Because of non linearity of output voltage and current of the inverter, accurate measurement of inverter efficiency has always been a difficult problem around the world and demands prompt solutions.
由于逆变器输出的电流、电压的非线性，精确测量其效率一直是国内外亟待解决的难题。
High inverter frequency, obviously improved the efficiency of the machine. high energy saving ability.
逆变频率高，明显提高了整机效率，节能效果显著。
This paper introduces how to measure output of the inverter by simulating quantity of it, and the method for calculating the efficiency of variable-frequency motor.
本文介绍了如何通过变频器的模拟量输出来测量变频器的输出功率，进而计算出变频电动机效率的方法。
The system may measure many circuits high - frequency alternating current , direct current , frequency, efficiency of 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。
In this paper, three methods to measure the efficiency of inverter have been discussed and compared. Based on the conclusion, analog multiplication method is employed.
文中分析、比较了测量逆变器效率的三种方法后，提出采用模拟相乘方法作为硬件处理方案。
V-MOS inverter high running frequency, high efficiency, low noise.
管逆变工作频率高，高效，低噪声。
Through the ID fan to make performance tests to compare the various options that the installation of ID fan motor inverter can increase fan efficiency and save a lot of power.
通过对吸风机作性能试验，比较各种可行方案，认为吸风机电机加装变频器可以提高风机效率，节省大量电能。
Increasing the efficiency of DC voltage can be helpful to increase the output voltage of the inverter.
提高直流电压利用率可以提高逆变器的输出能力。
In the photovoltaic grid-connected systems, the inverter is the core part. the level of its efficiency, reliability will directly affect the whole grid system.
在光伏并网系统中，逆变器是核心的部分，其效率的高低、可靠性的好坏会直接影响整个并网系统的性能。
As the requirements for higher power density and output performance, how to keep the inverter at a relative higher efficiency at higher switching frequency is becoming more and more important.
随着逆变器输出性能和功率密度需求的不断提高，如何在较高开关频率下进一步提升逆变器的变换效率，显得越来越重要。
Fe-based nanocrystalline core transformer inverter which has a high saturation magnetic flux density, high efficiency, small excitation power, low loss, good temperature stability.
铁基纳米晶逆变变压器磁芯其具有高饱和磁感应强度，效率高，激磁功率小，损耗低，良好的温度稳定性。
Matching the quality of some pieces of instability, poor performance, especially the battery, the inverter controller, the impact of the whole power system efficiency and reliability.
有的配套件质量不稳定，性能差，特别是蓄电池，逆变控制器，影响整机发电系统的效率和可靠性。
The efficiency of a novel aircraft static inverter based on cascaded inverter is mainly rested with its DC link.
基于级联技术的新型航空静止变流器的效率主要取决于其直流变换环节。
In the production process of welding, the inverter technology is used widely in high efficiency and steady welding quality.
在焊接生产过程中，逆变焊接以较高的生产效率和稳定的焊接质量得到了广泛应用i。
But the emphases of the design for an inverter-driven induction motor are the efficiency, power factor, elevated temperature in the variable speed range, and dynamic response.
而变频调速电机的设计重点是在调速范围内的效率、功率因数、温升，以及动态响应性能等。
This paper introduces inverter technology and USES IGBT as power component to research high performance and high efficiency CO2 arc welding power source.
为了研究高性能、高效率的CO_2焊接电源系统，本文引入了逆变技术，并使用IGBT作为功率器件。
A novel zero-voltage switching resonant DC link inverter was proposed to improve conversion efficiency of the inverter.
为提高逆变器的转换效率，提出一种新型零电压开关谐振直流环节逆变器。
Using MOSFET inverter technology, Simple circuit small size, light weight, high efficiency and energy saving.
采用MOSFET逆变技术，电路简易，体积小，重量轻，高效节能。
The inverter has the goodness of high-efficiency low-wastage, low quality, little volume and low noise.
该逆变器具有高效节能、重量轻、体积小、噪音小等特点。
Compared with the conventional TIG welding machine, this new inverter proves to have much higher efficiency and power factor, less volume and weight, and especially, more precise parameter control.
该焊机由于采用了中频逆变技术，使其效率和功率因数都有较大幅度的提高，不但减小了体积，减轻了重量，而且具有比传统TIG焊机更精密的控制、调节性能等。
On-site operation show that the high-voltage inverter for drum dry fan for speed energy efficiency, energy-saving effect is obvious.
现场运行情况表明，采用高压变频器对球团厂鼓干风机进行调速节能，节能效果是明显的。
Hoist of blast-furnace car is controlled by inverter instead of series connection-resistance. It can meet the requirements of the production, easy to handle with high dependability and efficiency.
高炉料车卷扬机，采用变频器调速控制，替代传统的串电阻调速控制模式，实现了生产工艺的要求。
In the past years, Inverter resistance welding power source with soft-switching technology has smaller volume, lower quality, higher efficiency.
近年来，以软开关为特征的逆变电阻焊电源更是以其体积小、重量轻、开关损耗少、功率因数高而备受重视。
IGBT inverter high inverter running frequency, high efficiency, low noise.
IGBT逆变技术、工作频率高、高效、低躁音。
Soft-switch and inverter technology for small power grids pollution and high efficiency, small and light.
采用逆变软开关技术，电网污染小，效率高，体积小，重量轻。
Soft-switch and inverter technology for small power grids pollution and high efficiency, small and light.
采用逆变软开关技术，电网污染小，效率高，体积小，重量轻。
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