The monopolar ground circuit operation mode of DC transmission system gives rise to excessive vibration and noise of some transformers in the power grid, which impacts the safety of equipment.
直流输电系统单极大地回路运行方式导致电网部分变压器振动加剧，噪声增大，影响了设备安全。
For the parallel inverter system without output isolation transformers, the difference of DC components of the output voltage can cause large DC loop-current among modular inverters.
对于无输出隔离变压器的逆变器并联系统，各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
For a parallel inverter system without output isolating transformers, discrepancy in DC biases contained in the output voltage of each module can cause large DC circulating current among inverters.
对于无输出隔离变压器的逆变器并联系统，各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
DC biasing can cause transformers noise increasing, vibration intensified, local overheating and even damaged.
直流偏磁会导致变压器噪音增大、振动加剧，可能引起变压器局部过热甚至损坏。
A new method is introduced for modeling PWM DC-DC converter with multi-switches and transformers, which operate in continuous conduction mode, including parasitic components.
介绍一种带变压隔离器、含多个功率开关器件的PWM变换器工作在连续状态的建模方法。
A new method is introduced for modeling PWM DC-DC converter with multi-switches and transformers, which operate in continuous conduction mode, including parasitic components.
介绍一种带变压隔离器、含多个功率开关器件的PWM变换器工作在连续状态的建模方法。
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