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首页> 外文期刊>The Open Electrical & Electronic Engineering Journal >Design and Experimental Research of Agricultural Low Power SinglephaseFrequency Conversion Control System Based on SPWM
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Design and Experimental Research of Agricultural Low Power SinglephaseFrequency Conversion Control System Based on SPWM

机译：基于SPWM的农用低功率单相变频控制系统设计与实验研究

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摘要

In the countryside of China, the main power supply mode is 220V single-phase power, which affects the widelyapplication of three-phase agricultural appliances. What’s more, it means a block to the development of modern agriculture.However, frequency converter technique research is focused on three-phase high power frequency conversion technologyat present, and there are very few achievements on the agricultural low power single-phrase frequency conversionresearch. In this paper, considering the difficulty of widely application of agricultural low power three-phase AC motorbecause it is not easy to obtain the three-phase power supply, a three-phase AC frequency conversion system under thecondition of agricultural 220V single-phase AC power is designed, which can achieve the stepless regulation of the voltageamplitude and guarantee the widely use of the three-phase AC motor under the condition of agricultural 220V singlephaseAC power. The experimental results show that the system can output the controlled three-phase AC power when theinput is 220V single-phase AC power. And the rational design of the system hardware also provides the technical supportfor the application of agricultural low power frequency conversion.
机译：在中国农村，主要的供电方式是220V单相电源，这影响了三相农机的广泛应用。而且，这意味着对现代农业的发展有障碍。然而，变频器技术的研究目前集中在三相大功率变频技术上，而在农业低功率单相变频研究上却很少有成果。本文考虑到农用低功率三相交流电动机由于难以获得三相电源而难以广泛应用的缺点，因此，在农用220V单相交流电源的条件下，采用了三相交流变频系统通过设计，可以实现电压幅值的无级调节，并保证了农用220V单相交流电在三相交流电动机中的广泛应用。实验结果表明，当输入为220V单相交流电源时，系统可以输出受控的三相交流电源。系统硬件的合理设计也为农业低功率变频的应用提供了技术支持。

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