U.S. Department of Energy

Stories about U.S. Department of Energy (22)

• 

  Three-Phase Load Imbalance Wastes Up to 5% of Industrial Energy

  June 1, 2023 · Analysis

  4 sources Browser Check NEMA standards show 1% voltage unbalance causes 6-10% current imbalance. A 5 MW facility with 3% unbalance wastes $87,600-$219,000 annually.

• 

  2% Voltage Unbalance Cuts Industrial Motor Life in Half

  January 1, 2023 · Analysis

  4 sources Browser Check A 2% voltage unbalance raises motor winding temperature by more than 10 degrees C and cuts equipment service life nearly in half, requiring motor derating per…