What is the modified sine wave of the inverter

Tags: What is the modified sine wave of the inverter? The modified sine wave of the inverter is also called quasi-sine wave (or improved sine wave, simulated sine wave, etc.). The quasi-sine wave is used in inverters, which can basically meet most of our electricity needs, with high efficiency, low noise, and moderate price, so it has become the mainstream product in the market. Modified sine wave is a kind of waveform between sine wave and square wave. The output waveform is at a time interval between the maximum value in the positive direction and the maximum value in the negative direction, but the waveform of the quasi-sine wave is still formed by a broken line. The composition belongs to the category of square wave, and the continuity is not good. The modified sine wave switching inverter power supply uses PWM pulse width modulation to generate the modified wave output. In the inversion process, due to the use of dedicated smart circuits and high-power field effect transistors, the power loss of the system is greatly reduced. And the soft start function is added, which effectively guarantees the reliability of the inverter. If the power quality requirements are not very high, and it can meet the needs of most electrical equipment, but it still has 20% harmonic distortion, there will be problems when operating precision equipment, and it will also cause high frequency to communication equipment. interference. The quasi-sine wave is used in inverters, which can basically meet most of our electricity needs, with high efficiency, low noise, and moderate price, so it has become the mainstream product in the market.