solar 2000w pure sine wave inverter 12v to 220v with transformer for office solar power system using

Working principle of sine wave inverter:

      The DC voltage is divided into two channels. One feeds the preceding IC to generate a KHZ control signal, all the way to the preceding power tube. By the control signal to promote the power tube switch constantly make the high frequency transformer primary low voltage high frequency alternating current (alternating current at this time although the electricity is low, #inverter 220v 10000w         but the frequency is quite high, the purpose is to make the transformer after the stage to produce a high voltage, #inverter with charger         the frequency of the former and the output voltage is proportional to the level, Of course, also in the power tube can withstand the frequency range) through the high-frequency transformer output high frequency AC and then through the rapid recovery diode full bridge rectifier output a high frequency of several hundred V DC to the power tube, #12v inverter pure sine wave        and then by the post-stage IC to produce about 50HZ control signal to control the power tube work and then output 220V50HZ AC.

The modified sine wave switching inverter power supply uses the PWM pulse width modulation method to generate the modified wave output. Can the modified wave inverter be used? In the inversion process, due to the use of dedicated smart circuits and high-power FETs, it greatly reduces The power loss of the system is reduced. And increase the soft start function, effectively guarantee the reliability of the inverter. If the power quality requirements are not high, and it can meet the needs of most electrical equipment, it still has 20% harmonic distortion, which will cause problems when operating precision equipment and cause high frequency to communication equipment. interference.

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