为了增大调速系统容量,采用了逆变器并联的方式。
The parallel inverter was used to explain the capacity of variable-speed system.
逆变器并联运行可以提高供电的可靠性、易于扩容。
The parallel of inverters provides a reliable AC power supply and a flexible capacity.
然后本文提出基于同步调幅的逆变器并联控制技术。
The parallel strategy is presented which is Based on Phase Synchronizing and Amplitude Modulating.
分析了逆变器并联时,各模块输出功率不平衡的原因。
The cause of output power unbalance between paralleled inverters is analyzed.
随着逆变器并联系统规模的增大,电源系统对故障诊断提出了新的要求。
With the increasing scale of the parallel connected inverters system, new requests of fault diagnosis are put forward by power supply systems.
提出了一种适用于光伏发电系统或大容量ups系统的高性能逆变器并联的控制方案。
A control scheme of two parallel high-performance inverters is proposed, suitable for photovoltaic generation system and large scale UPS system.
本文主要致力于无输出隔离变压器的逆变器并联系统环流特性及其并联控制技术的研究。
This dissertation is mainly devoted to the analysis of circulating current's characteristics and the control technologies of parallel inverter system without output isolating transformers.
试验结果证明,本文的直流环流检测与抑制方法对逆变器并联系统直流环流有较好的抑制效果。
Experimental results prove that the DC loop-current detecting and restraining methods have a good performance.
提出一种采用逆变器并联电容器的新方法,该方法通过PWM逆变器控制悬浮力绕组中励磁电流。
A novel method of a capacitor in parallel with inverter is presented, in which current in levitation force winding can be controlled by PWM technique.
提高逆变电源容量主要有两个途径,设计大功率的逆变器和采用逆变器并联技术实现电源模块化。
There are two main ways to increase the capacity of inverter, including designing high power inverter and applying parallel technology to achieve power modularization.
对于无输出隔离变压器的逆变器并联系统,各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
For the parallel inverter system without output isolation transformers, the difference of DC components of the output voltage can cause large DC loop-current among modular inverters.
对于无输出隔离变压器的逆变器并联系统,各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
For a parallel inverter system without output isolating transformers, discrepancy in DC biases contained in the output voltage of each module can cause large DC circulating current among inverters.
对TMS320 LF 2407 A数字信号处理器芯片的特点和逆变器并联控制的软、硬件结构及工作原理进行了详细介绍。
It gives details of characteristics of the DSP chip TMS320LF2407A, and the configuration of software and hardware of the system along with their working principle.
从逆变器等效输出阻抗的角度,对基于输出电压和滤波电感电流双闭环瞬时反馈控制技术的逆变器并联系统的环流特性进行了研究。
Output characteristic is one of the most important characteristics of voltage source inverter, which is determined by the equivalent output impedance of the inverter.
将二极管箝位式三电平逆变器应用于三相并联有源滤波器以降低开关管应力。
The diode neutral point clamped three-level inverter for three-phase shunt active power filter is applied to reduce the switch stress.
实验结果进一步验证了大功率三相逆变器的波形控制和并联控制策略有效可行性。
The experiment result verifies the feasibility of voltage waveform control and parallel control scheme of high power three phase inverter.
碳化硅晶体管将增长与二极管并联,通过光伏逆变器驱动,预测报告。
SiC transistors will grow in parallel with diodes, driven by PV inverters, forecasts the report.
它于1990年,成功发射了世界上第一个大功率并联逆变器模块和它的系统。
In 1990, it successfully launched world's first high-power parallel inverter module and its system.
由于UPS(或逆变器)的输出是正弦交流电,它的并联运行比直流电源复杂的多。
Because of the output of the UPS (or Inverter) is AC, its parallel operation is more difficult than DC supplies.
仿真及实验结果验证了该方法的正确性,表明该方法适用于串并联负载谐振逆变器。
Finally, the correctness is verified by simulation and experiment. It is indicated that this method is adequate for the inverters with series-parallel resonant load.
最后给出了本文实验所用的逆变器功率电路的设计和并联控制数字电路的设计。
Finally it is explained how the inverter circuit and the digital control circuit are design.
根据单台逆变器的等效电路得到了并联系统的等效电路,给出了并联系统的在不同等效电路下环流的大小。
The equivalent circuit of parallel inverters is acquired from the single inverter equivalent circuit and the circulating current of parallel system is given in condition of different frequency.
该控制技术利用FPGA产生各并联逆变器SPWM调制波的频率和相位,并确保输出电压同步。
FPGA is used to produce the SPWM frequency and phase for each inverter and ensures the synchronization of output voltages.
控制逆变器直流电容的平均电压与电压波动为适当值是保证并联型电力有源滤波器具有良好补偿性能的一个重要因素。
Controlling the DC capacitor average voltage and fluctuant voltage at an adequate value is an important factor which guarantees the excellent compensation characteristics of shunt active filter (APF).
控制逆变器直流电容的平均电压与电压波动为适当值是保证并联型电力有源滤波器具有良好补偿性能的一个重要因素。
Controlling the DC capacitor average voltage and fluctuant voltage at an adequate value is an important factor which guarantees the excellent compensation characteristics of shunt active filter (APF).
应用推荐