The proposal for installing failure excitation circuit is given guarantee safe operation.

为确保机车安全可靠地运行,提出了加装故障励磁电路的建议.

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The paper introduces the principle of reverse excitation circuit applied for switching power supply.

该电源主电路采用反激式电路,应用反馈手段和脉冲调制技术实现多路电压的稳定输出.

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With initial excitation circuit, avoid the welder occurring the phenomenon of losing magnetic.

设有初始励磁电路, 避免了焊机丢磁现象的发生.

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