About this document
Motor Warranty and Voltage Unbalance Issues by rt1973 is a document available to read on EtoBox.
The document discusses differences between motor manufacturer warranty requirements and NEMA standards regarding voltage unbalance, with some manufacturers requiring less than 5% current unbalance for warranty compared to NEMA stating 1% voltage unbalance can cause 6-10% current unbalance. This causes confusion between utilities, manufacturers, and end-users, so thorough assessments of each location
- Author
- rt1973
- Language
- EN