inverter 3kw pure sine wave

      An intelligent inverter with small and medium power. It consists of a single-chip microcontroller, a DC voltage inverter circuit, a DC high-voltage limit detection circuit, an input under-voltage overvoltage and DC high-voltage detection circuit, an AC voltage output circuit, etc. #3kw solar panel inverter    One IO port drives the two-color status indicator light through the indicator light drive circuit; one IO port drives the buzzer through the buzzer drive circuit; #pure sine wave inverter     the short circuit protection detection circuit and the overload protection detection circuit include Zener diodes, resistors, capacitors, potentiometers and comparator. #PowerInverter# The feedforward and feedback control technology and power electronics technology in automatic control are applied to the design of small and medium power inverters to provide an intelligent inverter with reliable performance and convenient manufacturing.

When light falls on a solar cell, electrons in the absorber layer are excited from a lower-energy “ground state,” in which they are bound to specific atoms in the solid, to a higher “excited state,” in which they can move through the solid. In the absence of the junction-forming layers, these “free” electrons are in random motion, and so there can be no oriented direct current. 

The addition of junction-forming layers, however, induces a built-in electric field that produces the photovoltaic effect. In effect, the electric field gives a collective motion to the electrons that flow past the electrical contact layers into an external circuit where they can do useful work.

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