Experiments show that the designed DC DC convertor's output voltage precision is high, the antijamming ability is strong and the adjustable performance is fast and smooth.

实验结果表明，用这种方法所研制的电动汽车DC DC变换器输出电压精度高，抗干扰能力强，调节特性快速、平稳。

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With the digital PI modulation the output voltage of the power supply is very precision and stabilization.

采用数字PI调节，提高了稳态时输出电压的精度和稳定性。

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Theory analysis proves that the output impedance of parallel system is reduced and the precision of output voltage is improved.

理论分析证明并联系统的输出阻抗减小，输出电压精度提高。

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