Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). The ground resistance between all system parts shall. Most North American distribution systems have a neutral that acts as a return conductor and as an equipment safety ground. It is recommended to ground the neutral at various strategic locations in distribution substations, overhead lines and underground cables, distribution transformers, and all. The drive system in this manual consists of the supply transformer, input power cable of the drive, the variable speed drive (frequency converter), motor cable and motor. This manual is intended for people who are involved in variable speed drive system installations and assembly. The purpose of. Power from factory ground must be installed by a qualified electrician. Each DISTRIBUTION BOX and controller must be grounded. This position is the connection point of the grounding wire in the. For systems with 110kV and above, where the neutral point is effectively grounded, the metal sheath of single-core cables should be directly connected to the substation grounding device through a grounding switch.
