查询词典 inverter

To prove that we can construct any boolean function using only NAND gates, we needonly show how to build an inverter, AND gate, and OR gate from a NAND (sincewe can create any boolean function using only AND, NOT, and OR).

为了证明使用NAND门我们能够构造任何布尔函数，我们只需要展示如何从一个NAND建立一个转换，与门，或门（因为我们可以用AND，OR，NOT建立任何布尔函数）。

A new type of split-control three-phase 5-level CSI is proposed in this paper The inverter is decoupled by the neutral line of the loads.

文中提出了一类新的三相分相控制式电流型5电平逆变器拓扑。

This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling.

本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。

Requirement of normal operation for series hybrid APF with fundamental bypass channel, which is one of the topologies with high ratio between the VA ratings of the load and inverter, is specified.

带基波电流旁路通道的串联混合有源电力滤波器是高负载／逆变器容量比的的拓扑之一，本文详细分析了该拓扑正常工作需满足的条件。

In the first year, a dynamic energy interpolating circuit will be developed to substitute for the static transfer switch of off-line UPS's. This circuit is able to provide the output power for off-line UPS's about half-cycle time while the utility is blackout but the inverter still no yet starts to take over the UPS output.

第一年之子计画刻正进行研制一种取代离线式不断电系统中静态转换开关之动态能量补间电路，该电路系为可在市电中断至变流器启动前，提供离线式不断电系统约半周期之输出电源之一种极低容量谐振型电路，俾使离线式不断电电源系统之运作得具零转换时间之特性。

Through simulation and experiment, this paper studied the open-circuit fault diagnosis of the power switches in the inverter paralleling system.

该文通过仿真和实验，对无输出隔离变压器的逆变器并联系统功率管开路故障诊断进行了研究。

Through analysis and simulation, this paper did some research about the open-circuit fault diagnosis of transistors in three-level inverter.

该文针对三电平变换器的拓扑，通过理论分析和仿真实验，对变换器中的各功率管开路故障诊断进行研究。

The space quadrature vector oriented control can decouple between output current and frequency of the inverter by Park transformation, which guarantee the quite high accuracy of the 90 degree phase angle between the two-phase output current that supply for two phase electromagnetic stirrer in quite low frequency.

提出了一种基于空间矢量定向的二相电磁搅拌器逆变电源的结构和控制策略，该逆变器采用六桥臂式主电路拓扑结构，逆变器的第三相桥臂与两相电磁搅拌器的中点相连。

Experiment results prove such method can effectively improve output current waveform of inverter.

实验证明了该方法能有效地改善逆变器的输出电流波形。

This paper briefly discussed the related technique problems such as principle of producing ozone, syste structure of ozonizer constutited by mid-frequency power supply based on delta inverter and so on.

本文简要讨论了产生臭氧的原理和基于台达变频器构成中频电源的臭氧发生器的系统结构等相关技术问题。

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。