介绍了在母线不停电情况下，利用负荷电流模拟母线故障检查保护回路存在的问题。

Here introducing the way that when the bus energral to use the load current to simulate the busbar fault so as to check the problem of circuit and to correct and solve it.

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根据涡流场计算结果并结合振动噪音分析，提出了改善母线桥工作噪音的措施，并对各项措施进行了数值模拟和实验研究。

After that, the improvement methods are proposed to reduce the noise, and the numerical simulations and experiments are performed to study every improvement method.

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为了维持直流母线的电压稳定，还设计了稳压调节器，并对太阳电池模拟器进行单支路和阵列实验来测试其直流母线特性。

The shunt switching unit was designed to maintain the stability of DC bus and test the performance of DC bus of the solar array simulator.

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