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本文就并联逆变电路中换向电感上的实测电压波形进行初步分析,并用以估算换向电感所对应的测试条件;依据该条件在不同铁氧体芯截面、匝数和导线参数下进行测试,找出与空心电感等效并使逆变器正常工作的参数。经实际使用,所选择的铁氧体芯电感效果比空心电感为佳。
This paper analyzes the measured voltage waveform of the commutation inductance in the parallel inverter circuit and estimates the test conditions corresponding to the commutation inductance. Based on this condition, the test is conducted under different ferrite core cross sections, turns and wire parameters , Find the parameters that are equivalent to the hollow inductor and make the inverter work normally. The actual use of the ferrite core inductor effect than the hollow inductor is better.