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 company manufactures power inverters necessary to convert the DC power generated by solar panels into the ac power required for most USES.
提高直流电压利用率可以提高逆变器的输出能力。
Increasing the efficiency of DC voltage can be helpful to increase the output voltage of the inverter.
该文首先比较了逆变器模型与直流电机模型的相似性，提出逆变器的控制可以借鉴直流电机的双闭环控制方法。
This paper compared the model of inverter and DC motor at first and proposed that the dual-loop control for DC motor can be used to that of inverter.
系统采用软件方式实时计算交流传动系统的运行参数，包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.
由于传统谐振直流环节逆变器只能采用离散脉冲调制方式，输出波形中含有丰富的低次谐波，严重影响输出性能。
The output waves of traditional resonant DC-Link inverter have too much low frequency harmonic waves which affect the output performance, because it can only use DPM control.
并采用优化的SAPWM调制信号，提高了直流电压的利用率，并能有效地抑制逆变器输出的谐波电流。
Also, optimized SAPWM modulation wave has been utilized, improving the utility ratio of DC voltage and restraining effectively the output harmonic current of 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。
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.
此外，讨论了PWM逆变器及其直流侧电压的控制方法。
In addition, the control methods of PWM inverter and its dc side voltage are discussed.
针对有源箝位谐振直流环节逆变器提出了一种新的双幅控制策略。
A novel two-amplitude control strategy for active-clamped resonant DC link inverter is proposed.
同时也提出将用于通用型直流电压源逆变器的PWM波生成方法，经过同步处理后，可以应用到该交-交变频器中。
Meanwhile, the PWM generated methods of a universal DC voltage source inverter are applied to the cycloconverter after the synchronous process.
它可能会像连接到一个简单的电容器银行然后运行，通过一个逆变器的直流电源转换成可用交流电。
It may be as simple as connecting it to a bank of capacitors and then running that through an inverter to convert that DC power into usable ac.
以逆变器输出的电压和220v的差值作为控制信号。设计控制器根据控制信号改变直流变换器和三相可控整流的PWM控制信号。
The difference of output voltage of inverter and 220v is set as control signal, controller change the PWM signal to regulate buck-boost converter and three-phase rectifier.
文章中首先分析了逆变器的拓扑结构以及在直流端电压比不同的情况下的输出电平数。
First, the topology of the inverter and different output voltage level numbers in the situation of different voltage value ratio of two DC power supplies are analyzed.
应用PI控制使逆变器直流侧电容电压保持稳定，保证DSTATCOM良好的电流跟踪性能。
The voltage of the capacitance which is on the DC side of the inverter is stabilized by using PI control strategy, which ensures the DSTATCOM 's good current tracking performance.
本文详细分析了在异步调制下，直流电压的二次脉动对逆变器输出电流以及电机转矩的影响。
This paper analyses the influence of the rippled DC voltage to the output voltage of the inverter and the motors.
针对SPWM全桥逆变器中存在的直流偏磁现象，提出了数字PI电压积分调节方法。
A digital PI voltage integral regulating method, as proposed in the paper is directed at overcoming the flux imbalance phenomena in the SPWM full-bridge inverter.
有源逆变器可以将直流电能转变为交流电能反馈给电网，从而实现电能的回收再利用。
Active inverter can convent DC into ac and send it back to the power network, so that reclaim the electricity energy.
谐振直流环节逆变器是一种零电压开关逆变器。
Resonant dc link inverter is a zero voltage switching inverter.
系统测试项目有多路高频交流电流，直流电流，频率，逆变器的效率等。
The system may measure many circuits high - frequency alternating current , direct current , frequency, efficiency of inverter .
万佛圣城太阳能计划协调人张简嘉乃指出，传统的太阳能系统采用中央逆变器，将直流电转换成交流电。
Amy Chang-chien, coordinator of this solar project, pointed out that traditional solar system has a centralized inverter to change direct current to alternating current.
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。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
针对新型高压直流输电模拟系统12脉波整流器与逆变器产生的谐波，设计了基于新型换流变压器的无源滤波器系统。
In view of harmonic which generated from the new-type HVDC analog system 12-pulse wave rectifiers and the inverter, designed passive filters system based on the new-type converter transformer.
通过对逆变器基准正弦波直流分量的高精度数字调节，相应调节逆变器输出电压直流分量以抑制直流环流。
By digital adjustment with high precision on the DC bias of reference sine wave, the DC bias contained in inverter output voltage can be adjusted to restrain DC circulating current.
详细研究了谐振直流环节单相逆变器的输入谐振电压与逆变器输出调制电压、输出正弦电压的关系；
The paper detailed the relationship of input resonant voltage, modulation voltage and output sinusoidal voltage of single phase resonant DC link inverter(RDCLI).
基于PWM整流技术，并通过控制逆变器开关的导通顺序调节逆变器直流侧的电容电压。
Based on the technique of PWM rectifier, the DC voltage of the inverter was adjusted by controlling the switch order of the switching elements.
其次，本文采用直流电压外环、电流内环的双闭环控制方法，既保证了逆变器输出的静态误差为零，又保证了逆变器良好的输出波形。
Secondly, the DC voltage loop and inner current closed-loop control method, both to ensure zero static error of the inverter output, but also to ensure that the inverter output waveform.
分析了全桥逆变器功率变压器产生直流偏磁的机理；
The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.
分析了全桥逆变器功率变压器产生直流偏磁的机理；
The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.
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