ground return circuit 地回路 ; 接地回路 ; 地回电路
ground-return system 大地回路制
ground-return current 大地返回电流
ground return clutter 地面反射杂波
short ground return 短线接地
ground return impedance 地下回流阻抗
ground return coupling 大地回路耦合
monopole ground return 单极大地回路
ground-return link 大地回流环路
To compensate for the waveform's dc-offset voltage, an amplifier buffers the 2.6V internal analog-ground reference and drives an output pin that serves as the LVDT's analog-ground return.
为补偿波形直流偏置电压，放大器对2.6V内部模拟地基准进行缓冲，并驱动用作LVDT模拟地回路的输出管脚。
When a HVDC system operates in ground-return mode, some problems such as noise rising significantly, overheating etc. occur in AC transformers, or even some transformers would be damaged.
HVDC系统以大地回路方式单极运行时，其大地回路直流会给交流变压器带来一些问题，例如，变压器噪音明显增大，过热现象，甚至引起变压器损坏。
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