220 -volt inverter brief

DC voltage two routes , one to the front stage IC power supply generates a control signal KHZ level , all the way to the pre- power tube . By a control signal to promote the high-frequency switching power tube continuously produce low-voltage transformer primary frequency alternating current ( AC although this time the voltage is low, but the 12 volt inverter is very high, the purpose is to allow the class to generate a high voltage transformer , the front stage voltage output proportional to the frequency and the level , of course, but also in power tube can withstand the frequency range ) , high-frequency alternating current through the high-frequency transformer output then after fast recovery diode full bridge rectifier outputs a high frequency of several hundred V DC to after class power management, control signal and then generates about 50HZ to control the level of work and output AC power tubeOff grid inverter by stage IC.
Of course, a complete inverter also needs some protection circuitry, such as low input voltage overload protection temperature protection and filter circuit, a high frequency filter circuit in quite important and should be easy to produce some high frequency interference and parasitic coupling , it is necessary a filter circuit to filter out the effects of these factors to increase the stability of the circuit.