In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。
The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.
介绍了DC AC系列智能电源逆变器的功能，软件PWM技术及其交流电压输出调制技术。
A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.
提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。
An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.
模拟信号由直流和交流分量、频率和相位四部分组成。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The company manufactures power inverters necessary to convert the DC power generated by solar panels into the ac power required for most USES.
公司生产电力逆变器，把太阳能生成的直流电源转换为使用最多最需要的交流电源。
The reason was that over the short distances spanned by early power grids, AC transmission suffers lower losses than DC. It thus became the industry standard.
选择交流电作为工业标准的原因很简单，在早期供电距离很短的电网里，交流电的损耗比直流电小。
When the antenna receives a signal, the electromagnetic energy is converted from AC to DC.
当天线接收到信号时，电磁能量将从AC转换到DC。
Energy losses on DC lines are far lower than on the traditional AC ones, which make transmission of energy over long distances uneconomic.
由于在传输过程中采用高压直流电缆输送的损耗要比传统交流电的损耗小得多，因此采用交流电远距离传送电力很不划算。
It is performed in AC or DC with voltages varying from some hundred volts to several tens of kilovolts.
交/直流电压，电压几百伏到数万伏可调。
The Southwest power Pool of Texas is designing an integrated system of DC and AC transmission to enable development of 10 GW of wind power in western Texas.
德州的西南电力联营(Southwest Power Pool)正在设计一个直流交流综合系统使在西德克萨斯州的1千亿瓦的风力发电产物能传输出去。
Still more impressive: His estate's 12-month haul was greater than the pooled earnings of this year’s two biggest living acts, U2 and AC/DC.
更令人惊讶的是：他的的不动产就比今年在世的两位超级巨星组合U2和AC/DC乐队赚钱总和还要多。
Some people, however, question that standard because over long distances high-voltage DC lines suffer lower losses than AC.
现在有人开始质疑这一标准的适用性，因为在远距离输电的情况下，采用高压直流(HVDC)要比高压交流损耗小。
The modeling method of dc & ac arc furnaces are proposed.
简要介绍了直流电弧炉和交流电弧炉建模的几种方法。
When applied voltage waveforms are dc, ac and slow pulse, voltage amplitude during discharge can be ignored.
在直流、交流以及宽脉冲电压波形条件下，电压上升速率相对缓慢，放电时延内电压增幅可忽略不计。
To describe the operating principle and control, this paper focuses on an example: a Z-source inverter for dc-ac power conversion needed in fuel cell applications.
以应用于燃料电池逆变功率变换的阻抗源逆变器为例，分析了其工作原理和控制方法。
To be able to provide 220VAC electrical power, solar power generation system needs to be issued by the exchange of DC can be converted into electrical energy, so need to use the DC-AC inverter.
为能向220VAC的电器提供电能，需要将太阳能发电系统所发出的直流电能转换成交流电能，因此需要使用DC-AC逆变器。
The chip TL1451A is a chip of switch about controlling DC-AC inverter, the features and functions of chip TL1451A is introduced, is applied to the inverter of back light in LCD.
TL 1451 A芯片是一种适合DC - AC逆变器控制的开关芯片，本文介绍了TL 1451 A芯片的特点和功能，并且把它应用在液晶显示器的背光源逆变器中。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
文中叙述了直流—直流变换器或直流—交流逆变器输入电流中纹波电流的二种测量方法。
In AC-DC-AC VVVF, We can accurately measure voltage, current, power and frequency with The HIOKI3164 and TOPVIEW31 analysis software, even if the wave is irregularities and distortion.
利用HIOKI3164和TOPVIEW31分析软件，可对交-直-交变频器中电压、电流、功率、频率进行准确测量，不论它是不规则波形还是畸变波形。
This paper deals with the development of a simple, cheap, and successful microprocessor program to analyze DC, AC and the frequency spectrum of linear networks.
本文介绍了一适个用于线性网络直流、交流和频谱分析的简单、经济而又实用的程序。
The general inverter designed in this dissertation is a 220v voltage type AC-DC-AC modal.
本文设计的通用变频器为单相220V交-直-交电压源型变频器。
The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.
介绍了一种太阳能无变压器式彩电电源，即高效率的DC/AC变换器。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器，及自动控制器、DC/AC变换器等构成。
A direct harmonic analysis approach for AC-DC-AC conversion system was presented to simplify the complicated harmonic calculation process.
为了简化ac - DC - AC变换器复杂的谐波计算过程，采用直接谐波计算对变换器进行了谐波分析。
Main circuit adopts the AC-DC-AC structure and uses IPM(Intelligent Power Module) as main switch.
主电路采用交—直—交电压源型变频器，功率器件采用智能功率模块IPM。
Within a two-band tight-binding model driven by a dc-ac electric field, we investigate the effect of external noise on the transport property of electrons in superlattices.
运用直交流电场驱动下的双带紧束缚模型，研究了噪声对超晶格中电子输运性质的影响。
According the operation mechanics of the SCES system, its main circuit containing bi-directional DC-AC-DC converter was designed and its unified model was built.
从超级电容器储能系统的运行机理出发，设计了含双向DC - AC - DC变换器的超级电容器储能系统主电路结构，并建立了其统一模型。
Th is model can be used for DC, AC and transient simulation.
该模型可用于直流、交流和瞬态分析。
Th is model can be used for DC, AC and transient simulation.
该模型可用于直流、交流和瞬态分析。
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