查询词典 voltage

Put forward the conception of steady voltage and transient voltage stability control of wind power plants.

提出风电场稳态电压和暂态电压稳定性控制的概念。

The fundamental theories of voltage stability, the countermeasures of improving transient voltage stability and the overload characteristic of Powerformer are studied in this dissertation.

论文研究了电压稳定性的基本理论、提高电力系统暂态电压稳定性的措施及高压发电机的过负荷特性。

The model considers not only the cost for static voltage stability,but also that for transient voltage security .

通过满足暂态电压安全约束的无功发电调节与切负荷总代价最小化问题，来表示暂态电压安全风险。

To satisfy the requirement of different users, a three-phase four-leg circuit topology inverter is investigated to balance output voltage. The transfer functions and system transfer functions matrix are deduced. Three-dimensional space voltage vector modulation strategy is analyzed. The triangular prism judgment, the tetrahedron discrimination and computational methods of space vector action time are discussed.

推导了三相四桥臂逆变器的传递函数，建立了系统传递函数矩阵；分析了三维空间电压矢量调制策略，给出了三棱柱判断、四面体的区分、各个空间矢量作用时间的计算方法，并进行了仿真和实验研究。

This cycle, so that the output voltage and input trigger angle values correspond to values by adjusting the trigger angle, adjusting the output voltage.

按此循环，使输出电压与输入触发角数值对应，通过调整触发角数值，调整输出电压。

The gate voltage and the anode voltage parameters that could influence the performance of triode FED are analyzed and discussed.

将阴栅极板和荧光屏封装成5英寸三极结构的场致发射显示器，实现了稳定的场致电子发光显示。

The low voltage breaker is composed of electric conducted system,extinguish-arc room, heat tripper and electric magnetism wink-moved mechanism.The functions of move mechanism directly impact the reliability of breaker's move. This topic is imported by using the exchange module of multibody dynamics simulation software automatic dynamic analysis of mechanical system,and then its movement was simulated by applying ADAMS,with the design and the optimization of DW16 Low-voltage breaker's ususal mechanical movement.

摘 要：低压断路器由导电系统、灭弧室、热脱扣器和电磁式瞬动机构组成，其中操动机构的性能直接关系断路器动作的可靠性，本课题利用Pro/E对操动机构进行三维实体造型，然后将利用多体动力学仿真软件ADAMS进行仿真，完成对DW16型低压断路器的常用操动机构的设计和优化。

In this paper, the error of true rms-to-dc converter was analyzed under the condition of offset voltage of amplifier as main error, and the offset voltage expressions for affect were given.

本文以放大器的失调电压作为误差影响因素，分析放大器失调电压对交流真有效值转换器误差的影响，并给出失调电压影响的表达式。

E "simple transformer law" relates output voltage to input voltage and turns ratio.

翻译为："简单的变压器法"涉及输出电压的输入电压和原来的比例。

The "simple transformer law" relates output voltage to input voltage and turns ratio.

"简单变压器法则"把输出电压和输入电压联系起来并改变比率。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。