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Case Study: Electric Tankless Water Heaters and Power Quality

Category: PMI Products, Case Studies, Eagle

Case Study: Electric Tankless Water Heaters and PQCase-Study-Electric-Tankless-Water-Heaters-and-PQ

Check out this case study on electric tankless water heaters including data from initial recordings, a solution to the PQ problem and measurements post-solution.

 

In this case study, an investor-owned utility responded to a residential customer complaint.

 

The root cause was a newly installed electric tankless water heater, requiring a transformer upgrade beyond the standard size.

 

This case study includes data from the initial power quality recording, the solution that was formulated by the utility using system modeling, and measurements taken after the solution was implemented.

 

The utility’s customer guidelines were modified to account for the severe loading presented by electric tankless water heaters.

 

This White Paper Includes:

  • The Case Study
  • Observations & Recommendations
  • Follow-Up Data
  • Results & Observations
  • Path Forward
  • Transformer Sizing Comparison

Download White Paper Here