Arc Flash Analysis

  • Electrical system information gathering model development for industrial and large commercial facilities, and utility substations.
  • System analysis including short-circuit fault calculation, equipment duty evaluation, protective coordination, and arc-flash hazard analysis according to IEEE Std. 1582, NESC (or IEEE C2), NFPA 70E, and other applicable standards. 
  • PE stamped report and equipment arc-flash labeling.
  • Certified NFPA 70E Training (4 CEU)

Utility Electrical System Modeling and Analysis

  • Model the electrical network as a detailed and GIS-based model.
  • Short-term and long-term planning studies from the aspects of power flow analysis due to load growth and switching, short-circuit fault analysis, protective device coordination, etc., based on which develop capital improvement plans.
  • Fault locate, optimal capacitor placement, voltage regulator analysis, etc. 

Generation Interconnection Analysis

  • Small and large generation in either conventional or renewable energy, and smart grid
  • File interconnection applications
  • Generation system and protection design
  • Prepare necessary technical data, drawings, and models in both steady-state and dynamic formats.

NERC Protection and Control (PRC) Compliance Analysis

Stoddard Power Systems provides technical and engineering compliance analysis for a variety of PRC standards:

  • PRC-001              System Protection Coordination
  • PRC-002              Disturbance Monitoring and Reporting
  • PRC-019              Coordination of Generating Unit or Plant Capabilities, Voltage Regulating Controls, & Protection
  • PRC-023              Transmission Relay Loadability
  • PRC-024              Generator Frequency and Voltage Protective Relay Settings
  • PRC-025              Generator Relay Loadability
  • PRC-026              Relay Performance During Stable Power Swings
  • PRC-027              Coordination of Protection Systems for Performance During Faults

Power System Transient Analysis

  • Dynamic Voltage Ride-Through Assessment
  • Large motor starting
  • Motor fast bus transfer
  • System stability

Insulation Coordination Study

Select the most cost-effective equipment with proper dielectric strength in specific applications to avoid equipment insulation damage according to IEEE Std C62.22.

Capacity and Power Quality Analysis

Analyze service/feeder capacities and power quality issues such as power interruptions, voltage transients, voltage sags or surges, harmonic distortion, frequency distortion, etc. using high-resolution data recorders.