Commonwealth Associates, Inc.
11.1 Reasons for Substation Grounding System
11.2 Accidental Ground Circuit
Conditions • Permissible Body Current Limits • Importance of High-Speed Fault Clearing • Tolerable Voltages
Actual Touch and Step Voltages • Soil Resistivity • Grid Resistance • Grid Current • Use of the Design Equations • Selection of Conductors • Selection of Connections • Grounding of Substation Fence • Other Design Considerations
11.1 Reasons for Substation Grounding System
The substation grounding system is an essential part of the overall electrical system. The proper grounding of a substation is important for the following two reasons:
1. It provides a means of dissipating ...
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