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变频器功能作用
变频器功能作用
Function of frequency converter
变频节能
Frequency conversion energy saving
变频器节能主要表现在风机、水泵的应用上。为了保证生产的可靠性，各种生产机械在设计配用动力驱动时，都留有一定的富余量。当电机不能在满负荷下运行时，除达到动力驱动要求外，多余的力矩增加了有功功率的消耗，造成电能的浪费。风机、泵类等设备传统的调速方法是通过调节入口或出口的挡板、阀门开度来调节给风量和给水量，其输入功率大，且大量的能源消耗在挡板、阀门的截流过程中。当使用变频调速时，如果流量要求减小，通过降低泵或风机的转速即可满足要求。
Inverter energy saving is mainly manifested in the application of fans and pumps. In order to ensure the reliability of production, all kinds of production machinery have a certain surplus when designing and using power drive. When the motor can not operate at full load, besides the power drive requirements, the extra torque increases the consumption of active power, resulting in the waste of electric energy. The traditional speed regulation method of the fan, pump and other equipment is to adjust the air volume and water supply by adjusting the inlet or outlet baffle and valve opening, and its input power is large, and a large amount of energy is consumed in the cutting process of the baffle and valve. When using variable frequency speed regulation, if the flow requirement is reduced, the speed of the pump or fan can be met.
电动机使用变频器的作用就是为了调速，并降低启动电流。为了产生可变的电压和频率，该设备首先要把电源的交流电变换为直流电（DC），这个过程叫整流。把直流电（DC）变换为交流电（AC）的装置，其科学术语为“inverter”(逆变器)。一般逆变器是把直流电源逆变为一定的固定频率和一定电压的逆变电源。对于逆变为频率可调、电压可调的逆变器我们称为变频器。变频器输出的波形是模拟正弦波，主要是用在三相异步电动机调速用，又叫变频调速器。对于主要用在仪器仪表的检测设备中的波形要求较高的可变频率逆变器，要对波形进行整理，可以输出标准的正弦波，叫变频电源。一般变频电源是变频器价格的15－－20倍。由于变频器设备中产生变化的电压或频率的主要装置叫“inverter”，故该产品本身就被命名为“inverter”，即：变频器。
The function of the inverter is to speed the motor and reduce the starting current. In order to generate variable voltage and frequency, the device first transforms the alternating current of the power supply into direct current (DC), which is called rectification. The scientific term for converting DC (DC) to alternating current (AC) is "inverter" (inverter). General inverters are inverters that convert DC power into a fixed frequency and a certain voltage. Inverters with adjustable frequency and adjustable voltage are called inverters. The output waveform of the frequency converter is the analog sine wave, which is mainly used in the three phase asynchronous motor speed regulation, also calls the frequency conversion governor. For the variable frequency inverter, which is mainly used in the testing equipment of the instrument and instrument, the waveform is arranged and the standard sine wave can be output, which is called the frequency conversion power. Generally, the frequency conversion power supply is 15 to 20 times the price of the transducer. As the main device for changing the voltage or frequency in the frequency converter is called "inverter", the product itself is named "inverter", that is, frequency converter.
Function of frequency converter
变频节能
Frequency conversion energy saving
变频器节能主要表现在风机、水泵的应用上。为了保证生产的可靠性，各种生产机械在设计配用动力驱动时，都留有一定的富余量。当电机不能在满负荷下运行时，除达到动力驱动要求外，多余的力矩增加了有功功率的消耗，造成电能的浪费。风机、泵类等设备传统的调速方法是通过调节入口或出口的挡板、阀门开度来调节给风量和给水量，其输入功率大，且大量的能源消耗在挡板、阀门的截流过程中。当使用变频调速时，如果流量要求减小，通过降低泵或风机的转速即可满足要求。
Inverter energy saving is mainly manifested in the application of fans and pumps. In order to ensure the reliability of production, all kinds of production machinery have a certain surplus when designing and using power drive. When the motor can not operate at full load, besides the power drive requirements, the extra torque increases the consumption of active power, resulting in the waste of electric energy. The traditional speed regulation method of the fan, pump and other equipment is to adjust the air volume and water supply by adjusting the inlet or outlet baffle and valve opening, and its input power is large, and a large amount of energy is consumed in the cutting process of the baffle and valve. When using variable frequency speed regulation, if the flow requirement is reduced, the speed of the pump or fan can be met.
电动机使用变频器的作用就是为了调速，并降低启动电流。为了产生可变的电压和频率，该设备首先要把电源的交流电变换为直流电（DC），这个过程叫整流。把直流电（DC）变换为交流电（AC）的装置，其科学术语为“inverter”(逆变器)。一般逆变器是把直流电源逆变为一定的固定频率和一定电压的逆变电源。对于逆变为频率可调、电压可调的逆变器我们称为变频器。变频器输出的波形是模拟正弦波，主要是用在三相异步电动机调速用，又叫变频调速器。对于主要用在仪器仪表的检测设备中的波形要求较高的可变频率逆变器，要对波形进行整理，可以输出标准的正弦波，叫变频电源。一般变频电源是变频器价格的15－－20倍。由于变频器设备中产生变化的电压或频率的主要装置叫“inverter”，故该产品本身就被命名为“inverter”，即：变频器。
The function of the inverter is to speed the motor and reduce the starting current. In order to generate variable voltage and frequency, the device first transforms the alternating current of the power supply into direct current (DC), which is called rectification. The scientific term for converting DC (DC) to alternating current (AC) is "inverter" (inverter). General inverters are inverters that convert DC power into a fixed frequency and a certain voltage. Inverters with adjustable frequency and adjustable voltage are called inverters. The output waveform of the frequency converter is the analog sine wave, which is mainly used in the three phase asynchronous motor speed regulation, also calls the frequency conversion governor. For the variable frequency inverter, which is mainly used in the testing equipment of the instrument and instrument, the waveform is arranged and the standard sine wave can be output, which is called the frequency conversion power. Generally, the frequency conversion power supply is 15 to 20 times the price of the transducer. As the main device for changing the voltage or frequency in the frequency converter is called "inverter", the product itself is named "inverter", that is, frequency converter.
