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。
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。
Systems are generally solar panels, batteries, controller, DC-AC change devices and lamps and so on.
系统一般由太阳能电池板、蓄电池、控制器、DC-AC转变器和照明灯具等组成。
A separate-controlled AC-DC-AC power load simulator is designed adopting the principle of voltage-type PWM convertor.
本文运用PW M电压型变流器的基本原理,设计了一种分离控制式交-直-交功率负荷模拟器。
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 this paper, the AC-DC-AC structure commonly used in wind turbine is introduced, and introduce the concept of power balance control.
本文结合风力发电机组中常用的交直交结构,将功率平衡概念引入并网变流器控制。
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。
The complexity of control strategy is equivalent with that of ac-dc-ac converter, and the voltage transfer ratio is theoretically up to 0.955.
其控制算法与交—直—交变换器控制算法的复杂度相当,电压传输比在理论上可达到0.955。
The AC servo system of FANUC 11 series is a AC-DC-AC conversion frequency speed adjusting system, which use PWM as the speed-adjusting control method.
FANUC一11型交一直一交频调速系统,调速的控制方法为脉冲宽度调制(pwm)法。
Moreover, compared with the traditional AC-DC-AC converter, it removes the huge capacitance, then the volume is reduced and the efficiency is enhanced.
相比于传统的交-直-交变换器去掉了体积庞大的电容,使得体积减小,效率提高。
The design of hardware circuit is introduced, include DC-DC main circuit, DC-DCs sample circuit, DC-AC main circuit and DC-AC's sample circuit, and so on.
本文首先给出了一个整体的设计方案及其工作原理,并介绍了各个部分硬件电路的实现,包括DC-DC主电路、DC-DC的采样与给定、DC-AC的主电路以及DC-AC的驱动与采样等。
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。
The paper establish main circuit which use AC-DC-AC inverter. To TMS320LF2407A as the core of control circuit, low-frequency inverter technology has been studied.
本文建立以“交-直-交”逆变桥为主电路,控制电路以TMS320LF2407A为核心,对低频逆变技术进行研究。
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。
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。
The leakage current through DC-AC etched aluminum foil when anode finishing is least, while the tensile strength and bending property of hard AC-etched aluminum foil are best.
直-交流腐蚀箔的漏电流最小,硬质交流腐蚀箔的抗拉强度及折弯次数最大。
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。
This paper introduces a microprocessor controlled PWM real time controller used in AC-DC-AC electric locomotive. A real-time forming method of multi-mode PWM waveform is described.
介绍了一种用十六位单片机实现的用于控制交-直-交电力机车道变器的PWM实时控制器,论述了PWM波形的实时生成方法。
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。
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。
Electric power is output to the oil tube, which is connected with the bushing by the oil bushing connecter on the bottom of the oil tube, via a 3-phase transformer after AC-DC-AC inverse circuit.
电能由三相配电变压器经AC DC AC逆变电路输出传送到油管,经油管下部的油套管接触器连接到套管,形成一个完整的回路。
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。
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 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。
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。
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