中性度滤光片
ND (Nneutral-density) filter
中性点注入信号
neutral point injected signal
中性点直接接地系统
neutral grounded system
solidly earthed neutral system
中性点直接接地
neutral point solid ground
中性点运行方式
run manner of neutral point
neutral point operation method
中性点永久接地制
solidly grounded neutral system
中性点引出方式
neutral lead mode
drawing-off way from neutral point
Leading-out Mode of Neutral Points
中性点虚接
neutral point virtual connection
中性点新型运行方式
neutral point operation method
中性点小电阻接地
neutral grounding by small resistance
中性点小电抗
neutral grounding reactor
small reactor on neutral point
neutral reactor
中性点位移轨迹
earthing auto transformer moving drbit