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The technology of frequency converters,if you want to find a theoretical basis from textbooks,can be summed up in the discipline of power electronics technology.Power electronics technology is a technology that uses semiconductor power devices(such as IGBTs)to convert,control,and optimize the use of electrical energy.For sales or companies,it can be referred to as electromechanical integration products.
The popularity of frequency converters can be understood as a power source.What kind of power supply?We know that the function of a transformer is to perform a voltage conversion process.For example,in step-up transformers,step-down transformers,autotransformers,and even reactors,the input and output voltages either increase or decrease,or remain unchanged,achieving energy transfer.Universal frequency converter is a device that transfers energy by changing the voltage and frequency of the power grid,so it can be understood as a power source.Most industrial power requirements are three-phase 380 V,50 Hz,and conventional frequency converters modulate this power supply to 0-380 V,0-50 Hz. 
From the perspective of the drag system,a process flow includes four links:control,drive,execution,and load.Control refers to the operation part,such as the upper computer,ordinary operation box,control cabinet,programmable logic controller,etc;Drive is our product,including universal frequency converter,servo power supply,etc;The executive part is a motor or servo motor;The load is what we call a fan,a water pump,an air compressor,and so on.
The technology of frequency converters,if you want to find a theoretical basis from textbooks,can be summed up in the discipline of power electronics technology.Power electronics technology is a technology that uses semiconductor power devices(such as IGBTs)to convert,control,and optimize the use of electrical energy.For sales or companies,it can be referred to as electromechanical integration products.
The popularity of frequency converters can be understood as a power source.What kind of power supply?We know that the function of a transformer is to perform a voltage conversion process.For example,in step-up transformers,step-down transformers,autotransformers,and even reactors,the input and output voltages either increase or decrease,or remain unchanged,achieving
