Protection relays can correctly operate when neutralpoints directly connected.
而当中性点直接相连时，保护装置能够正确动作。
2
No direct connection from either transformer neutralpoints or generator star points to earth is permitted.
禁止任一变压器中性点或发电机始点处直接接地。
3
In selection of neutralpoints, a concrete analysis of concrete problems should be made. The same operational manners has different forms in different voltage degrees and electric power system wiring.