Table of Contents Topic
Page
Wasion Americas, Inc. Overview
6 7 8 9
Single-Phase Pole-Mounted Transformer Single-Phase Pad-Mounted Transformer Three-Phase Pad-Mounted Transformers Transformer Reference Information Transformer Basic Operating Principles Transformer Nameplate Explained 1. Maximum Winding Temperature Above Ambient at Rated Load 3. High and Low Voltage Basic Insulation Level (BIL) Ratings 4. Transformer Winding Relationship 5. Secondary Voltage and Current Ratings 6. Primary Winding Tap Information 7. Percent Impedance at 85° C With Base kVA and Voltage 8. Primary and Secondary Voltage Ratings 2. Oil Type
10 11 13 14 15 16 18 20 22 23 24 25 29 31 32 34 36
9. Full Rated Load 10. Cooling Type
More “Good to Know” Transformer Information and Calculations
A. Polarity
B. Polarity Testing C. Altitude Derating
Page 4
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