基础上建立了电压电流瞬时值双闭环控制的逆变模块等效输出阻抗模型，对滤波器LC值、PI调节器参数和反馈系数等各项因素对逆变模块输出外特性的影响进行了详细分析，并探讨了逆变模块中非线性因素对输出波形的影响，提出了相应的解决方案。

This paper studies the structure of the generator insulation.

研究了大型发电机的绝缘结构。

This paper proposed a saw wave generator circuit with good linearity by using NE555 and constant current charge integration circuit.

利用NE555定时电路和恒流充电的积分单元电路，设计线性良好的锯齿波发生电路。

Rather than using warp disrupt probes, the heavy interdictors use a module, the Warp Disruption Field Generator , which prevents all ships within its range from warping or jumping (including the heavy interdictor itself).

比起跃迁干扰探针，重型拦截舰可以使用更强力的装备，跃迁干扰场发生器，它能阻止场作用范围内所有的船只的跃迁，包括它自己。

Working process of the piccolo injector plasma generator is analyzed and computing model is modified. Improving the piccolo injector model, and having the coupling computation with the model of interior ballistics. From the result of experimentation, the model is validated and can be used in predicting experiment.

修正了D型等离子体发生器的准稳态模型，建立了中心电弧等离子体发生器的准稳态模型；将中心电弧等离子体发生器模拟模型与一维两相流内弹道模型耦合，建立了基于中心电弧等离子体发生器的电热化学炮的内弹道预估模型。

It is the domestic test system of the generator test station of intermediate frequency of the certain Military industry enterprise.

由于直流电动机具有极好的运行性能和控制特性，所以直流调速系统是自动调速系统的主要形式。

There are several soon-install steam turbine generator set in an electric power system of the vessel. Paroxysmal and intermittence vibration occurs at one set.

0引言近十几年，在我国造船行业的装机容量和台套数呈快速增长态势，但随之而来的是汽轮发电机组的振动故障也逐渐增多。

A generator of electricity using chemical energy directly by ionization and oxidation of the fuel.

通过燃料电离和氧化，直接将化学能转换成电能的发生器。

Isosceles triangular wave generator, which in some Simulink ramp and triangular wave off-the-shelf modules, But isosceles triangle wave, there is no, it is available to everyone.

等腰三角波发生器，在simulink 中有的是锯齿波和三角波的现成模块，可是等腰三角波的就没有了，现提供给大家。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐