Grounding Study & AC Mitigation Analysis

Client: Electrical Studies

115–230 kV CDEGS Grounding AC Mitigation Field Testing

Project Overview

Conducted AC mitigation and electrical grounding analysis for a transmission corridor where a new generation facility impacted multiple high-voltage overhead lines.

Scope included:
- Development of field testing specifications for soil resistivity and structure impedance
- Field support during testing campaigns
- CDEGS software modeling and analysis
- Identification of induced voltage and fault current hazards
- Remediation plan development
- Construction support for grounding system installation
- Coordination across multiple 230 kV and 115 kV circuits in a shared corridor

The analysis addressed safety and reliability concerns created by electromagnetic interference between new generation facilities and existing overhead transmission infrastructure.

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