Minimum Efficiency Values for Dry-Type Transformers

Designation Number:
C802.2
Standard Type:
National Standard of Canada - Domestic
Standard Development Activity:
New Edition
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

This Standard specifies efficiency values for dry-type transformers and covers single-phase and three-phase self-contained units or components of larger assemblies, 60 Hz, ANN, rated 15 to 833 kVA for single phase and 15 to 7500 kVA for three phase. This Standard describes the special features that influence efficiency.

Project need:

To harmonize the minimum efficiency values with the U.S. DoE and include the NEMA TP-1 standard now that it has been withdrawn by NEMA

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