Secondary inversion parallel main circuit
A secondary inverter, inverter circuit technology, applied in electrical components, high-efficiency power electronic conversion, conversion of AC power input to AC power output, etc., can solve the problem of uneven current flow between two IGBTs, high heat dissipation conditions, and poor reliability. and other problems, to achieve the effect of reducing weight and volume, solving the problem of current sharing, and ensuring reliability
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[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0031] refer to Figure 4 , is a secondary inverter parallel main circuit disclosed in the present invention, including a main transformer T1, the main transformer T1 includes a first side winding and a second side winding, and the first side winding is connected to the first and second side windings. Secondary inverter circuit, the second secondary side winding is connected to the second secondary inverter circuit, the center tap of the first side winding and the center tap of the second secondary side winding are interleaved through the magnetic ring L2 and then connected as The output negative terminal of the secondary inverter parallel main circuit, the output terminal of the first secondary inverter circuit is connected to the output terminal of the second secondary inverter circuit and serves as the secondary inverter parallel main circuit output AC te...
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