PRIOR TO SHIPMENT, HIGHLY TRAINED FACTORY EXPERTS USING ACCURATE STATE-OF-THE-ART EQUIPMENT CONDUCT TESTING ON ALL SEC TRANSFORMERS IN ACCORDANCE WITH THE LATEST IEC, ANSI, IEEE AND/OR NEMA STANDARDS.

ROUTINE TESTS PERFORMED ON ALL TRANSFORMERS:

1. RATIO AND POLARITY
2. POLARITY AND VECTOR GROUP TEST
3. WINDING RESISTANCE
4. NO-LOAD LOSS AND EXCITATION CURRENT
5. LOAD LOSS AND IMPEDANCE
6. INDUCED POTENTIAL TEST
7. APPLIED POTENTIAL TEST
8. OIL LEAK TEST
9. OIL DIELECTRIC STRENG

A NUMBER OF OPTIONAL/SPECIAL TESTS MAY BE PERFORMED WHEN REQUESTED BY THE CUSTOMER, AT AN ADDITIONAL COST. THESE MAY INCLUDE (BUT ARE NOT LIMITED TO) THE FOLLOWING:

1. TEMPERATURE RISE
2. TIME CONSTANT TEMPERATURE RISE
3. OVERLOAD HEAT TEMPERATURE RISE
4. SWITCHING SURGE IMPULSE
5. SOUND LEVEL
6. ZERO SEQUENCE IMPEDANCE
7. FREQUENCY RESPONSE ANALYSIS
8. SHORT-CIRCUIT TEST SEC MAINTAINS PERMANENT RECORDS OF ALL TEST RESULTS, AND CERTIFIED TEST REPORTS ARE PROVIDED TO THE CUSTOMER.